./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1232b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1232b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk --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 6764d5c0204d5929259e99bbe2407d8f2018e402cda704b63da836202ebf4e68 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:30:44,511 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:30:44,615 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:30:44,626 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:30:44,627 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:30:44,674 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:30:44,675 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:30:44,676 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:30:44,677 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:30:44,679 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:30:44,680 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:30:44,680 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:30:44,681 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:30:44,684 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:30:44,685 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:30:44,685 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:30:44,686 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:30:44,686 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:30:44,687 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:30:44,687 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:30:44,687 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:30:44,692 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:30:44,693 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:30:44,693 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:30:44,694 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:30:44,694 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:30:44,694 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:30:44,695 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:30:44,695 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:30:44,696 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:30:44,696 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:30:44,697 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:30:44,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:30:44,697 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_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6764d5c0204d5929259e99bbe2407d8f2018e402cda704b63da836202ebf4e68 [2024-11-08 22:30:45,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:30:45,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:30:45,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:30:45,132 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:30:45,132 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:30:45,134 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-newlib/float_req_bl_1232b.c Unable to find full path for "g++" [2024-11-08 22:30:47,405 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:30:47,654 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:30:47,656 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/sv-benchmarks/c/float-newlib/float_req_bl_1232b.c [2024-11-08 22:30:47,667 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/data/b55731054/43826ca357fc46caa21c9061d48d901e/FLAG06d28fe59 [2024-11-08 22:30:47,988 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/data/b55731054/43826ca357fc46caa21c9061d48d901e [2024-11-08 22:30:47,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:30:47,992 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:30:47,994 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:30:47,994 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:30:48,000 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:30:48,001 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:30:47" (1/1) ... [2024-11-08 22:30:48,002 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@270ce19c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:30:48, skipping insertion in model container [2024-11-08 22:30:48,002 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:30:47" (1/1) ... [2024-11-08 22:30:48,029 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:30:48,313 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/sv-benchmarks/c/float-newlib/float_req_bl_1232b.c[1657,1670] [2024-11-08 22:30:48,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:30:48,334 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:30:48,360 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/sv-benchmarks/c/float-newlib/float_req_bl_1232b.c[1657,1670] [2024-11-08 22:30:48,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:30:48,384 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:30:48,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:30:48 WrapperNode [2024-11-08 22:30:48,385 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:30:48,386 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:30:48,386 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:30:48,387 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:30:48,395 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:30:48" (1/1) ... [2024-11-08 22:30:48,404 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:30:48" (1/1) ... [2024-11-08 22:30:48,427 INFO L138 Inliner]: procedures = 18, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2024-11-08 22:30:48,427 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:30:48,428 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:30:48,429 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:30:48,429 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:30:48,442 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:30:48" (1/1) ... [2024-11-08 22:30:48,442 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:30:48" (1/1) ... [2024-11-08 22:30:48,445 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:30:48" (1/1) ... [2024-11-08 22:30:48,445 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:30:48" (1/1) ... [2024-11-08 22:30:48,453 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:30:48" (1/1) ... [2024-11-08 22:30:48,458 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:30:48" (1/1) ... [2024-11-08 22:30:48,460 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:30:48" (1/1) ... [2024-11-08 22:30:48,461 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:30:48" (1/1) ... [2024-11-08 22:30:48,464 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:30:48,465 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:30:48,465 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:30:48,465 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:30:48,466 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:30:48" (1/1) ... [2024-11-08 22:30:48,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:30:48,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:30:48,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:30:48,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:30:48,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:30:48,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:30:48,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:30:48,549 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2024-11-08 22:30:48,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2024-11-08 22:30:48,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-08 22:30:48,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:30:48,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:30:48,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 22:30:48,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:30:48,652 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:30:48,655 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:30:48,890 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-08 22:30:48,891 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:30:49,097 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:30:49,097 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-08 22:30:49,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:30:49 BoogieIcfgContainer [2024-11-08 22:30:49,098 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:30:49,099 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:30:49,099 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:30:49,113 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:30:49,114 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:30:49" (1/1) ... [2024-11-08 22:30:49,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:30:49,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:30:49,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-11-08 22:30:49,200 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-08 22:30:49,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:30:49,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:30:49,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:30:49,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:49,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:30:49,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:30:49,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2024-11-08 22:30:49,510 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2024-11-08 22:30:49,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:30:49,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:30:49,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:30:49,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:30:49,611 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:30:49,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:30:49,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:30:49,747 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:30:49,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:30:49,787 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 22:30:49,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:30:49 ImpRootNode [2024-11-08 22:30:49,828 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:30:49,829 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:30:49,829 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:30:49,829 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:30:49,830 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:30:49" (3/4) ... [2024-11-08 22:30:49,834 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:30:49,835 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:30:49,836 INFO L158 Benchmark]: Toolchain (without parser) took 1844.13ms. Allocated memory is still 165.7MB. Free memory was 124.9MB in the beginning and 65.4MB in the end (delta: 59.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-08 22:30:49,838 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 165.7MB. Free memory is still 139.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:30:49,839 INFO L158 Benchmark]: CACSL2BoogieTranslator took 391.51ms. Allocated memory is still 165.7MB. Free memory was 124.9MB in the beginning and 111.5MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:30:49,840 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.52ms. Allocated memory is still 165.7MB. Free memory was 111.5MB in the beginning and 110.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:30:49,841 INFO L158 Benchmark]: Boogie Preprocessor took 35.71ms. Allocated memory is still 165.7MB. Free memory was 110.2MB in the beginning and 108.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:30:49,841 INFO L158 Benchmark]: RCFGBuilder took 633.41ms. Allocated memory is still 165.7MB. Free memory was 108.8MB in the beginning and 88.5MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 22:30:49,844 INFO L158 Benchmark]: CodeCheck took 728.95ms. Allocated memory is still 165.7MB. Free memory was 88.5MB in the beginning and 66.2MB in the end (delta: 22.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-08 22:30:49,849 INFO L158 Benchmark]: Witness Printer took 6.67ms. Allocated memory is still 165.7MB. Free memory was 66.2MB in the beginning and 65.4MB in the end (delta: 740.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:30:49,854 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 16 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 72]: 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 71, overapproximation of someUnaryFLOAToperation at line 66. Possible FailurePath: [L66] float x = -0.0f; [L67] float y = 0.0f; [L68] CALL, EXPR fmin_float(x, y) [L38] CALL, EXPR __fpclassify_float(x) VAL [\old(x)=2] [L15] __uint32_t w; VAL [\old(x)=2, x=2] [L18] ieee_float_shape_type gf_u; [L19] gf_u.value = (x) [L20] EXPR gf_u.word [L20] (w) = gf_u.word [L23] COND FALSE !(w == 0x00000000 || w == 0x80000000) [L25-L26] COND FALSE !((w >= 0x00800000 && w <= 0x7f7fffff) || (w >= 0x80800000 && w <= 0xff7fffff)) [L28-L29] COND FALSE !((w >= 0x00000001 && w <= 0x007fffff) || (w >= 0x80000001 && w <= 0x807fffff)) [L31] COND FALSE !(w == 0x7f800000 || w == 0xff800000) [L34] return 0; [L38] RET, EXPR __fpclassify_float(x) VAL [x=2, y=0] [L38] COND TRUE __fpclassify_float(x) == 0 [L39] return y; VAL [\result=0, x=2] [L68] RET, EXPR fmin_float(x, y) [L68] float res = fmin_float(x, y); [L71] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [res=0] [L71] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L72] reach_error() VAL [res=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 165.7MB. Free memory is still 139.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 391.51ms. Allocated memory is still 165.7MB. Free memory was 124.9MB in the beginning and 111.5MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.52ms. Allocated memory is still 165.7MB. Free memory was 111.5MB in the beginning and 110.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.71ms. Allocated memory is still 165.7MB. Free memory was 110.2MB in the beginning and 108.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 633.41ms. Allocated memory is still 165.7MB. Free memory was 108.8MB in the beginning and 88.5MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 728.95ms. Allocated memory is still 165.7MB. Free memory was 88.5MB in the beginning and 66.2MB in the end (delta: 22.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 6.67ms. Allocated memory is still 165.7MB. Free memory was 66.2MB in the beginning and 65.4MB in the end (delta: 740.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:30:49,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1232b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk --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 6764d5c0204d5929259e99bbe2407d8f2018e402cda704b63da836202ebf4e68 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:30:52,458 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:30:52,566 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 22:30:52,616 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:30:52,617 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:30:52,618 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:30:52,618 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:30:52,619 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:30:52,620 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:30:52,621 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:30:52,621 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:30:52,622 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:30:52,622 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:30:52,625 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:30:52,625 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:30:52,626 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:30:52,626 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:30:52,627 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:30:52,627 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:30:52,627 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:30:52,628 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:30:52,631 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:30:52,632 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:30:52,632 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:30:52,632 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:30:52,633 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:30:52,633 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:30:52,633 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:30:52,634 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:30:52,634 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:30:52,634 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:30:52,635 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:30:52,637 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:30:52,637 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:30:52,638 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:30:52,638 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:30:52,639 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_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6764d5c0204d5929259e99bbe2407d8f2018e402cda704b63da836202ebf4e68 [2024-11-08 22:30:53,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:30:53,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:30:53,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:30:53,068 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:30:53,069 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:30:53,071 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-newlib/float_req_bl_1232b.c Unable to find full path for "g++" [2024-11-08 22:30:55,190 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:30:55,472 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:30:55,473 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/sv-benchmarks/c/float-newlib/float_req_bl_1232b.c [2024-11-08 22:30:55,481 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/data/5af544034/c05c6a33957a42f3982d98e6aa20f92e/FLAGda2c205bd [2024-11-08 22:30:55,496 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/data/5af544034/c05c6a33957a42f3982d98e6aa20f92e [2024-11-08 22:30:55,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:30:55,501 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:30:55,502 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:30:55,503 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:30:55,509 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:30:55,510 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:30:55" (1/1) ... [2024-11-08 22:30:55,511 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a39fa39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:30:55, skipping insertion in model container [2024-11-08 22:30:55,511 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:30:55" (1/1) ... [2024-11-08 22:30:55,538 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:30:55,809 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/sv-benchmarks/c/float-newlib/float_req_bl_1232b.c[1657,1670] [2024-11-08 22:30:55,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:30:55,836 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:30:55,878 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/sv-benchmarks/c/float-newlib/float_req_bl_1232b.c[1657,1670] [2024-11-08 22:30:55,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:30:55,909 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:30:55,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:30:55 WrapperNode [2024-11-08 22:30:55,910 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:30:55,911 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:30:55,912 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:30:55,912 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:30:55,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:30:55" (1/1) ... [2024-11-08 22:30:55,938 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:30:55" (1/1) ... [2024-11-08 22:30:55,964 INFO L138 Inliner]: procedures = 21, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2024-11-08 22:30:55,967 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:30:55,969 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:30:55,969 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:30:55,969 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:30:55,980 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:30:55" (1/1) ... [2024-11-08 22:30:55,982 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:30:55" (1/1) ... [2024-11-08 22:30:55,990 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:30:55" (1/1) ... [2024-11-08 22:30:55,990 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:30:55" (1/1) ... [2024-11-08 22:30:56,010 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:30:55" (1/1) ... [2024-11-08 22:30:56,018 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:30:55" (1/1) ... [2024-11-08 22:30:56,023 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:30:55" (1/1) ... [2024-11-08 22:30:56,025 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:30:55" (1/1) ... [2024-11-08 22:30:56,031 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:30:56,032 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:30:56,032 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:30:56,032 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:30:56,037 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:30:55" (1/1) ... [2024-11-08 22:30:56,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:30:56,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:30:56,076 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:30:56,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:30:56,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:30:56,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:30:56,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:30:56,127 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2024-11-08 22:30:56,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2024-11-08 22:30:56,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 22:30:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:30:56,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:30:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-08 22:30:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:30:56,338 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:30:56,341 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:30:56,669 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-08 22:30:56,669 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:30:56,806 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:30:56,807 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-08 22:30:56,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:30:56 BoogieIcfgContainer [2024-11-08 22:30:56,808 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:30:56,808 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:30:56,809 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:30:56,822 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:30:56,822 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:30:56" (1/1) ... [2024-11-08 22:30:56,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:30:56,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:30:56,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2024-11-08 22:30:56,899 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2024-11-08 22:30:56,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:30:56,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:30:56,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:30:56,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:30:56,905 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:30:56,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:30:57,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:57,092 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:30:57,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:57,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 22:30:57,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:30:57,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:30:57,185 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:30:57,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 22:30:57,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:30:57,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2024-11-08 22:30:57,240 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2024-11-08 22:30:57,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:30:57,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:30:57,242 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:30:57,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:30:57,246 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:30:57,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:30:57,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:57,438 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:30:57,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:57,477 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 22:30:57,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:30:57,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:30:57,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 22:30:57,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:30:57,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 27 transitions. [2024-11-08 22:30:57,733 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-11-08 22:30:57,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 22:30:57,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:30:57,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:30:57,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:30:57,740 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:30:57,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 22:30:57,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:57,900 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:30:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:57,948 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 22:30:57,949 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:30:57,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:30:57,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 22:30:57,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:30:57,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 25 transitions. [2024-11-08 22:30:57,975 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2024-11-08 22:30:57,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 22:30:57,978 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:30:57,978 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:30:57,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:30:57,981 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:30:57,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 22:30:58,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:58,220 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:30:58,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:58,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:30:58,272 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:30:58,396 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:30:58,399 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-08 22:31:00,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:31:00,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-08 22:31:01,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:31:01,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 24 transitions. [2024-11-08 22:31:01,296 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2024-11-08 22:31:01,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 22:31:01,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:31:01,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:31:01,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:31:01,302 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:31:01,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 22:31:01,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:31:01,587 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:31:01,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:31:01,624 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 22:31:01,628 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:31:01,650 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:31:01,651 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-08 22:31:02,747 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:31:02,748 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-08 22:31:03,787 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:31:03,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-08 22:31:04,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:31:04,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 20 states and 20 transitions. [2024-11-08 22:31:04,242 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2024-11-08 22:31:04,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 22:31:04,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:31:04,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:31:04,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:31:04,249 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:31:04,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a8bb43-df2b-4dbc-ab36-5da43fd527d4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 22:31:04,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:31:04,597 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:31:04,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat