./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0730c.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_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/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_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0730c.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/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_462442c7-d834-4e15-8a2e-658ecf6bb90b/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 f8c3d6863785ed03feeabfa34c0c11607b9ab236b069ea505eed9d256d26078d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:42:17,597 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:42:17,706 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:42:17,715 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:42:17,715 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:42:17,759 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:42:17,760 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:42:17,761 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:42:17,762 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:42:17,767 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:42:17,768 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:42:17,768 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:42:17,769 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:42:17,771 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:42:17,771 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:42:17,771 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:42:17,772 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:42:17,772 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:42:17,773 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:42:17,773 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:42:17,774 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:42:17,774 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:42:17,775 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:42:17,775 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:42:17,776 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:42:17,777 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:42:17,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:42:17,777 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:42:17,778 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:42:17,778 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:42:17,780 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:42:17,780 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:42:17,780 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:42:17,781 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_462442c7-d834-4e15-8a2e-658ecf6bb90b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8c3d6863785ed03feeabfa34c0c11607b9ab236b069ea505eed9d256d26078d [2023-11-19 02:42:18,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:42:18,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:42:18,154 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:42:18,155 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:42:18,156 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:42:18,157 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/double_req_bl_0730c.c [2023-11-19 02:42:21,084 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:42:21,327 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:42:21,327 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/sv-benchmarks/c/float-newlib/double_req_bl_0730c.c [2023-11-19 02:42:21,335 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/data/0ea7ff459/b71dbc7d6a204cb9bef0292c674eb1b9/FLAGd44e7eaff [2023-11-19 02:42:21,348 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/data/0ea7ff459/b71dbc7d6a204cb9bef0292c674eb1b9 [2023-11-19 02:42:21,350 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:42:21,351 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:42:21,353 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:42:21,353 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:42:21,358 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:42:21,358 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:42:21" (1/1) ... [2023-11-19 02:42:21,359 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2450819e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:21, skipping insertion in model container [2023-11-19 02:42:21,360 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:42:21" (1/1) ... [2023-11-19 02:42:21,407 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:42:21,667 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_462442c7-d834-4e15-8a2e-658ecf6bb90b/sv-benchmarks/c/float-newlib/double_req_bl_0730c.c[3223,3236] [2023-11-19 02:42:21,678 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:42:21,693 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:42:21,767 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_462442c7-d834-4e15-8a2e-658ecf6bb90b/sv-benchmarks/c/float-newlib/double_req_bl_0730c.c[3223,3236] [2023-11-19 02:42:21,768 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:42:21,799 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:42:21,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:21 WrapperNode [2023-11-19 02:42:21,800 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:42:21,801 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:42:21,801 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:42:21,801 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:42:21,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:21" (1/1) ... [2023-11-19 02:42:21,836 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:21" (1/1) ... [2023-11-19 02:42:21,884 INFO L138 Inliner]: procedures = 17, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 324 [2023-11-19 02:42:21,885 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:42:21,885 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:42:21,886 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:42:21,886 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:42:21,898 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:21" (1/1) ... [2023-11-19 02:42:21,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:21" (1/1) ... [2023-11-19 02:42:21,912 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:21" (1/1) ... [2023-11-19 02:42:21,916 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:21" (1/1) ... [2023-11-19 02:42:21,936 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:21" (1/1) ... [2023-11-19 02:42:21,942 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:21" (1/1) ... [2023-11-19 02:42:21,943 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:21" (1/1) ... [2023-11-19 02:42:21,946 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:21" (1/1) ... [2023-11-19 02:42:21,963 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:42:21,964 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:42:21,964 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:42:21,965 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:42:21,965 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:21" (1/1) ... [2023-11-19 02:42:21,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:42:21,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:42:22,012 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:42:22,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:42:22,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:42:22,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:42:22,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:42:22,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 02:42:22,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:42:22,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 02:42:22,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:42:22,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:42:22,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:42:22,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:42:22,224 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:42:22,226 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:42:22,712 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:42:23,184 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:42:23,184 INFO L302 CfgBuilder]: Removed 10 assume(true) statements. [2023-11-19 02:42:23,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:42:23 BoogieIcfgContainer [2023-11-19 02:42:23,189 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:42:23,190 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:42:23,191 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:42:23,201 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:42:23,201 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:42:23" (1/1) ... [2023-11-19 02:42:23,211 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:42:23,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:42:23,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 47 transitions. [2023-11-19 02:42:23,269 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2023-11-19 02:42:23,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:42:23,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:42:23,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:42:23,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:42:23,414 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 02:42:23,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:42:23,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-11-19 02:42:23,436 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-11-19 02:42:23,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:42:23,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:42:23,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:42:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:42:23,479 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:42:23,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:42:23,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:42:23,606 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:42:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:42:23,665 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 02:42:23,690 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated [2023-11-19 02:42:23,691 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short29 could not be translated [2023-11-19 02:42:23,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:42:23 ImpRootNode [2023-11-19 02:42:23,696 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:42:23,697 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:42:23,697 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:42:23,697 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:42:23,698 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:42:23" (3/4) ... [2023-11-19 02:42:23,700 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 02:42:23,701 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:42:23,702 INFO L158 Benchmark]: Toolchain (without parser) took 2350.30ms. Allocated memory was 167.8MB in the beginning and 203.4MB in the end (delta: 35.7MB). Free memory was 135.4MB in the beginning and 132.3MB in the end (delta: 3.1MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2023-11-19 02:42:23,703 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 130.0MB. Free memory was 101.4MB in the beginning and 101.3MB in the end (delta: 72.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:42:23,703 INFO L158 Benchmark]: CACSL2BoogieTranslator took 447.46ms. Allocated memory is still 167.8MB. Free memory was 135.1MB in the beginning and 126.5MB in the end (delta: 8.6MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2023-11-19 02:42:23,704 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.20ms. Allocated memory is still 167.8MB. Free memory was 126.5MB in the beginning and 123.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:42:23,705 INFO L158 Benchmark]: Boogie Preprocessor took 78.02ms. Allocated memory is still 167.8MB. Free memory was 123.8MB in the beginning and 121.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:42:23,705 INFO L158 Benchmark]: RCFGBuilder took 1225.33ms. Allocated memory was 167.8MB in the beginning and 203.4MB in the end (delta: 35.7MB). Free memory was 121.7MB in the beginning and 154.3MB in the end (delta: -32.6MB). Peak memory consumption was 62.1MB. Max. memory is 16.1GB. [2023-11-19 02:42:23,706 INFO L158 Benchmark]: CodeCheck took 505.73ms. Allocated memory is still 203.4MB. Free memory was 154.3MB in the beginning and 133.2MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 02:42:23,706 INFO L158 Benchmark]: Witness Printer took 4.31ms. Allocated memory is still 203.4MB. Free memory was 133.2MB in the beginning and 132.3MB in the end (delta: 916.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:42:23,710 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 1 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 13 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, 13 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 57 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 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: 156]: 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 155, overapproximation of bitwiseAnd at line 34, overapproximation of someBinaryArithmeticDOUBLEoperation at line 35. Possible FailurePath: [L19] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L151] double x = 0.0; [L152] CALL, EXPR __ieee754_sqrt(x) [L22] double z; [L23] __int32_t sign = 0x80000000; [L24] __uint32_t r, t1, s1, ix1, q1; [L25] __int32_t ix0, s0, q, m, t, i; VAL [\old(x)=0, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0] [L28] ieee_double_shape_type ew_u; [L29] EXPR ew_u.value = (x) [L30] EXPR ew_u.parts.msw [L30] EXPR (ix0) = ew_u.parts.msw [L31] EXPR ew_u.parts.lsw [L31] EXPR (ix1) = ew_u.parts.lsw [L27-L32] { ieee_double_shape_type ew_u; ew_u.value = (x); (ix0) = ew_u.parts.msw; (ix1) = ew_u.parts.lsw; } VAL [\old(x)=0, ix0=2146435072, ix1=7, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0] [L34] EXPR ix0 & 0x7ff00000 VAL [\old(x)=0, ix0=2146435072, ix1=7, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0] [L34] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000 [L35] return x * x + x; VAL [\old(x)=0, ix0=2146435072, ix1=7, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0] [L152] RET, EXPR __ieee754_sqrt(x) [L152] double res = __ieee754_sqrt(x); [L155] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [one_sqrt=1, res=4, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0] [L155] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L156] reach_error() VAL [one_sqrt=1, res=4, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 130.0MB. Free memory was 101.4MB in the beginning and 101.3MB in the end (delta: 72.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 447.46ms. Allocated memory is still 167.8MB. Free memory was 135.1MB in the beginning and 126.5MB in the end (delta: 8.6MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.20ms. Allocated memory is still 167.8MB. Free memory was 126.5MB in the beginning and 123.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.02ms. Allocated memory is still 167.8MB. Free memory was 123.8MB in the beginning and 121.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1225.33ms. Allocated memory was 167.8MB in the beginning and 203.4MB in the end (delta: 35.7MB). Free memory was 121.7MB in the beginning and 154.3MB in the end (delta: -32.6MB). Peak memory consumption was 62.1MB. Max. memory is 16.1GB. * CodeCheck took 505.73ms. Allocated memory is still 203.4MB. Free memory was 154.3MB in the beginning and 133.2MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 4.31ms. Allocated memory is still 203.4MB. Free memory was 133.2MB in the beginning and 132.3MB in the end (delta: 916.3kB). 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~nondet6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short29 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 02:42:23,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/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_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/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_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0730c.