./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0682a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/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_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0682a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/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_9598f1e7-790e-4260-891a-2598c62511db/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 2a0b335900eb7ac8340f6fa1728e72682341270c88357da83af9b58560bc536f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:05:32,462 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:05:32,566 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:05:32,571 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:05:32,574 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:05:32,600 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:05:32,601 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:05:32,602 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:05:32,602 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:05:32,603 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:05:32,603 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:05:32,604 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:05:32,604 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:05:32,607 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:05:32,607 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:05:32,608 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:05:32,608 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:05:32,608 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:05:32,609 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:05:32,609 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:05:32,610 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:05:32,610 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:05:32,610 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:05:32,611 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:05:32,611 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:05:32,611 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:05:32,612 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:05:32,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:32,612 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:05:32,613 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:05:32,613 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:05:32,613 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:05:32,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:05:32,614 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_9598f1e7-790e-4260-891a-2598c62511db/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a0b335900eb7ac8340f6fa1728e72682341270c88357da83af9b58560bc536f [2024-11-08 22:05:32,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:05:32,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:05:32,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:05:32,952 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:05:32,952 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:05:32,953 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-newlib/float_req_bl_0682a.c Unable to find full path for "g++" [2024-11-08 22:05:34,978 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:05:35,219 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:05:35,219 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/sv-benchmarks/c/float-newlib/float_req_bl_0682a.c [2024-11-08 22:05:35,229 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/data/5ed854522/f5325f4d698d4173a2fafef8c21c8840/FLAG88ddb8378 [2024-11-08 22:05:35,247 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/data/5ed854522/f5325f4d698d4173a2fafef8c21c8840 [2024-11-08 22:05:35,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:05:35,255 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:05:35,257 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:35,257 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:05:35,262 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:05:35,263 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:35" (1/1) ... [2024-11-08 22:05:35,267 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ae3d038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:35, skipping insertion in model container [2024-11-08 22:05:35,268 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:35" (1/1) ... [2024-11-08 22:05:35,307 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:05:35,607 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_9598f1e7-790e-4260-891a-2598c62511db/sv-benchmarks/c/float-newlib/float_req_bl_0682a.c[5568,5581] [2024-11-08 22:05:35,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:35,628 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:05:35,675 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_9598f1e7-790e-4260-891a-2598c62511db/sv-benchmarks/c/float-newlib/float_req_bl_0682a.c[5568,5581] [2024-11-08 22:05:35,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:35,701 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:05:35,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:35 WrapperNode [2024-11-08 22:05:35,702 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:35,703 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:35,703 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:05:35,703 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:05:35,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:35" (1/1) ... [2024-11-08 22:05:35,727 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:35" (1/1) ... [2024-11-08 22:05:35,777 INFO L138 Inliner]: procedures = 21, calls = 84, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 251 [2024-11-08 22:05:35,777 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:35,779 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:05:35,779 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:05:35,779 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:05:35,791 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:35" (1/1) ... [2024-11-08 22:05:35,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:35" (1/1) ... [2024-11-08 22:05:35,798 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:35" (1/1) ... [2024-11-08 22:05:35,799 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:35" (1/1) ... [2024-11-08 22:05:35,827 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:35" (1/1) ... [2024-11-08 22:05:35,836 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:35" (1/1) ... [2024-11-08 22:05:35,838 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:35" (1/1) ... [2024-11-08 22:05:35,841 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:35" (1/1) ... [2024-11-08 22:05:35,845 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:05:35,846 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:05:35,846 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:05:35,846 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:05:35,848 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:35" (1/1) ... [2024-11-08 22:05:35,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:35,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:05:35,897 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:05:35,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:05:35,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:05:35,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:05:35,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-08 22:05:35,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:05:35,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-08 22:05:35,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 22:05:35,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-08 22:05:35,939 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2024-11-08 22:05:35,939 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2024-11-08 22:05:35,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:05:35,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:05:35,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 22:05:35,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-08 22:05:35,940 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2024-11-08 22:05:35,940 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2024-11-08 22:05:35,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:05:36,094 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:05:36,096 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:05:36,788 INFO L? ?]: Removed 69 outVars from TransFormulas that were not future-live. [2024-11-08 22:05:36,788 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:05:37,026 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:05:37,029 INFO L316 CfgBuilder]: Removed 16 assume(true) statements. [2024-11-08 22:05:37,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:37 BoogieIcfgContainer [2024-11-08 22:05:37,030 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:05:37,031 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:05:37,031 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:05:37,044 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:05:37,044 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:37" (1/1) ... [2024-11-08 22:05:37,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:05:37,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:37,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 72 states and 117 transitions. [2024-11-08 22:05:37,177 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 117 transitions. [2024-11-08 22:05:37,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:05:37,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:37,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:37,573 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 22:05:37,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:37,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 72 states and 110 transitions. [2024-11-08 22:05:37,656 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 110 transitions. [2024-11-08 22:05:37,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 22:05:37,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:37,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:37,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:37,863 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:05:37,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:38,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:38,374 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:05:38,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:38,616 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 22:05:38,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:05:38 ImpRootNode [2024-11-08 22:05:38,655 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:05:38,656 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:05:38,656 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:05:38,656 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:05:38,657 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:37" (3/4) ... [2024-11-08 22:05:38,660 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:05:38,661 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:05:38,662 INFO L158 Benchmark]: Toolchain (without parser) took 3406.72ms. Allocated memory was 172.0MB in the beginning and 224.4MB in the end (delta: 52.4MB). Free memory was 137.4MB in the beginning and 134.6MB in the end (delta: 2.8MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. [2024-11-08 22:05:38,663 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 172.0MB. Free memory is still 114.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:38,663 INFO L158 Benchmark]: CACSL2BoogieTranslator took 445.58ms. Allocated memory is still 172.0MB. Free memory was 137.4MB in the beginning and 120.8MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 22:05:38,664 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.11ms. Allocated memory is still 172.0MB. Free memory was 120.8MB in the beginning and 118.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:05:38,664 INFO L158 Benchmark]: Boogie Preprocessor took 66.55ms. Allocated memory is still 172.0MB. Free memory was 118.5MB in the beginning and 115.9MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:05:38,665 INFO L158 Benchmark]: RCFGBuilder took 1184.23ms. Allocated memory was 172.0MB in the beginning and 224.4MB in the end (delta: 52.4MB). Free memory was 115.4MB in the beginning and 190.1MB in the end (delta: -74.7MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2024-11-08 22:05:38,666 INFO L158 Benchmark]: CodeCheck took 1624.52ms. Allocated memory is still 224.4MB. Free memory was 190.1MB in the beginning and 134.6MB in the end (delta: 55.5MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. [2024-11-08 22:05:38,666 INFO L158 Benchmark]: Witness Printer took 5.17ms. Allocated memory is still 224.4MB. Free memory is still 134.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:38,669 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 3 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 54 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.1s 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, 32 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 111 GetRequests, 111 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, 0.4s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 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: 244]: 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 243, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; [L236] float x = -1.0f / 0.0f; [L237] float y = __VERIFIER_nondet_float(); [L239] CALL, EXPR isfinite_float(y) [L219] __int32_t ix; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=3, zero_atan2=0] [L221] ieee_float_shape_type gf_u; [L222] gf_u.value = (x) [L223] EXPR gf_u.word [L223] (ix) = gf_u.word [L225] ix &= 0x7fffffff [L226] return (((ix) < 0x7f800000L)); [L239] RET, EXPR isfinite_float(y) [L239] COND TRUE isfinite_float(y) && y < 0.0f [L240] CALL, EXPR __ieee754_atan2f(y, x) [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=7, y=3, zero_atan2=0] [L125] ieee_float_shape_type gf_u; [L126] gf_u.value = (x) [L127] EXPR gf_u.word [L127] (hx) = gf_u.word [L129] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2147483647, ix=2147483647, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=7, y=3, zero_atan2=0] [L131] ieee_float_shape_type gf_u; [L132] gf_u.value = (y) [L133] EXPR gf_u.word [L133] (hy) = gf_u.word [L135] iy = hy & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2147483647, hy=1, ix=2147483647, iy=1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=7, y=3, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2147483647, hy=1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=7, y=3, zero_atan2=0] [L240] RET, EXPR __ieee754_atan2f(y, x) [L240] float res = __ieee754_atan2f(y, x); [L243] COND TRUE res != -pi VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L244] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 172.0MB. Free memory is still 114.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 445.58ms. Allocated memory is still 172.0MB. Free memory was 137.4MB in the beginning and 120.8MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.11ms. Allocated memory is still 172.0MB. Free memory was 120.8MB in the beginning and 118.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.55ms. Allocated memory is still 172.0MB. Free memory was 118.5MB in the beginning and 115.9MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1184.23ms. Allocated memory was 172.0MB in the beginning and 224.4MB in the end (delta: 52.4MB). Free memory was 115.4MB in the beginning and 190.1MB in the end (delta: -74.7MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. * CodeCheck took 1624.52ms. Allocated memory is still 224.4MB. Free memory was 190.1MB in the beginning and 134.6MB in the end (delta: 55.5MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. * Witness Printer took 5.17ms. Allocated memory is still 224.4MB. Free memory is still 134.6MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:05:38,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/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_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0682a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/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_9598f1e7-790e-4260-891a-2598c62511db/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 2a0b335900eb7ac8340f6fa1728e72682341270c88357da83af9b58560bc536f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:05:41,162 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:05:41,256 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 22:05:41,303 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:05:41,304 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:05:41,304 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:05:41,305 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:05:41,305 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:05:41,305 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:05:41,306 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:05:41,306 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:05:41,307 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:05:41,308 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:05:41,309 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:05:41,310 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:05:41,310 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:05:41,310 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:05:41,310 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:05:41,311 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:05:41,311 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:05:41,315 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:05:41,316 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:05:41,316 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:05:41,316 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:05:41,317 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:05:41,317 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:05:41,317 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:05:41,317 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:05:41,318 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:05:41,318 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:41,318 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:05:41,318 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:05:41,319 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:05:41,319 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:05:41,319 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:05:41,319 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:05:41,320 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_9598f1e7-790e-4260-891a-2598c62511db/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a0b335900eb7ac8340f6fa1728e72682341270c88357da83af9b58560bc536f [2024-11-08 22:05:41,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:05:41,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:05:41,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:05:41,738 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:05:41,739 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:05:41,740 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-newlib/float_req_bl_0682a.c Unable to find full path for "g++" [2024-11-08 22:05:43,949 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:05:44,174 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:05:44,175 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/sv-benchmarks/c/float-newlib/float_req_bl_0682a.c [2024-11-08 22:05:44,184 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/data/c76f20d93/69f89ac3e8174a4e91438b663c04c194/FLAG6946b420f [2024-11-08 22:05:44,198 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/data/c76f20d93/69f89ac3e8174a4e91438b663c04c194 [2024-11-08 22:05:44,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:05:44,206 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:05:44,207 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:44,207 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:05:44,212 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:05:44,213 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:44" (1/1) ... [2024-11-08 22:05:44,214 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5464e093 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:44, skipping insertion in model container [2024-11-08 22:05:44,214 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:44" (1/1) ... [2024-11-08 22:05:44,254 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:05:44,614 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_9598f1e7-790e-4260-891a-2598c62511db/sv-benchmarks/c/float-newlib/float_req_bl_0682a.c[5568,5581] [2024-11-08 22:05:44,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:44,665 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:05:44,752 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_9598f1e7-790e-4260-891a-2598c62511db/sv-benchmarks/c/float-newlib/float_req_bl_0682a.c[5568,5581] [2024-11-08 22:05:44,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:44,789 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:05:44,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:44 WrapperNode [2024-11-08 22:05:44,790 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:44,791 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:44,791 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:05:44,792 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:05:44,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:44" (1/1) ... [2024-11-08 22:05:44,824 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:44" (1/1) ... [2024-11-08 22:05:44,871 INFO L138 Inliner]: procedures = 24, calls = 84, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 235 [2024-11-08 22:05:44,871 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:44,872 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:05:44,873 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:05:44,874 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:05:44,883 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:44" (1/1) ... [2024-11-08 22:05:44,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:44" (1/1) ... [2024-11-08 22:05:44,892 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:44" (1/1) ... [2024-11-08 22:05:44,893 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:44" (1/1) ... [2024-11-08 22:05:44,910 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:44" (1/1) ... [2024-11-08 22:05:44,920 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:44" (1/1) ... [2024-11-08 22:05:44,927 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:44" (1/1) ... [2024-11-08 22:05:44,932 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:44" (1/1) ... [2024-11-08 22:05:44,941 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:05:44,942 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:05:44,945 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:05:44,946 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:05:44,947 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:44" (1/1) ... [2024-11-08 22:05:44,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:44,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:05:45,002 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:05:45,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:05:45,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:05:45,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-11-08 22:05:45,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:05:45,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:05:45,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-08 22:05:45,041 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2024-11-08 22:05:45,041 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2024-11-08 22:05:45,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 22:05:45,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-11-08 22:05:45,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:05:45,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:05:45,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-08 22:05:45,042 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2024-11-08 22:05:45,042 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2024-11-08 22:05:45,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-08 22:05:45,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:05:45,208 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:05:45,211 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:06:21,987 INFO L? ?]: Removed 79 outVars from TransFormulas that were not future-live. [2024-11-08 22:06:21,988 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:06:22,092 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:06:22,092 INFO L316 CfgBuilder]: Removed 16 assume(true) statements. [2024-11-08 22:06:22,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:06:22 BoogieIcfgContainer [2024-11-08 22:06:22,093 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:06:22,094 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:06:22,094 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:06:22,107 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:06:22,108 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:06:22" (1/1) ... [2024-11-08 22:06:22,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:06:22,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:22,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 72 states and 117 transitions. [2024-11-08 22:06:22,188 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 117 transitions. [2024-11-08 22:06:22,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:06:22,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:22,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:22,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:22,212 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:22,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:06:23,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:23,588 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:23,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:23,713 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 22:06:23,719 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:23,742 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 22:06:23,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:06:24,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:24,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 