./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 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_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/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_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/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_2fbe11d1-111a-453d-903f-185b4cc2cf05/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_2fbe11d1-111a-453d-903f-185b4cc2cf05/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 ec4125207afaf1b514f6960540fbcd04b5d06d11b290a09d0632548b03e12b1f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:52:45,286 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:52:45,366 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:52:45,374 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:52:45,376 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:52:45,435 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:52:45,436 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:52:45,436 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:52:45,437 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:52:45,440 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:52:45,440 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:52:45,441 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:52:45,441 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:52:45,442 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:52:45,442 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:52:45,443 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:52:45,446 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:52:45,446 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:52:45,446 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:52:45,447 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:52:45,447 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:52:45,448 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:52:45,452 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:52:45,452 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:52:45,453 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:52:45,453 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:52:45,453 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:52:45,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:52:45,454 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:52:45,454 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:52:45,455 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:52:45,455 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:52:45,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:52:45,472 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_2fbe11d1-111a-453d-903f-185b4cc2cf05/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec4125207afaf1b514f6960540fbcd04b5d06d11b290a09d0632548b03e12b1f [2024-11-08 22:52:45,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:52:45,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:52:45,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:52:45,842 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:52:45,842 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:52:45,844 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-newlib/double_req_bl_1210.c Unable to find full path for "g++" [2024-11-08 22:52:47,872 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:52:48,092 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:52:48,094 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/sv-benchmarks/c/float-newlib/double_req_bl_1210.c [2024-11-08 22:52:48,103 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/data/264b874ee/39d6a7595e9b43e08b25ae4521b831e5/FLAG51723764b [2024-11-08 22:52:48,128 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/data/264b874ee/39d6a7595e9b43e08b25ae4521b831e5 [2024-11-08 22:52:48,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:52:48,139 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:52:48,143 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:52:48,143 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:52:48,152 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:52:48,153 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:52:48" (1/1) ... [2024-11-08 22:52:48,155 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62223986 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:48, skipping insertion in model container [2024-11-08 22:52:48,158 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:52:48" (1/1) ... [2024-11-08 22:52:48,230 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:52:48,534 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_2fbe11d1-111a-453d-903f-185b4cc2cf05/sv-benchmarks/c/float-newlib/double_req_bl_1210.c[3091,3104] [2024-11-08 22:52:48,538 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:52:48,555 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:52:48,594 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_2fbe11d1-111a-453d-903f-185b4cc2cf05/sv-benchmarks/c/float-newlib/double_req_bl_1210.c[3091,3104] [2024-11-08 22:52:48,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:52:48,617 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:52:48,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:48 WrapperNode [2024-11-08 22:52:48,618 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:52:48,619 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:52:48,619 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:52:48,619 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:52:48,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:48" (1/1) ... [2024-11-08 22:52:48,639 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:48" (1/1) ... [2024-11-08 22:52:48,676 INFO L138 Inliner]: procedures = 16, calls = 70, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 258 [2024-11-08 22:52:48,677 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:52:48,678 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:52:48,678 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:52:48,678 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:52:48,689 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:48" (1/1) ... [2024-11-08 22:52:48,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:48" (1/1) ... [2024-11-08 22:52:48,698 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:48" (1/1) ... [2024-11-08 22:52:48,699 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:48" (1/1) ... [2024-11-08 22:52:48,715 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:48" (1/1) ... [2024-11-08 22:52:48,721 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:48" (1/1) ... [2024-11-08 22:52:48,723 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:48" (1/1) ... [2024-11-08 22:52:48,725 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:48" (1/1) ... [2024-11-08 22:52:48,728 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:52:48,729 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:52:48,729 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:52:48,729 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:52:48,730 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:48" (1/1) ... [2024-11-08 22:52:48,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:52:48,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:52:48,772 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:52:48,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:52:48,810 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2024-11-08 22:52:48,810 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2024-11-08 22:52:48,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:52:48,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:52:48,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:52:48,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-08 22:52:48,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 22:52:48,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-08 22:52:48,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:52:48,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:52:48,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 22:52:48,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:52:48,904 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:52:48,907 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:52:49,376 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-11-08 22:52:49,376 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:52:49,537 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:52:49,538 INFO L316 CfgBuilder]: Removed 20 assume(true) statements. [2024-11-08 22:52:49,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:52:49 BoogieIcfgContainer [2024-11-08 22:52:49,538 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:52:49,539 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:52:49,539 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:52:49,551 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:52:49,551 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:52:49" (1/1) ... [2024-11-08 22:52:49,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:52:49,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:49,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 46 states and 73 transitions. [2024-11-08 22:52:49,617 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 73 transitions. [2024-11-08 22:52:49,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 22:52:49,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:49,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:52:49,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:49,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:52:49,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:49,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 