./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1210.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1210.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ec4125207afaf1b514f6960540fbcd04b5d06d11b290a09d0632548b03e12b1f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:23:33,525 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:23:33,660 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:23:33,668 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:23:33,669 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:23:33,700 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:23:33,701 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:23:33,702 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:23:33,703 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:23:33,704 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:23:33,705 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:23:33,706 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:23:33,707 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:23:33,707 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:23:33,708 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:23:33,708 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:23:33,709 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:23:33,710 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:23:33,710 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:23:33,711 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:23:33,712 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:23:33,712 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:23:33,713 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:23:33,714 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:23:33,715 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:23:33,715 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:23:33,716 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:23:33,717 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:23:33,717 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:23:33,718 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:23:33,719 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:23:33,719 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:23:33,720 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:23:33,721 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_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec4125207afaf1b514f6960540fbcd04b5d06d11b290a09d0632548b03e12b1f [2023-11-19 03:23:34,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:23:34,122 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:23:34,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:23:34,127 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:23:34,127 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:23:34,129 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/double_req_bl_1210.c [2023-11-19 03:23:37,560 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:23:37,795 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:23:37,796 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/sv-benchmarks/c/float-newlib/double_req_bl_1210.c [2023-11-19 03:23:37,807 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/data/631d0bf92/43662f0b09764b91ab89e6a69c2d9394/FLAGcc7cf5e1c [2023-11-19 03:23:37,826 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/data/631d0bf92/43662f0b09764b91ab89e6a69c2d9394 [2023-11-19 03:23:37,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:23:37,832 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:23:37,833 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:23:37,834 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:23:37,840 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:23:37,841 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:23:37" (1/1) ... [2023-11-19 03:23:37,843 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1166e78f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:37, skipping insertion in model container [2023-11-19 03:23:37,843 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:23:37" (1/1) ... [2023-11-19 03:23:37,878 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:23:38,149 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/sv-benchmarks/c/float-newlib/double_req_bl_1210.c[3091,3104] [2023-11-19 03:23:38,154 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:23:38,167 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:23:38,210 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/sv-benchmarks/c/float-newlib/double_req_bl_1210.c[3091,3104] [2023-11-19 03:23:38,211 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:23:38,230 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:23:38,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:38 WrapperNode [2023-11-19 03:23:38,231 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:23:38,232 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:23:38,232 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:23:38,233 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:23:38,242 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:38" (1/1) ... [2023-11-19 03:23:38,254 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:38" (1/1) ... [2023-11-19 03:23:38,288 INFO L138 Inliner]: procedures = 16, calls = 70, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 258 [2023-11-19 03:23:38,288 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:23:38,289 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:23:38,290 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:23:38,290 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:23:38,301 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:38" (1/1) ... [2023-11-19 03:23:38,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:38" (1/1) ... [2023-11-19 03:23:38,307 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:38" (1/1) ... [2023-11-19 03:23:38,307 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:38" (1/1) ... [2023-11-19 03:23:38,320 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:38" (1/1) ... [2023-11-19 03:23:38,327 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:38" (1/1) ... [2023-11-19 03:23:38,329 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:38" (1/1) ... [2023-11-19 03:23:38,332 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:38" (1/1) ... [2023-11-19 03:23:38,337 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:23:38,338 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:23:38,338 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:23:38,339 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:23:38,340 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:38" (1/1) ... [2023-11-19 03:23:38,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:23:38,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:23:38,378 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:23:38,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:23:38,439 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2023-11-19 03:23:38,440 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2023-11-19 03:23:38,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:23:38,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:23:38,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:23:38,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 03:23:38,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:23:38,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 03:23:38,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:23:38,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:23:38,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:23:38,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:23:38,612 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:23:38,616 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:23:39,190 