./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1210.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_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/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_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1210.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/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_4d02db87-7860-413b-ae7e-dd8752ff5fb9/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 ec4125207afaf1b514f6960540fbcd04b5d06d11b290a09d0632548b03e12b1f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:47:11,164 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:47:11,254 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:47:11,260 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:47:11,262 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:47:11,295 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:47:11,297 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:47:11,297 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:47:11,297 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:47:11,298 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:47:11,299 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:47:11,299 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:47:11,299 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:47:11,300 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:47:11,300 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:47:11,300 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:47:11,300 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:47:11,300 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:47:11,300 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:47:11,300 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:47:11,300 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:47:11,300 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:47:11,300 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:47:11,300 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:47:11,300 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:47:11,301 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:47:11,301 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:47:11,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:47:11,301 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:47:11,301 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:47:11,301 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:47:11,301 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:47:11,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:47:11,301 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_4d02db87-7860-413b-ae7e-dd8752ff5fb9/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 -> ec4125207afaf1b514f6960540fbcd04b5d06d11b290a09d0632548b03e12b1f [2024-11-13 22:47:11,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:47:11,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:47:11,622 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:47:11,623 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:47:11,624 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:47:11,626 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-newlib/double_req_bl_1210.c Unable to find full path for "g++" [2024-11-13 22:47:13,560 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:47:13,850 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:47:13,851 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/sv-benchmarks/c/float-newlib/double_req_bl_1210.c [2024-11-13 22:47:13,864 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/data/7e0c3b22f/a4589eb957ed407c9d378150ecca770e/FLAG21f2ee3fa [2024-11-13 22:47:14,133 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/data/7e0c3b22f/a4589eb957ed407c9d378150ecca770e [2024-11-13 22:47:14,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:47:14,137 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:47:14,139 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:47:14,140 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:47:14,144 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:47:14,145 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:47:14" (1/1) ... [2024-11-13 22:47:14,147 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eeec401 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:14, skipping insertion in model container [2024-11-13 22:47:14,147 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:47:14" (1/1) ... [2024-11-13 22:47:14,170 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:47:14,357 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_4d02db87-7860-413b-ae7e-dd8752ff5fb9/sv-benchmarks/c/float-newlib/double_req_bl_1210.c[3091,3104] [2024-11-13 22:47:14,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:47:14,369 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:47:14,409 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_4d02db87-7860-413b-ae7e-dd8752ff5fb9/sv-benchmarks/c/float-newlib/double_req_bl_1210.c[3091,3104] [2024-11-13 22:47:14,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:47:14,429 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:47:14,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:14 WrapperNode [2024-11-13 22:47:14,430 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:47:14,431 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:47:14,431 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:47:14,431 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:47:14,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:14" (1/1) ... [2024-11-13 22:47:14,451 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:14" (1/1) ... [2024-11-13 22:47:14,488 INFO L138 Inliner]: procedures = 16, calls = 70, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 258 [2024-11-13 22:47:14,488 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:47:14,489 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:47:14,489 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:47:14,489 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:47:14,497 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:14" (1/1) ... [2024-11-13 22:47:14,498 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:14" (1/1) ... [2024-11-13 22:47:14,507 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:14" (1/1) ... [2024-11-13 22:47:14,507 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:14" (1/1) ... [2024-11-13 22:47:14,524 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:14" (1/1) ... [2024-11-13 22:47:14,532 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:14" (1/1) ... [2024-11-13 22:47:14,538 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:14" (1/1) ... [2024-11-13 22:47:14,539 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:14" (1/1) ... [2024-11-13 22:47:14,545 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:47:14,546 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:47:14,546 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:47:14,546 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:47:14,547 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:14" (1/1) ... [2024-11-13 22:47:14,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:47:14,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:47:14,588 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:47:14,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:47:14,620 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2024-11-13 22:47:14,620 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2024-11-13 22:47:14,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:47:14,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:47:14,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:47:14,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-13 22:47:14,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 22:47:14,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-13 22:47:14,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:47:14,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:47:14,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 22:47:14,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:47:14,728 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:47:14,730 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:47:15,163 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-11-13 22:47:15,163 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:47:15,317 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:47:15,318 INFO L316 CfgBuilder]: Removed 20 assume(true) statements. [2024-11-13 22:47:15,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:47:15 BoogieIcfgContainer [2024-11-13 22:47:15,318 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:47:15,319 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:47:15,319 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:47:15,328 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:47:15,329 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:47:15" (1/1) ... [2024-11-13 22:47:15,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:47:15,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:15,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 46 states and 73 transitions. [2024-11-13 22:47:15,381 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 73 transitions. [2024-11-13 22:47:15,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:47:15,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:15,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:15,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:15,538 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 22:47:15,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:15,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 46 states and 68 transitions. [2024-11-13 22:47:15,562 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 68 transitions. [2024-11-13 22:47:15,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:47:15,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:15,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:15,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:15,748 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 22:47:15,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:15,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 47 states and 69 transitions. [2024-11-13 22:47:15,783 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 69 transitions. [2024-11-13 22:47:15,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 22:47:15,784 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:15,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:15,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:47:15,868 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:47:15,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:47:16,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:47:16,049 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:47:16,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:47:16,131 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-13 22:47:16,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:47:16 ImpRootNode [2024-11-13 22:47:16,169 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:47:16,170 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:47:16,170 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:47:16,170 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:47:16,171 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:47:15" (3/4) ... [2024-11-13 22:47:16,173 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:47:16,174 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:47:16,177 INFO L158 Benchmark]: Toolchain (without parser) took 2037.89ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 81.3MB in the end (delta: 37.5MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2024-11-13 22:47:16,177 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:47:16,178 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.08ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 106.2MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:47:16,178 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.22ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 104.1MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:47:16,178 INFO L158 Benchmark]: Boogie Preprocessor took 56.62ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 102.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:47:16,179 INFO L158 Benchmark]: RCFGBuilder took 772.17ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 67.1MB in the end (delta: 35.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 22:47:16,179 INFO L158 Benchmark]: CodeCheck took 850.69ms. Allocated memory is still 142.6MB. Free memory was 66.8MB in the beginning and 81.3MB in the end (delta: -14.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:47:16,179 INFO L158 Benchmark]: Witness Printer took 4.14ms. Allocated memory is still 142.6MB. Free memory was 81.3MB in the beginning and 81.3MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:47:16,182 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 102 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 52 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 52 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 217 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 31 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 124]: 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 someBinaryArithmeticDOUBLEoperation at line 118, overapproximation of someBinaryDOUBLEComparisonOperation at line 17. Possible FailurePath: [L19] static const double one_modf = 1.0; [L118] double x = 0.0 / 0.0; [L119] double iptr; [L120] CALL, EXPR modf_double(x, &iptr) [L22] __int32_t i0, i1, j0; [L23] __uint32_t i; VAL [iptr={17575:0}, one_modf=1] [L25] ieee_double_shape_type ew_u; [L26] ew_u.value = (x) [L27] EXPR ew_u.parts.msw [L27] (i0) = ew_u.parts.msw [L28] EXPR ew_u.parts.lsw [L28] (i1) = ew_u.parts.lsw [L30] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [i0=0, i1=0, iptr={17575:0}, j0=-1023, one_modf=1, x=11] [L31] COND TRUE j0 < 20 VAL [i0=0, i1=0, iptr={17575:0}, j0=-1023, one_modf=1, x=11] [L32] COND TRUE j0 < 0 VAL [i0=0, i1=0, iptr={17575:0}, one_modf=1, x=11] [L34] ieee_double_shape_type iw_u; [L35] iw_u.parts.msw = (i0 & 0x80000000) [L36] iw_u.parts.lsw = (0) [L37] EXPR iw_u.value [L37] (*iptr) = iw_u.value [L39] return x; VAL [\result=11, i0=0, i1=0, iptr={17575:0}, one_modf=1] [L120] RET, EXPR modf_double(x, &iptr) [L120] double res = modf_double(x, &iptr); [L123] EXPR \read(iptr) VAL [one_modf=1, res=11] [L123] CALL, EXPR isnan_double(iptr) VAL [\old(x)=6, one_modf=1] [L17] return x != x; [L123] RET, EXPR isnan_double(iptr) VAL [one_modf=1, res=11] [L123] isnan_double(iptr) && !isnan_double(res) VAL [one_modf=1, res=11] [L123] CALL, EXPR isnan_double(res) VAL [\old(x)=11, one_modf=1] [L17] return x != x; [L123] RET, EXPR isnan_double(res) VAL [one_modf=1, res=11] [L123] isnan_double(iptr) && !isnan_double(res) VAL [one_modf=1, res=11] [L123] COND TRUE isnan_double(iptr) && !isnan_double(res) [L124] reach_error() VAL [one_modf=1, res=11] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 291.08ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 106.2MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.22ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 104.1MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.62ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 102.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 772.17ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 67.1MB in the end (delta: 35.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 850.69ms. Allocated memory is still 142.6MB. Free memory was 66.8MB in the beginning and 81.3MB in the end (delta: -14.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.14ms. Allocated memory is still 142.6MB. Free memory was 81.3MB in the beginning and 81.3MB in the end (delta: 21.0kB). 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 22:47:16,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/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_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/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_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1210.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/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_4d02db87-7860-413b-ae7e-dd8752ff5fb9/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 ec4125207afaf1b514f6960540fbcd04b5d06d11b290a09d0632548b03e12b1f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:47:18,692 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:47:18,803 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 22:47:18,854 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:47:18,855 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:47:18,856 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:47:18,856 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:47:18,856 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:47:18,857 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:47:18,857 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:47:18,857 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:47:18,858 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:47:18,858 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:47:18,858 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:47:18,858 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:47:18,859 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:47:18,859 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:47:18,859 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:47:18,859 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:47:18,859 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:47:18,859 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:47:18,860 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:47:18,860 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:47:18,860 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:47:18,860 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:47:18,860 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:47:18,860 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:47:18,860 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:47:18,860 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:47:18,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:47:18,861 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:47:18,861 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:47:18,861 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:47:18,861 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:47:18,861 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:47:18,862 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:47:18,862 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_4d02db87-7860-413b-ae7e-dd8752ff5fb9/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 -> ec4125207afaf1b514f6960540fbcd04b5d06d11b290a09d0632548b03e12b1f [2024-11-13 22:47:19,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:47:19,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:47:19,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:47:19,213 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:47:19,214 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:47:19,215 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-newlib/double_req_bl_1210.c Unable to find full path for "g++" [2024-11-13 22:47:21,071 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:47:21,378 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:47:21,379 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/sv-benchmarks/c/float-newlib/double_req_bl_1210.c [2024-11-13 22:47:21,411 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/data/54eaf47e6/a535b28f4c424c1c9918285d88606004/FLAG9801aba40 [2024-11-13 22:47:21,436 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/data/54eaf47e6/a535b28f4c424c1c9918285d88606004 [2024-11-13 22:47:21,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:47:21,442 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:47:21,445 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:47:21,447 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:47:21,456 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:47:21,457 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:47:21" (1/1) ... [2024-11-13 22:47:21,458 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f64a36c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:21, skipping insertion in model container [2024-11-13 22:47:21,458 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:47:21" (1/1) ... [2024-11-13 22:47:21,480 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:47:21,704 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_4d02db87-7860-413b-ae7e-dd8752ff5fb9/sv-benchmarks/c/float-newlib/double_req_bl_1210.c[3091,3104] [2024-11-13 22:47:21,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:47:21,729 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:47:21,780 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_4d02db87-7860-413b-ae7e-dd8752ff5fb9/sv-benchmarks/c/float-newlib/double_req_bl_1210.c[3091,3104] [2024-11-13 22:47:21,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:47:21,807 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:47:21,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:21 WrapperNode [2024-11-13 22:47:21,808 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:47:21,809 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:47:21,809 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:47:21,809 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:47:21,816 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:21" (1/1) ... [2024-11-13 22:47:21,831 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:21" (1/1) ... [2024-11-13 22:47:21,861 INFO L138 Inliner]: procedures = 19, calls = 70, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 202 [2024-11-13 22:47:21,865 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:47:21,866 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:47:21,866 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:47:21,866 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:47:21,874 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:21" (1/1) ... [2024-11-13 22:47:21,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:21" (1/1) ... [2024-11-13 22:47:21,878 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:21" (1/1) ... [2024-11-13 22:47:21,882 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:21" (1/1) ... [2024-11-13 22:47:21,900 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:21" (1/1) ... [2024-11-13 22:47:21,910 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:21" (1/1) ... [2024-11-13 22:47:21,913 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:21" (1/1) ... [2024-11-13 22:47:21,915 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:21" (1/1) ... [2024-11-13 22:47:21,921 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:47:21,925 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:47:21,925 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:47:21,925 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:47:21,926 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:21" (1/1) ... [2024-11-13 22:47:21,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:47:21,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:47:21,974 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:47:21,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:47:22,007 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2024-11-13 22:47:22,008 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2024-11-13 22:47:22,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:47:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-13 22:47:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-13 22:47:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:47:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:47:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 22:47:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:47:22,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:47:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 22:47:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:47:22,110 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:47:22,112 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:47:22,702 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-11-13 22:47:22,702 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:47:22,735 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:47:22,735 INFO L316 CfgBuilder]: Removed 20 assume(true) statements. [2024-11-13 22:47:22,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:47:22 BoogieIcfgContainer [2024-11-13 22:47:22,736 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:47:22,737 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:47:22,737 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:47:22,747 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:47:22,747 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:47:22" (1/1) ... [2024-11-13 22:47:22,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:47:22,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:22,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 46 states and 73 transitions. [2024-11-13 22:47:22,804 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 73 transitions. [2024-11-13 22:47:22,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:47:22,808 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:22,809 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:47:22,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:47:22,811 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:47:22,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:47:22,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:22,985 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:47:23,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:23,044 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 22:47:23,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:47:23,074 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 22:47:23,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:47:23,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:23,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 46 states and 68 transitions. [2024-11-13 22:47:23,120 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 68 transitions. [2024-11-13 22:47:23,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:47:23,121 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:23,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:47:23,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:47:23,126 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:47:23,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:47:23,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:23,310 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:47:23,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:23,359 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 22:47:23,360 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:47:23,364 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 22:47:23,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 22:47:23,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:23,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 46 states and 66 transitions. [2024-11-13 22:47:23,374 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 66 transitions. [2024-11-13 22:47:23,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:47:23,375 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:23,376 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:47:23,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:47:23,378 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:47:23,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 22:47:23,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:23,554 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:47:23,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:23,611 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:47:23,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:47:23,638 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 22:47:23,640 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:47:23,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-13 22:47:23,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:23,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 47 states and 67 transitions. [2024-11-13 22:47:23,685 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2024-11-13 22:47:23,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 22:47:23,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:23,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:47:23,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:47:23,688 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:47:23,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 22:47:23,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:23,991 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:47:24,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:24,043 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 22:47:24,046 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:47:24,456 INFO L349 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2024-11-13 22:47:24,456 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 74 [2024-11-13 22:47:24,512 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 17 [2024-11-13 22:47:24,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 17 [2024-11-13 22:47:24,724 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 22:47:24,726 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2024-11-13 22:47:24,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 17 [2024-11-13 22:47:25,166 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 22:47:25,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 24 [2024-11-13 22:47:25,452 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:47:25,455 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:47:25,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 22:47:27,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:27,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 51 states and 78 transitions. [2024-11-13 22:47:27,388 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 78 transitions. [2024-11-13 22:47:27,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 22:47:27,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:27,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:47:27,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:47:27,391 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:47:27,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 22:47:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:27,591 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:47:27,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:27,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 22:47:27,631 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:47:27,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:47:27,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 22:47:27,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:27,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 51 states and 74 transitions. [2024-11-13 22:47:27,661 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2024-11-13 22:47:27,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 22:47:27,663 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:27,664 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:47:27,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:47:27,667 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:47:27,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 22:47:27,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:27,863 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:47:27,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:27,897 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 22:47:27,898 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:47:27,901 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:47:27,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 22:47:27,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:27,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 51 states and 72 transitions. [2024-11-13 22:47:27,918 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2024-11-13 22:47:27,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 22:47:27,919 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:27,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:47:27,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:47:27,921 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:47:27,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 22:47:28,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:28,103 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:47:28,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:28,139 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 22:47:28,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:47:28,143 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:47:28,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 22:47:28,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:28,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 51 states and 68 transitions. [2024-11-13 22:47:28,159 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2024-11-13 22:47:28,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 22:47:28,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:28,160 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:47:28,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:47:28,162 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:47:28,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 22:47:28,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:28,500 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:47:28,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:28,576 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:47:28,579 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:47:29,264 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-11-13 22:47:29,333 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 43 [2024-11-13 22:47:29,374 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 18 [2024-11-13 22:47:29,395 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 27 [2024-11-13 22:47:29,419 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 17 [2024-11-13 22:47:29,437 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-13 22:47:29,857 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 22:47:29,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 24 [2024-11-13 22:47:30,228 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:47:30,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 22:47:35,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:35,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 53 states and 76 transitions. [2024-11-13 22:47:35,087 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2024-11-13 22:47:35,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 22:47:35,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:35,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:47:35,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:47:35,090 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:47:35,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 22:47:35,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:35,403 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:47:35,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:35,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:47:35,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:47:36,034 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-11-13 22:47:36,088 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 40 [2024-11-13 22:47:36,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 27 [2024-11-13 22:47:36,128 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 17 [2024-11-13 22:47:36,495 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 22:47:36,495 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 24 [2024-11-13 22:47:36,809 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:47:36,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 22:47:38,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 22:47:42,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 22:47:46,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:46,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 55 states and 81 transitions. [2024-11-13 22:47:46,956 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 81 transitions. [2024-11-13 22:47:46,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 22:47:46,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:46,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:47:46,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:47:46,962 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:47:46,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 22:47:47,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:47,120 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:47:47,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:47,156 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 22:47:47,156 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:47:47,158 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:47:47,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 22:47:47,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:47,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 55 states and 77 transitions. [2024-11-13 22:47:47,167 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2024-11-13 22:47:47,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 22:47:47,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:47,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:47:47,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:47:47,171 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:47:47,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d02db87-7860-413b-ae7e-dd8752ff5fb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 22:47:47,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:47:47,944 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:47:48,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat