./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 0e0057cc 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_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9/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_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9 --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 0.2.4-dev-0e0057c [2023-12-03 01:19:28,391 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:19:28,456 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 01:19:28,460 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:19:28,460 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:19:28,482 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:19:28,482 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:19:28,483 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:19:28,484 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:19:28,484 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:19:28,485 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:19:28,485 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:19:28,486 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:19:28,486 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:19:28,487 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:19:28,487 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:19:28,488 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:19:28,488 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:19:28,489 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:19:28,489 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:19:28,490 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:19:28,491 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:19:28,491 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:19:28,492 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:19:28,492 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:19:28,493 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:19:28,493 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:19:28,493 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:19:28,494 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:19:28,494 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:19:28,495 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:19:28,495 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:19:28,495 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:19:28,495 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_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a8b477e0de82621230934ea5797a52ab61045346694bc3bac8acbd53f389ba3 [2023-12-03 01:19:28,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:19:28,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:19:28,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:19:28,742 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:19:28,742 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:19:28,744 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/double_req_bl_1230.c [2023-12-03 01:19:31,480 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:19:31,656 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:19:31,656 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e605c827-44aa-4f10-9b03-e86dc1ca1f48/sv-benchmarks/c/float-newlib/double_req_bl_1230.c [2023-12-03 01:19:31,664 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9/data/3963abbfc/0174f9cfdb3e4005a6f111da6f72c06b/FLAG11924d502 [2023-12-03 01:19:31,677 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9/data/3963abbfc/0174f9cfdb3e4005a6f111da6f72c06b [2023-12-03 01:19:31,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:19:31,681 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:19:31,682 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:19:31,682 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:19:31,686 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:19:31,687 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:19:31" (1/1) ... [2023-12-03 01:19:31,687 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6783f310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:31, skipping insertion in model container [2023-12-03 01:19:31,688 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:19:31" (1/1) ... [2023-12-03 01:19:31,710 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:19:31,857 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_e605c827-44aa-4f10-9b03-e86dc1ca1f48/sv-benchmarks/c/float-newlib/double_req_bl_1230.c[1667,1680] [2023-12-03 01:19:31,861 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:19:31,870 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:19:31,892 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_e605c827-44aa-4f10-9b03-e86dc1ca1f48/sv-benchmarks/c/float-newlib/double_req_bl_1230.c[1667,1680] [2023-12-03 01:19:31,893 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:19:31,909 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:19:31,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:31 WrapperNode [2023-12-03 01:19:31,910 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:19:31,911 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:19:31,911 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:19:31,911 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:19:31,917 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:31" (1/1) ... [2023-12-03 01:19:31,923 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:31" (1/1) ... [2023-12-03 01:19:31,940 INFO L138 Inliner]: procedures = 18, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2023-12-03 01:19:31,940 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:19:31,941 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:19:31,941 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:19:31,941 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:19:31,950 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:31" (1/1) ... [2023-12-03 01:19:31,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:31" (1/1) ... [2023-12-03 01:19:31,953 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:31" (1/1) ... [2023-12-03 01:19:31,953 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:31" (1/1) ... [2023-12-03 01:19:31,960 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:31" (1/1) ... [2023-12-03 01:19:31,962 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:31" (1/1) ... [2023-12-03 01:19:31,964 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:31" (1/1) ... [2023-12-03 01:19:31,965 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:31" (1/1) ... [2023-12-03 01:19:31,967 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:19:31,968 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:19:31,968 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:19:31,968 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:19:31,969 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:31" (1/1) ... [2023-12-03 01:19:31,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:19:31,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:19:31,998 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:19:32,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:19:32,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:19:32,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:19:32,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:19:32,032 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2023-12-03 01:19:32,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2023-12-03 01:19:32,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-03 01:19:32,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:19:32,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:19:32,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 01:19:32,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:19:32,105 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:19:32,107 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:19:32,265 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:19:32,354 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:19:32,354 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 01:19:32,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:19:32 BoogieIcfgContainer [2023-12-03 01:19:32,356 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:19:32,357 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:19:32,357 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:19:32,364 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:19:32,365 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:19:32" (1/1) ... [2023-12-03 01:19:32,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:19:32,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:19:32,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-12-03 01:19:32,421 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-12-03 01:19:32,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 01:19:32,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:19:32,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:19:32,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:32,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:19:32,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:19:32,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2023-12-03 01:19:32,604 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2023-12-03 01:19:32,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 01:19:32,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:19:32,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:19:32,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:19:32,656 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:19:32,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:19:32,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:19:32,752 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:19:32,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:19:32,783 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-03 01:19:32,806 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret6 could not be translated [2023-12-03 01:19:32,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:19:32 ImpRootNode [2023-12-03 01:19:32,811 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:19:32,812 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:19:32,812 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:19:32,812 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:19:32,813 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:19:32" (3/4) ... [2023-12-03 01:19:32,815 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 01:19:32,816 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:19:32,817 INFO L158 Benchmark]: Toolchain (without parser) took 1136.06ms. Allocated memory is still 182.5MB. Free memory was 139.4MB in the beginning and 83.1MB in the end (delta: 56.3MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2023-12-03 01:19:32,817 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 123.7MB. Free memory is still 69.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:19:32,818 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.91ms. Allocated memory is still 182.5MB. Free memory was 139.4MB in the beginning and 128.0MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 01:19:32,819 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.98ms. Allocated memory is still 182.5MB. Free memory was 128.0MB in the beginning and 126.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:19:32,819 INFO L158 Benchmark]: Boogie Preprocessor took 25.85ms. Allocated memory is still 182.5MB. Free memory was 126.7MB in the beginning and 125.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:19:32,820 INFO L158 Benchmark]: RCFGBuilder took 388.05ms. Allocated memory is still 182.5MB. Free memory was 125.1MB in the beginning and 106.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 01:19:32,820 INFO L158 Benchmark]: CodeCheck took 454.86ms. Allocated memory is still 182.5MB. Free memory was 106.2MB in the beginning and 83.1MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-03 01:19:32,821 INFO L158 Benchmark]: Witness Printer took 4.00ms. Allocated memory is still 182.5MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:19:32,824 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: 0.4s, 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, 0.0s 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)=2] [L20] __uint32_t msw, lsw; VAL [\old(x)=2, x=2] [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)=2, lsw=9726, msw=4294967295, x=2] [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)=2, \old(y)=3, x=2, y=3] [L47] COND TRUE __fpclassify_double(x) == 0 [L48] return y; VAL [\old(x)=2, \old(y)=3, \result=3, x=2, y=3] [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=3, x=2, y=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 123.7MB. Free memory is still 69.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 227.91ms. Allocated memory is still 182.5MB. Free memory was 139.4MB in the beginning and 128.0MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.98ms. Allocated memory is still 182.5MB. Free memory was 128.0MB in the beginning and 126.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.85ms. Allocated memory is still 182.5MB. Free memory was 126.7MB in the beginning and 125.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 388.05ms. Allocated memory is still 182.5MB. Free memory was 125.1MB in the beginning and 106.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 454.86ms. Allocated memory is still 182.5MB. Free memory was 106.2MB in the beginning and 83.1MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 4.00ms. Allocated memory is still 182.5MB. Free memory is still 83.1MB. 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 [2023-12-03 01:19:32,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9/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_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9/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_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9 --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 0.2.4-dev-0e0057c [2023-12-03 01:19:34,765 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:19:34,843 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 01:19:34,873 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:19:34,874 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:19:34,874 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:19:34,875 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:19:34,875 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:19:34,876 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:19:34,876 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:19:34,877 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:19:34,877 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:19:34,877 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:19:34,878 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:19:34,879 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:19:34,879 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:19:34,880 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:19:34,880 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:19:34,881 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:19:34,881 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:19:34,882 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:19:34,882 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:19:34,883 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:19:34,883 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:19:34,884 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:19:34,884 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:19:34,884 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:19:34,885 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:19:34,885 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:19:34,885 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:19:34,886 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:19:34,886 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:19:34,886 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:19:34,887 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:19:34,887 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:19:34,887 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:19:34,887 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:19:34,888 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_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a8b477e0de82621230934ea5797a52ab61045346694bc3bac8acbd53f389ba3 [2023-12-03 01:19:35,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:19:35,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:19:35,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:19:35,197 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:19:35,198 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:19:35,199 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/double_req_bl_1230.c [2023-12-03 01:19:37,985 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:19:38,174 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:19:38,174 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e605c827-44aa-4f10-9b03-e86dc1ca1f48/sv-benchmarks/c/float-newlib/double_req_bl_1230.c [2023-12-03 01:19:38,181 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9/data/9dfa478fc/ee5d41c9b8ff472fabc32ebf96924e7f/FLAGcb9a6d061 [2023-12-03 01:19:38,193 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9/data/9dfa478fc/ee5d41c9b8ff472fabc32ebf96924e7f [2023-12-03 01:19:38,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:19:38,197 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:19:38,199 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:19:38,199 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:19:38,203 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:19:38,203 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:19:38" (1/1) ... [2023-12-03 01:19:38,204 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f3ed547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:38, skipping insertion in model container [2023-12-03 01:19:38,205 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:19:38" (1/1) ... [2023-12-03 01:19:38,223 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:19:38,366 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_e605c827-44aa-4f10-9b03-e86dc1ca1f48/sv-benchmarks/c/float-newlib/double_req_bl_1230.c[1667,1680] [2023-12-03 01:19:38,370 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:19:38,382 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:19:38,403 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_e605c827-44aa-4f10-9b03-e86dc1ca1f48/sv-benchmarks/c/float-newlib/double_req_bl_1230.c[1667,1680] [2023-12-03 01:19:38,403 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:19:38,419 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:19:38,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:38 WrapperNode [2023-12-03 01:19:38,420 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:19:38,421 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:19:38,421 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:19:38,421 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:19:38,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:38" (1/1) ... [2023-12-03 01:19:38,436 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:38" (1/1) ... [2023-12-03 01:19:38,454 INFO L138 Inliner]: procedures = 21, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2023-12-03 01:19:38,454 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:19:38,455 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:19:38,455 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:19:38,455 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:19:38,462 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:38" (1/1) ... [2023-12-03 01:19:38,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:38" (1/1) ... [2023-12-03 01:19:38,466 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:38" (1/1) ... [2023-12-03 01:19:38,467 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:38" (1/1) ... [2023-12-03 01:19:38,477 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:38" (1/1) ... [2023-12-03 01:19:38,481 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:38" (1/1) ... [2023-12-03 01:19:38,483 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:38" (1/1) ... [2023-12-03 01:19:38,485 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:38" (1/1) ... [2023-12-03 01:19:38,488 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:19:38,489 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:19:38,490 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:19:38,490 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:19:38,491 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:38" (1/1) ... [2023-12-03 01:19:38,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:19:38,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:19:38,516 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:19:38,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:19:38,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:19:38,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-12-03 01:19:38,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:19:38,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:19:38,569 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2023-12-03 01:19:38,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2023-12-03 01:19:38,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 01:19:38,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:19:38,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:19:38,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:19:38,642 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:19:38,644 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:19:38,807 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:19:38,887 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:19:38,888 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 01:19:38,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:19:38 BoogieIcfgContainer [2023-12-03 01:19:38,890 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:19:38,891 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:19:38,891 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:19:38,899 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:19:38,899 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:19:38" (1/1) ... [2023-12-03 01:19:38,906 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:19:38,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:19:38,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2023-12-03 01:19:38,951 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2023-12-03 01:19:38,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 01:19:38,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:19:38,955 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:19:38,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:19:38,957 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:19:38,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:19:39,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:39,151 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:19:39,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:39,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:19:39,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:19:39,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:19:39,204 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:19:39,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 01:19:39,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:19:39,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2023-12-03 01:19:39,276 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2023-12-03 01:19:39,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 01:19:39,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:19:39,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:19:39,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:19:39,278 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:19:39,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 01:19:39,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:39,530 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:19:39,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:39,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 01:19:39,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:19:39,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:19:39,731 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:19:39,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 01:19:40,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:19:40,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 20 transitions. [2023-12-03 01:19:40,592 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2023-12-03 01:19:40,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 01:19:40,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:19:40,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:19:40,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:19:40,594 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:19:40,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 01:19:40,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:40,933 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:19:40,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:40,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 01:19:40,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:19:41,227 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 01:19:41,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 01:19:43,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 01:19:43,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:19:43,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 14 states and 15 transitions. [2023-12-03 01:19:43,692 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 01:19:43,692 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 01:19:43,692 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2023-12-03 01:19:43,700 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 01:19:43,736 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 01:19:43,738 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 01:19:43,738 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 01:19:43,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:19:43 ImpRootNode [2023-12-03 01:19:43,739 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:19:43,740 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:19:43,740 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:19:43,740 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:19:43,741 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:19:38" (3/4) ... [2023-12-03 01:19:43,743 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 01:19:43,746 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __fpclassify_double [2023-12-03 01:19:43,750 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-12-03 01:19:43,751 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-12-03 01:19:43,751 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 01:19:43,751 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 01:19:43,859 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 01:19:43,860 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 01:19:43,860 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:19:43,861 INFO L158 Benchmark]: Toolchain (without parser) took 5663.40ms. Allocated memory is still 98.6MB. Free memory was 74.9MB in the beginning and 75.1MB in the end (delta: -274.1kB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2023-12-03 01:19:43,861 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 67.1MB. Free memory was 43.4MB in the beginning and 43.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:19:43,862 INFO L158 Benchmark]: CACSL2BoogieTranslator took 221.19ms. Allocated memory is still 98.6MB. Free memory was 74.9MB in the beginning and 62.9MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 01:19:43,862 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.93ms. Allocated memory is still 98.6MB. Free memory was 62.9MB in the beginning and 61.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:19:43,863 INFO L158 Benchmark]: Boogie Preprocessor took 33.47ms. Allocated memory is still 98.6MB. Free memory was 61.5MB in the beginning and 59.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:19:43,863 INFO L158 Benchmark]: RCFGBuilder took 400.64ms. Allocated memory is still 98.6MB. Free memory was 59.8MB in the beginning and 41.0MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 01:19:43,864 INFO L158 Benchmark]: CodeCheck took 4848.54ms. Allocated memory is still 98.6MB. Free memory was 41.0MB in the beginning and 36.7MB in the end (delta: 4.2MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2023-12-03 01:19:43,864 INFO L158 Benchmark]: Witness Printer took 120.15ms. Allocated memory is still 98.6MB. Free memory was 36.7MB in the beginning and 75.1MB in the end (delta: -38.4MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2023-12-03 01:19:43,867 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: 4.8s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 97 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 59 SdHoareTripleChecker+Invalid, 3.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 56 IncrementalHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 56 mSDtfsCounter, 56 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 272 GetRequests, 259 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 36 ConstructedInterpolants, 8 QuantifiedInterpolants, 118 SizeOfPredicates, 19 NumberOfNonLiveVariables, 164 ConjunctsInSsa, 24 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: 1 - 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 0.21ms. Allocated memory is still 67.1MB. Free memory was 43.4MB in the beginning and 43.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 221.19ms. Allocated memory is still 98.6MB. Free memory was 74.9MB in the beginning and 62.9MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.93ms. Allocated memory is still 98.6MB. Free memory was 62.9MB in the beginning and 61.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.47ms. Allocated memory is still 98.6MB. Free memory was 61.5MB in the beginning and 59.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 400.64ms. Allocated memory is still 98.6MB. Free memory was 59.8MB in the beginning and 41.0MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 4848.54ms. Allocated memory is still 98.6MB. Free memory was 41.0MB in the beginning and 36.7MB in the end (delta: 4.2MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * Witness Printer took 120.15ms. Allocated memory is still 98.6MB. Free memory was 36.7MB in the beginning and 75.1MB in the end (delta: -38.4MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 01:19:43,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e605c827-44aa-4f10-9b03-e86dc1ca1f48/bin/ukojak-verify-Qdu7aM0XO9/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 Writing output log to file Ultimate.log Result: TRUE