./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0661a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0661a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9 --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 435d2cdf341382667c7bd6209addbdb4d7d5465501d562ccc5200a5ca5b72f0f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:22:29,109 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:22:29,179 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 23:22:29,185 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:22:29,186 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:22:29,211 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:22:29,212 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:22:29,213 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:22:29,213 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:22:29,214 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:22:29,215 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:22:29,215 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:22:29,216 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:22:29,216 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:22:29,217 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:22:29,217 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:22:29,218 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:22:29,218 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:22:29,219 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:22:29,219 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:22:29,220 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:22:29,220 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:22:29,221 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:22:29,221 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:22:29,222 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:22:29,222 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:22:29,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:22:29,223 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:22:29,224 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:22:29,224 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:22:29,224 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:22:29,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:22:29,225 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:22:29,225 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_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 435d2cdf341382667c7bd6209addbdb4d7d5465501d562ccc5200a5ca5b72f0f [2023-12-02 23:22:29,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:22:29,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:22:29,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:22:29,467 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:22:29,467 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:22:29,469 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/float_req_bl_0661a.c [2023-12-02 23:22:32,201 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:22:32,397 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:22:32,397 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/sv-benchmarks/c/float-newlib/float_req_bl_0661a.c [2023-12-02 23:22:32,404 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/data/a0c03b9e6/0cd4a5e33bf24d739cf25b7abbb08547/FLAG721bb9bda [2023-12-02 23:22:32,418 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/data/a0c03b9e6/0cd4a5e33bf24d739cf25b7abbb08547 [2023-12-02 23:22:32,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:22:32,422 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:22:32,423 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:22:32,423 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:22:32,427 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:22:32,427 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:22:32" (1/1) ... [2023-12-02 23:22:32,428 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79aaceba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:32, skipping insertion in model container [2023-12-02 23:22:32,429 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:22:32" (1/1) ... [2023-12-02 23:22:32,456 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:22:32,622 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/sv-benchmarks/c/float-newlib/float_req_bl_0661a.c[5271,5284] [2023-12-02 23:22:32,627 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:22:32,640 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:22:32,678 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/sv-benchmarks/c/float-newlib/float_req_bl_0661a.c[5271,5284] [2023-12-02 23:22:32,678 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:22:32,694 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:22:32,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:32 WrapperNode [2023-12-02 23:22:32,695 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:22:32,696 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:22:32,696 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:22:32,696 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:22:32,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:32" (1/1) ... [2023-12-02 23:22:32,714 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:32" (1/1) ... [2023-12-02 23:22:32,742 INFO L138 Inliner]: procedures = 19, calls = 79, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 236 [2023-12-02 23:22:32,743 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:22:32,743 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:22:32,744 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:22:32,744 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:22:32,753 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:32" (1/1) ... [2023-12-02 23:22:32,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:32" (1/1) ... [2023-12-02 23:22:32,759 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:32" (1/1) ... [2023-12-02 23:22:32,759 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:32" (1/1) ... [2023-12-02 23:22:32,774 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:32" (1/1) ... [2023-12-02 23:22:32,780 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:32" (1/1) ... [2023-12-02 23:22:32,782 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:32" (1/1) ... [2023-12-02 23:22:32,785 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:32" (1/1) ... [2023-12-02 23:22:32,789 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:22:32,790 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:22:32,791 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:22:32,791 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:22:32,792 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:32" (1/1) ... [2023-12-02 23:22:32,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:22:32,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:22:32,816 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:22:32,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:22:32,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:22:32,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:22:32,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:22:32,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-02 23:22:32,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 23:22:32,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-02 23:22:32,848 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2023-12-02 23:22:32,848 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2023-12-02 23:22:32,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:22:32,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:22:32,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 23:22:32,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-12-02 23:22:32,849 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2023-12-02 23:22:32,849 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2023-12-02 23:22:32,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:22:32,943 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:22:32,945 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:22:33,289 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:22:33,404 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:22:33,404 INFO L309 CfgBuilder]: Removed 14 assume(true) statements. [2023-12-02 23:22:33,406 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:22:33 BoogieIcfgContainer [2023-12-02 23:22:33,406 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:22:33,407 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:22:33,407 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:22:33,418 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:22:33,418 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:22:33" (1/1) ... [2023-12-02 23:22:33,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:22:33,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:33,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 69 states and 112 