46 states and 68 transitions. [2024-11-08 22:52:49,836 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 68 transitions. [2024-11-08 22:52:49,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:52:49,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:49,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:52:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:50,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:52:50,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:50,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 47 states and 69 transitions. [2024-11-08 22:52:50,123 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 69 transitions. [2024-11-08 22:52:50,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 22:52:50,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:50,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:52:50,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:52:50,224 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:52:50,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:52:50,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:52:50,368 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:52:50,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:52:50,435 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-08 22:52:50,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:52:50 ImpRootNode [2024-11-08 22:52:50,480 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:52:50,481 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:52:50,481 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:52:50,482 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:52:50,482 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:52:49" (3/4) ... [2024-11-08 22:52:50,485 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:52:50,486 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:52:50,487 INFO L158 Benchmark]: Toolchain (without parser) took 2348.47ms. Allocated memory was 125.8MB in the beginning and 174.1MB in the end (delta: 48.2MB). Free memory was 62.4MB in the beginning and 114.0MB in the end (delta: -51.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:52:50,488 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 125.8MB. Free memory was 98.6MB in the beginning and 98.5MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:52:50,489 INFO L158 Benchmark]: CACSL2BoogieTranslator took 475.76ms. Allocated memory was 125.8MB in the beginning and 174.1MB in the end (delta: 48.2MB). Free memory was 62.3MB in the beginning and 132.0MB in the end (delta: -69.7MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2024-11-08 22:52:50,490 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.10ms. Allocated memory is still 174.1MB. Free memory was 132.0MB in the beginning and 129.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:52:50,492 INFO L158 Benchmark]: Boogie Preprocessor took 50.40ms. Allocated memory is still 174.1MB. Free memory was 129.9MB in the beginning and 127.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:52:50,493 INFO L158 Benchmark]: RCFGBuilder took 809.69ms. Allocated memory is still 174.1MB. Free memory was 127.8MB in the beginning and 90.1MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-08 22:52:50,494 INFO L158 Benchmark]: CodeCheck took 940.98ms. Allocated memory is still 174.1MB. Free memory was 89.8MB in the beginning and 114.0MB in the end (delta: -24.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:52:50,495 INFO L158 Benchmark]: Witness Printer took 5.16ms. Allocated memory is still 174.1MB. Free memory is still 114.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:52:50,499 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: 0.9s, 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 [iptr={17575:0}, one_modf=1] [L25] ieee_double_shape_type ew_u; [L26] ew_u.value = (x) [L27] EXPR ew_u.parts.msw [L27] (i0) = ew_u.parts.msw [L28] EXPR ew_u.parts.lsw [L28] (i1) = ew_u.parts.lsw [L30] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [i0=0, i1=0, iptr={17575:0}, j0=-1023, one_modf=1, x=11] [L31] COND TRUE j0 < 20 VAL [i0=0, i1=0, iptr={17575:0}, j0=-1023, one_modf=1, x=11] [L32] COND TRUE j0 < 0 VAL [i0=0, i1=0, iptr={17575:0}, one_modf=1, x=11] [L34] ieee_double_shape_type iw_u; [L35] iw_u.parts.msw = (i0 & 0x80000000) [L36] iw_u.parts.lsw = (0) [L37] EXPR iw_u.value [L37] (*iptr) = iw_u.value [L39] return x; VAL [\result=11, i0=0, i1=0, iptr={17575:0}, one_modf=1] [L120] RET, EXPR modf_double(x, &iptr) [L120] double res = modf_double(x, &iptr); [L123] EXPR \read(iptr) VAL [one_modf=1, res=11] [L123] CALL, EXPR isnan_double(iptr) VAL [\old(x)=6, one_modf=1] [L17] return x != x; [L123] RET, EXPR isnan_double(iptr) VAL [one_modf=1, res=11] [L123] isnan_double(iptr) && !isnan_double(res) VAL [one_modf=1, res=11] [L123] CALL, EXPR isnan_double(res) VAL [\old(x)=11, one_modf=1] [L17] return x != x; [L123] RET, EXPR isnan_double(res) VAL [one_modf=1, res=11] [L123] isnan_double(iptr) && !isnan_double(res) VAL [one_modf=1, res=11] [L123] COND TRUE isnan_double(iptr) && !isnan_double(res) [L124] reach_error() VAL [one_modf=1, res=11] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 125.8MB. Free memory was 98.6MB in the beginning and 98.5MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 475.76ms. Allocated memory was 125.8MB in the beginning and 174.1MB in the end (delta: 48.2MB). Free memory was 62.3MB in the beginning and 132.0MB in the end (delta: -69.7MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.10ms. Allocated memory is still 174.1MB. Free memory was 132.0MB in the beginning and 129.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.40ms. Allocated memory is still 174.1MB. Free memory was 129.9MB in the beginning and 127.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 809.69ms. Allocated memory is still 174.1MB. Free memory was 127.8MB in the beginning and 90.1MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * CodeCheck took 940.98ms. Allocated memory is still 174.1MB. Free memory was 89.8MB in the beginning and 114.0MB in the end (delta: -24.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.16ms. Allocated memory is still 174.1MB. Free memory is still 114.0MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:52:50,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/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_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/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_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/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_2fbe11d1-111a-453d-903f-185b4cc2cf05/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_2fbe11d1-111a-453d-903f-185b4cc2cf05/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 ec4125207afaf1b514f6960540fbcd04b5d06d11b290a09d0632548b03e12b1f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:52:53,116 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:52:53,222 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 22:52:53,265 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:52:53,266 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:52:53,267 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:52:53,268 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:52:53,270 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:52:53,271 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:52:53,271 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:52:53,272 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:52:53,272 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:52:53,273 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:52:53,275 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:52:53,275 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:52:53,276 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:52:53,276 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:52:53,276 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:52:53,277 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:52:53,277 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:52:53,277 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:52:53,281 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:52:53,281 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:52:53,281 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:52:53,282 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:52:53,282 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:52:53,282 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:53,283 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:52:53,283 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:52:53,283 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:52:53,284 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:52:53,284 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:52:53,284 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:52:53,285 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:52:53,285 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:53,285 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:52:53,285 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_2fbe11d1-111a-453d-903f-185b4cc2cf05/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec4125207afaf1b514f6960540fbcd04b5d06d11b290a09d0632548b03e12b1f [2024-11-08 22:52:53,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:52:53,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:52:53,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:52:53,704 