./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0530a.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_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/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_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0530a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/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_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/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 b38de4b3771aa524216757fa4f71e6ec5c1d192307f57d06dbabf379102384cd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:49:42,109 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:49:42,200 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:49:42,205 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:49:42,205 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:49:42,237 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:49:42,238 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:49:42,238 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:49:42,238 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:49:42,240 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:49:42,241 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:49:42,242 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:49:42,242 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:49:42,242 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:49:42,243 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:49:42,243 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:49:42,243 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:49:42,243 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:49:42,243 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:49:42,243 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:49:42,243 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:49:42,243 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:49:42,243 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:49:42,244 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:49:42,244 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:49:42,244 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:49:42,244 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:49:42,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:49:42,244 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:49:42,244 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:49:42,244 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:49:42,244 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:49:42,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:49:42,245 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_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/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 -> b38de4b3771aa524216757fa4f71e6ec5c1d192307f57d06dbabf379102384cd [2024-11-13 21:49:42,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:49:42,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:49:42,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:49:42,559 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:49:42,560 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:49:42,561 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-newlib/float_req_bl_0530a.c Unable to find full path for "g++" [2024-11-13 21:49:44,643 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:49:44,988 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:49:44,989 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/sv-benchmarks/c/float-newlib/float_req_bl_0530a.c [2024-11-13 21:49:45,001 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/bin/ukojak-verify-EEHR8qb7sm/data/e4f33753b/add07d060b32471b8e22d66b5cc0f474/FLAG8a2be8248 [2024-11-13 21:49:45,237 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/bin/ukojak-verify-EEHR8qb7sm/data/e4f33753b/add07d060b32471b8e22d66b5cc0f474 [2024-11-13 21:49:45,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:49:45,243 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:49:45,246 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:49:45,246 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:49:45,251 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:49:45,253 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:49:45" (1/1) ... [2024-11-13 21:49:45,257 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2738d207 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:45, skipping insertion in model container [2024-11-13 21:49:45,258 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:49:45" (1/1) ... [2024-11-13 21:49:45,303 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:49:45,659 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_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/sv-benchmarks/c/float-newlib/float_req_bl_0530a.c[15590,15603] [2024-11-13 21:49:45,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:49:45,717 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:49:45,858 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_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/sv-benchmarks/c/float-newlib/float_req_bl_0530a.c[15590,15603] [2024-11-13 21:49:45,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:49:45,907 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:49:45,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:45 WrapperNode [2024-11-13 21:49:45,908 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:49:45,909 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:49:45,909 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:49:45,909 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:49:45,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:45" (1/1) ... [2024-11-13 21:49:45,952 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:45" (1/1) ... [2024-11-13 21:49:46,035 INFO L138 Inliner]: procedures = 26, calls = 519, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1082 [2024-11-13 21:49:46,036 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:49:46,036 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:49:46,041 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:49:46,041 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:49:46,052 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:45" (1/1) ... [2024-11-13 21:49:46,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:45" (1/1) ... [2024-11-13 21:49:46,066 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:45" (1/1) ... [2024-11-13 21:49:46,070 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:45" (1/1) ... [2024-11-13 21:49:46,106 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:45" (1/1) ... [2024-11-13 21:49:46,123 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:45" (1/1) ... [2024-11-13 21:49:46,131 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:45" (1/1) ... [2024-11-13 21:49:46,139 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:45" (1/1) ... [2024-11-13 21:49:46,157 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:49:46,158 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:49:46,158 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:49:46,158 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:49:46,159 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:45" (1/1) ... [2024-11-13 21:49:46,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:49:46,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:49:46,200 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:49:46,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:49:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:49:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-13 21:49:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-13 21:49:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:49:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-13 21:49:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:49:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2024-11-13 21:49:46,243 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2024-11-13 21:49:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-13 21:49:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2024-11-13 21:49:46,243 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2024-11-13 21:49:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:49:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2024-11-13 21:49:46,243 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2024-11-13 21:49:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:49:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tanf [2024-11-13 21:49:46,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tanf [2024-11-13 21:49:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:49:46,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:49:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:49:46,480 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:49:46,483 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:50:00,714 INFO L? ?]: Removed 246 outVars from TransFormulas that were not future-live. [2024-11-13 21:50:00,714 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:50:01,300 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:50:01,302 INFO L316 CfgBuilder]: Removed 65 assume(true) statements. [2024-11-13 21:50:01,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:50:01 BoogieIcfgContainer [2024-11-13 21:50:01,303 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:50:01,303 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:50:01,304 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:50:01,313 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:50:01,313 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:50:01" (1/1) ... [2024-11-13 21:50:01,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:50:01,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:01,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 168 states and 277 transitions. [2024-11-13 21:50:01,389 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 277 transitions. [2024-11-13 21:50:01,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:50:01,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:01,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:50:21,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:21,859 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 21:50:31,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 21:50:32,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:32,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 168 states and 274 transitions. [2024-11-13 21:50:32,063 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 274 transitions. [2024-11-13 21:50:32,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:50:32,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:32,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:50:50,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:50:50,137 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:50:50,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:51:19,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:51:19,113 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 21:51:19,118 INFO L158 Benchmark]: Toolchain (without parser) took 93874.87ms. Allocated memory was 117.4MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 92.2MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-11-13 21:51:19,118 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:51:19,119 INFO L158 Benchmark]: CACSL2BoogieTranslator took 662.28ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 64.0MB in the end (delta: 28.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 21:51:19,120 INFO L158 Benchmark]: Boogie Procedure Inliner took 127.48ms. Allocated memory is still 117.4MB. Free memory was 64.0MB in the beginning and 57.3MB in the end (delta: 6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:51:19,120 INFO L158 Benchmark]: Boogie Preprocessor took 120.70ms. Allocated memory is still 117.4MB. Free memory was 57.3MB in the beginning and 50.3MB in the end (delta: 6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:51:19,121 INFO L158 Benchmark]: RCFGBuilder took 15144.77ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 50.3MB in the beginning and 86.9MB in the end (delta: -36.6MB). Peak memory consumption was 67.9MB. Max. memory is 16.1GB. [2024-11-13 21:51:19,121 INFO L158 Benchmark]: CodeCheck took 77813.53ms. Allocated memory was 176.2MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 86.9MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-11-13 21:51:19,125 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 662.28ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 64.0MB in the end (delta: 28.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 127.48ms. Allocated memory is still 117.4MB. Free memory was 64.0MB in the beginning and 57.3MB in the end (delta: 6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 120.70ms. Allocated memory is still 117.4MB. Free memory was 57.3MB in the beginning and 50.3MB in the end (delta: 6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 15144.77ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 50.3MB in the beginning and 86.9MB in the end (delta: -36.6MB). Peak memory consumption was 67.9MB. Max. memory is 16.1GB. * CodeCheck took 77813.53ms. Allocated memory was 176.2MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 86.9MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 21:51:19,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/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_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0530a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/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_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/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 b38de4b3771aa524216757fa4f71e6ec5c1d192307f57d06dbabf379102384cd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:51:21,942 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:51:22,069 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 21:51:22,101 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:51:22,101 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:51:22,102 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:51:22,102 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:51:22,102 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:51:22,103 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:51:22,103 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:51:22,103 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:51:22,103 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:51:22,103 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:51:22,103 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:51:22,103 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:51:22,104 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:51:22,104 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:51:22,104 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:51:22,104 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:51:22,104 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:51:22,104 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:51:22,105 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:51:22,105 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:51:22,105 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:51:22,105 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:51:22,105 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:51:22,105 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:22,105 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:51:22,106 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:51:22,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:51:22,106 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:51:22,106 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:51:22,106 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:51:22,106 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:51:22,107 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:22,107 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:51:22,107 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_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/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 -> b38de4b3771aa524216757fa4f71e6ec5c1d192307f57d06dbabf379102384cd [2024-11-13 21:51:22,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:51:22,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:51:22,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:51:22,435 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:51:22,435 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:51:22,436 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-newlib/float_req_bl_0530a.c Unable to find full path for "g++" [2024-11-13 21:51:24,522 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:51:24,806 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:51:24,806 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/sv-benchmarks/c/float-newlib/float_req_bl_0530a.c [2024-11-13 21:51:24,817 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/bin/ukojak-verify-EEHR8qb7sm/data/c0ff244fc/b019d1978f624700b90ab0f6a7aa3050/FLAG6d1e82fe1 [2024-11-13 21:51:24,836 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/bin/ukojak-verify-EEHR8qb7sm/data/c0ff244fc/b019d1978f624700b90ab0f6a7aa3050 [2024-11-13 21:51:24,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:51:24,839 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:51:24,840 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:51:24,841 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:51:24,844 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:51:24,845 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:51:24" (1/1) ... [2024-11-13 21:51:24,846 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28974c95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:24, skipping insertion in model container [2024-11-13 21:51:24,846 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:51:24" (1/1) ... [2024-11-13 21:51:24,875 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:51:25,305 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_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/sv-benchmarks/c/float-newlib/float_req_bl_0530a.c[15590,15603] [2024-11-13 21:51:25,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:51:25,392 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:51:25,512 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_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/sv-benchmarks/c/float-newlib/float_req_bl_0530a.c[15590,15603] [2024-11-13 21:51:25,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:51:25,589 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:51:25,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:25 WrapperNode [2024-11-13 21:51:25,590 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:51:25,591 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:51:25,591 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:51:25,591 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:51:25,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:25" (1/1) ... [2024-11-13 21:51:25,622 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:25" (1/1) ... [2024-11-13 21:51:25,702 INFO L138 Inliner]: procedures = 30, calls = 519, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1027 [2024-11-13 21:51:25,703 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:51:25,703 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:51:25,703 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:51:25,704 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:51:25,711 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:25" (1/1) ... [2024-11-13 21:51:25,712 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:25" (1/1) ... [2024-11-13 21:51:25,744 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:25" (1/1) ... [2024-11-13 21:51:25,744 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:25" (1/1) ... [2024-11-13 21:51:25,805 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:25" (1/1) ... [2024-11-13 21:51:25,815 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:25" (1/1) ... [2024-11-13 21:51:25,820 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:25" (1/1) ... [2024-11-13 21:51:25,826 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:25" (1/1) ... [2024-11-13 21:51:25,833 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:51:25,838 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:51:25,838 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:51:25,838 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:51:25,839 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:25" (1/1) ... [2024-11-13 21:51:25,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:51:25,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:51:25,878 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:51:25,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:51:25,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:51:25,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:51:25,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-13 21:51:25,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:51:25,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-13 21:51:25,911 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2024-11-13 21:51:25,911 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2024-11-13 21:51:25,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 21:51:25,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2024-11-13 21:51:25,911 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2024-11-13 21:51:25,912 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2024-11-13 21:51:25,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-13 21:51:25,912 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2024-11-13 21:51:25,912 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2024-11-13 21:51:25,912 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tanf [2024-11-13 21:51:25,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tanf [2024-11-13 21:51:25,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-11-13 21:51:25,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:51:25,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:51:25,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 21:51:25,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:51:26,145 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:51:26,148 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:52:58,302 INFO L? ?]: Removed 240 outVars from TransFormulas that were not future-live. [2024-11-13 21:52:58,303 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:52:58,607 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:52:58,607 INFO L316 CfgBuilder]: Removed 65 assume(true) statements. [2024-11-13 21:52:58,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:52:58 BoogieIcfgContainer [2024-11-13 21:52:58,607 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:52:58,608 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:52:58,608 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:52:58,619 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:52:58,619 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:52:58" (1/1) ... [2024-11-13 21:52:58,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:52:58,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:58,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 168 states and 277 transitions. [2024-11-13 21:52:58,680 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 277 transitions. [2024-11-13 21:52:58,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:52:58,682 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:58,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:52:58,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:52:58,686 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:52:58,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:53:18,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:18,735 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:37,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:37,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 21:53:37,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:37,244 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 21:53:37,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:53:47,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 21:53:47,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:47,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 168 states and 274 transitions. [2024-11-13 21:53:47,615 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 274 transitions. [2024-11-13 21:53:47,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:53:47,616 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:47,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:47,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:47,620 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:47,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:54:08,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:08,581 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:26,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:54:26,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:26,661 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:54:26,663 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-13 21:54:26,956 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 21:54:26,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 21:54:37,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 21:54:37,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:37,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 48 states and 69 transitions. [2024-11-13 21:54:37,946 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2024-11-13 21:54:37,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 21:54:37,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:37,947 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:37,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:37,950 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:37,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 21:54:57,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:57,553 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:15,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:15,498 INFO L255 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 21:55:15,499 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:15,504 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 21:55:15,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 21:55:15,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:15,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 48 states and 67 transitions. [2024-11-13 21:55:15,528 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 67 transitions. [2024-11-13 21:55:15,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 21:55:15,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:15,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:15,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:15,533 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:15,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 21:55:42,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:42,880 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:58,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:58,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:55:58,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:28,005 WARN L286 SmtUtils]: Spent 10.29s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:56:39,073 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 21:56:39,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-13 21:56:50,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:57:23,365 WARN L286 SmtUtils]: Spent 8.74s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:57:33,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:57:43,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:57:48,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.95s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:57:53,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:57:55,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:58:05,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:58:15,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:58:18,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.88s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:58:24,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.51s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:58:27,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:58:45,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:45,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 53 states and 76 transitions. [2024-11-13 21:58:45,053 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2024-11-13 21:58:45,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 21:58:45,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:45,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:45,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:45,056 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:45,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 21:59:08,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:08,257 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:24,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:24,959 INFO L255 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 21:59:24,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:30,196 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:59:30,197 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-13 21:59:47,135 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 21:59:47,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfba8a20-be9f-42f1-94b1-4cf4681a87c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 22:00:48,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:00:59,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.82s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:01:10,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:01:21,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.85s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:01:32,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.80s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:01:42,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.43s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:01:53,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:02:03,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.57s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:03:04,054 WARN L286 SmtUtils]: Spent 17.23s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:03:59,735 WARN L286 SmtUtils]: Spent 16.56s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)