./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1052d.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/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_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1052d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/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_301920fa-32b0-439f-b4bf-2d5f297d4e2f/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 635f8984c4511856045f1e30e98d2922ab99db02463dd79a1ad0fa0289476012 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:35:41,737 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:35:41,863 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:35:41,871 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:35:41,872 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:35:41,902 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:35:41,903 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:35:41,903 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:35:41,905 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:35:41,905 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:35:41,906 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:35:41,907 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:35:41,908 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:35:41,908 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:35:41,909 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:35:41,910 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:35:41,910 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:35:41,911 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:35:41,911 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:35:41,912 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:35:41,913 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:35:41,913 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:35:41,914 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:35:41,915 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:35:41,915 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:35:41,916 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:35:41,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:35:41,917 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:35:41,917 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:35:41,918 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:35:41,918 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:35:41,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:35:41,919 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:35:41,919 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_301920fa-32b0-439f-b4bf-2d5f297d4e2f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 635f8984c4511856045f1e30e98d2922ab99db02463dd79a1ad0fa0289476012 [2023-11-19 03:35:42,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:35:42,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:35:42,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:35:42,269 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:35:42,269 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:35:42,271 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/float_req_bl_1052d.c [2023-11-19 03:35:45,628 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:35:45,918 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:35:45,920 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/sv-benchmarks/c/float-newlib/float_req_bl_1052d.c [2023-11-19 03:35:45,931 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/data/d3f9681f8/9ce253ab50bf4f7a9bab1a4683e8264d/FLAG3b4850d95 [2023-11-19 03:35:46,258 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/data/d3f9681f8/9ce253ab50bf4f7a9bab1a4683e8264d [2023-11-19 03:35:46,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:35:46,270 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:35:46,271 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:35:46,271 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:35:46,278 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:35:46,282 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:35:46" (1/1) ... [2023-11-19 03:35:46,285 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@514186b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:46, skipping insertion in model container [2023-11-19 03:35:46,285 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:35:46" (1/1) ... [2023-11-19 03:35:46,318 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:35:46,622 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_301920fa-32b0-439f-b4bf-2d5f297d4e2f/sv-benchmarks/c/float-newlib/float_req_bl_1052d.c[1740,1753] [2023-11-19 03:35:46,628 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:35:46,642 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:35:46,673 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_301920fa-32b0-439f-b4bf-2d5f297d4e2f/sv-benchmarks/c/float-newlib/float_req_bl_1052d.c[1740,1753] [2023-11-19 03:35:46,675 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:35:46,691 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:35:46,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:46 WrapperNode [2023-11-19 03:35:46,692 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:35:46,693 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:35:46,694 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:35:46,694 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:35:46,703 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:46" (1/1) ... [2023-11-19 03:35:46,713 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:46" (1/1) ... [2023-11-19 03:35:46,749 INFO L138 Inliner]: procedures = 16, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 121 [2023-11-19 03:35:46,755 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:35:46,756 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:35:46,756 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:35:46,756 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:35:46,768 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:46" (1/1) ... [2023-11-19 03:35:46,768 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:46" (1/1) ... [2023-11-19 03:35:46,772 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:46" (1/1) ... [2023-11-19 03:35:46,773 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:46" (1/1) ... [2023-11-19 03:35:46,781 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:46" (1/1) ... [2023-11-19 03:35:46,786 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:46" (1/1) ... [2023-11-19 03:35:46,788 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:46" (1/1) ... [2023-11-19 03:35:46,790 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:46" (1/1) ... [2023-11-19 03:35:46,794 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:35:46,795 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:35:46,796 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:35:46,796 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:35:46,797 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:46" (1/1) ... [2023-11-19 03:35:46,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:35:46,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:35:46,849 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:35:46,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:35:46,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:35:46,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:35:46,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:35:46,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 03:35:46,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:35:46,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 03:35:46,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:35:46,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:35:46,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:35:46,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:35:47,070 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:35:47,076 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:35:47,431 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:35:47,634 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:35:47,634 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 03:35:47,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:35:47 BoogieIcfgContainer [2023-11-19 03:35:47,642 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:35:47,644 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:35:47,644 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:35:47,657 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:35:47,658 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:35:47" (1/1) ... [2023-11-19 03:35:47,669 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:35:47,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:47,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2023-11-19 03:35:47,767 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2023-11-19 03:35:47,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:35:47,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:47,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:47,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:48,021 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 03:35:48,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:48,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2023-11-19 03:35:48,069 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2023-11-19 03:35:48,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:35:48,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:48,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:48,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:35:48,160 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:35:48,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:35:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:35:48,299 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:35:48,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:35:48,349 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 03:35:48,386 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short13 could not be translated [2023-11-19 03:35:48,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:35:48 ImpRootNode [2023-11-19 03:35:48,395 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:35:48,396 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:35:48,396 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:35:48,397 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:35:48,397 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:35:47" (3/4) ... [2023-11-19 03:35:48,406 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:35:48,407 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:35:48,409 INFO L158 Benchmark]: Toolchain (without parser) took 2138.81ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 121.8MB in the beginning and 145.3MB in the end (delta: -23.4MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2023-11-19 03:35:48,410 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 159.4MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:35:48,411 INFO L158 Benchmark]: CACSL2BoogieTranslator took 421.36ms. Allocated memory is still 159.4MB. Free memory was 121.8MB in the beginning and 110.6MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:35:48,412 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.83ms. Allocated memory is still 159.4MB. Free memory was 110.6MB in the beginning and 108.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:35:48,414 INFO L158 Benchmark]: Boogie Preprocessor took 38.56ms. Allocated memory is still 159.4MB. Free memory was 108.6MB in the beginning and 107.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:35:48,415 INFO L158 Benchmark]: RCFGBuilder took 847.27ms. Allocated memory is still 159.4MB. Free memory was 107.2MB in the beginning and 80.7MB in the end (delta: 26.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 03:35:48,423 INFO L158 Benchmark]: CodeCheck took 751.81ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 80.7MB in the beginning and 146.2MB in the end (delta: -65.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:35:48,424 INFO L158 Benchmark]: Witness Printer took 11.41ms. Allocated memory is still 192.9MB. Free memory is still 145.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:35:48,435 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, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 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, 12 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 55 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, 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: 82]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 81, overapproximation of someBinaryArithmeticFLOAToperation at line 46. Possible FailurePath: [L13] static const float huge_floor = 1.0e30; [L77] float x = 0.0f; [L78] CALL, EXPR floor_float(x) [L16] __int32_t i0, j0; [L17] __uint32_t i, ix; VAL [\old(x)=0, huge_floor=1000000000000000000000000000000, x=0] [L19] ieee_float_shape_type gf_u; [L20] EXPR gf_u.value = (x) [L21] EXPR gf_u.word [L21] EXPR (i0) = gf_u.word [L18-L22] { ieee_float_shape_type gf_u; gf_u.value = (x); (i0) = gf_u.word; } VAL [\old(x)=0, huge_floor=1000000000000000000000000000000, i0=2139095039, x=0] [L23] ix = (i0 & 0x7fffffff) [L24] j0 = (ix >> 23) - 0x7f VAL [\old(x)=0, huge_floor=1000000000000000000000000000000, i0=2139095039, i=2139095039, j0=127, x=0] [L25] COND FALSE !(j0 < 23) [L45] COND FALSE !(!((ix) < 0x7f800000L)) [L48] return x; VAL [\old(x)=0, \result=0, huge_floor=1000000000000000000000000000000, i0=2139095039, i=2139095039, j0=127, x=0] [L78] RET, EXPR floor_float(x) [L78] float res = floor_float(x); [L81] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [huge_floor=1000000000000000000000000000000, res=0, x=0] [L81] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L82] reach_error() VAL [huge_floor=1000000000000000000000000000000, res=0, x=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 159.4MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 421.36ms. Allocated memory is still 159.4MB. Free memory was 121.8MB in the beginning and 110.6MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.83ms. Allocated memory is still 159.4MB. Free memory was 110.6MB in the beginning and 108.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.56ms. Allocated memory is still 159.4MB. Free memory was 108.6MB in the beginning and 107.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 847.27ms. Allocated memory is still 159.4MB. Free memory was 107.2MB in the beginning and 80.7MB in the end (delta: 26.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 751.81ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 80.7MB in the beginning and 146.2MB in the end (delta: -65.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 11.41ms. Allocated memory is still 192.9MB. Free memory is still 145.3MB. 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~short13 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 03:35:48,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/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_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1052d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/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_301920fa-32b0-439f-b4bf-2d5f297d4e2f/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 635f8984c4511856045f1e30e98d2922ab99db02463dd79a1ad0fa0289476012 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:35:51,725 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:35:51,867 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:35:51,919 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:35:51,921 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:35:51,921 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:35:51,922 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:35:51,923 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:35:51,924 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:35:51,926 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:35:51,927 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:35:51,927 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:35:51,928 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:35:51,928 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:35:51,928 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:35:51,929 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:35:51,929 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:35:51,930 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:35:51,930 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:35:51,931 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:35:51,931 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:35:51,932 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:35:51,932 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:35:51,932 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:35:51,933 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:35:51,933 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:35:51,934 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:35:51,934 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:35:51,935 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:35:51,935 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:35:51,936 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:35:51,937 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:35:51,937 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:35:51,937 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:35:51,938 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:35:51,938 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:35:51,938 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:35:51,938 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_301920fa-32b0-439f-b4bf-2d5f297d4e2f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 635f8984c4511856045f1e30e98d2922ab99db02463dd79a1ad0fa0289476012 [2023-11-19 03:35:52,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:35:52,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:35:52,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:35:52,393 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:35:52,393 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:35:52,395 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/float_req_bl_1052d.c [2023-11-19 03:35:56,272 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:35:56,606 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:35:56,607 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/sv-benchmarks/c/float-newlib/float_req_bl_1052d.c [2023-11-19 03:35:56,619 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/data/2544a2f27/c2877137c2f341a3ac11b6e15db42950/FLAG14a6d70c9 [2023-11-19 03:35:56,640 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/data/2544a2f27/c2877137c2f341a3ac11b6e15db42950 [2023-11-19 03:35:56,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:35:56,650 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:35:56,654 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:35:56,655 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:35:56,661 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:35:56,662 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:35:56" (1/1) ... [2023-11-19 03:35:56,663 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75a65ce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:56, skipping insertion in model container [2023-11-19 03:35:56,663 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:35:56" (1/1) ... [2023-11-19 03:35:56,697 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:35:56,988 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_301920fa-32b0-439f-b4bf-2d5f297d4e2f/sv-benchmarks/c/float-newlib/float_req_bl_1052d.c[1740,1753] [2023-11-19 03:35:56,996 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:35:57,019 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:35:57,068 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_301920fa-32b0-439f-b4bf-2d5f297d4e2f/sv-benchmarks/c/float-newlib/float_req_bl_1052d.c[1740,1753] [2023-11-19 03:35:57,069 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:35:57,098 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:35:57,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:57 WrapperNode [2023-11-19 03:35:57,100 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:35:57,101 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:35:57,101 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:35:57,102 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:35:57,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:57" (1/1) ... [2023-11-19 03:35:57,145 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:57" (1/1) ... [2023-11-19 03:35:57,173 INFO L138 Inliner]: procedures = 19, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 98 [2023-11-19 03:35:57,173 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:35:57,174 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:35:57,174 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:35:57,175 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:35:57,194 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:57" (1/1) ... [2023-11-19 03:35:57,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:57" (1/1) ... [2023-11-19 03:35:57,200 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:57" (1/1) ... [2023-11-19 03:35:57,201 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:57" (1/1) ... [2023-11-19 03:35:57,223 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:57" (1/1) ... [2023-11-19 03:35:57,242 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:57" (1/1) ... [2023-11-19 03:35:57,245 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:57" (1/1) ... [2023-11-19 03:35:57,248 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:57" (1/1) ... [2023-11-19 03:35:57,253 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:35:57,280 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:35:57,280 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:35:57,281 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:35:57,282 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:57" (1/1) ... [2023-11-19 03:35:57,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:35:57,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:35:57,332 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:35:57,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:35:57,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:35:57,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:35:57,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:35:57,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-19 03:35:57,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:35:57,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:35:57,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:35:57,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-19 03:35:57,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:35:57,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:35:57,476 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:35:57,479 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:35:58,093 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:35:58,208 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:35:58,209 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 03:35:58,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:35:58 BoogieIcfgContainer [2023-11-19 03:35:58,214 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:35:58,216 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:35:58,216 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:35:58,226 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:35:58,227 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:35:58" (1/1) ... [2023-11-19 03:35:58,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:35:58,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:58,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2023-11-19 03:35:58,312 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2023-11-19 03:35:58,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:35:58,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:58,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:35:58,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:35:58,317 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:35:58,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:35:58,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:58,525 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:35:58,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:58,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:35:58,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:58,585 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 03:35:58,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:35:58,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:58,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2023-11-19 03:35:58,712 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2023-11-19 03:35:58,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:35:58,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:58,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:35:58,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:35:58,716 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:35:58,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:35:59,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:59,045 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:35:59,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:59,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:35:59,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:59,266 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-19 03:35:59,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-11-19 03:35:59,389 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 03:35:59,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 03:35:59,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:59,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2023-11-19 03:35:59,613 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2023-11-19 03:35:59,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:35:59,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:59,614 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:35:59,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:35:59,615 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:35:59,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 03:35:59,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:59,851 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:35:59,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:59,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:35:59,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:59,985 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 03:35:59,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-19 03:36:00,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:00,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2023-11-19 03:36:00,909 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2023-11-19 03:36:00,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:36:00,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:00,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:36:00,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:36:00,913 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:36:00,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-19 03:36:01,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:01,125 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:36:01,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:01,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:36:01,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:36:01,180 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 03:36:01,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-11-19 03:36:01,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:01,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2023-11-19 03:36:01,209 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2023-11-19 03:36:01,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:36:01,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:01,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:36:01,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:36:01,213 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:36:01,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-19 03:36:01,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:01,408 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:36:01,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:01,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:36:01,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:36:01,457 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 03:36:01,461 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:36:01,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-19 03:36:01,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:01,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2023-11-19 03:36:01,481 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2023-11-19 03:36:01,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:36:01,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:01,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:36:01,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:36:01,486 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:36:01,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-19 03:36:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:01,861 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:36:01,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:01,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:36:01,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:36:01,941 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-19 03:36:08,137 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 03:36:08,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-19 03:36:15,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-19 03:36:15,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:15,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 19 states and 18 transitions. [2023-11-19 03:36:15,349 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2023-11-19 03:36:15,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:36:15,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:15,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:36:15,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:36:15,353 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:36:15,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-19 03:36:15,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:15,709 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:36:15,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:15,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 03:36:15,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:36:15,813 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-19 03:36:16,476 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-19 03:36:16,476 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 38 [2023-11-19 03:36:21,264 INFO L349 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2023-11-19 03:36:21,265 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 31 [2023-11-19 03:36:21,279 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-19 03:36:21,280 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 39 [2023-11-19 03:36:21,580 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 03:36:21,585 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:36:21,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301920fa-32b0-439f-b4bf-2d5f297d4e2f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-11-19 03:36:31,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]