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:52:53,705 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:52:53,706 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-newlib/double_req_bl_1210.c Unable to find full path for "g++" [2024-11-08 22:52:55,669 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:52:55,922 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:52:55,922 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/sv-benchmarks/c/float-newlib/double_req_bl_1210.c [2024-11-08 22:52:55,929 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/data/501ba5966/5f507132109044efbffbc066cf61c4d9/FLAGb82224c74 [2024-11-08 22:52:56,264 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/data/501ba5966/5f507132109044efbffbc066cf61c4d9 [2024-11-08 22:52:56,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:52:56,268 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:52:56,270 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:52:56,270 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:52:56,274 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:52:56,275 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:52:56" (1/1) ... [2024-11-08 22:52:56,276 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eb44ec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:56, skipping insertion in model container [2024-11-08 22:52:56,277 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:52:56" (1/1) ... [2024-11-08 22:52:56,305 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:52:56,551 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_2fbe11d1-111a-453d-903f-185b4cc2cf05/sv-benchmarks/c/float-newlib/double_req_bl_1210.c[3091,3104] [2024-11-08 22:52:56,557 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:52:56,614 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:52:56,715 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_2fbe11d1-111a-453d-903f-185b4cc2cf05/sv-benchmarks/c/float-newlib/double_req_bl_1210.c[3091,3104] [2024-11-08 22:52:56,716 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:52:56,741 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:52:56,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:56 WrapperNode [2024-11-08 22:52:56,742 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:52:56,743 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:52:56,743 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:52:56,744 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:52:56,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:56" (1/1) ... [2024-11-08 22:52:56,772 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:56" (1/1) ... [2024-11-08 22:52:56,811 INFO L138 Inliner]: procedures = 19, calls = 70, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 202 [2024-11-08 22:52:56,811 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:52:56,812 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:52:56,816 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:52:56,817 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:52:56,827 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:56" (1/1) ... [2024-11-08 22:52:56,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:56" (1/1) ... [2024-11-08 22:52:56,838 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:56" (1/1) ... [2024-11-08 22:52:56,838 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:56" (1/1) ... [2024-11-08 22:52:56,859 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:56" (1/1) ... [2024-11-08 22:52:56,870 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:56" (1/1) ... [2024-11-08 22:52:56,873 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:56" (1/1) ... [2024-11-08 22:52:56,879 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:56" (1/1) ... [2024-11-08 22:52:56,885 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:52:56,886 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:52:56,887 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:52:56,887 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:52:56,888 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:56" (1/1) ... [2024-11-08 22:52:56,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:52:56,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:52:56,941 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:52:56,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:52:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2024-11-08 22:52:56,978 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2024-11-08 22:52:56,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:52:56,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-08 22:52:56,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-08 22:52:56,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:52:56,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:52:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 22:52:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:52:56,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:52:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-08 22:52:56,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:52:57,114 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:52:57,117 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:52:57,879 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-11-08 22:52:57,879 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:52:57,913 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:52:57,914 INFO L316 CfgBuilder]: Removed 20 assume(true) statements. [2024-11-08 22:52:57,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:52:57 BoogieIcfgContainer [2024-11-08 22:52:57,914 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:52:57,915 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:52:57,915 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:52:57,930 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:52:57,930 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:52:57" (1/1) ... [2024-11-08 22:52:57,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:52:57,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:58,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 46 states and 73 transitions. [2024-11-08 22:52:58,000 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 73 transitions. [2024-11-08 22:52:58,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 22:52:58,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:58,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:58,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:58,017 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:58,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:52:58,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:58,259 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:58,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:58,305 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 22:52:58,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:58,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:52:58,346 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:52:58,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:52:58,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:58,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 46 states and 68 transitions. [2024-11-08 22:52:58,386 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 68 transitions. [2024-11-08 22:52:58,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:52:58,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:58,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:58,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:58,392 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:58,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:52:58,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:58,580 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:58,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 22:52:58,633 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:58,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:52:58,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 22:52:58,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:58,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 46 states and 66 transitions. [2024-11-08 22:52:58,654 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 66 transitions. [2024-11-08 22:52:58,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:52:58,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:58,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:58,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:58,658 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:58,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 22:52:58,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:58,868 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:58,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:58,936 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:52:58,937 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:58,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:52:58,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 22:52:59,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:59,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 47 states and 67 transitions. [2024-11-08 22:52:59,030 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2024-11-08 22:52:59,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 22:52:59,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:59,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:59,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:59,034 