./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1251b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1251b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL --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 0ddb7cbdb5243e0dc5a18ffa5957d423189625fe9ffc6441855806502cce15ab --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:57:45,273 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:57:45,369 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:57:45,380 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:57:45,380 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:57:45,424 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:57:45,425 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:57:45,426 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:57:45,427 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:57:45,432 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:57:45,433 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:57:45,434 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:57:45,434 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:57:45,436 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:57:45,437 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:57:45,437 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:57:45,437 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:57:45,438 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:57:45,438 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:57:45,439 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:57:45,439 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:57:45,440 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:57:45,440 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:57:45,441 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:57:45,441 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:57:45,442 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:57:45,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:57:45,443 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:57:45,444 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:57:45,444 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:57:45,445 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:57:45,446 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:57:45,446 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:57:45,446 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ddb7cbdb5243e0dc5a18ffa5957d423189625fe9ffc6441855806502cce15ab [2023-11-19 03:57:45,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:57:45,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:57:45,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:57:45,798 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:57:45,799 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:57:45,800 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/double_req_bl_1251b.c [2023-11-19 03:57:48,898 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:57:49,148 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:57:49,149 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/sv-benchmarks/c/float-newlib/double_req_bl_1251b.c [2023-11-19 03:57:49,158 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL/data/807b05a4f/060662a3745d4369955401efa35e5434/FLAGf8994f069 [2023-11-19 03:57:49,175 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL/data/807b05a4f/060662a3745d4369955401efa35e5434 [2023-11-19 03:57:49,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:57:49,183 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:57:49,187 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:57:49,187 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:57:49,192 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:57:49,195 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:57:49" (1/1) ... [2023-11-19 03:57:49,198 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e5547c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:49, skipping insertion in model container [2023-11-19 03:57:49,198 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:57:49" (1/1) ... [2023-11-19 03:57:49,225 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:57:49,395 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/sv-benchmarks/c/float-newlib/double_req_bl_1251b.c[2080,2093] [2023-11-19 03:57:49,399 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:57:49,409 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:57:49,430 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/sv-benchmarks/c/float-newlib/double_req_bl_1251b.c[2080,2093] [2023-11-19 03:57:49,431 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:57:49,446 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:57:49,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:49 WrapperNode [2023-11-19 03:57:49,447 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:57:49,448 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:57:49,448 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:57:49,449 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:57:49,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:49" (1/1) ... [2023-11-19 03:57:49,464 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:49" (1/1) ... [2023-11-19 03:57:49,483 INFO L138 Inliner]: procedures = 18, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2023-11-19 03:57:49,483 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:57:49,484 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:57:49,484 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:57:49,484 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:57:49,493 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:49" (1/1) ... [2023-11-19 03:57:49,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:49" (1/1) ... [2023-11-19 03:57:49,496 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:49" (1/1) ... [2023-11-19 03:57:49,496 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:49" (1/1) ... [2023-11-19 03:57:49,503 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:49" (1/1) ... [2023-11-19 03:57:49,506 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:49" (1/1) ... [2023-11-19 03:57:49,508 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:49" (1/1) ... [2023-11-19 03:57:49,509 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:49" (1/1) ... [2023-11-19 03:57:49,511 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:57:49,512 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:57:49,512 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:57:49,512 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:57:49,513 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:49" (1/1) ... [2023-11-19 03:57:49,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:57:49,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:57:49,554 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:57:49,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:57:49,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:57:49,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:57:49,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:57:49,601 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2023-11-19 03:57:49,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2023-11-19 03:57:49,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 03:57:49,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:57:49,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:57:49,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:57:49,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:57:49,671 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:57:49,673 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:57:49,875 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:57:49,996 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:57:49,997 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:57:50,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:50 BoogieIcfgContainer [2023-11-19 03:57:50,006 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:57:50,007 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:57:50,007 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:57:50,017 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:57:50,018 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:50" (1/1) ... [2023-11-19 03:57:50,026 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:57:50,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:50,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2023-11-19 03:57:50,072 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2023-11-19 03:57:50,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:57:50,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:50,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:50,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:50,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:50,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:50,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2023-11-19 03:57:50,348 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2023-11-19 03:57:50,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:57:50,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:50,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:50,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:57:50,438 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:57:50,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:57:50,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:57:50,550 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:57:50,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:57:50,604 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 03:57:50,634 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret6 could not be translated [2023-11-19 03:57:50,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:57:50 ImpRootNode [2023-11-19 03:57:50,643 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:57:50,644 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:57:50,644 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:57:50,644 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:57:50,645 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:50" (3/4) ... [2023-11-19 03:57:50,649 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:57:50,651 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:57:50,652 INFO L158 Benchmark]: Toolchain (without parser) took 1468.24ms. Allocated memory was 159.4MB in the beginning and 195.0MB in the end (delta: 35.7MB). Free memory was 118.5MB in the beginning and 161.1MB in the end (delta: -42.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:57:50,653 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 159.4MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:57:50,654 INFO L158 Benchmark]: CACSL2BoogieTranslator took 260.51ms. Allocated memory is still 159.4MB. Free memory was 118.5MB in the beginning and 107.1MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:57:50,654 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.05ms. Allocated memory is still 159.4MB. Free memory was 107.1MB in the beginning and 105.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:57:50,655 INFO L158 Benchmark]: Boogie Preprocessor took 27.33ms. Allocated memory is still 159.4MB. Free memory was 105.6MB in the beginning and 104.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:57:50,656 INFO L158 Benchmark]: RCFGBuilder took 494.44ms. Allocated memory is still 159.4MB. Free memory was 103.9MB in the beginning and 85.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 03:57:50,683 INFO L158 Benchmark]: CodeCheck took 636.00ms. Allocated memory was 159.4MB in the beginning and 195.0MB in the end (delta: 35.7MB). Free memory was 85.0MB in the beginning and 161.5MB in the end (delta: -76.4MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2023-11-19 03:57:50,684 INFO L158 Benchmark]: Witness Printer took 7.05ms. Allocated memory is still 195.0MB. Free memory was 161.4MB in the beginning and 161.1MB in the end (delta: 315.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:57:50,690 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, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 16 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 80]: 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 someBinaryDOUBLEComparisonOperation at line 79, overapproximation of someBinaryArithmeticDOUBLEoperation at line 67. Possible FailurePath: [L66] double x = __VERIFIER_nondet_double(); [L67] double y = 0.0 / 0.0; [L74] CALL, EXPR isnan_double(x) [L18] return x != x; [L74] RET, EXPR isnan_double(x) [L74] COND TRUE !isnan_double(x) [L76] CALL, EXPR fmax_double(x, y) [L57] CALL, EXPR __fpclassify_double(x) VAL [\old(x)=3] [L29] __uint32_t msw, lsw; VAL [\old(x)=3, x=3] [L32] ieee_double_shape_type ew_u; [L33] EXPR ew_u.value = (x) [L34] EXPR ew_u.parts.msw [L34] EXPR (msw) = ew_u.parts.msw [L35] EXPR ew_u.parts.lsw [L35] EXPR (lsw) = ew_u.parts.lsw [L31-L36] { ieee_double_shape_type ew_u; ew_u.value = (x); (msw) = ew_u.parts.msw; (lsw) = ew_u.parts.lsw; } VAL [\old(x)=3, lsw=625, msw=4293918721, x=3] [L38-L39] COND FALSE !((msw == 0x00000000 && lsw == 0x00000000) || (msw == 0x80000000 && lsw == 0x00000000)) [L41-L42] COND FALSE !((msw >= 0x00100000 && msw <= 0x7fefffff) || (msw >= 0x80100000 && msw <= 0xffefffff)) [L44-L45] COND FALSE !(( msw <= 0x000fffff) || (msw >= 0x80000000 && msw <= 0x800fffff)) [L48-L49] COND FALSE !((msw == 0x7ff00000 && lsw == 0x00000000) || (msw == 0xfff00000 && lsw == 0x00000000)) [L52] return 0; [L57] RET, EXPR __fpclassify_double(x) VAL [\old(x)=3, \old(y)=2, x=3, y=2] [L57] COND TRUE __fpclassify_double(x) == 0 [L58] return y; VAL [\old(x)=3, \old(y)=2, \result=2, x=3, y=2] [L76] RET, EXPR fmax_double(x, y) [L76] double res = fmax_double(x, y); [L79] COND TRUE res != x VAL [res=2, x=3, y=2] [L80] reach_error() VAL [res=2, x=3, y=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 159.4MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 260.51ms. Allocated memory is still 159.4MB. Free memory was 118.5MB in the beginning and 107.1MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.05ms. Allocated memory is still 159.4MB. Free memory was 107.1MB in the beginning and 105.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.33ms. Allocated memory is still 159.4MB. Free memory was 105.6MB in the beginning and 104.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 494.44ms. Allocated memory is still 159.4MB. Free memory was 103.9MB in the beginning and 85.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 636.00ms. Allocated memory was 159.4MB in the beginning and 195.0MB in the end (delta: 35.7MB). Free memory was 85.0MB in the beginning and 161.5MB in the end (delta: -76.4MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. * Witness Printer took 7.05ms. Allocated memory is still 195.0MB. Free memory was 161.4MB in the beginning and 161.1MB in the end (delta: 315.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret6 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:57:50,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1251b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL --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 0ddb7cbdb5243e0dc5a18ffa5957d423189625fe9ffc6441855806502cce15ab --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:57:53,201 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:57:53,319 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:57:53,399 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:57:53,400 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:57:53,401 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:57:53,401 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:57:53,402 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:57:53,403 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:57:53,408 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:57:53,409 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:57:53,409 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:57:53,410 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:57:53,412 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:57:53,412 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:57:53,413 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:57:53,413 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:57:53,413 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:57:53,414 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:57:53,414 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:57:53,415 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:57:53,416 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:57:53,416 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:57:53,417 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:57:53,417 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:57:53,417 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:57:53,418 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:57:53,418 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:57:53,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:57:53,419 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:57:53,421 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:57:53,421 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:57:53,421 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:57:53,422 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:57:53,422 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:57:53,423 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:57:53,423 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:57:53,424 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ddb7cbdb5243e0dc5a18ffa5957d423189625fe9ffc6441855806502cce15ab [2023-11-19 03:57:53,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:57:53,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:57:53,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:57:53,867 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:57:53,868 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:57:53,870 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/double_req_bl_1251b.c [2023-11-19 03:57:56,978 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:57:57,279 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:57:57,280 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/sv-benchmarks/c/float-newlib/double_req_bl_1251b.c [2023-11-19 03:57:57,288 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL/data/f42dd9cbb/4b0f7a70f4aa4b82b0c6aa82d96fe9de/FLAG10635fbe4 [2023-11-19 03:57:57,303 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL/data/f42dd9cbb/4b0f7a70f4aa4b82b0c6aa82d96fe9de [2023-11-19 03:57:57,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:57:57,307 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:57:57,308 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:57:57,309 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:57:57,313 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:57:57,314 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:57:57" (1/1) ... [2023-11-19 03:57:57,315 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@417eac80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:57, skipping insertion in model container [2023-11-19 03:57:57,316 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:57:57" (1/1) ... [2023-11-19 03:57:57,339 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:57:57,506 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/sv-benchmarks/c/float-newlib/double_req_bl_1251b.c[2080,2093] [2023-11-19 03:57:57,511 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:57:57,526 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:57:57,548 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/sv-benchmarks/c/float-newlib/double_req_bl_1251b.c[2080,2093] [2023-11-19 03:57:57,549 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:57:57,578 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:57:57,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:57 WrapperNode [2023-11-19 03:57:57,578 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:57:57,580 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:57:57,580 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:57:57,580 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:57:57,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:57" (1/1) ... [2023-11-19 03:57:57,610 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:57" (1/1) ... [2023-11-19 03:57:57,631 INFO L138 Inliner]: procedures = 21, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2023-11-19 03:57:57,631 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:57:57,632 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:57:57,632 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:57:57,632 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:57:57,642 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:57" (1/1) ... [2023-11-19 03:57:57,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:57" (1/1) ... [2023-11-19 03:57:57,646 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:57" (1/1) ... [2023-11-19 03:57:57,646 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:57" (1/1) ... [2023-11-19 03:57:57,655 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:57" (1/1) ... [2023-11-19 03:57:57,659 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:57" (1/1) ... [2023-11-19 03:57:57,661 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:57" (1/1) ... [2023-11-19 03:57:57,663 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:57" (1/1) ... [2023-11-19 03:57:57,666 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:57:57,667 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:57:57,668 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:57:57,668 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:57:57,669 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:57" (1/1) ... [2023-11-19 03:57:57,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:57:57,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:57:57,726 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:57:57,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:57:57,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:57:57,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-19 03:57:57,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:57:57,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:57:57,774 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2023-11-19 03:57:57,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2023-11-19 03:57:57,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:57:57,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:57:57,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:57:57,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:57:57,896 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:57:57,903 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:57:58,171 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:57:58,287 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:57:58,293 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:57:58,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:58 BoogieIcfgContainer [2023-11-19 03:57:58,299 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:57:58,300 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:57:58,300 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:57:58,309 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:57:58,309 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:58" (1/1) ... [2023-11-19 03:57:58,317 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:57:58,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:58,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2023-11-19 03:57:58,394 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2023-11-19 03:57:58,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:57:58,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:58,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:57:58,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:57:58,401 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:57:58,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:57:58,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:58,598 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:57:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:58,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:57:58,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:58,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:58,655 