72 states and 110 transitions. [2024-11-08 22:06:24,584 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 110 transitions. [2024-11-08 22:06:24,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 22:06:24,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:24,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:24,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:24,589 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:24,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:06:27,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:27,926 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:28,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:28,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 22:06:28,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:28,625 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 [2024-11-08 22:06:29,514 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 22:06:29,515 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 52 treesize of output 32 [2024-11-08 22:06:29,622 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:06:29,623 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 40 treesize of output 28 [2024-11-08 22:06:31,020 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 22:06:31,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 22:06:34,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:34,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 72 states and 109 transitions. [2024-11-08 22:06:34,175 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 109 transitions. [2024-11-08 22:06:34,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 22:06:34,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:34,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:34,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:34,181 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:34,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 22:06:37,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:37,856 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:37,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:37,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:06:37,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:38,460 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:06:38,462 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-08 22:06:39,928 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 22:06:39,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:41,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:41,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 69 states and 102 transitions. [2024-11-08 22:06:41,619 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 102 transitions. [2024-11-08 22:06:41,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 22:06:41,620 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:41,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:41,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:41,624 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:41,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 22:06:44,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:44,583 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:44,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:44,692 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:45,213 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:06:45,214 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2024-11-08 22:06:47,567 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 22:06:47,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-08 22:06:51,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:51,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 69 states and 101 transitions. [2024-11-08 22:06:51,018 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 101 transitions. [2024-11-08 22:06:51,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:06:51,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:51,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:51,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:51,023 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:51,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 22:06:53,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:53,958 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:54,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:54,070 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:54,072 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:54,212 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:06:54,213 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2024-11-08 22:06:54,709 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 22:06:54,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-08 22:06:54,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:54,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 69 states and 100 transitions. [2024-11-08 22:06:54,944 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 100 transitions. [2024-11-08 22:06:54,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 22:06:54,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:54,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:54,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:54,948 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:54,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 22:06:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:57,825 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:57,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:57,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 22:06:57,952 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:58,149 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 [2024-11-08 22:06:58,175 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2024-11-08 22:07:01,601 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 22:07:01,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-08 22:07:35,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:35,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 67 states and 95 transitions. [2024-11-08 22:07:35,009 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2024-11-08 22:07:35,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 22:07:35,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:35,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:35,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:35,014 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:35,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 22:07:37,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:37,776 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:37,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:37,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:07:37,885 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:37,978 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:07:37,979 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-08 22:07:40,812 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 22:07:40,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-08 22:07:58,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:58,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 67 states and 94 transitions. [2024-11-08 22:07:58,716 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 94 transitions. [2024-11-08 22:07:58,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 22:07:58,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:58,718 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:58,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:58,721 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:58,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 22:08:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:01,489 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:01,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:01,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 22:08:01,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:01,720 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:08:01,720 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2024-11-08 22:08:02,416 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 22:08:02,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-08 22:08:06,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:06,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 67 states and 93 transitions. [2024-11-08 22:08:06,043 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2024-11-08 22:08:06,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 22:08:06,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:06,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:06,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:06,046 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:06,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 