./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1131b.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_c4de857c-9280-4d77-874b-e8ec3a5d1563/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de857c-9280-4d77-874b-e8ec3a5d1563/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_c4de857c-9280-4d77-874b-e8ec3a5d1563/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de857c-9280-4d77-874b-e8ec3a5d1563/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1131b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de857c-9280-4d77-874b-e8ec3a5d1563/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_c4de857c-9280-4d77-874b-e8ec3a5d1563/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 13787d2cb5ffea0911ec7bb9f969ca72234ab27d7c89c5aec775ef624e14d583 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:03:14,287 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:03:14,363 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de857c-9280-4d77-874b-e8ec3a5d1563/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:03:14,369 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:03:14,369 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:03:14,393 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:03:14,394 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:03:14,394 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:03:14,395 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:03:14,395 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:03:14,396 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:03:14,397 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:03:14,397 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:03:14,398 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:03:14,398 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:03:14,399 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:03:14,399 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:03:14,400 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:03:14,400 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:03:14,401 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:03:14,401 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:03:14,402 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:03:14,403 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:03:14,403 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:03:14,403 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:03:14,404 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:03:14,404 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:03:14,405 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:03:14,405 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:03:14,406 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:03:14,406 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:03:14,407 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:03:14,407 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:03:14,407 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_c4de857c-9280-4d77-874b-e8ec3a5d1563/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de857c-9280-4d77-874b-e8ec3a5d1563/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13787d2cb5ffea0911ec7bb9f969ca72234ab27d7c89c5aec775ef624e14d583 [2023-11-19 04:03:14,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:03:14,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:03:14,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:03:14,687 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:03:14,688 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:03:14,689 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de857c-9280-4d77-874b-e8ec3a5d1563/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/float_req_bl_1131b.c [2023-11-19 04:03:17,872 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:03:18,196 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:03:18,199 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de857c-9280-4d77-874b-e8ec3a5d1563/sv-benchmarks/c/float-newlib/float_req_bl_1131b.c [2023-11-19 04:03:18,213 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de857c-9280-4d77-874b-e8ec3a5d1563/bin/ukojak-verify-G8NBE6pJGL/data/2b4f69ecf/52d50552a7c34623a6d60a67c84c973c/FLAG07de673f4 [2023-11-19 04:03:18,237 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de857c-9280-4d77-874b-e8ec3a5d1563/bin/ukojak-verify-G8NBE6pJGL/data/2b4f69ecf/52d50552a7c34623a6d60a67c84c973c [2023-11-19 04:03:18,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:03:18,253 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:03:18,258 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:03:18,258 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:03:18,264 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:03:18,265 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:03:18" (1/1) ... [2023-11-19 04:03:18,268 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2263e1fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:18, skipping insertion in model container [2023-11-19 04:03:18,268 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:03:18" (1/1) ... [2023-11-19 04:03:18,310 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:03:18,589 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_c4de857c-9280-4d77-874b-e8ec3a5d1563/sv-benchmarks/c/float-newlib/float_req_bl_1131b.c[2947,2960] [2023-11-19 04:03:18,595 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:03:18,614 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:03:18,655 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_c4de857c-9280-4d77-874b-e8ec3a5d1563/sv-benchmarks/c/float-newlib/float_req_bl_1131b.c[2947,2960] [2023-11-19 04:03:18,656 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:03:18,698 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:03:18,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:18 WrapperNode [2023-11-19 04:03:18,699 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:03:18,700 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:03:18,701 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:03:18,701 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:03:18,710 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:18" (1/1) ... [2023-11-19 04:03:18,724 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:18" (1/1) ... [2023-11-19 04:03:18,769 INFO L138 Inliner]: procedures = 18, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 265 [2023-11-19 04:03:18,770 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:03:18,771 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:03:18,771 