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/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_462442c7-d834-4e15-8a2e-658ecf6bb90b/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 f8c3d6863785ed03feeabfa34c0c11607b9ab236b069ea505eed9d256d26078d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:42:26,247 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:42:26,322 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 02:42:26,370 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:42:26,371 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:42:26,372 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:42:26,373 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:42:26,374 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:42:26,375 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:42:26,382 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:42:26,382 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:42:26,383 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:42:26,383 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:42:26,385 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:42:26,386 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:42:26,386 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:42:26,386 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:42:26,387 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:42:26,387 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:42:26,389 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:42:26,389 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:42:26,390 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:42:26,390 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:42:26,390 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:42:26,391 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:42:26,391 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:42:26,392 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:42:26,392 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:42:26,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:42:26,393 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:42:26,394 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:42:26,394 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:42:26,395 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:42:26,395 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:42:26,395 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:42:26,396 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:42:26,396 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:42:26,396 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_462442c7-d834-4e15-8a2e-658ecf6bb90b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8c3d6863785ed03feeabfa34c0c11607b9ab236b069ea505eed9d256d26078d [2023-11-19 02:42:26,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:42:26,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:42:26,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:42:26,803 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:42:26,803 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:42:26,805 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/double_req_bl_0730c.c [2023-11-19 02:42:30,057 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:42:30,366 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:42:30,373 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/sv-benchmarks/c/float-newlib/double_req_bl_0730c.c [2023-11-19 02:42:30,384 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/data/cf98f4a3d/51554e5e65024c8f85c6b4fea50c4cfc/FLAGfb4d9f529 [2023-11-19 02:42:30,404 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/data/cf98f4a3d/51554e5e65024c8f85c6b4fea50c4cfc [2023-11-19 02:42:30,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:42:30,412 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:42:30,419 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:42:30,419 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:42:30,424 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:42:30,425 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:42:30" (1/1) ... [2023-11-19 02:42:30,428 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@edaedf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:30, skipping insertion in model container [2023-11-19 02:42:30,428 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:42:30" (1/1) ... [2023-11-19 02:42:30,464 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:42:30,731 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_462442c7-d834-4e15-8a2e-658ecf6bb90b/sv-benchmarks/c/float-newlib/double_req_bl_0730c.c[3223,3236] [2023-11-19 02:42:30,735 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:42:30,751 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:42:30,803 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_462442c7-d834-4e15-8a2e-658ecf6bb90b/sv-benchmarks/c/float-newlib/double_req_bl_0730c.c[3223,3236] [2023-11-19 02:42:30,804 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:42:30,831 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:42:30,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:30 WrapperNode [2023-11-19 02:42:30,832 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:42:30,833 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:42:30,834 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:42:30,834 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:42:30,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:30" (1/1) ... [2023-11-19 02:42:30,858 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:30" (1/1) ... [2023-11-19 02:42:30,888 INFO L138 Inliner]: procedures = 20, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 182 [2023-11-19 02:42:30,888 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:42:30,889 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:42:30,889 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:42:30,890 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:42:30,898 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:30" (1/1) ... [2023-11-19 02:42:30,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:30" (1/1) ... [2023-11-19 02:42:30,907 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:30" (1/1) ... [2023-11-19 02:42:30,911 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:30" (1/1) ... [2023-11-19 02:42:30,931 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:30" (1/1) ... [2023-11-19 02:42:30,951 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:30" (1/1) ... [2023-11-19 02:42:30,954 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:30" (1/1) ... [2023-11-19 02:42:30,965 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:30" (1/1) ... [2023-11-19 02:42:30,970 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:42:30,978 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:42:30,979 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:42:30,979 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:42:30,980 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:30" (1/1) ... [2023-11-19 02:42:30,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:42:31,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:42:31,020 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:42:31,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:42:31,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:42:31,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-19 02:42:31,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-19 02:42:31,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:42:31,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:42:31,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 02:42:31,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:42:31,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:42:31,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 02:42:31,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:42:31,189 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:42:31,191 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:42:36,268 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:42:36,475 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:42:36,475 INFO L302 CfgBuilder]: Removed 10 assume(true) statements. [2023-11-19 02:42:36,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:42:36 BoogieIcfgContainer [2023-11-19 02:42:36,482 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:42:36,483 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:42:36,483 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:42:36,493 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:42:36,494 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:42:36" (1/1) ... [2023-11-19 02:42:36,504 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:42:36,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:42:36,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-11-19 02:42:36,573 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-11-19 02:42:36,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:42:36,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:42:36,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:42:36,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:42:36,583 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:42:36,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 02:42:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:42:36,832 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:42:36,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:42:36,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:42:36,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:42:36,892 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 02:42:36,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 02:42:36,902 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 02:42:36,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:42:36,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2023-11-19 02:42:36,951 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2023-11-19 02:42:36,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:42:36,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:42:36,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:42:36,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:42:36,953 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:42:36,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 02:42:37,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:42:37,610 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:42:37,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:42:37,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:42:37,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:42:38,023 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 02:42:38,029 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 02:42:38,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 02:42:42,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-19 02:42:42,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:42:42,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2023-11-19 02:42:42,733 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2023-11-19 02:42:42,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:42:42,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:42:42,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:42:42,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:42:42,735 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:42:42,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 02:42:43,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:42:43,030 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:42:43,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:42:43,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:42:43,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:42:43,414 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 02:42:43,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-19 02:42:47,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:42:57,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.39s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-19 02:43:01,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-19 02:43:01,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:01,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2023-11-19 02:43:01,983 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2023-11-19 02:43:01,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:43:01,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:01,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:43:01,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:43:01,988 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:43:02,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-19 02:43:03,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:03,058 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:43:03,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:03,433 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:43:03,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:03,739 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 02:43:03,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-19 02:43:08,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.89s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-19 02:43:09,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:09,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2023-11-19 02:43:09,005 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2023-11-19 02:43:09,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:43:09,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:09,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:43:09,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:43:09,008 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:43:09,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-19 02:43:09,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:09,237 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:43:09,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:09,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:43:09,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:09,266 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 02:43:09,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-19 02:43:09,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:09,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2023-11-19 02:43:09,281 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2023-11-19 02:43:09,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:43:09,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:09,283 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:43:09,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:43:09,284 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:43:09,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-19 02:43:09,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:09,710 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:43:09,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:09,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 02:43:09,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:10,874 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 02:43:10,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-11-19 02:43:13,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:13,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 44 transitions. [2023-11-19 02:43:13,299 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2023-11-19 02:43:13,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:43:13,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:13,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:43:13,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:43:13,302 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:43:13,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-19 02:43:13,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:13,593 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:43:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:13,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:43:13,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:13,650 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 02:43:13,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-11-19 02:43:14,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:14,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 42 transitions. [2023-11-19 02:43:14,183 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2023-11-19 02:43:14,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:43:14,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:14,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:43:14,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:43:14,187 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:43:14,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-19 02:43:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:14,468 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:43:14,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:14,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:43:14,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:14,866 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 02:43:14,869 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (9)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 02:43:14,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-11-19 02:43:15,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:15,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2023-11-19 02:43:15,317 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2023-11-19 02:43:15,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:43:15,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:15,318 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:43:15,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:43:15,323 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:43:15,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-19 02:43:15,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:15,649 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:43:15,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:15,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:43:15,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:16,754 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:43:16,759 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (10)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 02:43:16,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462442c7-d834-4e15-8a2e-658ecf6bb90b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0