transitions. [2023-12-02 23:22:33,503 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 112 transitions. [2023-12-02 23:22:33,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:22:33,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:33,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:33,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:33,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:22:33,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:33,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 69 states and 107 transitions. [2023-12-02 23:22:33,681 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 107 transitions. [2023-12-02 23:22:33,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 23:22:33,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:33,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:33,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:22:33,754 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:22:33,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:22:33,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:22:33,889 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:22:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:22:33,944 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-02 23:22:33,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:22:33 ImpRootNode [2023-12-02 23:22:33,979 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:22:33,980 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:22:33,980 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:22:33,981 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:22:33,981 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:22:33" (3/4) ... [2023-12-02 23:22:33,983 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 23:22:33,984 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:22:33,986 INFO L158 Benchmark]: Toolchain (without parser) took 1562.92ms. Allocated memory was 153.1MB in the beginning and 213.9MB in the end (delta: 60.8MB). Free memory was 116.5MB in the beginning and 151.8MB in the end (delta: -35.3MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2023-12-02 23:22:33,986 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 153.1MB. Free memory is still 95.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:22:33,987 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.87ms. Allocated memory is still 153.1MB. Free memory was 116.1MB in the beginning and 102.0MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 23:22:33,987 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.33ms. Allocated memory is still 153.1MB. Free memory was 102.0MB in the beginning and 99.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:22:33,988 INFO L158 Benchmark]: Boogie Preprocessor took 46.00ms. Allocated memory is still 153.1MB. Free memory was 99.9MB in the beginning and 97.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:22:33,989 INFO L158 Benchmark]: RCFGBuilder took 615.76ms. Allocated memory was 153.1MB in the beginning and 213.9MB in the end (delta: 60.8MB). Free memory was 97.0MB in the beginning and 180.1MB in the end (delta: -83.0MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-12-02 23:22:33,989 INFO L158 Benchmark]: CodeCheck took 572.23ms. Allocated memory is still 213.9MB. Free memory was 180.0MB in the beginning and 152.9MB in the end (delta: 27.2MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2023-12-02 23:22:33,990 INFO L158 Benchmark]: Witness Printer took 4.66ms. Allocated memory is still 213.9MB. Free memory was 152.9MB in the beginning and 151.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:22:33,994 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, 69 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 46 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 30 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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: 230]: 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 229, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of someUnaryFLOAToperation at line 219, 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; [L218] float x = __VERIFIER_nondet_float(); [L219] float y = -0.0f; 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] [L226] COND TRUE x > 0.0f [L227] CALL, EXPR __ieee754_atan2f(y, x) [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [\old(x)=4, \old(y)=2, 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=4, y=2, zero_atan2=0] [L125] ieee_float_shape_type gf_u; [L126] EXPR gf_u.value = (x) [L127] EXPR gf_u.word [L127] EXPR (hx) = gf_u.word [L124-L128] { ieee_float_shape_type gf_u; gf_u.value = (x); (hx) = gf_u.word; } VAL [\old(x)=4, \old(y)=2, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=17887, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=4, y=2, zero_atan2=0] [L129] ix = hx & 0x7fffffff VAL [\old(x)=4, \old(y)=2, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=17887, ix=17887, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=4, y=2, zero_atan2=0] [L131] ieee_float_shape_type gf_u; [L132] EXPR gf_u.value = (y) [L133] EXPR gf_u.word [L133] EXPR (hy) = gf_u.word [L130-L134] { ieee_float_shape_type gf_u; gf_u.value = (y); (hy) = gf_u.word; } VAL [\old(x)=4, \old(y)=2, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=17887, hy=2139095041, ix=17887, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=4, y=2, zero_atan2=0] [L135] iy = hy & 0x7fffffff VAL [\old(x)=4, \old(y)=2, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=17887, hy=2139095041, ix=17887, iy=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=4, y=2, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [\old(x)=4, \old(y)=2, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=17887, hy=2139095041, ix=17887, iy=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=4, y=2, zero_atan2=0] [L227] RET, EXPR __ieee754_atan2f(y, x) [L227] float res = __ieee754_atan2f(y, x); [L229] COND TRUE res != -0.0f 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, res=10, tiny_atan2=1/1000000000000000000000000000000, x=4, y=2, zero_atan2=0] [L230] 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, res=10, tiny_atan2=1/1000000000000000000000000000000, x=4, y=2, zero_atan2=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 153.1MB. Free memory is still 95.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.87ms. Allocated memory is still 153.1MB. Free memory was 116.1MB in the beginning and 102.0MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.33ms. Allocated memory is still 153.1MB. Free memory was 102.0MB in the beginning and 99.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.00ms. Allocated memory is still 153.1MB. Free memory was 99.9MB in the beginning and 97.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 615.76ms. Allocated memory was 153.1MB in the beginning and 213.9MB in the end (delta: 60.8MB). Free memory was 97.0MB in the beginning and 180.1MB in the end (delta: -83.0MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * CodeCheck took 572.23ms. Allocated memory is still 213.9MB. Free memory was 180.0MB in the beginning and 152.9MB in the end (delta: 27.2MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. * Witness Printer took 4.66ms. Allocated memory is still 213.9MB. Free memory was 152.9MB in the beginning and 151.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 23:22:34,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0661a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9 --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 435d2cdf341382667c7bd6209addbdb4d7d5465501d562ccc5200a5ca5b72f0f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:22:35,960 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:22:36,038 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 23:22:36,071 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:22:36,072 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:22:36,072 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:22:36,073 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:22:36,074 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:22:36,075 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:22:36,075 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:22:36,076 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:22:36,076 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:22:36,077 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:22:36,077 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:22:36,078 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:22:36,078 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:22:36,079 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:22:36,079 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:22:36,080 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:22:36,080 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:22:36,081 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:22:36,082 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:22:36,082 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:22:36,082 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:22:36,083 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:22:36,083 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:22:36,084 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:22:36,084 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:22:36,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:22:36,085 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:22:36,086 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:22:36,086 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:22:36,087 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:22:36,087 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:22:36,087 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:22:36,088 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:22:36,088 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:22:36,088 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 435d2cdf341382667c7bd6209addbdb4d7d5465501d562ccc5200a5ca5b72f0f [2023-12-02 23:22:36,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:22:36,396 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:22:36,399 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:22:36,400 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:22:36,400 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:22:36,402 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/float_req_bl_0661a.c [2023-12-02 23:22:39,236 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:22:39,438 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:22:39,439 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/sv-benchmarks/c/float-newlib/float_req_bl_0661a.c [2023-12-02 23:22:39,447 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/data/6104c8d25/73eade5b50574712a2d20124b74a1830/FLAG5ce4d9f2f [2023-12-02 23:22:39,458 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/data/6104c8d25/73eade5b50574712a2d20124b74a1830 [2023-12-02 23:22:39,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:22:39,461 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:22:39,462 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:22:39,462 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:22:39,466 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:22:39,467 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:22:39" (1/1) ... [2023-12-02 23:22:39,468 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e96e198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:39, skipping insertion in model container [2023-12-02 23:22:39,469 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:22:39" (1/1) ... [2023-12-02 23:22:39,498 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:22:39,709 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/sv-benchmarks/c/float-newlib/float_req_bl_0661a.c[5271,5284] [2023-12-02 23:22:39,714 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:22:39,731 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:22:39,778 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/sv-benchmarks/c/float-newlib/float_req_bl_0661a.c[5271,5284] [2023-12-02 23:22:39,779 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:22:39,801 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:22:39,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:39 WrapperNode [2023-12-02 23:22:39,802 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:22:39,803 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:22:39,803 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:22:39,803 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:22:39,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:39" (1/1) ... [2023-12-02 23:22:39,827 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:39" (1/1) ... [2023-12-02 23:22:39,855 INFO L138 Inliner]: procedures = 22, calls = 79, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 217 [2023-12-02 23:22:39,856 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:22:39,856 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:22:39,856 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:22:39,857 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:22:39,866 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:39" (1/1) ... [2023-12-02 23:22:39,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:39" (1/1) ... [2023-12-02 23:22:39,873 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:39" (1/1) ... [2023-12-02 23:22:39,873 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:39" (1/1) ... [2023-12-02 23:22:39,890 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:39" (1/1) ... [2023-12-02 23:22:39,896 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:39" (1/1) ... [2023-12-02 23:22:39,900 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:39" (1/1) ... [2023-12-02 23:22:39,903 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:39" (1/1) ... [2023-12-02 23:22:39,908 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:22:39,909 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:22:39,909 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:22:39,909 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:22:39,910 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:39" (1/1) ... [2023-12-02 23:22:39,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:22:39,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:22:39,939 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:22:39,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:22:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:22:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-12-02 23:22:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:22:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:22:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-02 23:22:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2023-12-02 23:22:39,987 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2023-12-02 23:22:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 23:22:39,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:22:39,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:22:39,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-02 23:22:39,988 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2023-12-02 23:22:39,988 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2023-12-02 23:22:39,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 23:22:39,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:22:40,091 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:22:40,093 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:23:13,197 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:23:13,273 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:23:13,274 INFO L309 CfgBuilder]: Removed 14 assume(true) statements. [2023-12-02 23:23:13,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:23:13 BoogieIcfgContainer [2023-12-02 23:23:13,275 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:23:13,276 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:23:13,277 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:23:13,286 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:23:13,287 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:23:13" (1/1) ... [2023-12-02 23:23:13,296 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:23:13,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:13,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 69 states and 112 transitions. [2023-12-02 23:23:13,353 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 112 transitions. [2023-12-02 23:23:13,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:23:13,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:13,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:23:13,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:23:13,391 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:23:13,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:23:14,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:14,368 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:23:14,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:14,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:23:14,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:14,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:23:14,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:23:15,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:15,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 69 states and 107 transitions. [2023-12-02 23:23:15,041 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 107 transitions. [2023-12-02 23:23:15,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 23:23:15,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:15,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:23:15,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:23:15,043 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:23:15,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 23:23:17,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:17,600 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:23:17,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:17,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:23:17,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:17,926 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 23:23:18,470 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2023-12-02 23:23:18,471 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 46 treesize of output 26 [2023-12-02 23:23:18,534 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 23:23:18,534 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 41 treesize of output 29 [2023-12-02 23:23:18,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:23:19,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-12-02 23:23:20,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:20,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 69 states and 106 transitions. [2023-12-02 23:23:20,633 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 106 transitions. [2023-12-02 23:23:20,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 23:23:20,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:20,636 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:23:20,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:23:20,637 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:23:20,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 23:23:22,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:22,763 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:23:22,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:22,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 23:23:22,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:23,081 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 23:23:23,096 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 30 treesize of output 14 [2023-12-02 23:23:23,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:23:23,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-02 23:23:24,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:24,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 69 states and 105 transitions. [2023-12-02 23:23:24,388 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 105 transitions. [2023-12-02 23:23:24,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 23:23:24,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:24,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:23:24,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:23:24,390 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:23:24,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 23:23:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:26,894 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:23:26,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:26,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 23:23:26,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:27,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:23:27,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-12-02 23:23:32,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:23:34,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:23:36,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:23:40,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:23:43,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:43,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 71 states and 123 transitions. [2023-12-02 23:23:43,559 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 123 transitions. [2023-12-02 23:23:43,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 23:23:43,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:43,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:23:43,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:23:43,561 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:23:43,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 23:23:45,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:45,801 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:23:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:45,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:23:45,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:45,964 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 23:23:45,966 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2023-12-02 23:23:47,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:23:47,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 23:23:55,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:55,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 71 states and 121 transitions. [2023-12-02 23:23:55,584 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 121 transitions. [2023-12-02 23:23:55,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 23:23:55,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:55,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:23:55,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:23:55,586 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:23:55,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 23:23:58,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:58,239 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:23:58,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:58,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 23:23:58,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:58,784 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 23:23:58,785 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2023-12-02 23:24:00,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:24:00,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 23:24:21,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:24:21,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 71 states and 119 transitions. [2023-12-02 23:24:21,211 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 119 transitions. [2023-12-02 23:24:21,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 23:24:21,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:24:21,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:24:21,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:24:21,213 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:24:21,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 23:24:23,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:24:23,346 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:24:23,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:24:23,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 23:24:23,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:24:23,474 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 [2023-12-02 23:24:24,354 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2023-12-02 23:24:24,355 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 46 treesize of output 26 [2023-12-02 23:24:24,407 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 23:24:24,408 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 41 treesize of output 29 [2023-12-02 23:24:26,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:24:27,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 23:24:37,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:24:37,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 44 states and 56 transitions. [2023-12-02 23:24:37,844 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2023-12-02 23:24:37,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:24:37,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:24:37,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:24:37,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:24:37,846 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:24:37,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 23:24:38,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:24:38,875 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:24:38,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:24:38,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:24:38,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:24:38,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:24:38,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 23:24:49,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:24:49,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:24:49,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 44 states and 54 transitions. [2023-12-02 23:24:49,884 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 54 transitions. [2023-12-02 23:24:49,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 23:24:49,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:24:49,885 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:24:49,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:24:49,886 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:24:49,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 23:24:52,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:24:52,236 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:24:52,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:24:52,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:24:52,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:24:53,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 23:24:53,522 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-12-02 23:24:56,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:24:56,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 23:24:56,811 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:25:11,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:25:22,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.74s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:25:23,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:25:23,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 46 states and 57 transitions. [2023-12-02 23:25:23,444 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 57 transitions. [2023-12-02 23:25:23,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 23:25:23,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:25:23,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:25:23,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:25:23,446 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:25:23,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 23:25:26,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:25:26,341 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:25:26,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:25:26,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 23:25:26,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:25:29,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:25:29,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 23:25:52,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:26:05,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:26:08,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:26:08,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 60 transitions. [2023-12-02 23:26:08,538 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2023-12-02 23:26:08,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 23:26:08,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:26:08,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:26:08,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:26:08,540 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:26:08,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 23:26:12,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:26:12,049 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:26:12,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:26:12,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 23:26:12,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:26:13,138 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 23:26:13,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-12-02 23:26:17,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:26:17,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 23:26:37,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.66s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:26:39,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:26:49,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:27:00,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.74s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:27:11,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.75s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:27:22,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.77s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:27:32,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.80s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:27:55,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:28:05,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.93s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:28:06,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:28:06,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 53 states and 66 transitions. [2023-12-02 23:28:06,890 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 66 transitions. [2023-12-02 23:28:06,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 23:28:06,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:28:06,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:28:06,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:28:06,893 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:28:06,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 23:28:10,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:28:10,300 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:28:11,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:28:11,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:28:11,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:28:19,541 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 23:28:19,541 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2023-12-02 23:29:03,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:29:03,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-02 23:33:00,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:33:10,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:33:20,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:33:31,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.94s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:33:42,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.84s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:33:53,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:33:54,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:54,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 54 states and 67 transitions. [2023-12-02 23:33:54,914 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2023-12-02 23:33:54,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 23:33:54,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:54,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:33:54,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:33:54,917 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:33:54,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-02 23:33:56,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:56,427 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:33:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:56,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:33:56,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:33:56,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:33:56,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-02 23:33:56,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:56,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 54 states and 63 transitions. [2023-12-02 23:33:56,556 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 63 transitions. [2023-12-02 23:33:56,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 23:33:56,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:56,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:33:56,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:33:56,558 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:33:56,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 23:34:01,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:34:01,402 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:34:02,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:34:02,320 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:34:02,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:34:02,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 23:34:02,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-12-02 23:34:08,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:34:08,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1062ac-1f79-40ae-8f04-b2f46e3baadf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-02 23:34:23,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:34:33,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.56s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:34:44,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.48s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:34:54,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.52s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:36:17,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:36:19,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:36:29,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:36:40,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.85s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:36:51,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.97s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:37:02,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:37:13,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.91s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:37:41,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]