./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0683b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0683b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm --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 6672481a7838a56be1f1fe8bf2e494e3680a5c6a5ddaa173ab670073cd565312 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:49:14,036 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:49:14,095 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:49:14,100 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:49:14,100 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:49:14,145 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:49:14,149 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:49:14,149 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:49:14,150 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:49:14,150 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:49:14,150 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:49:14,150 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:49:14,150 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:49:14,150 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:49:14,150 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:49:14,150 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:49:14,150 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:49:14,150 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:49:14,151 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:49:14,151 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:49:14,151 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:49:14,151 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:49:14,151 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:49:14,151 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:49:14,151 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:49:14,151 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:49:14,151 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:49:14,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:49:14,152 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:49:14,152 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:49:14,152 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:49:14,152 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:49:14,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:49:14,152 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm 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 -> 6672481a7838a56be1f1fe8bf2e494e3680a5c6a5ddaa173ab670073cd565312 [2024-11-13 22:49:14,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:49:14,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:49:14,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:49:14,500 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:49:14,501 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:49:14,502 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-newlib/float_req_bl_0683b.c Unable to find full path for "g++" [2024-11-13 22:49:16,370 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:49:16,672 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:49:16,673 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/sv-benchmarks/c/float-newlib/float_req_bl_0683b.c [2024-11-13 22:49:16,683 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/data/d776f9bfa/e98b19df5f8c4f47a370ef6b502dc322/FLAG6d8a71a20 [2024-11-13 22:49:16,953 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/data/d776f9bfa/e98b19df5f8c4f47a370ef6b502dc322 [2024-11-13 22:49:16,956 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:49:16,958 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:49:16,960 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:49:16,961 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:49:16,966 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:49:16,967 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:49:16" (1/1) ... [2024-11-13 22:49:16,970 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e2ea26c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:16, skipping insertion in model container [2024-11-13 22:49:16,970 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:49:16" (1/1) ... [2024-11-13 22:49:17,003 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:49:17,317 WARN L250 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_8937b536-a6fd-4867-a587-51a703c2f159/sv-benchmarks/c/float-newlib/float_req_bl_0683b.c[5824,5837] [2024-11-13 22:49:17,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:49:17,344 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:49:17,416 WARN L250 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_8937b536-a6fd-4867-a587-51a703c2f159/sv-benchmarks/c/float-newlib/float_req_bl_0683b.c[5824,5837] [2024-11-13 22:49:17,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:49:17,454 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:49:17,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:17 WrapperNode [2024-11-13 22:49:17,455 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:49:17,456 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:49:17,457 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:49:17,457 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:49:17,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:17" (1/1) ... [2024-11-13 22:49:17,481 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:17" (1/1) ... [2024-11-13 22:49:17,533 INFO L138 Inliner]: procedures = 22, calls = 89, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 275 [2024-11-13 22:49:17,536 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:49:17,537 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:49:17,537 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:49:17,537 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:49:17,548 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:17" (1/1) ... [2024-11-13 22:49:17,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:17" (1/1) ... [2024-11-13 22:49:17,559 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:17" (1/1) ... [2024-11-13 22:49:17,559 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:17" (1/1) ... [2024-11-13 22:49:17,571 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:17" (1/1) ... [2024-11-13 22:49:17,576 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:17" (1/1) ... [2024-11-13 22:49:17,579 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:17" (1/1) ... [2024-11-13 22:49:17,580 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:17" (1/1) ... [2024-11-13 22:49:17,584 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:49:17,585 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:49:17,585 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:49:17,585 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:49:17,586 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:17" (1/1) ... [2024-11-13 22:49:17,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:49:17,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:49:17,625 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:49:17,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:49:17,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:49:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:49:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-13 22:49:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:49:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-13 22:49:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 22:49:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-13 22:49:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2024-11-13 22:49:17,662 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2024-11-13 22:49:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:49:17,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:49:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 22:49:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-13 22:49:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2024-11-13 22:49:17,662 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2024-11-13 22:49:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:49:17,801 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:49:17,803 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:49:18,406 INFO L? ?]: Removed 74 outVars from TransFormulas that were not future-live. [2024-11-13 22:49:18,406 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:49:18,578 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:49:18,581 INFO L316 CfgBuilder]: Removed 18 assume(true) statements. [2024-11-13 22:49:18,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:49:18 BoogieIcfgContainer [2024-11-13 22:49:18,581 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:49:18,582 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:49:18,583 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:49:18,593 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:49:18,594 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:49:18" (1/1) ... [2024-11-13 22:49:18,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:49:18,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:18,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 76 states and 124 transitions. [2024-11-13 22:49:18,672 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 124 transitions. [2024-11-13 22:49:18,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:49:18,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:18,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:18,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:18,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:49:19,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:19,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 76 states and 117 transitions. [2024-11-13 22:49:19,007 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 117 transitions. [2024-11-13 22:49:19,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:49:19,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:19,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:19,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:49:19,150 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:49:19,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:49:19,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:49:19,556 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:49:19,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:49:19,757 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 22:49:19,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:49:19 ImpRootNode [2024-11-13 22:49:19,810 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:49:19,811 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:49:19,811 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:49:19,811 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:49:19,814 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:49:18" (3/4) ... [2024-11-13 22:49:19,817 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:49:19,819 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:49:19,820 INFO L158 Benchmark]: Toolchain (without parser) took 2861.71ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 83.8MB in the end (delta: 8.8MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2024-11-13 22:49:19,823 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:49:19,823 INFO L158 Benchmark]: CACSL2BoogieTranslator took 496.08ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 77.5MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:49:19,824 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.15ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 75.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:49:19,824 INFO L158 Benchmark]: Boogie Preprocessor took 46.85ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 73.1MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:49:19,824 INFO L158 Benchmark]: RCFGBuilder took 996.96ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 86.3MB in the end (delta: -13.2MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2024-11-13 22:49:19,825 INFO L158 Benchmark]: CodeCheck took 1227.92ms. Allocated memory is still 117.4MB. Free memory was 86.3MB in the beginning and 84.5MB in the end (delta: 1.8MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. [2024-11-13 22:49:19,825 INFO L158 Benchmark]: Witness Printer took 7.89ms. Allocated memory is still 117.4MB. Free memory was 84.5MB in the beginning and 83.8MB in the end (delta: 762.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:49:19,828 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 58 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 34 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 120 GetRequests, 120 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, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 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: 257]: 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 251, overapproximation of someBinaryFLOATComparisonOperation at line 256, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of someBinaryArithmeticFLOAToperation at line 248, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; [L248] float x = 1.0f / 0.0f; [L249] float y = __VERIFIER_nondet_float(); [L251] CALL, EXPR isfinite_float(y) [L231] __int32_t ix; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=8, zero_atan2=0] [L233] ieee_float_shape_type gf_u; [L234] gf_u.value = (x) [L235] EXPR gf_u.word [L235] (ix) = gf_u.word [L237] ix &= 0x7fffffff [L238] return (((ix) < 0x7f800000L)); [L251] RET, EXPR isfinite_float(y) [L251] COND TRUE isfinite_float(y) && y > 0.0f [L253] CALL, EXPR __ieee754_atan2f(y, x) [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=7, y=8, zero_atan2=0] [L125] ieee_float_shape_type gf_u; [L126] gf_u.value = (x) [L127] EXPR gf_u.word [L127] (hx) = gf_u.word [L129] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2139095041, ix=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=7, y=8, zero_atan2=0] [L131] ieee_float_shape_type gf_u; [L132] gf_u.value = (y) [L133] EXPR gf_u.word [L133] (hy) = gf_u.word [L135] iy = hy & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2139095041, hy=0, ix=2139095041, iy=0, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=7, y=8, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2139095041, hy=0, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=7, y=8, zero_atan2=0] [L253] RET, EXPR __ieee754_atan2f(y, x) [L253] float res = __ieee754_atan2f(y, x); [L256] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=9, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L256] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L257] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=9, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 496.08ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 77.5MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.15ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 75.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.85ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 73.1MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 996.96ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 86.3MB in the end (delta: -13.2MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. * CodeCheck took 1227.92ms. Allocated memory is still 117.4MB. Free memory was 86.3MB in the beginning and 84.5MB in the end (delta: 1.8MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. * Witness Printer took 7.89ms. Allocated memory is still 117.4MB. Free memory was 84.5MB in the beginning and 83.8MB in the end (delta: 762.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:49:19,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0683b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm --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 6672481a7838a56be1f1fe8bf2e494e3680a5c6a5ddaa173ab670073cd565312 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:49:22,631 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:49:22,768 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 22:49:22,817 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:49:22,818 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:49:22,818 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:49:22,819 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:49:22,819 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:49:22,819 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:49:22,821 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:49:22,822 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:49:22,822 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:49:22,822 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:49:22,822 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:49:22,823 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:49:22,823 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:49:22,823 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:49:22,823 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:49:22,823 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:49:22,823 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:49:22,824 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:49:22,824 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:49:22,824 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:49:22,824 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:49:22,824 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:49:22,824 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:49:22,824 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:49:22,824 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:49:22,824 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:49:22,824 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:49:22,825 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:49:22,825 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:49:22,825 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:49:22,825 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:49:22,826 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:49:22,826 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:49:22,826 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm 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 -> 6672481a7838a56be1f1fe8bf2e494e3680a5c6a5ddaa173ab670073cd565312 [2024-11-13 22:49:23,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:49:23,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:49:23,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:49:23,178 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:49:23,179 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:49:23,180 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-newlib/float_req_bl_0683b.c Unable to find full path for "g++" [2024-11-13 22:49:25,144 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:49:25,465 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:49:25,466 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/sv-benchmarks/c/float-newlib/float_req_bl_0683b.c [2024-11-13 22:49:25,483 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/data/f5e068cf4/32ac3a99c98440698fcc4765405d6f16/FLAG9b40cd7a8 [2024-11-13 22:49:25,512 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/data/f5e068cf4/32ac3a99c98440698fcc4765405d6f16 [2024-11-13 22:49:25,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:49:25,520 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:49:25,521 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:49:25,521 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:49:25,528 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:49:25,529 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:49:25" (1/1) ... [2024-11-13 22:49:25,532 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dabdc0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:25, skipping insertion in model container [2024-11-13 22:49:25,532 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:49:25" (1/1) ... [2024-11-13 22:49:25,560 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:49:25,883 WARN L250 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_8937b536-a6fd-4867-a587-51a703c2f159/sv-benchmarks/c/float-newlib/float_req_bl_0683b.c[5824,5837] [2024-11-13 22:49:25,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:49:25,920 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:49:26,021 WARN L250 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_8937b536-a6fd-4867-a587-51a703c2f159/sv-benchmarks/c/float-newlib/float_req_bl_0683b.c[5824,5837] [2024-11-13 22:49:26,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:49:26,052 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:49:26,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:26 WrapperNode [2024-11-13 22:49:26,053 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:49:26,054 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:49:26,054 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:49:26,054 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:49:26,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:26" (1/1) ... [2024-11-13 22:49:26,088 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:26" (1/1) ... [2024-11-13 22:49:26,136 INFO L138 Inliner]: procedures = 25, calls = 89, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 258 [2024-11-13 22:49:26,136 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:49:26,137 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:49:26,137 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:49:26,137 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:49:26,148 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:26" (1/1) ... [2024-11-13 22:49:26,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:26" (1/1) ... [2024-11-13 22:49:26,161 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:26" (1/1) ... [2024-11-13 22:49:26,161 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:26" (1/1) ... [2024-11-13 22:49:26,198 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:26" (1/1) ... [2024-11-13 22:49:26,212 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:26" (1/1) ... [2024-11-13 22:49:26,218 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:26" (1/1) ... [2024-11-13 22:49:26,223 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:26" (1/1) ... [2024-11-13 22:49:26,232 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:49:26,233 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:49:26,233 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:49:26,233 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:49:26,237 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:26" (1/1) ... [2024-11-13 22:49:26,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:49:26,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:49:26,282 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:49:26,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:49:26,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:49:26,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-11-13 22:49:26,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:49:26,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:49:26,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-13 22:49:26,325 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2024-11-13 22:49:26,325 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2024-11-13 22:49:26,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 22:49:26,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-11-13 22:49:26,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:49:26,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:49:26,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-13 22:49:26,326 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2024-11-13 22:49:26,326 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2024-11-13 22:49:26,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 22:49:26,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:49:26,524 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:49:26,527 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:49:57,290 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-13 22:49:57,290 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:49:57,430 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:49:57,430 INFO L316 CfgBuilder]: Removed 18 assume(true) statements. [2024-11-13 22:49:57,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:49:57 BoogieIcfgContainer [2024-11-13 22:49:57,432 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:49:57,433 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:49:57,433 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:49:57,443 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:49:57,443 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:49:57" (1/1) ... [2024-11-13 22:49:57,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:49:57,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:57,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 76 states and 124 transitions. [2024-11-13 22:49:57,512 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 124 transitions. [2024-11-13 22:49:57,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:49:57,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:57,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:49:57,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:49:57,518 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:49:57,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:49:58,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:58,704 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:49:58,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:58,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 22:49:58,832 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:49:58,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:49:58,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:49:59,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:59,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 76 states and 117 transitions. [2024-11-13 22:49:59,370 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 117 transitions. [2024-11-13 22:49:59,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:49:59,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:59,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:49:59,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:49:59,375 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:49:59,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:50:02,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:02,547 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:50:02,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:02,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 22:50:02,707 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:50:03,179 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 [2024-11-13 22:50:04,138 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-13 22:50:04,138 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 31 [2024-11-13 22:50:04,252 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 22:50:04,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 28 [2024-11-13 22:50:05,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:50:05,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 22:50:07,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:50:07,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 76 states and 116 transitions. [2024-11-13 22:50:07,810 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 116 transitions. [2024-11-13 22:50:07,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:50:07,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:50:07,815 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:50:07,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:50:07,817 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:50:07,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 22:50:11,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:11,068 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:50:11,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:11,193 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:50:11,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:50:11,627 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 [2024-11-13 22:50:11,652 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 29 treesize of output 13 [2024-11-13 22:50:12,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:50:12,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-13 22:50:13,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:50:13,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 73 states and 109 transitions. [2024-11-13 22:50:13,706 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 109 transitions. [2024-11-13 22:50:13,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:50:13,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:50:13,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:50:13,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:50:13,711 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:50:13,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 22:50:16,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:16,415 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:50:16,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:16,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 22:50:16,535 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:50:17,100 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 22:50:17,102 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2024-11-13 22:50:18,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:50:18,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-13 22:50:21,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:50:21,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 73 states and 108 transitions. [2024-11-13 22:50:21,388 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2024-11-13 22:50:21,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 22:50:21,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:50:21,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:50:21,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:50:21,392 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:50:21,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 22:50:24,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:24,084 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:50:24,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:24,182 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:50:24,184 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:50:24,337 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 [2024-11-13 22:50:24,376 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2024-11-13 22:50:24,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:50:24,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 22:50:25,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:50:25,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 73 states and 107 transitions. [2024-11-13 22:50:25,152 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 107 transitions. [2024-11-13 22:50:25,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 22:50:25,153 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:50:25,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:50:25,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:50:25,156 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:50:25,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 22:50:28,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:28,248 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:50:28,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:28,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 22:50:28,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:50:30,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:50:30,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 22:50:56,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:51:01,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:51:04,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.17s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:51:07,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:51:09,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:51:11,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:51:11,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 75 states and 121 transitions. [2024-11-13 22:51:11,429 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 121 transitions. [2024-11-13 22:51:11,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 22:51:11,429 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:51:11,430 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:51:11,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:51:11,433 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:51:11,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 22:51:14,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:51:14,857 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:51:14,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:51:14,973 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 22:51:14,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:51:16,016 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 [2024-11-13 22:51:16,048 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 29 treesize of output 13 [2024-11-13 22:51:20,003 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 22:51:20,004 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2024-11-13 22:51:24,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:51:24,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-13 22:52:33,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:52:52,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:52:52,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 71 states and 108 transitions. [2024-11-13 22:52:52,338 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 108 transitions. [2024-11-13 22:52:52,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 22:52:52,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:52:52,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:52:52,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:52:52,346 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:52:52,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 22:52:55,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:52:55,276 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:52:55,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:52:55,358 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 