22:08:08,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:08,976 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:09,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:09,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 22:08:09,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:09,247 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 [2024-11-08 22:08:09,266 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2024-11-08 22:08:09,969 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 22:08:09,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-08 22:08:14,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:14,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 67 states and 92 transitions. [2024-11-08 22:08:14,006 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2024-11-08 22:08:14,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 22:08:14,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:14,007 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:14,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:14,011 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:14,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-08 22:08:17,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:17,690 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:17,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:17,839 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 22:08:17,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:17,938 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:08:17,938 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-08 22:08:20,365 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 22:08:20,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-08 22:08:39,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:39,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 67 states and 91 transitions. [2024-11-08 22:08:39,409 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 91 transitions. [2024-11-08 22:08:39,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 22:08:39,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:39,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:39,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:39,413 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:39,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-08 22:08:43,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:43,030 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:43,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:43,141 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 22:08:43,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:43,243 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 [2024-11-08 22:08:43,267 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-08 22:08:49,125 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 22:08:49,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-08 22:08:59,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:59,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 67 states and 90 transitions. [2024-11-08 22:08:59,882 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2024-11-08 22:08:59,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 22:08:59,883 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:59,883 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:59,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:59,884 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:59,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-08 22:09:03,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:03,552 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:03,727 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 22:09:03,728 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:14,674 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 22:09:14,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-08 22:11:06,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:11:09,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:11:11,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:11:22,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:11:22,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 69 states and 97 transitions. [2024-11-08 22:11:22,995 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2024-11-08 22:11:22,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 22:11:22,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:11:22,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:11:22,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:11:23,003 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:11:23,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-08 22:11:26,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:11:26,558 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:11:26,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:11:26,706 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 22:11:26,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:11:28,474 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 [2024-11-08 22:11:28,492 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-08 22:11:34,966 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:11:34,966 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2024-11-08 22:11:45,503 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 22:11:45,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-08 22:13:32,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 22:14:31,584 WARN L286 SmtUtils]: Spent 10.32s on a formula simplification that was a NOOP. DAG size: 65 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:14:31,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:14:31,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 65 states and 90 transitions. [2024-11-08 22:14:31,699 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2024-11-08 22:14:31,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 22:14:31,700 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:14:31,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:14:31,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:14:31,706 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:14:31,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-08 22:14:33,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:33,074 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:14:33,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:33,164 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:14:33,165 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:14:35,902 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 22:14:35,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-08 22:15:30,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:30,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 65 states and 88 transitions. [2024-11-08 22:15:30,920 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 88 transitions. [2024-11-08 22:15:30,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 22:15:30,921 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:30,921 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:30,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:30,924 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:30,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-08 22:15:32,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:32,430 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:32,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:15:32,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:43,319 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 22:15:43,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-08 22:16:27,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:27,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 67 states and 91 transitions. [2024-11-08 22:16:27,993 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 91 transitions. [2024-11-08 22:16:27,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-08 22:16:27,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:27,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:27,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:27,997 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:27,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-08 22:16:30,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:30,889 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:31,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:31,063 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 22:16:31,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:08,596 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 22:17:08,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9598f1e7-790e-4260-891a-2598c62511db/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-08 22:18:38,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]