./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0685a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0685a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b4c4b31312aaf2dab8a1f8e232bdad89f6cd3959f42d2f0aaf79327a3fd01ffb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:45:12,665 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:45:12,757 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:45:12,763 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:45:12,763 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:45:12,802 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:45:12,802 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:45:12,803 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:45:12,804 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:45:12,804 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:45:12,804 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:45:12,805 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:45:12,805 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:45:12,806 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:45:12,806 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:45:12,806 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:45:12,807 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:45:12,807 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:45:12,808 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:45:12,808 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:45:12,808 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:45:12,812 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:45:12,813 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:45:12,813 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:45:12,813 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:45:12,813 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:45:12,814 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:45:12,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:45:12,814 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:45:12,815 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:45:12,815 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:45:12,815 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:45:12,815 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:45:12,816 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_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4c4b31312aaf2dab8a1f8e232bdad89f6cd3959f42d2f0aaf79327a3fd01ffb [2024-11-09 00:45:13,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:45:13,152 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:45:13,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:45:13,157 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:45:13,158 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:45:13,159 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-newlib/double_req_bl_0685a.c Unable to find full path for "g++" [2024-11-09 00:45:15,128 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:45:15,395 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:45:15,396 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/sv-benchmarks/c/float-newlib/double_req_bl_0685a.c [2024-11-09 00:45:15,405 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/data/e30534055/7ff6f308280c4786b71a8ddce0063d04/FLAGb97dd3f0b [2024-11-09 00:45:15,715 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/data/e30534055/7ff6f308280c4786b71a8ddce0063d04 [2024-11-09 00:45:15,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:45:15,721 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:45:15,723 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:45:15,723 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:45:15,729 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:45:15,730 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:45:15" (1/1) ... [2024-11-09 00:45:15,732 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d2a90ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:45:15, skipping insertion in model container [2024-11-09 00:45:15,733 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:45:15" (1/1) ... [2024-11-09 00:45:15,777 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:45:16,015 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/sv-benchmarks/c/float-newlib/double_req_bl_0685a.c[6215,6228] [2024-11-09 00:45:16,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:45:16,032 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:45:16,084 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/sv-benchmarks/c/float-newlib/double_req_bl_0685a.c[6215,6228] [2024-11-09 00:45:16,085 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:45:16,108 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:45:16,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:45:16 WrapperNode [2024-11-09 00:45:16,109 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:45:16,110 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:45:16,111 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:45:16,111 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:45:16,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:45:16" (1/1) ... [2024-11-09 00:45:16,135 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:45:16" (1/1) ... [2024-11-09 00:45:16,184 INFO L138 Inliner]: procedures = 20, calls = 87, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 304 [2024-11-09 00:45:16,188 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:45:16,189 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:45:16,189 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:45:16,189 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:45:16,202 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:45:16" (1/1) ... [2024-11-09 00:45:16,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:45:16" (1/1) ... [2024-11-09 00:45:16,207 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:45:16" (1/1) ... [2024-11-09 00:45:16,211 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:45:16" (1/1) ... [2024-11-09 00:45:16,232 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:45:16" (1/1) ... [2024-11-09 00:45:16,247 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:45:16" (1/1) ... [2024-11-09 00:45:16,253 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:45:16" (1/1) ... [2024-11-09 00:45:16,258 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:45:16" (1/1) ... [2024-11-09 00:45:16,265 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:45:16,266 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:45:16,269 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:45:16,270 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:45:16,271 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:45:16" (1/1) ... [2024-11-09 00:45:16,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:45:16,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:45:16,313 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:45:16,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:45:16,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:45:16,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:45:16,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-09 00:45:16,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 00:45:16,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-09 00:45:16,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 00:45:16,352 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2024-11-09 00:45:16,352 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2024-11-09 00:45:16,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-09 00:45:16,353 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2024-11-09 00:45:16,353 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2024-11-09 00:45:16,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:45:16,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:45:16,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 00:45:16,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-09 00:45:16,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:45:16,509 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:45:16,511 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:45:17,189 INFO L? ?]: Removed 79 outVars from TransFormulas that were not future-live. [2024-11-09 00:45:17,190 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:45:17,593 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:45:17,595 INFO L316 CfgBuilder]: Removed 16 assume(true) statements. [2024-11-09 00:45:17,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:45:17 BoogieIcfgContainer [2024-11-09 00:45:17,596 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:45:17,597 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:45:17,597 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:45:17,608 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:45:17,608 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:45:17" (1/1) ... [2024-11-09 00:45:17,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:45:17,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:45:17,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 71 states and 115 transitions. [2024-11-09 00:45:17,696 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 115 transitions. [2024-11-09 00:45:17,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:45:17,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:45:17,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:45:17,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:45:17,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:45:18,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:45:18,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 71 states and 110 transitions. [2024-11-09 00:45:18,131 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 110 transitions. [2024-11-09 00:45:18,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:45:18,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:45:18,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:45:18,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:45:18,466 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:45:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:45:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:45:19,058 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:45:19,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:45:19,365 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-09 00:45:19,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:45:19 ImpRootNode [2024-11-09 00:45:19,413 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:45:19,414 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:45:19,414 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:45:19,414 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:45:19,415 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:45:17" (3/4) ... [2024-11-09 00:45:19,417 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:45:19,418 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:45:19,420 INFO L158 Benchmark]: Toolchain (without parser) took 3697.90ms. Allocated memory was 163.6MB in the beginning and 201.3MB in the end (delta: 37.7MB). Free memory was 129.4MB in the beginning and 131.9MB in the end (delta: -2.5MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2024-11-09 00:45:19,421 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 130.0MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:45:19,421 INFO L158 Benchmark]: CACSL2BoogieTranslator took 386.82ms. Allocated memory is still 163.6MB. Free memory was 129.4MB in the beginning and 112.5MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 00:45:19,422 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.84ms. Allocated memory is still 163.6MB. Free memory was 112.5MB in the beginning and 109.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:45:19,423 INFO L158 Benchmark]: Boogie Preprocessor took 76.88ms. Allocated memory is still 163.6MB. Free memory was 109.3MB in the beginning and 106.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:45:19,424 INFO L158 Benchmark]: RCFGBuilder took 1329.40ms. Allocated memory was 163.6MB in the beginning and 201.3MB in the end (delta: 37.7MB). Free memory was 106.7MB in the beginning and 137.7MB in the end (delta: -31.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-09 00:45:19,425 INFO L158 Benchmark]: CodeCheck took 1816.14ms. Allocated memory is still 201.3MB. Free memory was 137.7MB in the beginning and 132.9MB in the end (delta: 4.8MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. [2024-11-09 00:45:19,426 INFO L158 Benchmark]: Witness Printer took 4.75ms. Allocated memory is still 201.3MB. Free memory was 132.9MB in the beginning and 131.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:45:19,432 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, 71 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 43 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 26 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 90 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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: 260]: 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 bitwiseOr at line 163, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of someBinaryDOUBLEComparisonOperation at line 259. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; [L253] double x = -1.0 / 0.0; [L254] double y = 1.0 / 0.0; [L256] CALL, EXPR __ieee754_atan2(y, x) [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-1048576, ix=2146435072, lx=-4294967295, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=7, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff [L163] EXPR lx | -lx [L163] EXPR ix | ((lx | -lx) >> 31) [L163-L164] ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-1048576, hy=-1, ix=2146435072, iy=2147483647, lx=-4294967295, ly=-4294967296, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=7, y=8, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-1048576, hy=-1, ix=2146435072, iy=2147483647, lx=-4294967295, ly=-4294967296, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=7, y=8, zero_atan2=0] [L256] RET, EXPR __ieee754_atan2(y, x) [L256] double res = __ieee754_atan2(y, x); [L259] COND TRUE res != 3 * pi_o_4 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L260] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 130.0MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 386.82ms. Allocated memory is still 163.6MB. Free memory was 129.4MB in the beginning and 112.5MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.84ms. Allocated memory is still 163.6MB. Free memory was 112.5MB in the beginning and 109.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.88ms. Allocated memory is still 163.6MB. Free memory was 109.3MB in the beginning and 106.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1329.40ms. Allocated memory was 163.6MB in the beginning and 201.3MB in the end (delta: 37.7MB). Free memory was 106.7MB in the beginning and 137.7MB in the end (delta: -31.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * CodeCheck took 1816.14ms. Allocated memory is still 201.3MB. Free memory was 137.7MB in the beginning and 132.9MB in the end (delta: 4.8MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. * Witness Printer took 4.75ms. Allocated memory is still 201.3MB. Free memory was 132.9MB in the beginning and 131.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:45:19,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0685a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b4c4b31312aaf2dab8a1f8e232bdad89f6cd3959f42d2f0aaf79327a3fd01ffb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:45:21,893 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:45:21,995 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-09 00:45:22,049 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:45:22,055 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:45:22,056 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:45:22,057 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:45:22,058 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:45:22,059 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:45:22,059 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:45:22,060 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:45:22,061 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:45:22,061 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:45:22,062 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:45:22,062 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:45:22,062 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:45:22,063 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:45:22,063 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:45:22,063 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:45:22,064 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:45:22,067 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:45:22,067 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:45:22,068 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:45:22,068 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:45:22,069 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:45:22,069 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:45:22,069 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:45:22,070 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:45:22,070 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:45:22,070 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:45:22,071 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:45:22,071 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:45:22,071 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:45:22,072 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:45:22,072 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:45:22,072 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:45:22,072 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_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4c4b31312aaf2dab8a1f8e232bdad89f6cd3959f42d2f0aaf79327a3fd01ffb [2024-11-09 00:45:22,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:45:22,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:45:22,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:45:22,488 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:45:22,488 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:45:22,490 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-newlib/double_req_bl_0685a.c Unable to find full path for "g++" [2024-11-09 00:45:24,516 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:45:24,754 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:45:24,755 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/sv-benchmarks/c/float-newlib/double_req_bl_0685a.c [2024-11-09 00:45:24,768 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/data/e65253ac0/027dd70139914586b5399f9bc616d5d8/FLAG4eabe040b [2024-11-09 00:45:25,111 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/data/e65253ac0/027dd70139914586b5399f9bc616d5d8 [2024-11-09 00:45:25,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:45:25,115 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:45:25,115 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:45:25,116 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:45:25,120 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:45:25,120 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:45:25" (1/1) ... [2024-11-09 00:45:25,121 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b647073 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:45:25, skipping insertion in model container [2024-11-09 00:45:25,122 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:45:25" (1/1) ... [2024-11-09 00:45:25,164 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:45:25,495 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/sv-benchmarks/c/float-newlib/double_req_bl_0685a.c[6215,6228] [2024-11-09 00:45:25,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:45:25,534 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:45:25,612 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/sv-benchmarks/c/float-newlib/double_req_bl_0685a.c[6215,6228] [2024-11-09 00:45:25,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:45:25,650 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:45:25,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:45:25 WrapperNode [2024-11-09 00:45:25,651 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:45:25,652 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:45:25,652 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:45:25,652 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:45:25,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:45:25" (1/1) ... [2024-11-09 00:45:25,684 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:45:25" (1/1) ... [2024-11-09 00:45:25,720 INFO L138 Inliner]: procedures = 23, calls = 87, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 221 [2024-11-09 00:45:25,723 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:45:25,723 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:45:25,724 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:45:25,724 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:45:25,738 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:45:25" (1/1) ... [2024-11-09 00:45:25,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:45:25" (1/1) ... [2024-11-09 00:45:25,749 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:45:25" (1/1) ... [2024-11-09 00:45:25,750 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:45:25" (1/1) ... [2024-11-09 00:45:25,770 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:45:25" (1/1) ... [2024-11-09 00:45:25,784 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:45:25" (1/1) ... [2024-11-09 00:45:25,787 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:45:25" (1/1) ... [2024-11-09 00:45:25,793 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:45:25" (1/1) ... [2024-11-09 00:45:25,800 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:45:25,801 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:45:25,801 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:45:25,801 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:45:25,806 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:45:25" (1/1) ... [2024-11-09 00:45:25,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:45:25,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:45:25,860 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:45:25,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:45:25,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:45:25,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-09 00:45:25,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2024-11-09 00:45:25,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-09 00:45:25,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:45:25,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 00:45:25,911 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2024-11-09 00:45:25,911 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2024-11-09 00:45:25,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2024-11-09 00:45:25,911 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2024-11-09 00:45:25,911 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2024-11-09 00:45:25,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 00:45:25,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:45:25,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:45:25,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-09 00:45:25,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:45:26,057 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:45:26,060 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:46:45,281 INFO L? ?]: Removed 85 outVars from TransFormulas that were not future-live. [2024-11-09 00:46:45,282 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:46:45,422 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:46:45,422 INFO L316 CfgBuilder]: Removed 16 assume(true) statements. [2024-11-09 00:46:45,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:46:45 BoogieIcfgContainer [2024-11-09 00:46:45,422 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:46:45,425 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:46:45,425 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:46:45,436 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:46:45,436 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:46:45" (1/1) ... [2024-11-09 00:46:45,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:46:45,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:45,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 70 states and 114 transitions. [2024-11-09 00:46:45,522 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 114 transitions. [2024-11-09 00:46:45,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:46:45,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:45,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:45,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:45,536 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:45,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:46:46,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:46,618 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:46,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:46,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 00:46:46,793 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:46,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:46:46,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:46:49,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:46:49,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:49,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 70 states and 109 transitions. [2024-11-09 00:46:49,203 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 109 transitions. [2024-11-09 00:46:49,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:46:49,204 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:49,204 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:49,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:49,206 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:49,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:46:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:52,132 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:52,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:52,335 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 00:46:52,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:52,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:46:53,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-11-09 00:46:55,338 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:46:55,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 17 [2024-11-09 00:46:57,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:46:57,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-09 00:47:02,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:02,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 70 states and 108 transitions. [2024-11-09 00:47:02,752 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 108 transitions. [2024-11-09 00:47:02,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 00:47:02,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:02,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:02,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:02,758 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:02,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 00:47:05,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:05,288 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:05,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:05,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 00:47:05,446 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:09,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:47:09,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-09 00:47:12,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:12,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 67 states and 101 transitions. [2024-11-09 00:47:12,220 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 101 transitions. [2024-11-09 00:47:12,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 00:47:12,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:12,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:12,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:12,224 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:12,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-09 00:47:14,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:14,953 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:15,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:15,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 00:47:15,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:19,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:47:19,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-09 00:47:31,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 00:47:31,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:31,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 67 states and 100 transitions. [2024-11-09 00:47:31,140 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 100 transitions. [2024-11-09 00:47:31,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 00:47:31,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:31,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:31,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:31,147 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:31,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-09 00:47:34,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:34,200 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:34,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:34,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 00:47:34,359 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:37,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:47:37,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-09 00:47:37,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:37,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 67 states and 99 transitions. [2024-11-09 00:47:37,600 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 99 transitions. [2024-11-09 00:47:37,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:47:37,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:37,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:37,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:37,605 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:37,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-09 00:47:40,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:40,638 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:40,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:40,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 00:47:40,868 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:47,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:47:47,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-09 00:48:30,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:30,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 65 states and 94 transitions. [2024-11-09 00:48:30,986 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 94 transitions. [2024-11-09 00:48:30,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:48:30,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:30,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:30,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:30,993 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:30,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-09 00:48:33,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:33,466 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:33,576 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 00:48:33,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:38,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:48:38,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-09 00:48:41,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:41,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 65 states and 93 transitions. [2024-11-09 00:48:41,207 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2024-11-09 00:48:41,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 00:48:41,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:41,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:41,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:41,211 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:41,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-09 00:48:44,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:44,309 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:44,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:44,439 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 00:48:44,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:47,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:48:47,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-09 00:48:56,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:56,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 65 states and 92 transitions. [2024-11-09 00:48:56,114 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 92 transitions. [2024-11-09 00:48:56,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 00:48:56,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:56,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:56,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:56,116 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:56,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-09 00:48:58,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:58,797 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:58,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:58,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 00:48:58,931 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:02,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:49:02,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-09 00:49:10,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:10,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 65 states and 91 transitions. [2024-11-09 00:49:10,914 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 91 transitions. [2024-11-09 00:49:10,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:49:10,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:10,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:10,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:10,918 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:10,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-09 00:49:13,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:13,754 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:14,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:14,221 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:49:14,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:45,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:49:45,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-09 00:52:47,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:53:12,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:53:16,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.26s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:53:19,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:53:22,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.03s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:53:26,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:53:35,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.84s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:53:43,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:53:47,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.21s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:53:49,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:53:50,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:53:53,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.77s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:53:55,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:53:57,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:54:01,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.43s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:54:05,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.88s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 00:54:09,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.66s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:54:14,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 00:54:18,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.77s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 00:54:21,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.89s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:54:26,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:54:28,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:54:31,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.26s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:54:34,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:54:36,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:54:39,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:54:40,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:54:42,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:54:45,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.95s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:54:46,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:55:21,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:55:23,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:55:23,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 67 states and 100 transitions. [2024-11-09 00:55:23,220 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 100 transitions. [2024-11-09 00:55:23,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:55:23,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:55:23,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:55:23,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:55:23,224 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:55:23,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-09 00:55:25,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:25,648 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:55:25,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:25,799 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 00:55:25,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:55:28,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:55:28,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-09 00:56:03,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:56:03,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 63 states and 91 transitions. [2024-11-09 00:56:03,151 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 91 transitions. [2024-11-09 00:56:03,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:56:03,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:56:03,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:56:03,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:56:03,155 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:56:03,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-09 00:56:05,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:56:05,652 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:56:05,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:56:05,809 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:56:05,811 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:56:16,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:56:16,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-09 00:59:42,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 00:59:44,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:59:47,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:59:47,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:47,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 63 states and 89 transitions. [2024-11-09 00:59:47,553 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 89 transitions. [2024-11-09 00:59:47,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 00:59:47,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:47,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:47,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:47,557 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:47,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-09 00:59:49,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:49,962 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:50,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:59:50,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:50,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:59:50,541 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-11-09 00:59:57,128 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:59:57,129 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 12 [2024-11-09 01:00:11,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:00:11,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfa92b5-4a75-420a-aadc-b490369185ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0