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:23:39,379 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:23:39,384 INFO L302 CfgBuilder]: Removed 20 assume(true) statements. [2023-11-19 03:23:39,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:23:39 BoogieIcfgContainer [2023-11-19 03:23:39,392 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:23:39,394 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:23:39,396 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:23:39,408 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:23:39,409 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:23:39" (1/1) ... [2023-11-19 03:23:39,422 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:23:39,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:39,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 46 states and 73 transitions. [2023-11-19 03:23:39,509 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 73 transitions. [2023-11-19 03:23:39,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:23:39,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:39,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:39,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:39,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:39,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:39,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 46 states and 68 transitions. [2023-11-19 03:23:39,832 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 68 transitions. [2023-11-19 03:23:39,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:23:39,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:39,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:39,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:40,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:40,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:40,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 47 states and 69 transitions. [2023-11-19 03:23:40,108 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 69 transitions. [2023-11-19 03:23:40,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:23:40,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:40,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:40,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:23:40,309 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:23:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:23:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:23:40,462 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:23:40,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:23:40,540 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-11-19 03:23:40,574 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem25 could not be translated [2023-11-19 03:23:40,575 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem25 could not be translated [2023-11-19 03:23:40,576 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret26 could not be translated [2023-11-19 03:23:40,577 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret26 could not be translated [2023-11-19 03:23:40,577 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem25 could not be translated [2023-11-19 03:23:40,577 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short28 could not be translated [2023-11-19 03:23:40,578 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short28 could not be translated [2023-11-19 03:23:40,578 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem25 could not be translated [2023-11-19 03:23:40,579 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret27 could not be translated [2023-11-19 03:23:40,579 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret26 could not be translated [2023-11-19 03:23:40,580 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret27 could not be translated [2023-11-19 03:23:40,580 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem25 could not be translated [2023-11-19 03:23:40,580 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short28 could not be translated [2023-11-19 03:23:40,581 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret26 could not be translated [2023-11-19 03:23:40,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:23:40 ImpRootNode [2023-11-19 03:23:40,596 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:23:40,596 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:23:40,597 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:23:40,597 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:23:40,598 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:23:39" (3/4) ... [2023-11-19 03:23:40,601 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:23:40,604 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:23:40,605 INFO L158 Benchmark]: Toolchain (without parser) took 2773.58ms. Allocated memory is still 199.2MB. Free memory was 150.2MB in the beginning and 148.7MB in the end (delta: 1.4MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2023-11-19 03:23:40,606 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 146.8MB. Free memory was 94.0MB in the beginning and 93.8MB in the end (delta: 157.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:23:40,608 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.86ms. Allocated memory is still 199.2MB. Free memory was 150.2MB in the beginning and 138.5MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:23:40,609 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.36ms. Allocated memory is still 199.2MB. Free memory was 138.5MB in the beginning and 135.5MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:23:40,611 INFO L158 Benchmark]: Boogie Preprocessor took 47.80ms. Allocated memory is still 199.2MB. Free memory was 135.5MB in the beginning and 133.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:23:40,612 INFO L158 Benchmark]: RCFGBuilder took 1054.30ms. Allocated memory is still 199.2MB. Free memory was 133.4MB in the beginning and 95.7MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-19 03:23:40,616 INFO L158 Benchmark]: CodeCheck took 1201.85ms. Allocated memory is still 199.2MB. Free memory was 95.7MB in the beginning and 148.7MB in the end (delta: -53.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:23:40,618 INFO L158 Benchmark]: Witness Printer took 7.90ms. Allocated memory is still 199.2MB. Free memory is still 148.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:23:40,622 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 102 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 52 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 52 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 217 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 31 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 124]: 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 someBinaryDOUBLEComparisonOperation at line 17, overapproximation of someBinaryArithmeticDOUBLEoperation at line 118. Possible FailurePath: [L19] static const double one_modf = 1.0; [L118] double x = 0.0 / 0.0; [L119] double iptr; [L120] CALL, EXPR modf_double(x, &iptr) [L22] __int32_t i0, i1, j0; [L23] __uint32_t i; VAL [\old(x)=2, iptr={28582:0}, iptr={28582:0}, one_modf=1, x=2] [L25] ieee_double_shape_type ew_u; [L26] EXPR ew_u.value = (x) [L27] EXPR ew_u.parts.msw [L27] EXPR (i0) = ew_u.parts.msw [L28] EXPR ew_u.parts.lsw [L28] EXPR (i1) = ew_u.parts.lsw [L24-L29] { ieee_double_shape_type ew_u; ew_u.value = (x); (i0) = ew_u.parts.msw; (i1) = ew_u.parts.lsw; } VAL [\old(x)=2, i0=0, i1=0, iptr={28582:0}, iptr={28582:0}, one_modf=1, x=2] [L30] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [\old(x)=2, i0=0, i1=0, iptr={28582:0}, iptr={28582:0}, j0=-1023, one_modf=1, x=2] [L31] COND TRUE j0 < 20 VAL [\old(x)=2, i0=0, i1=0, iptr={28582:0}, iptr={28582:0}, j0=-1023, one_modf=1, x=2] [L32] COND TRUE j0 < 0 VAL [\old(x)=2, i0=0, i1=0, iptr={28582:0}, iptr={28582:0}, j0=-1023, one_modf=1, x=2] [L34] ieee_double_shape_type iw_u; [L35] EXPR iw_u.parts.msw = (i0 & 0x80000000) [L36] EXPR iw_u.parts.lsw = (0) [L37] EXPR iw_u.value [L37] EXPR (*iptr) = iw_u.value [L33-L38] { ieee_double_shape_type iw_u; iw_u.parts.msw = (i0 & 0x80000000); iw_u.parts.lsw = (0); (*iptr) = iw_u.value; } VAL [\old(x)=2, i0=0, i1=0, iptr={28582:0}, iptr={28582:0}, j0=-1023, one_modf=1, x=2] [L39] return x; VAL [\old(x)=2, \result=2, i0=0, i1=0, iptr={28582:0}, iptr={28582:0}, j0=-1023, one_modf=1, x=2] [L120] RET, EXPR modf_double(x, &iptr) [L120] double res = modf_double(x, &iptr); [L123] EXPR \read(iptr) VAL [iptr={28582:0}, one_modf=1, res=2, x=2] [L123] CALL, EXPR isnan_double(iptr) VAL [\old(x)=5, one_modf=1] [L17] return x != x; [L123] RET, EXPR isnan_double(iptr) VAL [iptr={28582:0}, one_modf=1, res=2, x=2] [L123] isnan_double(iptr) && !isnan_double(res) VAL [iptr={28582:0}, one_modf=1, res=2, x=2] [L123] CALL, EXPR isnan_double(res) VAL [\old(x)=2, one_modf=1] [L17] return x != x; [L123] RET, EXPR isnan_double(res) VAL [iptr={28582:0}, one_modf=1, res=2, x=2] [L123] isnan_double(iptr) && !isnan_double(res) VAL [iptr={28582:0}, one_modf=1, res=2, x=2] [L123] COND TRUE isnan_double(iptr) && !isnan_double(res) [L124] reach_error() VAL [iptr={28582:0}, one_modf=1, res=2, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 146.8MB. Free memory was 94.0MB in the beginning and 93.8MB in the end (delta: 157.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 397.86ms. Allocated memory is still 199.2MB. Free memory was 150.2MB in the beginning and 138.5MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.36ms. Allocated memory is still 199.2MB. Free memory was 138.5MB in the beginning and 135.5MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.80ms. Allocated memory is still 199.2MB. Free memory was 135.5MB in the beginning and 133.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1054.30ms. Allocated memory is still 199.2MB. Free memory was 133.4MB in the beginning and 95.7MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * CodeCheck took 1201.85ms. Allocated memory is still 199.2MB. Free memory was 95.7MB in the beginning and 148.7MB in the end (delta: -53.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.90ms. Allocated memory is still 199.2MB. Free memory is still 148.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem25 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem25 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret26 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret26 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem25 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short28 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short28 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem25 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret27 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret26 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret27 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem25 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short28 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret26 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:23:40,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1210.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ec4125207afaf1b514f6960540fbcd04b5d06d11b290a09d0632548b03e12b1f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:23:43,660 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:23:43,814 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:23:43,887 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:23:43,888 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:23:43,889 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:23:43,890 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:23:43,891 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:23:43,893 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:23:43,899 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:23:43,899 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:23:43,900 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:23:43,900 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:23:43,902 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:23:43,903 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:23:43,903 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:23:43,904 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:23:43,904 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:23:43,905 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:23:43,906 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:23:43,907 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:23:43,907 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:23:43,908 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:23:43,908 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:23:43,909 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:23:43,909 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:23:43,910 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:23:43,910 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:23:43,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:23:43,911 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:23:43,913 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:23:43,913 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:23:43,913 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:23:43,914 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:23:43,914 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:23:43,915 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:23:43,915 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:23:43,915 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec4125207afaf1b514f6960540fbcd04b5d06d11b290a09d0632548b03e12b1f [2023-11-19 03:23:44,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:23:44,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:23:44,416 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:23:44,418 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:23:44,419 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:23:44,421 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/double_req_bl_1210.c [2023-11-19 03:23:48,007 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:23:48,366 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:23:48,367 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/sv-benchmarks/c/float-newlib/double_req_bl_1210.c [2023-11-19 03:23:48,376 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/data/b9943e438/eb36e52b8f0c42959223f3a450561a0e/FLAGb4e372eb5 [2023-11-19 03:23:48,394 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/data/b9943e438/eb36e52b8f0c42959223f3a450561a0e [2023-11-19 03:23:48,397 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:23:48,399 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:23:48,401 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:23:48,401 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:23:48,407 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:23:48,408 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:23:48" (1/1) ... [2023-11-19 03:23:48,410 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@462b3eb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:48, skipping insertion in model container [2023-11-19 03:23:48,410 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:23:48" (1/1) ... [2023-11-19 03:23:48,449 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:23:48,781 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/sv-benchmarks/c/float-newlib/double_req_bl_1210.c[3091,3104] [2023-11-19 03:23:48,786 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:23:48,816 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:23:48,895 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/sv-benchmarks/c/float-newlib/double_req_bl_1210.c[3091,3104] [2023-11-19 03:23:48,901 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:23:48,929 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:23:48,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:48 WrapperNode [2023-11-19 03:23:48,930 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:23:48,931 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:23:48,932 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:23:48,932 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:23:48,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:48" (1/1) ... [2023-11-19 03:23:48,984 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:48" (1/1) ... [2023-11-19 03:23:49,048 INFO L138 Inliner]: procedures = 19, calls = 70, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 210 [2023-11-19 03:23:49,051 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:23:49,053 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:23:49,053 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:23:49,053 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:23:49,065 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:48" (1/1) ... [2023-11-19 03:23:49,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:48" (1/1) ... [2023-11-19 03:23:49,092 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:48" (1/1) ... [2023-11-19 03:23:49,093 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:48" (1/1) ... [2023-11-19 03:23:49,124 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:48" (1/1) ... [2023-11-19 03:23:49,129 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:48" (1/1) ... [2023-11-19 03:23:49,149 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:48" (1/1) ... [2023-11-19 03:23:49,163 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:48" (1/1) ... [2023-11-19 03:23:49,168 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:23:49,169 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:23:49,173 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:23:49,173 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:23:49,175 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:48" (1/1) ... [2023-11-19 03:23:49,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:23:49,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:23:49,225 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:23:49,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:23:49,304 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2023-11-19 03:23:49,304 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2023-11-19 03:23:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:23:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-19 03:23:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-19 03:23:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:23:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:23:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:23:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:23:49,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:23:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:23:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:23:49,437 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:23:49,439 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:23:50,465 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:23:50,493 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:23:50,493 INFO L302 CfgBuilder]: Removed 20 assume(true) statements. [2023-11-19 03:23:50,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:23:50 BoogieIcfgContainer [2023-11-19 03:23:50,499 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:23:50,500 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:23:50,501 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:23:50,529 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:23:50,529 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:23:50" (1/1) ... [2023-11-19 03:23:50,541 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:23:50,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:50,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 46 states and 73 transitions. [2023-11-19 03:23:50,630 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 73 transitions. [2023-11-19 03:23:50,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:23:50,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:50,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:23:50,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:23:50,646 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:23:50,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:23:50,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:50,895 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:23:50,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:50,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:23:50,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:50,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:50,989 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:23:50,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:23:51,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:51,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 46 states and 68 transitions. [2023-11-19 03:23:51,164 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 68 transitions. [2023-11-19 03:23:51,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:23:51,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:51,166 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:23:51,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:23:51,167 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:23:51,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:23:51,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:51,434 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:23:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:51,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:23:51,480 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:51,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:51,487 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:23:51,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-19 03:23:51,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:51,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 46 states and 64 transitions. [2023-11-19 03:23:51,509 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 64 transitions. [2023-11-19 03:23:51,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:23:51,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:51,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:23:51,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:23:51,514 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:23:51,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 03:23:51,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:51,764 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:23:51,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:51,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:23:51,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:51,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:51,814 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:23:51,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-19 03:23:51,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:51,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 46 states and 62 transitions. [2023-11-19 03:23:51,848 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 62 transitions. [2023-11-19 03:23:51,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:23:51,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:51,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:23:51,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:23:51,855 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:23:51,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-19 03:23:52,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:52,138 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:23:52,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:52,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:23:52,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:52,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:52,210 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:23:52,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-19 03:23:52,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:52,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 60 transitions. [2023-11-19 03:23:52,229 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2023-11-19 03:23:52,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:23:52,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:52,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:23:52,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:23:52,234 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:23:52,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-19 03:23:52,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:52,511 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:23:52,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:52,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:23:52,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:52,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:52,588 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:23:52,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-19 03:23:52,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:52,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 47 states and 61 transitions. [2023-11-19 03:23:52,640 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2023-11-19 03:23:52,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:23:52,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:52,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:23:52,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:23:52,643 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:23:52,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-19 03:23:53,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:53,114 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:23:53,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:53,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:23:53,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:53,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2023-11-19 03:23:53,632 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 42 [2023-11-19 03:23:53,649 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:23:53,651 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2023-11-19 03:23:53,677 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 45 [2023-11-19 03:23:54,106 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:23:54,107 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 56 treesize of output 24 [2023-11-19 03:23:54,470 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:54,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-11-19 03:23:56,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:56,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 51 states and 72 transitions. [2023-11-19 03:23:56,798 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2023-11-19 03:23:56,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:23:56,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:56,799 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:23:56,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:23:56,807 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:23:56,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-19 03:23:57,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:57,111 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:23:57,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:57,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:23:57,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:57,155 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:23:57,157 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:23:57,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-11-19 03:23:57,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:57,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 51 states and 68 transitions. [2023-11-19 03:23:57,183 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2023-11-19 03:23:57,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:23:57,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:57,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:23:57,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:23:57,186 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:23:57,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-19 03:23:57,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:57,712 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:23:57,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:57,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:23:57,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:58,805 INFO L349 Elim1Store]: treesize reduction 42, result has 31.1 percent of original size [2023-11-19 03:23:58,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 80 [2023-11-19 03:23:58,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 20 [2023-11-19 03:23:58,919 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 03:23:58,928 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2023-11-19 03:23:59,058 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 03:23:59,086 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:23:59,087 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2023-11-19 03:23:59,102 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 16 treesize of output 12 [2023-11-19 03:23:59,510 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:23:59,511 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 48 treesize of output 20 [2023-11-19 03:23:59,867 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:59,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-11-19 03:24:04,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 03:24:08,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 03:24:18,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-19 03:24:33,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-19 03:24:33,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:33,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 55 states and 80 transitions. [2023-11-19 03:24:33,942 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 80 transitions. [2023-11-19 03:24:33,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:24:33,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:33,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:24:33,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:24:33,958 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:24:33,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33789ed-688d-4867-bd98-e99ab7549706/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-19 03:24:34,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:34,401 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:24:34,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:34,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 03:24:34,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:24:34,968 INFO L349 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2023-11-19 03:24:34,968 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 74 [2023-11-19 03:24:35,027 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 17 [2023-11-19 03:24:35,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 17