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:57:58,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:57:58,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:58,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2023-11-19 03:57:58,697 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2023-11-19 03:57:58,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:57:58,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:58,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:57:58,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:57:58,700 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:57:58,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:57:58,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:58,997 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:57:59,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:59,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:57:59,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:02,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:58:02,273 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:58:02,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 03:58:03,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:03,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 19 transitions. [2023-11-19 03:58:03,149 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2023-11-19 03:58:03,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:58:03,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:03,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:58:03,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:58:03,152 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:58:03,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 03:58:03,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:03,624 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:58:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:03,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:58:03,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:07,722 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:58:07,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-19 03:58:11,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:11,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 16 states and 17 transitions. [2023-11-19 03:58:11,215 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2023-11-19 03:58:11,216 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:58:11,216 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2023-11-19 03:58:11,224 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 03:58:11,530 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:58:11,532 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-19 03:58:11,536 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:58:11,536 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:58:11,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:58:11 ImpRootNode [2023-11-19 03:58:11,537 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:58:11,537 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:58:11,537 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:58:11,538 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:58:11,538 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:58" (3/4) ... [2023-11-19 03:58:11,540 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:58:11,543 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __fpclassify_double [2023-11-19 03:58:11,547 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-19 03:58:11,548 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-19 03:58:11,548 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:58:11,548 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:58:11,576 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(x) == x) [2023-11-19 03:58:11,602 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(x) == x) [2023-11-19 03:58:11,650 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:58:11,651 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:58:11,651 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:58:11,652 INFO L158 Benchmark]: Toolchain (without parser) took 14344.67ms. Allocated memory was 77.6MB in the beginning and 180.4MB in the end (delta: 102.8MB). Free memory was 54.2MB in the beginning and 104.8MB in the end (delta: -50.6MB). Peak memory consumption was 53.8MB. Max. memory is 16.1GB. [2023-11-19 03:58:11,652 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 77.6MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:58:11,653 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.48ms. Allocated memory is still 77.6MB. Free memory was 54.0MB in the beginning and 42.5MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:58:11,653 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.69ms. Allocated memory is still 77.6MB. Free memory was 42.3MB in the beginning and 40.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:58:11,654 INFO L158 Benchmark]: Boogie Preprocessor took 34.86ms. Allocated memory is still 77.6MB. Free memory was 40.6MB in the beginning and 39.1MB in the end (delta: 1.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:58:11,654 INFO L158 Benchmark]: RCFGBuilder took 632.20ms. Allocated memory is still 77.6MB. Free memory was 39.1MB in the beginning and 39.7MB in the end (delta: -613.6kB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2023-11-19 03:58:11,655 INFO L158 Benchmark]: CodeCheck took 13236.50ms. Allocated memory was 77.6MB in the beginning and 180.4MB in the end (delta: 102.8MB). Free memory was 39.5MB in the beginning and 108.9MB in the end (delta: -69.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-19 03:58:11,655 INFO L158 Benchmark]: Witness Printer took 113.64ms. Allocated memory is still 180.4MB. Free memory was 108.9MB in the beginning and 104.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:58:11,657 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, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.9s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 99 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 65 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 119 IncrementalHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 61 mSDtfsCounter, 119 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 328 GetRequests, 297 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 7.3s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 39 ConstructedInterpolants, 11 QuantifiedInterpolants, 742 SizeOfPredicates, 22 NumberOfNonLiveVariables, 164 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 5/5 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 80]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: (\old(x) == x) - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 77.6MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.48ms. Allocated memory is still 77.6MB. Free memory was 54.0MB in the beginning and 42.5MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.69ms. Allocated memory is still 77.6MB. Free memory was 42.3MB in the beginning and 40.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.86ms. Allocated memory is still 77.6MB. Free memory was 40.6MB in the beginning and 39.1MB in the end (delta: 1.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 632.20ms. Allocated memory is still 77.6MB. Free memory was 39.1MB in the beginning and 39.7MB in the end (delta: -613.6kB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * CodeCheck took 13236.50ms. Allocated memory was 77.6MB in the beginning and 180.4MB in the end (delta: 102.8MB). Free memory was 39.5MB in the beginning and 108.9MB in the end (delta: -69.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 113.64ms. Allocated memory is still 180.4MB. Free memory was 108.9MB in the beginning and 104.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:58:11,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e74ab07-c7eb-4f28-84f2-2eb07dceab6c/bin/ukojak-verify-G8NBE6pJGL/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 Writing output log to file Ultimate.log Result: TRUE