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:03:18,771 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:03:18,783 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:18" (1/1) ... [2023-11-19 04:03:18,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:18" (1/1) ... [2023-11-19 04:03:18,790 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:18" (1/1) ... [2023-11-19 04:03:18,790 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:18" (1/1) ... [2023-11-19 04:03:18,812 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:18" (1/1) ... [2023-11-19 04:03:18,819 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:18" (1/1) ... [2023-11-19 04:03:18,822 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:18" (1/1) ... [2023-11-19 04:03:18,824 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:18" (1/1) ... [2023-11-19 04:03:18,829 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:03:18,831 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:03:18,831 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:03:18,831 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:03:18,832 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:18" (1/1) ... [2023-11-19 04:03:18,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:03:18,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de857c-9280-4d77-874b-e8ec3a5d1563/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:03:18,880 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de857c-9280-4d77-874b-e8ec3a5d1563/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:03:18,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de857c-9280-4d77-874b-e8ec3a5d1563/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:03:18,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:03:18,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:03:18,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:03:18,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:03:18,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 04:03:18,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 04:03:18,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:03:18,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:03:18,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:03:18,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-19 04:03:18,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:03:19,037 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:03:19,040 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:03:19,520 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:03:19,848 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:03:19,848 INFO L302 CfgBuilder]: Removed 14 assume(true) statements. [2023-11-19 04:03:19,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:03:19 BoogieIcfgContainer [2023-11-19 04:03:19,856 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:03:19,858 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:03:19,858 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:03:19,874 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:03:19,874 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:03:19" (1/1) ... [2023-11-19 04:03:19,888 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:03:19,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:20,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2023-11-19 04:03:20,001 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2023-11-19 04:03:20,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:03:20,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:20,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:20,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:20,253 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 04:03:20,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:20,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 39 states and 57 transitions. [2023-11-19 04:03:20,308 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 57 transitions. [2023-11-19 04:03:20,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:03:20,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:20,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:20,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:03:20,557 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:03:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:03:20,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:03:20,887 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:03:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:03:20,967 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 04:03:21,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:03:21 ImpRootNode [2023-11-19 04:03:21,027 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:03:21,028 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:03:21,028 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:03:21,028 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:03:21,029 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:03:19" (3/4) ... [2023-11-19 04:03:21,031 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:03:21,032 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:03:21,034 INFO L158 Benchmark]: Toolchain (without parser) took 2780.81ms. Allocated memory was 184.5MB in the beginning and 228.6MB in the end (delta: 44.0MB). Free memory was 142.8MB in the beginning and 166.6MB in the end (delta: -23.9MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2023-11-19 04:03:21,034 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 184.5MB. Free memory was 153.7MB in the beginning and 153.5MB in the end (delta: 218.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:03:21,035 INFO L158 Benchmark]: CACSL2BoogieTranslator took 441.58ms. Allocated memory is still 184.5MB. Free memory was 142.8MB in the beginning and 129.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:03:21,036 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.49ms. Allocated memory is still 184.5MB. Free memory was 129.7MB in the beginning and 127.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:03:21,037 INFO L158 Benchmark]: Boogie Preprocessor took 58.99ms. Allocated memory is still 184.5MB. Free memory was 127.2MB in the beginning and 125.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:03:21,037 INFO L158 Benchmark]: RCFGBuilder took 1025.97ms. Allocated memory is still 184.5MB. Free memory was 125.1MB in the beginning and 79.9MB in the end (delta: 45.2MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-19 04:03:21,038 INFO L158 Benchmark]: CodeCheck took 1169.42ms. Allocated memory was 184.5MB in the beginning and 228.6MB in the end (delta: 44.0MB). Free memory was 79.9MB in the beginning and 166.6MB in the end (delta: -86.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:03:21,039 INFO L158 Benchmark]: Witness Printer took 5.04ms. Allocated memory is still 228.6MB. Free memory is still 166.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:03:21,043 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, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 19 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, 19 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 82 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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: 137]: 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 136, overapproximation of bitwiseOr at line 33, overapproximation of someUnaryDOUBLEoperation at line 16, overapproximation of someBinaryArithmeticFLOAToperation at line 37. Possible FailurePath: [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L128] float x = __VERIFIER_nondet_float(); [L129] float y = -1.0f / 0.0f; [L131] CALL isfinite_float(x) [L111] __int32_t ix; VAL [Zero_fmod={4:0}, \old(x)=5, one_fmod=1, x=5] [L113] ieee_float_shape_type gf_u; [L114] EXPR gf_u.value = (x) [L115] EXPR gf_u.word [L115] EXPR (ix) = gf_u.word [L112-L116] { ieee_float_shape_type gf_u; gf_u.value = (x); (ix) = gf_u.word; } VAL [Zero_fmod={4:0}, \old(x)=5, ix=0, one_fmod=1, x=5] [L117] ix &= 0x7fffffff [L118] return (((ix) < 0x7f800000L)); [L131] RET isfinite_float(x) [L131] COND TRUE isfinite_float(x) [L133] CALL, EXPR fmod_float(x, y) [L20] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [Zero_fmod={4:0}, \old(x)=5, \old(y)=2, one_fmod=1, x=5, y=2] [L23] ieee_float_shape_type gf_u; [L24] EXPR gf_u.value = (x) [L25] EXPR gf_u.word [L25] EXPR (hx) = gf_u.word [L22-L26] { ieee_float_shape_type gf_u; gf_u.value = (x); (hx) = gf_u.word; } VAL [Zero_fmod={4:0}, \old(x)=5, \old(y)=2, hx=0, one_fmod=1, x=5, y=2] [L28] ieee_float_shape_type gf_u; [L29] EXPR gf_u.value = (y) [L30] EXPR gf_u.word [L30] EXPR (hy) = gf_u.word [L27-L31] { ieee_float_shape_type gf_u; gf_u.value = (y); (hy) = gf_u.word; } VAL [Zero_fmod={4:0}, \old(x)=5, \old(y)=2, hx=0, hy=2139095041, one_fmod=1, x=5, y=2] [L32] sx = hx & 0x80000000 [L33] hx ^= sx [L34] hy &= 0x7fffffff VAL [Zero_fmod={4:0}, \old(x)=5, \old(y)=2, hx=0, hy=2139095041, one_fmod=1, sx=0, x=5, y=2] [L36] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L37] return (x * y) / (x * y); VAL [Zero_fmod={4:0}, \old(x)=5, \old(y)=2, hx=0, hy=2139095041, one_fmod=1, sx=0, x=5, y=2] [L133] RET, EXPR fmod_float(x, y) [L133] float res = fmod_float(x, y); [L136] COND TRUE res != x VAL [Zero_fmod={4:0}, one_fmod=1, res=10, x=5, y=2] [L137] reach_error() VAL [Zero_fmod={4:0}, one_fmod=1, res=10, x=5, y=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 184.5MB. Free memory was 153.7MB in the beginning and 153.5MB in the end (delta: 218.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 441.58ms. Allocated memory is still 184.5MB. Free memory was 142.8MB in the beginning and 129.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.49ms. Allocated memory is still 184.5MB. Free memory was 129.7MB in the beginning and 127.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.99ms. Allocated memory is still 184.5MB. Free memory was 127.2MB in the beginning and 125.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1025.97ms. Allocated memory is still 184.5MB. Free memory was 125.1MB in the beginning and 79.9MB in the end (delta: 45.2MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * CodeCheck took 1169.42ms. Allocated memory was 184.5MB in the beginning and 228.6MB in the end (delta: 44.0MB). Free memory was 79.9MB in the beginning and 166.6MB in the end (delta: -86.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.04ms. Allocated memory is still 228.6MB. Free memory is still 166.6MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 04:03:21,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de857c-9280-4d77-874b-e8ec3a5d1563/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de857c-9280-4d77-874b-e8ec3a5d1563/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de857c-9280-4d77-874b-e8ec3a5d1563/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_c4de857c-9280-4d77-874b-e8ec3a5d1563/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de857c-9280-4d77-874b-e8ec3a5d1563/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1131b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de857c-9280-4d77-874b-e8ec3a5d1563/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_c4de857c-9280-4d77-874b-e8ec3a5d1563/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 13787d2cb5ffea0911ec7bb9f969ca72234ab27d7c89c5aec775ef624e14d583 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:03:24,093 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:03:24,183 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de857c-9280-4d77-874b-e8ec3a5d1563/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 04:03:24,243 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:03:24,245 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:03:24,246 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:03:24,247 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:03:24,248 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:03:24,249 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:03:24,250 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:03:24,251 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:03:24,251 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:03:24,254 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:03:24,255 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:03:24,256 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:03:24,256 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:03:24,257 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:03:24,257 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:03:24,258 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:03:24,259 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:03:24,259 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:03:24,260 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:03:24,260 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:03:24,261 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:03:24,262 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:03:24,262 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:03:24,263 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:03:24,263 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:03:24,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:03:24,264 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:03:24,265 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:03:24,265 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:03:24,266 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:03:24,266 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:03:24,267 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:03:24,267 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:03:24,268 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:03:24,268 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_c4de857c-9280-4d77-874b-e8ec3a5d1563/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de857c-9280-4d77-874b-e8ec3a5d1563/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13787d2cb5ffea0911ec7bb9f969ca72234ab27d7c89c5aec775ef624e14d583 [2023-11-19 04:03:24,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:03:24,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:03:24,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:03:24,846 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:03:24,846 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:03:24,849 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de857c-9280-4d77-874b-e8ec3a5d1563/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/float_req_bl_1131b.c [2023-11-19 04:03:28,306 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:03:28,538 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:03:28,539 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de857c-9280-4d77-874b-e8ec3a5d1563/sv-benchmarks/c/float-newlib/float_req_bl_1131b.c [2023-11-19 04:03:28,547 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de857c-9280-4d77-874b-e8ec3a5d1563/bin/ukojak-verify-G8NBE6pJGL/data/4660dd681/b3d32955c7ef41b789e2e073bf719466/FLAG6cdb2a6fd [2023-11-19 04:03:28,563 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de857c-9280-4d77-874b-e8ec3a5d1563/bin/ukojak-verify-G8NBE6pJGL/data/4660dd681/b3d32955c7ef41b789e2e073bf719466 [2023-11-19 04:03:28,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:03:28,567 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:03:28,569 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:03:28,569 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:03:28,574 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:03:28,575 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:03:28" (1/1) ... [2023-11-19 04:03:28,576 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57785369 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:28, skipping insertion in model container [2023-11-19 04:03:28,576 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:03:28" (1/1) ... [2023-11-19 04:03:28,601 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:03:28,902 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_c4de857c-9280-4d77-874b-e8ec3a5d1563/sv-benchmarks/c/float-newlib/float_req_bl_1131b.c[2947,2960] [2023-11-19 04:03:28,915 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:03:28,940 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:03:29,019 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_c4de857c-9280-4d77-874b-e8ec3a5d1563/sv-benchmarks/c/float-newlib/float_req_bl_1131b.c[2947,2960] [2023-11-19 04:03:29,023 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:03:29,048 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:03:29,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:29 WrapperNode [2023-11-19 04:03:29,049 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:03:29,051 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:03:29,051 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:03:29,051 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:03:29,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:29" (1/1) ... [2023-11-19 04:03:29,093 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:29" (1/1) ... [2023-11-19 04:03:29,145 INFO L138 Inliner]: procedures = 21, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 189 [2023-11-19 04:03:29,148 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:03:29,149 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:03:29,149 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:03:29,149 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:03:29,161 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:29" (1/1) ... [2023-11-19 04:03:29,162 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:29" (1/1) ... [2023-11-19 04:03:29,179 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:29" (1/1) ... [2023-11-19 04:03:29,191 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:29" (1/1) ... [2023-11-19 04:03:29,204 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:29" (1/1) ... [2023-11-19 04:03:29,223 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:29" (1/1) ... [2023-11-19 04:03:29,229 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:29" (1/1) ... [2023-11-19 04:03:29,238 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:29" (1/1) ... [2023-11-19 04:03:29,243 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:03:29,249 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:03:29,250 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:03:29,250 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:03:29,254 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:29" (1/1) ... [2023-11-19 04:03:29,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:03:29,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de857c-9280-4d77-874b-e8ec3a5d1563/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:03:29,301 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de857c-9280-4d77-874b-e8ec3a5d1563/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:03:29,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de857c-9280-4d77-874b-e8ec3a5d1563/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:03:29,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:03:29,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-19 04:03:29,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:03:29,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:03:29,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-19 04:03:29,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 04:03:29,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:03:29,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:03:29,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-19 04:03:29,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 04:03:29,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:03:29,504 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:03:29,507 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:03:34,815 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:03:34,910 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:03:34,910 INFO L302 CfgBuilder]: Removed 14 assume(true) statements. [2023-11-19 04:03:34,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:03:34 BoogieIcfgContainer [2023-11-19 04:03:34,916 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:03:34,918 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:03:34,918 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:03:34,931 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:03:34,931 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:03:34" (1/1) ... [2023-11-19 04:03:34,943 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:03:35,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:35,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2023-11-19 04:03:35,010 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2023-11-19 04:03:35,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:03:35,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:35,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:03:35,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de857c-9280-4d77-874b-e8ec3a5d1563/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:03:35,018 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de857c-9280-4d77-874b-e8ec3a5d1563/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:03:35,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de857c-9280-4d77-874b-e8ec3a5d1563/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 04:03:35,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:35,215 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:03:35,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:35,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:03:35,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:35,278 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 04:03:35,281 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de857c-9280-4d77-874b-e8ec3a5d1563/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 04:03:35,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de857c-9280-4d77-874b-e8ec3a5d1563/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:03:35,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:35,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 39 states and 57 transitions. [2023-11-19 04:03:35,351 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 57 transitions. [2023-11-19 04:03:35,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:03:35,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:35,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:03:35,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de857c-9280-4d77-874b-e8ec3a5d1563/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:03:35,355 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de857c-9280-4d77-874b-e8ec3a5d1563/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:03:35,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de857c-9280-4d77-874b-e8ec3a5d1563/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 04:03:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:35,915 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:03:36,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:36,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 04:03:36,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:36,453 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 04:03:37,425 INFO L349 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2023-11-19 04:03:37,426 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 64 treesize of output 40 [2023-11-19 04:03:37,758 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:03:37,760 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2023-11-19 04:03:37,798 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-19 04:03:37,798 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 56 treesize of output 24 [2023-11-19 04:03:38,398 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 04:03:38,403 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de857c-9280-4d77-874b-e8ec3a5d1563/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 04:03:38,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de857c-9280-4d77-874b-e8ec3a5d1563/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 04:03:50,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-19 04:03:57,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.47s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-19 04:03:58,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:58,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 39 states and 56 transitions. [2023-11-19 04:03:58,181 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2023-11-19 04:03:58,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:03:58,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:58,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:03:58,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de857c-9280-4d77-874b-e8ec3a5d1563/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:03:58,184 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de857c-9280-4d77-874b-e8ec3a5d1563/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:03:58,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de857c-9280-4d77-874b-e8ec3a5d1563/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 04:03:58,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:58,613 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:03:58,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:58,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 04:03:58,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:58,964 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:03:58,966 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2023-11-19 04:04:00,746 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 04:04:00,750 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de857c-9280-4d77-874b-e8ec3a5d1563/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 04:04:00,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de857c-9280-4d77-874b-e8ec3a5d1563/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-19 04:04:16,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]