./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1230.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1230.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7a8b477e0de82621230934ea5797a52ab61045346694bc3bac8acbd53f389ba3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:30:50,794 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:30:50,938 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:30:50,957 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:30:50,962 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:30:51,018 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:30:51,025 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:30:51,025 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:30:51,027 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:30:51,036 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:30:51,037 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:30:51,037 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:30:51,038 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:30:51,040 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:30:51,041 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:30:51,041 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:30:51,042 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:30:51,042 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:30:51,043 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:30:51,043 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:30:51,044 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:30:51,045 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:30:51,047 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:30:51,048 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:30:51,049 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:30:51,050 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:30:51,050 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:30:51,051 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:30:51,051 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:30:51,052 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:30:51,054 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:30:51,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:30:51,054 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:30:51,056 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_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a8b477e0de82621230934ea5797a52ab61045346694bc3bac8acbd53f389ba3 [2023-11-19 03:30:51,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:30:51,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:30:51,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:30:51,519 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:30:51,519 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:30:51,521 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/double_req_bl_1230.c [2023-11-19 03:30:55,271 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:30:55,575 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:30:55,576 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318605d-33ed-46af-825c-351a459196da/sv-benchmarks/c/float-newlib/double_req_bl_1230.c [2023-11-19 03:30:55,586 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL/data/40a264465/28629c7bbeed4d27b38a7fa975ec3717/FLAG31a8cbb43 [2023-11-19 03:30:55,604 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL/data/40a264465/28629c7bbeed4d27b38a7fa975ec3717 [2023-11-19 03:30:55,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:30:55,610 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:30:55,612 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:30:55,612 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:30:55,619 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:30:55,620 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:30:55" (1/1) ... [2023-11-19 03:30:55,621 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3726d74e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:55, skipping insertion in model container [2023-11-19 03:30:55,622 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:30:55" (1/1) ... [2023-11-19 03:30:55,650 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:30:55,864 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_e318605d-33ed-46af-825c-351a459196da/sv-benchmarks/c/float-newlib/double_req_bl_1230.c[1667,1680] [2023-11-19 03:30:55,870 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:30:55,880 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:30:55,905 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_e318605d-33ed-46af-825c-351a459196da/sv-benchmarks/c/float-newlib/double_req_bl_1230.c[1667,1680] [2023-11-19 03:30:55,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:30:55,934 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:30:55,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:55 WrapperNode [2023-11-19 03:30:55,935 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:30:55,937 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:30:55,937 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:30:55,938 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:30:55,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:55" (1/1) ... [2023-11-19 03:30:55,958 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:55" (1/1) ... [2023-11-19 03:30:55,981 INFO L138 Inliner]: procedures = 18, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2023-11-19 03:30:55,982 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:30:55,982 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:30:55,983 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:30:55,983 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:30:55,993 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:55" (1/1) ... [2023-11-19 03:30:55,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:55" (1/1) ... [2023-11-19 03:30:55,996 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:55" (1/1) ... [2023-11-19 03:30:55,996 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:55" (1/1) ... [2023-11-19 03:30:56,005 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:55" (1/1) ... [2023-11-19 03:30:56,009 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:55" (1/1) ... [2023-11-19 03:30:56,011 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:55" (1/1) ... [2023-11-19 03:30:56,012 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:55" (1/1) ... [2023-11-19 03:30:56,015 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:30:56,016 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:30:56,017 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:30:56,017 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:30:56,018 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:55" (1/1) ... [2023-11-19 03:30:56,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:30:56,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:30:56,060 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:30:56,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:30:56,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:30:56,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:30:56,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:30:56,118 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2023-11-19 03:30:56,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2023-11-19 03:30:56,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 03:30:56,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:30:56,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:30:56,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:30:56,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:30:56,248 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:30:56,251 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:30:56,651 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:30:56,839 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:30:56,840 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:30:56,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:30:56 