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:59,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 22:52:59,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:59,303 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:59,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:59,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:52:59,369 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:59,854 INFO L349 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2024-11-08 22:52:59,856 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 [2024-11-08 22:52:59,904 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 [2024-11-08 22:53:00,021 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 [2024-11-08 22:53:00,111 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:53:00,113 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2024-11-08 22:53:00,260 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 36 treesize of output 17 [2024-11-08 22:53:00,647 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:53:00,648 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 [2024-11-08 22:53:00,970 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:53:00,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-08 22:53:03,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:03,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 51 states and 78 transitions. [2024-11-08 22:53:03,232 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 78 transitions. [2024-11-08 22:53:03,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 22:53:03,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:03,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:03,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:03,237 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:03,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 22:53:03,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:03,476 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:03,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:03,514 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 22:53:03,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:03,518 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:53:03,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-08 22:53:03,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:03,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 51 states and 74 transitions. [2024-11-08 22:53:03,534 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2024-11-08 22:53:03,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 22:53:03,535 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:03,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:03,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:03,538 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:03,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 22:53:03,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:03,762 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:03,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:03,795 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 22:53:03,796 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:03,798 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:53:03,801 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:53:03,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:03,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:03,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 51 states and 72 transitions. [2024-11-08 22:53:03,821 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2024-11-08 22:53:03,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 22:53:03,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:03,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:03,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:03,825 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:03,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 22:53:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:04,029 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:04,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:04,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 22:53:04,074 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:04,076 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:53:04,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-08 22:53:04,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:04,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 51 states and 68 transitions. [2024-11-08 22:53:04,110 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2024-11-08 22:53:04,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 22:53:04,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:04,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:04,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:04,119 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:04,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 22:53:04,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:04,553 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:04,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:04,624 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 22:53:04,628 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:05,441 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 [2024-11-08 22:53:05,521 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 35 treesize of output 43 [2024-11-08 22:53:05,571 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 14 treesize of output 18 [2024-11-08 22:53:05,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 46 treesize of output 27 [2024-11-08 22:53:05,624 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 [2024-11-08 22:53:05,641 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 14 treesize of output 10 [2024-11-08 22:53:06,102 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:53:06,102 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 [2024-11-08 22:53:06,608 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:53:06,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:13,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:13,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 53 states and 76 transitions. [2024-11-08 22:53:13,012 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2024-11-08 22:53:13,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 22:53:13,013 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:13,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:13,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:13,015 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:13,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 22:53:13,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:13,380 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:13,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:13,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 22:53:13,439 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:14,127 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 [2024-11-08 22:53:14,195 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 32 treesize of output 40 [2024-11-08 22:53:14,215 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 48 treesize of output 27 [2024-11-08 22:53:14,238 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 [2024-11-08 22:53:14,761 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:53:14,762 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 [2024-11-08 22:53:15,237 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:53:15,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-08 22:53:19,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:53:24,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:53:31,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:31,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 55 states and 81 transitions. [2024-11-08 22:53:31,237 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 81 transitions. [2024-11-08 22:53:31,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 22:53:31,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:31,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:31,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:31,242 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:31,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-08 22:53:31,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:31,458 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:31,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:31,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 22:53:31,494 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:31,496 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:53:31,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-08 22:53:31,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:31,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 55 states and 77 transitions. [2024-11-08 22:53:31,524 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2024-11-08 22:53:31,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 22:53:31,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:31,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:31,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:31,529 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:31,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe11d1-111a-453d-903f-185b4cc2cf05/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-08 22:53:32,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:53:32,488 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:53:33,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat