./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1250.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b2cf69-1c1d-4fe0-9e87-95931bddc543/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b2cf69-1c1d-4fe0-9e87-95931bddc543/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_84b2cf69-1c1d-4fe0-9e87-95931bddc543/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b2cf69-1c1d-4fe0-9e87-95931bddc543/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1250.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b2cf69-1c1d-4fe0-9e87-95931bddc543/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_84b2cf69-1c1d-4fe0-9e87-95931bddc543/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 358b07b46b4639b5c555cb2780810d0868bad1e2d0b3519866cd72c195065fc2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:29:16,273 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:29:16,340 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b2cf69-1c1d-4fe0-9e87-95931bddc543/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 03:29:16,344 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:29:16,345 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:29:16,366 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:29:16,367 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:29:16,368 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:29:16,369 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:29:16,369 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:29:16,370 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:29:16,370 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:29:16,371 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:29:16,371 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:29:16,371 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:29:16,372 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:29:16,372 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:29:16,373 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:29:16,373 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:29:16,374 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:29:16,374 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:29:16,375 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:29:16,376 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:29:16,376 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:29:16,377 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:29:16,377 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:29:16,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:29:16,378 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:29:16,378 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:29:16,379 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:29:16,379 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:29:16,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:29:16,380 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:29:16,380 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_84b2cf69-1c1d-4fe0-9e87-95931bddc543/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b2cf69-1c1d-4fe0-9e87-95931bddc543/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 358b07b46b4639b5c555cb2780810d0868bad1e2d0b3519866cd72c195065fc2 [2023-12-03 03:29:16,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:29:16,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:29:16,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:29:16,619 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:29:16,620 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:29:16,621 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b2cf69-1c1d-4fe0-9e87-95931bddc543/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/double_req_bl_1250.c [2023-12-03 03:29:19,348 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:29:19,497 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:29:19,498 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b2cf69-1c1d-4fe0-9e87-95931bddc543/sv-benchmarks/c/float-newlib/double_req_bl_1250.c [2023-12-03 03:29:19,503 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b2cf69-1c1d-4fe0-9e87-95931bddc543/bin/ukojak-verify-Qdu7aM0XO9/data/bee5e3c67/c133bb89dbbe4d988fe6d57d7733e32b/FLAG9f826a5f4 [2023-12-03 03:29:19,516 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b2cf69-1c1d-4fe0-9e87-95931bddc543/bin/ukojak-verify-Qdu7aM0XO9/data/bee5e3c67/c133bb89dbbe4d988fe6d57d7733e32b [2023-12-03 03:29:19,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:29:19,519 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:29:19,520 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:29:19,521 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:29:19,524 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:29:19,525 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:29:19" (1/1) ... [2023-12-03 03:29:19,526 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26766e36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:29:19, skipping insertion in model container [2023-12-03 03:29:19,526 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:29:19" (1/1) ... [2023-12-03 03:29:19,544 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:29:19,688 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_84b2cf69-1c1d-4fe0-9e87-95931bddc543/sv-benchmarks/c/float-newlib/double_req_bl_1250.c[1965,1978] [2023-12-03 03:29:19,692 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:29:19,702 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:29:19,724 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_84b2cf69-1c1d-4fe0-9e87-95931bddc543/sv-benchmarks/c/float-newlib/double_req_bl_1250.c[1965,1978] [2023-12-03 03:29:19,725 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:29:19,741 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:29:19,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:29:19 WrapperNode [2023-12-03 03:29:19,742 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:29:19,743 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:29:19,743 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:29:19,743 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:29:19,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:29:19" (1/1) ... [2023-12-03 03:29:19,759 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:29:19" (1/1) ... [2023-12-03 03:29:19,778 INFO L138 Inliner]: procedures = 18, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2023-12-03 03:29:19,778 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:29:19,779 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:29:19,779 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:29:19,779 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:29:19,789 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:29:19" (1/1) ... [2023-12-03 03:29:19,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:29:19" (1/1) ... [2023-12-03 03:29:19,791 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:29:19" (1/1) ... [2023-12-03 03:29:19,792 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:29:19" (1/1) ... [2023-12-03 03:29:19,798 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:29:19" (1/1) ... [2023-12-03 03:29:19,817 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:29:19" (1/1) ... [2023-12-03 03:29:19,819 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:29:19" (1/1) ... [2023-12-03 03:29:19,820 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:29:19" (1/1) ... [2023-12-03 03:29:19,822 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:29:19,823 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:29:19,823 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:29:19,823 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:29:19,824 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:29:19" (1/1) ... [2023-12-03 03:29:19,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:29:19,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b2cf69-1c1d-4fe0-9e87-95931bddc543/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:29:19,853 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b2cf69-1c1d-4fe0-9e87-95931bddc543/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:29:19,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b2cf69-1c1d-4fe0-9e87-95931bddc543/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:29:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:29:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:29:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:29:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2023-12-03 03:29:19,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2023-12-03 03:29:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-03 03:29:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:29:19,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:29:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 03:29:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:29:19,970 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:29:19,972 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:29:20,131 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:29:20,213 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:29:20,213 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 03:29:20,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:29:20 BoogieIcfgContainer [2023-12-03 03:29:20,215 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:29:20,216 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:29:20,216 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:29:20,224 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:29:20,224 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:29:20" (1/1) ... [2023-12-03 03:29:20,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:29:20,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:20,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-12-03 03:29:20,276 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-12-03 03:29:20,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 03:29:20,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:20,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:29:20,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:20,421 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 03:29:20,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:20,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2023-12-03 03:29:20,450 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2023-12-03 03:29:20,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 03:29:20,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:20,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:29:20,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:29:20,501 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:29:20,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:29:20,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:29:20,596 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:29:20,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:29:20,627 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-03 03:29:20,649 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret6 could not be translated [2023-12-03 03:29:20,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:29:20 ImpRootNode [2023-12-03 03:29:20,654 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:29:20,655 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:29:20,655 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:29:20,655 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:29:20,656 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:29:20" (3/4) ... [2023-12-03 03:29:20,658 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:29:20,659 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:29:20,659 INFO L158 Benchmark]: Toolchain (without parser) took 1139.78ms. Allocated memory is still 127.9MB. Free memory was 73.6MB in the beginning and 59.5MB in the end (delta: 14.1MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2023-12-03 03:29:20,660 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 94.4MB. Free memory is still 49.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:29:20,661 INFO L158 Benchmark]: CACSL2BoogieTranslator took 221.67ms. Allocated memory is still 127.9MB. Free memory was 73.6MB in the beginning and 62.4MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 03:29:20,661 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.64ms. Allocated memory is still 127.9MB. Free memory was 62.4MB in the beginning and 60.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:29:20,662 INFO L158 Benchmark]: Boogie Preprocessor took 42.93ms. Allocated memory is still 127.9MB. Free memory was 60.9MB in the beginning and 101.7MB in the end (delta: -40.8MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2023-12-03 03:29:20,662 INFO L158 Benchmark]: RCFGBuilder took 392.52ms. Allocated memory is still 127.9MB. Free memory was 101.7MB in the beginning and 83.4MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 03:29:20,663 INFO L158 Benchmark]: CodeCheck took 438.16ms. Allocated memory is still 127.9MB. Free memory was 83.4MB in the beginning and 59.9MB in the end (delta: 23.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-12-03 03:29:20,664 INFO L158 Benchmark]: Witness Printer took 3.87ms. Allocated memory is still 127.9MB. Free memory was 59.9MB in the beginning and 59.5MB in the end (delta: 388.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:29:20,667 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: 74]: 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 69. Possible FailurePath: [L69] double x = 0.0 / 0.0; [L70] double y = 0.0 / 0.0; [L71] CALL, EXPR fmax_double(x, y) [L57] CALL, EXPR __fpclassify_double(x) VAL [\old(x)=3] [L29] __uint32_t msw, lsw; VAL [\old(x)=3, x=3] [L32] ieee_double_shape_type ew_u; [L33] EXPR ew_u.value = (x) [L34] EXPR ew_u.parts.msw [L34] EXPR (msw) = ew_u.parts.msw [L35] EXPR ew_u.parts.lsw [L35] EXPR (lsw) = ew_u.parts.lsw [L31-L36] { 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=9, msw=2146435073, x=3] [L38-L39] COND FALSE !((msw == 0x00000000 && lsw == 0x00000000) || (msw == 0x80000000 && lsw == 0x00000000)) [L41-L42] COND FALSE !((msw >= 0x00100000 && msw <= 0x7fefffff) || (msw >= 0x80100000 && msw <= 0xffefffff)) [L44-L45] COND FALSE !(( msw <= 0x000fffff) || (msw >= 0x80000000 && msw <= 0x800fffff)) [L48-L49] COND FALSE !((msw == 0x7ff00000 && lsw == 0x00000000) || (msw == 0xfff00000 && lsw == 0x00000000)) [L52] return 0; [L57] RET, EXPR __fpclassify_double(x) VAL [\old(x)=3, \old(y)=2, x=3, y=2] [L57] COND TRUE __fpclassify_double(x) == 0 [L58] return y; VAL [\old(x)=3, \old(y)=2, \result=2, x=3, y=2] [L71] RET, EXPR fmax_double(x, y) [L71] double res = fmax_double(x, y); [L73] CALL, EXPR isnan_double(res) [L18] return x != x; [L73] RET, EXPR isnan_double(res) [L73] COND TRUE !isnan_double(res) [L74] 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 0.26ms. Allocated memory is still 94.4MB. Free memory is still 49.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 221.67ms. Allocated memory is still 127.9MB. Free memory was 73.6MB in the beginning and 62.4MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.64ms. Allocated memory is still 127.9MB. Free memory was 62.4MB in the beginning and 60.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.93ms. Allocated memory is still 127.9MB. Free memory was 60.9MB in the beginning and 101.7MB in the end (delta: -40.8MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * RCFGBuilder took 392.52ms. Allocated memory is still 127.9MB. Free memory was 101.7MB in the beginning and 83.4MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 438.16ms. Allocated memory is still 127.9MB. Free memory was 83.4MB in the beginning and 59.9MB in the end (delta: 23.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 3.87ms. Allocated memory is still 127.9MB. Free memory was 59.9MB in the beginning and 59.5MB in the end (delta: 388.6kB). 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 03:29:20,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b2cf69-1c1d-4fe0-9e87-95931bddc543/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b2cf69-1c1d-4fe0-9e87-95931bddc543/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b2cf69-1c1d-4fe0-9e87-95931bddc543/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_84b2cf69-1c1d-4fe0-9e87-95931bddc543/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b2cf69-1c1d-4fe0-9e87-95931bddc543/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1250.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b2cf69-1c1d-4fe0-9e87-95931bddc543/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_84b2cf69-1c1d-4fe0-9e87-95931bddc543/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 358b07b46b4639b5c555cb2780810d0868bad1e2d0b3519866cd72c195065fc2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:29:22,548 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:29:22,622 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b2cf69-1c1d-4fe0-9e87-95931bddc543/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 03:29:22,650 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:29:22,651 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:29:22,652 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:29:22,653 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:29:22,653 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:29:22,654 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:29:22,654 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:29:22,655 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:29:22,655 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:29:22,656 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:29:22,656 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:29:22,657 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:29:22,657 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:29:22,658 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:29:22,658 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:29:22,658 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:29:22,659 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:29:22,659 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:29:22,660 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:29:22,660 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:29:22,661 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:29:22,661 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:29:22,661 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:29:22,662 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:29:22,662 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:29:22,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:29:22,663 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:29:22,663 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:29:22,664 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:29:22,664 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:29:22,664 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:29:22,664 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:29:22,665 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:29:22,665 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:29:22,665 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_84b2cf69-1c1d-4fe0-9e87-95931bddc543/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b2cf69-1c1d-4fe0-9e87-95931bddc543/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 358b07b46b4639b5c555cb2780810d0868bad1e2d0b3519866cd72c195065fc2 [2023-12-03 03:29:22,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:29:22,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:29:22,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:29:22,965 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:29:22,965 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:29:22,967 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b2cf69-1c1d-4fe0-9e87-95931bddc543/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/double_req_bl_1250.c [2023-12-03 03:29:25,762 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:29:25,955 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:29:25,955 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b2cf69-1c1d-4fe0-9e87-95931bddc543/sv-benchmarks/c/float-newlib/double_req_bl_1250.c [2023-12-03 03:29:25,963 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b2cf69-1c1d-4fe0-9e87-95931bddc543/bin/ukojak-verify-Qdu7aM0XO9/data/858212d90/9b146c24c3c7485e9c87807b236b090b/FLAG6e4d8f2f1 [2023-12-03 03:29:25,979 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b2cf69-1c1d-4fe0-9e87-95931bddc543/bin/ukojak-verify-Qdu7aM0XO9/data/858212d90/9b146c24c3c7485e9c87807b236b090b [2023-12-03 03:29:25,982 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:29:25,983 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:29:25,985 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:29:25,985 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:29:25,989 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:29:25,990 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:29:25" (1/1) ... [2023-12-03 03:29:25,991 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16576c20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:29:25, skipping insertion in model container [2023-12-03 03:29:25,991 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:29:25" (1/1) ... [2023-12-03 03:29:26,013 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:29:26,178 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_84b2cf69-1c1d-4fe0-9e87-95931bddc543/sv-benchmarks/c/float-newlib/double_req_bl_1250.c[1965,1978] [2023-12-03 03:29:26,182 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:29:26,196 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:29:26,218 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_84b2cf69-1c1d-4fe0-9e87-95931bddc543/sv-benchmarks/c/float-newlib/double_req_bl_1250.c[1965,1978] [2023-12-03 03:29:26,219 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:29:26,238 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:29:26,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:29:26 WrapperNode [2023-12-03 03:29:26,239 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:29:26,240 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:29:26,240 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:29:26,240 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:29:26,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:29:26" (1/1) ... [2023-12-03 03:29:26,257 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:29:26" (1/1) ... [2023-12-03 03:29:26,275 INFO L138 Inliner]: procedures = 21, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2023-12-03 03:29:26,276 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:29:26,277 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:29:26,277 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:29:26,277 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:29:26,286 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:29:26" (1/1) ... [2023-12-03 03:29:26,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:29:26" (1/1) ... [2023-12-03 03:29:26,290 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:29:26" (1/1) ... [2023-12-03 03:29:26,291 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:29:26" (1/1) ... [2023-12-03 03:29:26,300 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:29:26" (1/1) ... [2023-12-03 03:29:26,303 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:29:26" (1/1) ... [2023-12-03 03:29:26,306 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:29:26" (1/1) ... [2023-12-03 03:29:26,307 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:29:26" (1/1) ... [2023-12-03 03:29:26,311 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:29:26,312 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:29:26,312 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:29:26,312 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:29:26,313 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:29:26" (1/1) ... [2023-12-03 03:29:26,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:29:26,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b2cf69-1c1d-4fe0-9e87-95931bddc543/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:29:26,357 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b2cf69-1c1d-4fe0-9e87-95931bddc543/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:29:26,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b2cf69-1c1d-4fe0-9e87-95931bddc543/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:29:26,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:29:26,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-12-03 03:29:26,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:29:26,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:29:26,393 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2023-12-03 03:29:26,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2023-12-03 03:29:26,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 03:29:26,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:29:26,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:29:26,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:29:26,476 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:29:26,479 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:29:26,650 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:29:26,727 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:29:26,727 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 03:29:26,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:29:26 BoogieIcfgContainer [2023-12-03 03:29:26,729 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:29:26,730 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:29:26,730 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:29:26,740 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:29:26,741 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:29:26" (1/1) ... [2023-12-03 03:29:26,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:29:26,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:26,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2023-12-03 03:29:26,807 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2023-12-03 03:29:26,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:29:26,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:26,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:29:26,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b2cf69-1c1d-4fe0-9e87-95931bddc543/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:29:26,813 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b2cf69-1c1d-4fe0-9e87-95931bddc543/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:29:26,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b2cf69-1c1d-4fe0-9e87-95931bddc543/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:29:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:27,027 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:29:27,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:27,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:29:27,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:29:27,078 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 03:29:27,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b2cf69-1c1d-4fe0-9e87-95931bddc543/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:29:27,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:27,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2023-12-03 03:29:27,178 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2023-12-03 03:29:27,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 03:29:27,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:27,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:29:27,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b2cf69-1c1d-4fe0-9e87-95931bddc543/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:29:27,180 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b2cf69-1c1d-4fe0-9e87-95931bddc543/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:29:27,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b2cf69-1c1d-4fe0-9e87-95931bddc543/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 03:29:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:27,424 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:29:27,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:27,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:29:27,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:29:27,613 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 03:29:27,616 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b2cf69-1c1d-4fe0-9e87-95931bddc543/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:29:27,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b2cf69-1c1d-4fe0-9e87-95931bddc543/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 03:29:28,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:28,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 20 transitions. [2023-12-03 03:29:28,150 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2023-12-03 03:29:28,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:29:28,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:28,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:29:28,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b2cf69-1c1d-4fe0-9e87-95931bddc543/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:29:28,152 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b2cf69-1c1d-4fe0-9e87-95931bddc543/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:29:28,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b2cf69-1c1d-4fe0-9e87-95931bddc543/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 03:29:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:28,466 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:29:28,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:28,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 03:29:28,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:29:28,693 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 03:29:28,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b2cf69-1c1d-4fe0-9e87-95931bddc543/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 03:29:30,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 03:29:30,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:30,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 14 states and 15 transitions. [2023-12-03 03:29:30,647 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 03:29:30,647 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 03:29:30,648 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2023-12-03 03:29:30,655 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 03:29:30,688 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 03:29:30,690 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 03:29:30,690 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 03:29:30,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:29:30 ImpRootNode [2023-12-03 03:29:30,691 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:29:30,692 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:29:30,692 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:29:30,692 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:29:30,692 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:29:26" (3/4) ... [2023-12-03 03:29:30,694 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 03:29:30,697 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __fpclassify_double [2023-12-03 03:29:30,702 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-12-03 03:29:30,702 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-12-03 03:29:30,702 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 03:29:30,703 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 03:29:30,793 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b2cf69-1c1d-4fe0-9e87-95931bddc543/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 03:29:30,793 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b2cf69-1c1d-4fe0-9e87-95931bddc543/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 03:29:30,793 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:29:30,794 INFO L158 Benchmark]: Toolchain (without parser) took 4810.86ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 48.2MB in the beginning and 39.0MB in the end (delta: 9.1MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2023-12-03 03:29:30,795 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 71.3MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:29:30,795 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.64ms. Allocated memory is still 71.3MB. Free memory was 48.0MB in the beginning and 36.1MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 03:29:30,796 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.06ms. Allocated memory is still 71.3MB. Free memory was 36.1MB in the beginning and 34.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:29:30,796 INFO L158 Benchmark]: Boogie Preprocessor took 34.43ms. Allocated memory is still 71.3MB. Free memory was 34.5MB in the beginning and 32.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:29:30,797 INFO L158 Benchmark]: RCFGBuilder took 417.44ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 32.9MB in the beginning and 52.4MB in the end (delta: -19.5MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2023-12-03 03:29:30,797 INFO L158 Benchmark]: CodeCheck took 3961.10ms. Allocated memory is still 90.2MB. Free memory was 52.4MB in the beginning and 44.1MB in the end (delta: 8.3MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2023-12-03 03:29:30,798 INFO L158 Benchmark]: Witness Printer took 101.92ms. Allocated memory is still 90.2MB. Free memory was 44.1MB in the beginning and 39.0MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 03:29:30,800 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: 3.9s, 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, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 59 SdHoareTripleChecker+Invalid, 2.6s 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, 262 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s 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, 116 SizeOfPredicates, 18 NumberOfNonLiveVariables, 164 ConjunctsInSsa, 21 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: 74]: 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: 55]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 71.3MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.64ms. Allocated memory is still 71.3MB. Free memory was 48.0MB in the beginning and 36.1MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.06ms. Allocated memory is still 71.3MB. Free memory was 36.1MB in the beginning and 34.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.43ms. Allocated memory is still 71.3MB. Free memory was 34.5MB in the beginning and 32.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 417.44ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 32.9MB in the beginning and 52.4MB in the end (delta: -19.5MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * CodeCheck took 3961.10ms. Allocated memory is still 90.2MB. Free memory was 52.4MB in the beginning and 44.1MB in the end (delta: 8.3MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. * Witness Printer took 101.92ms. Allocated memory is still 90.2MB. Free memory was 44.1MB in the beginning and 39.0MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 03:29:30,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b2cf69-1c1d-4fe0-9e87-95931bddc543/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