22:52:55,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:52:57,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:52:57,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 22:53:11,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:53:15,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:53:16,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:53:17,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:53:17,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 72 states and 114 transitions. [2024-11-13 22:53:17,669 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 114 transitions. [2024-11-13 22:53:17,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 22:53:17,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:53:17,671 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:53:17,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:53:17,674 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:53:17,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 22:53:18,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:53:18,931 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:53:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:53:19,013 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 22:53:19,014 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:53:19,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:53:19,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 22:53:29,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 22:53:29,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:53:29,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 72 states and 112 transitions. [2024-11-13 22:53:29,743 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 112 transitions. [2024-11-13 22:53:29,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:53:29,744 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:53:29,744 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:53:29,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:53:29,749 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:53:29,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 22:53:31,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:53:31,001 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:53:31,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:53:31,105 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 22:53:31,106 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:53:31,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:53:31,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 22:53:31,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:53:31,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 72 states and 110 transitions. [2024-11-13 22:53:31,140 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 110 transitions. [2024-11-13 22:53:31,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:53:31,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:53:31,142 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:53:31,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:53:31,144 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:53:31,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 22:53:33,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:53:33,807 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:53:33,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:53:33,927 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 22:53:33,929 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:53:34,109 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 [2024-11-13 22:53:34,133 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2024-11-13 22:54:17,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:54:17,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-13 22:55:13,295 WARN L286 SmtUtils]: Spent 20.43s on a formula simplification. DAG size of input: 69 DAG size of output: 59 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:55:56,355 WARN L286 SmtUtils]: Spent 10.22s on a formula simplification that was a NOOP. DAG size: 60 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:56:24,778 WARN L286 SmtUtils]: Spent 20.33s on a formula simplification. DAG size of input: 58 DAG size of output: 56 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:56:52,490 WARN L286 SmtUtils]: Spent 10.22s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:57:48,445 WARN L286 SmtUtils]: Spent 10.19s on a formula simplification that was a NOOP. DAG size: 53 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:59:18,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:59:18,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:59:18,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 70 states and 101 transitions. [2024-11-13 22:59:18,235 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 101 transitions. [2024-11-13 22:59:18,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 22:59:18,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:59:18,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:59:18,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:59:18,238 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:59:18,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 22:59:20,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:20,754 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:59:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:20,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 22:59:20,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:59:31,009 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 [2024-11-13 22:59:31,032 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 31 treesize of output 15 [2024-11-13 22:59:35,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:59:35,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 23:00:07,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:00:07,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 75 states and 106 transitions. [2024-11-13 23:00:07,165 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2024-11-13 23:00:07,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:00:07,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:00:07,166 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:00:07,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:00:07,171 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:00:07,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 23:00:09,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:00:09,822 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:00:09,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:00:09,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 23:00:09,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:00:10,110 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 [2024-11-13 23:00:10,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2024-11-13 23:00:11,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:00:11,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-13 23:01:04,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:01:04,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:01:04,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 75 states and 103 transitions. [2024-11-13 23:01:04,322 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 103 transitions. [2024-11-13 23:01:04,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 23:01:04,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:01:04,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:01:04,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:01:04,324 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:01:04,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 23:01:07,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:01:07,492 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:01:07,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:01:07,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:01:07,614 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:01:07,731 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:01:07,731 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-13 23:01:22,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:01:22,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8937b536-a6fd-4867-a587-51a703c2f159/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-13 23:01:59,542 WARN L286 SmtUtils]: Spent 10.32s on a formula simplification that was a NOOP. DAG size: 62 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:02:20,040 WARN L286 SmtUtils]: Spent 10.32s on a formula simplification that was a NOOP. DAG size: 63 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:04:00,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]