BoogieIcfgContainer [2023-11-19 03:30:56,846 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:30:56,847 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:30:56,847 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:30:56,859 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:30:56,860 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:30:56" (1/1) ... [2023-11-19 03:30:56,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:30:56,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:56,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-19 03:30:56,960 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-19 03:30:56,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:30:56,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:56,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:57,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:57,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:57,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:57,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2023-11-19 03:30:57,254 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2023-11-19 03:30:57,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:30:57,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:57,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:57,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:30:57,374 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:30:57,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:30:57,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:30:57,556 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:30:57,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:30:57,612 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 03:30:57,646 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret6 could not be translated [2023-11-19 03:30:57,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:30:57 ImpRootNode [2023-11-19 03:30:57,652 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:30:57,653 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:30:57,653 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:30:57,653 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:30:57,654 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:30:56" (3/4) ... [2023-11-19 03:30:57,656 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:30:57,658 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:30:57,659 INFO L158 Benchmark]: Toolchain (without parser) took 2048.68ms. Allocated memory is still 157.3MB. Free memory was 126.8MB in the beginning and 70.2MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2023-11-19 03:30:57,660 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 71.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:30:57,661 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.25ms. Allocated memory is still 157.3MB. Free memory was 126.1MB in the beginning and 115.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:30:57,661 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.02ms. Allocated memory is still 157.3MB. Free memory was 115.7MB in the beginning and 113.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:30:57,662 INFO L158 Benchmark]: Boogie Preprocessor took 33.10ms. Allocated memory is still 157.3MB. Free memory was 113.6MB in the beginning and 112.8MB in the end (delta: 739.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:30:57,662 INFO L158 Benchmark]: RCFGBuilder took 829.35ms. Allocated memory is still 157.3MB. Free memory was 112.2MB in the beginning and 93.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 03:30:57,663 INFO L158 Benchmark]: CodeCheck took 805.23ms. Allocated memory is still 157.3MB. Free memory was 93.3MB in the beginning and 70.2MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 03:30:57,664 INFO L158 Benchmark]: Witness Printer took 5.17ms. Allocated memory is still 157.3MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:30:57,668 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, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 13 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 70 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, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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: 68]: 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 18, overapproximation of someBinaryArithmeticDOUBLEoperation at line 63. Possible FailurePath: [L63] double x = 0.0 / 0.0; [L64] double y = 0.0 / 0.0; [L65] CALL, EXPR fmin_double(x, y) [L47] CALL, EXPR __fpclassify_double(x) VAL [\old(x)=3] [L20] __uint32_t msw, lsw; VAL [\old(x)=3, x=3] [L23] ieee_double_shape_type ew_u; [L24] EXPR ew_u.value = (x) [L25] EXPR ew_u.parts.msw [L25] EXPR (msw) = ew_u.parts.msw [L26] EXPR ew_u.parts.lsw [L26] EXPR (lsw) = ew_u.parts.lsw [L22-L27] { ieee_double_shape_type ew_u; ew_u.value = (x); (msw) = ew_u.parts.msw; (lsw) = ew_u.parts.lsw; } VAL [\old(x)=3, lsw=20534, msw=2147483647, x=3] [L29-L30] COND FALSE !((msw == 0x00000000 && lsw == 0x00000000) || (msw == 0x80000000 && lsw == 0x00000000)) [L32-L33] COND FALSE !((msw >= 0x00100000 && msw <= 0x7fefffff) || (msw >= 0x80100000 && msw <= 0xffefffff)) [L35-L36] COND FALSE !(( msw <= 0x000fffff) || (msw >= 0x80000000 && msw <= 0x800fffff)) [L39-L40] COND FALSE !((msw == 0x7ff00000 && lsw == 0x00000000) || (msw == 0xfff00000 && lsw == 0x00000000)) [L43] return 0; [L47] RET, EXPR __fpclassify_double(x) VAL [\old(x)=3, \old(y)=2, x=3, y=2] [L47] COND TRUE __fpclassify_double(x) == 0 [L48] return y; VAL [\old(x)=3, \old(y)=2, \result=2, x=3, y=2] [L65] RET, EXPR fmin_double(x, y) [L65] double res = fmin_double(x, y); [L67] CALL, EXPR isnan_double(res) [L18] return x != x; [L67] RET, EXPR isnan_double(res) [L67] COND TRUE !isnan_double(res) [L68] reach_error() VAL [res=2, x=3, y=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 71.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.25ms. Allocated memory is still 157.3MB. Free memory was 126.1MB in the beginning and 115.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.02ms. Allocated memory is still 157.3MB. Free memory was 115.7MB in the beginning and 113.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.10ms. Allocated memory is still 157.3MB. Free memory was 113.6MB in the beginning and 112.8MB in the end (delta: 739.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 829.35ms. Allocated memory is still 157.3MB. Free memory was 112.2MB in the beginning and 93.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 805.23ms. Allocated memory is still 157.3MB. Free memory was 93.3MB in the beginning and 70.2MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 5.17ms. Allocated memory is still 157.3MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret6 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:30:57,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1230.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7a8b477e0de82621230934ea5797a52ab61045346694bc3bac8acbd53f389ba3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:31:01,074 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:31:01,238 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:31:01,307 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:31:01,309 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:31:01,310 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:31:01,311 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:31:01,312 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:31:01,317 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:31:01,323 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:31:01,324 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:31:01,325 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:31:01,325 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:31:01,327 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:31:01,328 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:31:01,328 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:31:01,329 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:31:01,329 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:31:01,330 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:31:01,330 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:31:01,331 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:31:01,332 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:31:01,332 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:31:01,333 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:31:01,333 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:31:01,334 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:31:01,334 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:31:01,335 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:31:01,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:31:01,336 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:31:01,338 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:31:01,338 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:31:01,338 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:31:01,339 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:31:01,339 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:31:01,339 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:31:01,340 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:31:01,340 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_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a8b477e0de82621230934ea5797a52ab61045346694bc3bac8acbd53f389ba3 [2023-11-19 03:31:01,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:31:01,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:31:01,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:31:01,876 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:31:01,876 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:31:01,879 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/double_req_bl_1230.c [2023-11-19 03:31:05,695 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:31:05,980 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:31:05,981 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318605d-33ed-46af-825c-351a459196da/sv-benchmarks/c/float-newlib/double_req_bl_1230.c [2023-11-19 03:31:05,997 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL/data/eb9369cc6/62a86a27e44e4e1db284ace7637240b2/FLAG4c5f23ae3 [2023-11-19 03:31:06,025 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL/data/eb9369cc6/62a86a27e44e4e1db284ace7637240b2 [2023-11-19 03:31:06,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:31:06,037 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:31:06,043 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:31:06,043 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:31:06,049 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:31:06,054 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:31:06" (1/1) ... [2023-11-19 03:31:06,055 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f48d6e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:06, skipping insertion in model container [2023-11-19 03:31:06,056 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:31:06" (1/1) ... [2023-11-19 03:31:06,089 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:31:06,351 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_e318605d-33ed-46af-825c-351a459196da/sv-benchmarks/c/float-newlib/double_req_bl_1230.c[1667,1680] [2023-11-19 03:31:06,356 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:31:06,378 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:31:06,431 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_e318605d-33ed-46af-825c-351a459196da/sv-benchmarks/c/float-newlib/double_req_bl_1230.c[1667,1680] [2023-11-19 03:31:06,432 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:31:06,460 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:31:06,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:06 WrapperNode [2023-11-19 03:31:06,461 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:31:06,463 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:31:06,463 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:31:06,463 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:31:06,472 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:06" (1/1) ... [2023-11-19 03:31:06,502 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:06" (1/1) ... [2023-11-19 03:31:06,535 INFO L138 Inliner]: procedures = 21, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2023-11-19 03:31:06,535 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:31:06,537 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:31:06,537 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:31:06,538 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:31:06,549 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:06" (1/1) ... [2023-11-19 03:31:06,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:06" (1/1) ... [2023-11-19 03:31:06,566 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:06" (1/1) ... [2023-11-19 03:31:06,566 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:06" (1/1) ... [2023-11-19 03:31:06,590 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:06" (1/1) ... [2023-11-19 03:31:06,602 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:06" (1/1) ... [2023-11-19 03:31:06,606 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:06" (1/1) ... [2023-11-19 03:31:06,619 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:06" (1/1) ... [2023-11-19 03:31:06,623 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:31:06,624 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:31:06,625 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:31:06,625 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:31:06,626 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:06" (1/1) ... [2023-11-19 03:31:06,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:31:06,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:31:06,689 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:31:06,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:31:06,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:31:06,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-19 03:31:06,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:31:06,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:31:06,797 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2023-11-19 03:31:06,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2023-11-19 03:31:06,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:31:06,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:31:06,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:31:06,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:31:06,962 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:31:06,965 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:31:07,339 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:31:07,501 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:31:07,502 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:31:07,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:31:07 BoogieIcfgContainer [2023-11-19 03:31:07,508 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:31:07,509 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:31:07,509 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:31:07,523 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:31:07,523 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:31:07" (1/1) ... [2023-11-19 03:31:07,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:31:07,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:07,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2023-11-19 03:31:07,606 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2023-11-19 03:31:07,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:31:07,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:07,614 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:31:07,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:31:07,620 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:31:07,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:31:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:07,837 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:31:07,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:07,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:31:07,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:07,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:31:07,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:31:08,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:08,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2023-11-19 03:31:08,014 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2023-11-19 03:31:08,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:31:08,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:08,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:31:08,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:31:08,019 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:31:08,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:31:08,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:08,379 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:31:08,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:08,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:31:08,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:08,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:31:08,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 03:31:09,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:09,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 20 transitions. [2023-11-19 03:31:09,026 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2023-11-19 03:31:09,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:31:09,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:09,028 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:31:09,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:31:09,029 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:31:09,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 03:31:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:09,531 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:31:09,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:09,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 03:31:09,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:14,371 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:31:14,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-19 03:31:18,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:18,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 12 states and 11 transitions. [2023-11-19 03:31:18,266 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2023-11-19 03:31:18,267 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:31:18,267 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2023-11-19 03:31:18,278 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 03:31:18,663 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:31:18,666 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-19 03:31:18,669 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:31:18,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:31:18 ImpRootNode [2023-11-19 03:31:18,670 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:31:18,671 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:31:18,671 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:31:18,671 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:31:18,672 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:31:07" (3/4) ... [2023-11-19 03:31:18,674 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:31:18,679 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __fpclassify_double [2023-11-19 03:31:18,685 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-11-19 03:31:18,686 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-19 03:31:18,686 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:31:18,686 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:31:18,721 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(x) == x) [2023-11-19 03:31:18,772 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(x) == x) [2023-11-19 03:31:18,840 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:31:18,840 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:31:18,841 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:31:18,842 INFO L158 Benchmark]: Toolchain (without parser) took 12805.03ms. Allocated memory was 75.5MB in the beginning and 142.6MB in the end (delta: 67.1MB). Free memory was 51.7MB in the beginning and 83.7MB in the end (delta: -32.0MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. [2023-11-19 03:31:18,842 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 75.5MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:31:18,847 INFO L158 Benchmark]: CACSL2BoogieTranslator took 418.65ms. Allocated memory is still 75.5MB. Free memory was 51.5MB in the beginning and 39.8MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:31:18,847 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.87ms. Allocated memory is still 75.5MB. Free memory was 39.8MB in the beginning and 38.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:31:18,848 INFO L158 Benchmark]: Boogie Preprocessor took 86.51ms. Allocated memory is still 75.5MB. Free memory was 38.1MB in the beginning and 36.7MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:31:18,849 INFO L158 Benchmark]: RCFGBuilder took 883.38ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 36.5MB in the beginning and 58.6MB in the end (delta: -22.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:31:18,850 INFO L158 Benchmark]: CodeCheck took 11161.45ms. Allocated memory was 96.5MB in the beginning and 142.6MB in the end (delta: 46.1MB). Free memory was 58.2MB in the beginning and 87.8MB in the end (delta: -29.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 03:31:18,851 INFO L158 Benchmark]: Witness Printer took 169.74ms. Allocated memory is still 142.6MB. Free memory was 87.8MB in the beginning and 83.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:31:18,853 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, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.7s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 103 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 54 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 72 IncrementalHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 52 mSDtfsCounter, 72 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 282 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 36 ConstructedInterpolants, 7 QuantifiedInterpolants, 363 SizeOfPredicates, 16 NumberOfNonLiveVariables, 164 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 5/5 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: 68]: 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: 46]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: (\old(x) == x) - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 75.5MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 418.65ms. Allocated memory is still 75.5MB. Free memory was 51.5MB in the beginning and 39.8MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.87ms. Allocated memory is still 75.5MB. Free memory was 39.8MB in the beginning and 38.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 86.51ms. Allocated memory is still 75.5MB. Free memory was 38.1MB in the beginning and 36.7MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 883.38ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 36.5MB in the beginning and 58.6MB in the end (delta: -22.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * CodeCheck took 11161.45ms. Allocated memory was 96.5MB in the beginning and 142.6MB in the end (delta: 46.1MB). Free memory was 58.2MB in the beginning and 87.8MB in the end (delta: -29.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 169.74ms. Allocated memory is still 142.6MB. Free memory was 87.8MB in the beginning and 83.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:31:18,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318605d-33ed-46af-825c-351a459196da/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE