./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi --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 72455efc81eec5ddd76b20b40b527abca0a7be39904d76400cfd4c88dae80563 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:59:06,472 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:59:06,574 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:59:06,580 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:59:06,580 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:59:06,616 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:59:06,617 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:59:06,618 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:59:06,619 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:59:06,619 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:59:06,620 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:59:06,620 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:59:06,621 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:59:06,621 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:59:06,622 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:59:06,622 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:59:06,623 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:59:06,624 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:59:06,624 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:59:06,628 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:59:06,632 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:59:06,633 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:59:06,634 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:59:06,635 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:59:06,636 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:59:06,637 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:59:06,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:06,638 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:59:06,638 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:59:06,639 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:59:06,640 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:59:06,641 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:59:06,641 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:59:06,641 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_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72455efc81eec5ddd76b20b40b527abca0a7be39904d76400cfd4c88dae80563 [2023-11-24 22:59:06,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:59:07,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:59:07,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:59:07,019 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:59:07,020 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:59:07,021 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2023-11-24 22:59:10,120 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:59:10,321 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:59:10,322 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2023-11-24 22:59:10,330 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/data/147ff6bd6/196ac4fb7071410ba64bb422bb7efc54/FLAGa670ca109 [2023-11-24 22:59:10,346 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/data/147ff6bd6/196ac4fb7071410ba64bb422bb7efc54 [2023-11-24 22:59:10,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:59:10,349 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:59:10,353 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:10,353 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:59:10,359 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:59:10,360 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:10" (1/1) ... [2023-11-24 22:59:10,361 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bbd033b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:10, skipping insertion in model container [2023-11-24 22:59:10,361 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:10" (1/1) ... [2023-11-24 22:59:10,386 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:59:10,560 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_d531d946-11f8-4283-b606-eb6f12e49748/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c[2110,2123] [2023-11-24 22:59:10,565 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:10,575 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:59:10,603 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_d531d946-11f8-4283-b606-eb6f12e49748/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c[2110,2123] [2023-11-24 22:59:10,603 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:10,620 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:59:10,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:10 WrapperNode [2023-11-24 22:59:10,620 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:10,622 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:10,622 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:59:10,622 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:59:10,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:10" (1/1) ... [2023-11-24 22:59:10,639 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:10" (1/1) ... [2023-11-24 22:59:10,669 INFO L138 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 160 [2023-11-24 22:59:10,680 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:10,681 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:59:10,681 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:59:10,681 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:59:10,691 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:10" (1/1) ... [2023-11-24 22:59:10,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:10" (1/1) ... [2023-11-24 22:59:10,695 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:10" (1/1) ... [2023-11-24 22:59:10,697 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:10" (1/1) ... [2023-11-24 22:59:10,710 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:10" (1/1) ... [2023-11-24 22:59:10,724 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:10" (1/1) ... [2023-11-24 22:59:10,726 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:10" (1/1) ... [2023-11-24 22:59:10,728 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:10" (1/1) ... [2023-11-24 22:59:10,738 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:59:10,739 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:59:10,739 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:59:10,739 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:59:10,740 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:10" (1/1) ... [2023-11-24 22:59:10,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:10,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:59:10,780 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:59:10,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:59:10,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:59:10,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:59:10,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:59:10,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-24 22:59:10,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:59:10,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-24 22:59:10,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:59:10,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:59:10,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:59:10,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:59:10,940 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:59:10,942 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:59:11,257 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:59:11,619 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:59:11,619 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-24 22:59:11,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:11 BoogieIcfgContainer [2023-11-24 22:59:11,622 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:59:11,624 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:59:11,624 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:59:11,635 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:59:11,636 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:11" (1/1) ... [2023-11-24 22:59:11,648 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:59:11,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:11,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2023-11-24 22:59:11,722 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2023-11-24 22:59:11,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:59:11,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:11,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:11,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:11,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:11,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2023-11-24 22:59:11,940 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2023-11-24 22:59:11,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:59:11,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:11,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:11,985 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:59:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:12,136 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:59:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:12,183 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-24 22:59:12,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:59:12 ImpRootNode [2023-11-24 22:59:12,214 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:59:12,214 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:59:12,214 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:59:12,214 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:59:12,215 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:11" (3/4) ... [2023-11-24 22:59:12,217 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:59:12,218 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:59:12,219 INFO L158 Benchmark]: Toolchain (without parser) took 1869.13ms. Allocated memory is still 140.5MB. Free memory was 96.4MB in the beginning and 107.1MB in the end (delta: -10.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:59:12,219 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 104.9MB. Free memory was 74.5MB in the beginning and 74.4MB in the end (delta: 29.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:59:12,220 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.06ms. Allocated memory is still 140.5MB. Free memory was 96.4MB in the beginning and 84.7MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:59:12,221 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.39ms. Allocated memory is still 140.5MB. Free memory was 84.7MB in the beginning and 82.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:59:12,221 INFO L158 Benchmark]: Boogie Preprocessor took 57.43ms. Allocated memory is still 140.5MB. Free memory was 82.6MB in the beginning and 80.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:59:12,222 INFO L158 Benchmark]: RCFGBuilder took 882.79ms. Allocated memory is still 140.5MB. Free memory was 80.9MB in the beginning and 71.3MB in the end (delta: 9.5MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2023-11-24 22:59:12,223 INFO L158 Benchmark]: CodeCheck took 590.04ms. Allocated memory is still 140.5MB. Free memory was 71.3MB in the beginning and 108.0MB in the end (delta: -36.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:59:12,224 INFO L158 Benchmark]: Witness Printer took 3.95ms. Allocated memory is still 140.5MB. Free memory was 108.0MB in the beginning and 107.1MB in the end (delta: 884.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:59:12,232 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 1 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 12 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 98]: 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 97, overapproximation of someUnaryDOUBLEoperation at line 93, overapproximation of someBinaryArithmeticDOUBLEoperation at line 55. Possible FailurePath: [L19] static const double huge_ceil = 1.0e300; [L93] double x = -0.0; [L94] CALL, EXPR ceil_double(x) [L22] __int32_t i0, i1, j0; [L23] __uint32_t i, j; VAL [\old(x)=2, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, 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, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=1127219200, i1=0, x=2] [L30] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [\old(x)=2, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=1127219200, i1=0, j0=52, x=2] [L31] COND FALSE !(j0 < 20) VAL [\old(x)=2, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=1127219200, i1=0, j0=52, x=2] [L53] COND TRUE j0 > 51 [L54] COND FALSE !(j0 == 0x400) [L57] return x; VAL [\old(x)=2, \result=2, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=1127219200, i1=0, j0=52, x=2] [L94] RET, EXPR ceil_double(x) [L94] double res = ceil_double(x); [L97] COND TRUE res != x VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=2, x=2] [L98] reach_error() VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=2, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 104.9MB. Free memory was 74.5MB in the beginning and 74.4MB in the end (delta: 29.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.06ms. Allocated memory is still 140.5MB. Free memory was 96.4MB in the beginning and 84.7MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.39ms. Allocated memory is still 140.5MB. Free memory was 84.7MB in the beginning and 82.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.43ms. Allocated memory is still 140.5MB. Free memory was 82.6MB in the beginning and 80.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 882.79ms. Allocated memory is still 140.5MB. Free memory was 80.9MB in the beginning and 71.3MB in the end (delta: 9.5MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * CodeCheck took 590.04ms. Allocated memory is still 140.5MB. Free memory was 71.3MB in the beginning and 108.0MB in the end (delta: -36.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.95ms. Allocated memory is still 140.5MB. Free memory was 108.0MB in the beginning and 107.1MB in the end (delta: 884.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:59:12,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi --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 72455efc81eec5ddd76b20b40b527abca0a7be39904d76400cfd4c88dae80563 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:59:15,001 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:59:15,098 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 22:59:15,144 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:59:15,145 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:59:15,146 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:59:15,146 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:59:15,147 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:59:15,148 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:59:15,148 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:59:15,149 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:59:15,150 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:59:15,150 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:59:15,151 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:59:15,151 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:59:15,152 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:59:15,152 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:59:15,153 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:59:15,153 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:59:15,154 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:59:15,154 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:59:15,155 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:59:15,156 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:59:15,156 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:59:15,157 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:59:15,157 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:15,158 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:59:15,158 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:59:15,159 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:15,159 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:59:15,160 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:59:15,160 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:59:15,163 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:59:15,163 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:15,164 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:59:15,164 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:59:15,165 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:59:15,166 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_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72455efc81eec5ddd76b20b40b527abca0a7be39904d76400cfd4c88dae80563 [2023-11-24 22:59:15,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:59:15,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:59:15,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:59:15,641 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:59:15,641 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:59:15,645 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2023-11-24 22:59:19,041 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:59:19,308 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:59:19,309 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2023-11-24 22:59:19,320 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/data/2fd81cada/aabd6aafafef45f0b26f963118d3caa8/FLAG572a67bd4 [2023-11-24 22:59:19,339 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/data/2fd81cada/aabd6aafafef45f0b26f963118d3caa8 [2023-11-24 22:59:19,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:59:19,349 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:59:19,351 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:19,352 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:59:19,357 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:59:19,358 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:19" (1/1) ... [2023-11-24 22:59:19,359 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6da3d727 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:19, skipping insertion in model container [2023-11-24 22:59:19,359 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:19" (1/1) ... [2023-11-24 22:59:19,387 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:59:19,603 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_d531d946-11f8-4283-b606-eb6f12e49748/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c[2110,2123] [2023-11-24 22:59:19,608 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:19,622 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:59:19,648 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_d531d946-11f8-4283-b606-eb6f12e49748/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c[2110,2123] [2023-11-24 22:59:19,649 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:19,681 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:59:19,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:19 WrapperNode [2023-11-24 22:59:19,682 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:19,683 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:19,683 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:59:19,684 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:59:19,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:19" (1/1) ... [2023-11-24 22:59:19,702 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:19" (1/1) ... [2023-11-24 22:59:19,726 INFO L138 Inliner]: procedures = 19, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 95 [2023-11-24 22:59:19,727 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:19,727 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:59:19,728 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:59:19,728 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:59:19,738 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:19" (1/1) ... [2023-11-24 22:59:19,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:19" (1/1) ... [2023-11-24 22:59:19,743 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:19" (1/1) ... [2023-11-24 22:59:19,744 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:19" (1/1) ... [2023-11-24 22:59:19,756 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:19" (1/1) ... [2023-11-24 22:59:19,761 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:19" (1/1) ... [2023-11-24 22:59:19,764 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:19" (1/1) ... [2023-11-24 22:59:19,766 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:19" (1/1) ... [2023-11-24 22:59:19,771 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:59:19,772 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:59:19,772 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:59:19,772 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:59:19,773 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:19" (1/1) ... [2023-11-24 22:59:19,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:19,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:59:19,822 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:59:19,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:59:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:59:19,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-24 22:59:19,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-24 22:59:19,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:59:19,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:59:19,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:59:19,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:59:19,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:59:19,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:59:19,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:59:19,961 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:59:19,964 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:59:21,621 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:59:21,807 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:59:21,808 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-24 22:59:21,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:21 BoogieIcfgContainer [2023-11-24 22:59:21,810 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:59:21,811 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:59:21,811 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:59:21,822 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:59:21,823 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:21" (1/1) ... [2023-11-24 22:59:21,832 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:59:21,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:21,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2023-11-24 22:59:21,894 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2023-11-24 22:59:21,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:59:21,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:21,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:21,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:59:21,901 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:59:21,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:59:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:22,119 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:59:22,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:22,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:59:22,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:22,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:22,193 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:59:22,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:59:22,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:22,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2023-11-24 22:59:22,386 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2023-11-24 22:59:22,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:59:22,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:22,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:22,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:59:22,389 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:59:22,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-24 22:59:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:22,693 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:59:22,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:22,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:59:22,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:22,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:22,901 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:59:22,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-24 22:59:23,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:23,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2023-11-24 22:59:23,102 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-11-24 22:59:23,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:59:23,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:23,103 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:23,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:59:23,105 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:59:23,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-24 22:59:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:23,337 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:59:23,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:23,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 22:59:23,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:23,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:23,482 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:59:23,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-24 22:59:23,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:23,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2023-11-24 22:59:23,956 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2023-11-24 22:59:23,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:59:23,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:23,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:23,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:59:23,961 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:59:23,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-24 22:59:24,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:24,173 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:59:24,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:24,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:59:24,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:24,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:24,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-11-24 22:59:24,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:24,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 15 states and 14 transitions. [2023-11-24 22:59:24,490 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2023-11-24 22:59:24,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:59:24,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:24,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:24,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:59:24,493 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:59:24,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-24 22:59:24,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:24,888 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:59:24,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:24,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 22:59:24,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:25,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:59:25,092 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2023-11-24 22:59:26,798 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 22:59:26,798 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 17 treesize of output 9 [2023-11-24 22:59:26,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:27,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-24 22:59:30,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:30,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 13 states and 12 transitions. [2023-11-24 22:59:30,175 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2023-11-24 22:59:30,175 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:59:30,175 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2023-11-24 22:59:30,183 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-24 22:59:30,400 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2023-11-24 22:59:30,405 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-24 22:59:30,406 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2023-11-24 22:59:30,407 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-24 22:59:30,407 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:59:30,407 INFO L560 CodeCheckObserver]: Invariant with dag size 29 [2023-11-24 22:59:30,409 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-24 22:59:30,412 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_13 : bv64, v_ULTIMATE.start_ceil_double_~#ew_u~0#1.base_19 : bv32 :: (#memory_int[v_ULTIMATE.start_ceil_double_~#ew_u~0#1.base_19][4bv32] == v_skolemized_q#valueAsBitvector_13[63:32] && ~fp~64(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~x~0) && #memory_int[v_ULTIMATE.start_ceil_double_~#ew_u~0#1.base_19][0bv32] == v_skolemized_q#valueAsBitvector_13[31:0]) could not be translated [2023-11-24 22:59:30,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:59:30 ImpRootNode [2023-11-24 22:59:30,413 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:59:30,414 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:59:30,414 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:59:30,414 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:59:30,415 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:21" (3/4) ... [2023-11-24 22:59:30,417 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:59:30,425 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-24 22:59:30,426 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-24 22:59:30,426 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 22:59:30,426 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:59:30,467 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == x) [2023-11-24 22:59:30,521 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == x) [2023-11-24 22:59:30,584 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:59:30,585 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 22:59:30,585 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:59:30,586 INFO L158 Benchmark]: Toolchain (without parser) took 11237.34ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 47.9MB in the beginning and 76.5MB in the end (delta: -28.6MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2023-11-24 22:59:30,586 INFO L158 Benchmark]: CDTParser took 2.18ms. Allocated memory is still 75.5MB. Free memory is still 51.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:59:30,587 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.97ms. Allocated memory is still 75.5MB. Free memory was 47.7MB in the beginning and 54.9MB in the end (delta: -7.2MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2023-11-24 22:59:30,588 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.76ms. Allocated memory is still 75.5MB. Free memory was 54.9MB in the beginning and 52.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:59:30,588 INFO L158 Benchmark]: Boogie Preprocessor took 43.55ms. Allocated memory is still 75.5MB. Free memory was 52.9MB in the beginning and 51.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:59:30,588 INFO L158 Benchmark]: RCFGBuilder took 2038.48ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 51.3MB in the beginning and 74.2MB in the end (delta: -22.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-24 22:59:30,589 INFO L158 Benchmark]: CodeCheck took 8602.03ms. Allocated memory is still 102.8MB. Free memory was 74.2MB in the beginning and 35.3MB in the end (delta: 38.9MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2023-11-24 22:59:30,589 INFO L158 Benchmark]: Witness Printer took 171.69ms. Allocated memory is still 102.8MB. Free memory was 35.3MB in the beginning and 76.5MB in the end (delta: -41.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:59:30,592 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 1 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 177 SdHoareTripleChecker+Valid, 4.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 93 SdHoareTripleChecker+Invalid, 4.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 134 IncrementalHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 79 mSDtfsCounter, 134 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 391 GetRequests, 364 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 45 ConstructedInterpolants, 12 QuantifiedInterpolants, 456 SizeOfPredicates, 24 NumberOfNonLiveVariables, 199 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 - PositiveResult [Line: 98]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: (x == x) - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: (\result == x) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: ((i1 == 0) && (i0 == -2147483648)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.18ms. Allocated memory is still 75.5MB. Free memory is still 51.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.97ms. Allocated memory is still 75.5MB. Free memory was 47.7MB in the beginning and 54.9MB in the end (delta: -7.2MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.76ms. Allocated memory is still 75.5MB. Free memory was 54.9MB in the beginning and 52.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.55ms. Allocated memory is still 75.5MB. Free memory was 52.9MB in the beginning and 51.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 2038.48ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 51.3MB in the beginning and 74.2MB in the end (delta: -22.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 8602.03ms. Allocated memory is still 102.8MB. Free memory was 74.2MB in the beginning and 35.3MB in the end (delta: 38.9MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. * Witness Printer took 171.69ms. Allocated memory is still 102.8MB. Free memory was 35.3MB in the beginning and 76.5MB in the end (delta: -41.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_13 : bv64, v_ULTIMATE.start_ceil_double_~#ew_u~0#1.base_19 : bv32 :: (#memory_int[v_ULTIMATE.start_ceil_double_~#ew_u~0#1.base_19][4bv32] == v_skolemized_q#valueAsBitvector_13[63:32] && ~fp~64(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~x~0) && #memory_int[v_ULTIMATE.start_ceil_double_~#ew_u~0#1.base_19][0bv32] == v_skolemized_q#valueAsBitvector_13[31:0]) could not be translated RESULT: Ultimate proved your program to be correct! [2023-11-24 22:59:30,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531d946-11f8-4283-b606-eb6f12e49748/bin/ukojak-verify-afCqCEvfdi/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 Writing output log to file Ultimate.log Result: TRUE