./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1230.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1230.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 95e4857f2e80c4b2a09349ad506a32e395132bf666c8dc52d9ee1d4dade10d91 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:37:48,841 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:37:48,937 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:37:48,943 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:37:48,944 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:37:48,974 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:37:48,976 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:37:48,976 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:37:48,977 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:37:48,978 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:37:48,979 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:37:48,980 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:37:48,980 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:37:48,981 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:37:48,982 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:37:48,983 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:37:48,983 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:37:48,984 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:37:48,985 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:37:48,986 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:37:48,986 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:37:48,987 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:37:48,988 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:37:48,989 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:37:48,989 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:37:48,990 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:37:48,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:37:48,991 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:37:48,992 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:37:48,993 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:37:48,993 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:37:48,994 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:37:48,994 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:37:48,995 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_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95e4857f2e80c4b2a09349ad506a32e395132bf666c8dc52d9ee1d4dade10d91 [2023-11-19 03:37:49,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:37:49,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:37:49,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:37:49,358 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:37:49,359 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:37:49,360 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/float_req_bl_1230.c [2023-11-19 03:37:53,082 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:37:53,365 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:37:53,366 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/sv-benchmarks/c/float-newlib/float_req_bl_1230.c [2023-11-19 03:37:53,377 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL/data/2cd811dcd/ba669b0f3b69432e8bce349bbff8196f/FLAGfca102003 [2023-11-19 03:37:53,400 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL/data/2cd811dcd/ba669b0f3b69432e8bce349bbff8196f [2023-11-19 03:37:53,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:37:53,412 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:37:53,414 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:37:53,415 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:37:53,421 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:37:53,422 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:37:53" (1/1) ... [2023-11-19 03:37:53,423 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ec5c484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:53, skipping insertion in model container [2023-11-19 03:37:53,424 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:37:53" (1/1) ... [2023-11-19 03:37:53,452 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:37:53,748 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_1b89f8d7-b0ab-476b-9305-df360907f49b/sv-benchmarks/c/float-newlib/float_req_bl_1230.c[1411,1424] [2023-11-19 03:37:53,755 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:37:53,769 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:37:53,814 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_1b89f8d7-b0ab-476b-9305-df360907f49b/sv-benchmarks/c/float-newlib/float_req_bl_1230.c[1411,1424] [2023-11-19 03:37:53,819 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:37:53,842 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:37:53,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:53 WrapperNode [2023-11-19 03:37:53,843 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:37:53,845 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:37:53,845 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:37:53,846 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:37:53,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:53" (1/1) ... [2023-11-19 03:37:53,876 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:53" (1/1) ... [2023-11-19 03:37:53,904 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2023-11-19 03:37:53,905 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:37:53,906 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:37:53,906 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:37:53,906 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:37:53,918 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:53" (1/1) ... [2023-11-19 03:37:53,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:53" (1/1) ... [2023-11-19 03:37:53,924 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:53" (1/1) ... [2023-11-19 03:37:53,924 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:53" (1/1) ... [2023-11-19 03:37:53,946 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:53" (1/1) ... [2023-11-19 03:37:53,954 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:53" (1/1) ... [2023-11-19 03:37:53,961 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:53" (1/1) ... [2023-11-19 03:37:53,969 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:53" (1/1) ... [2023-11-19 03:37:53,972 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:37:53,973 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:37:53,973 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:37:53,974 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:37:53,975 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:53" (1/1) ... [2023-11-19 03:37:53,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:37:54,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:37:54,023 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:37:54,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:37:54,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:37:54,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:37:54,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:37:54,077 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2023-11-19 03:37:54,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2023-11-19 03:37:54,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 03:37:54,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:37:54,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:37:54,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:37:54,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:37:54,193 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:37:54,196 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:37:54,434 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:37:54,584 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:37:54,585 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:37:54,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:37:54 BoogieIcfgContainer [2023-11-19 03:37:54,591 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:37:54,592 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:37:54,592 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:37:54,605 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:37:54,606 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:37:54" (1/1) ... [2023-11-19 03:37:54,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:37:54,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:54,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-19 03:37:54,689 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-19 03:37:54,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:37:54,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:54,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:54,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:37:54,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:37:54,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:55,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2023-11-19 03:37:55,000 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2023-11-19 03:37:55,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:37:55,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:55,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:55,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:37:55,099 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:37:55,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:37:55,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:37:55,260 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:37:55,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:37:55,307 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 03:37:55,346 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret5 could not be translated [2023-11-19 03:37:55,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:37:55 ImpRootNode [2023-11-19 03:37:55,358 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:37:55,359 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:37:55,359 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:37:55,360 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:37:55,361 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:37:54" (3/4) ... [2023-11-19 03:37:55,369 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:37:55,371 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:37:55,373 INFO L158 Benchmark]: Toolchain (without parser) took 1959.70ms. Allocated memory is still 167.8MB. Free memory was 121.3MB in the beginning and 66.0MB in the end (delta: 55.3MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2023-11-19 03:37:55,374 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 125.8MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:37:55,375 INFO L158 Benchmark]: CACSL2BoogieTranslator took 429.38ms. Allocated memory is still 167.8MB. Free memory was 121.3MB in the beginning and 110.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:37:55,376 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.20ms. Allocated memory is still 167.8MB. Free memory was 110.8MB in the beginning and 108.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:37:55,377 INFO L158 Benchmark]: Boogie Preprocessor took 66.71ms. Allocated memory is still 167.8MB. Free memory was 108.7MB in the beginning and 107.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:37:55,379 INFO L158 Benchmark]: RCFGBuilder took 617.85ms. Allocated memory is still 167.8MB. Free memory was 107.4MB in the beginning and 89.2MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 03:37:55,380 INFO L158 Benchmark]: CodeCheck took 766.51ms. Allocated memory is still 167.8MB. Free memory was 89.2MB in the beginning and 66.1MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 03:37:55,388 INFO L158 Benchmark]: Witness Printer took 11.82ms. Allocated memory is still 167.8MB. Free memory was 66.1MB in the beginning and 66.0MB in the end (delta: 186.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:37:55,398 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 13 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 61]: 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 someBinaryFLOATComparisonOperation at line 46, overapproximation of someBinaryArithmeticFLOAToperation at line 56. Possible FailurePath: [L56] float x = 0.0f / 0.0f; [L57] float y = 0.0f / 0.0f; [L58] CALL, EXPR fmin_float(x, y) [L37] CALL, EXPR __fpclassify_float(x) VAL [\old(x)=2] [L14] __uint32_t w; VAL [\old(x)=2, x=2] [L17] ieee_float_shape_type gf_u; [L18] EXPR gf_u.value = (x) [L19] EXPR gf_u.word [L19] EXPR (w) = gf_u.word [L16-L20] { ieee_float_shape_type gf_u; gf_u.value = (x); (w) = gf_u.word; } VAL [\old(x)=2, w=2139095041, x=2] [L22] COND FALSE !(w == 0x00000000 || w == 0x80000000) [L24-L25] COND FALSE !((w >= 0x00800000 && w <= 0x7f7fffff) || (w >= 0x80800000 && w <= 0xff7fffff)) [L27-L28] COND FALSE !((w >= 0x00000001 && w <= 0x007fffff) || (w >= 0x80000001 && w <= 0x807fffff)) [L30] COND FALSE !(w == 0x7f800000 || w == 0xff800000) [L33] return 0; [L37] RET, EXPR __fpclassify_float(x) VAL [\old(x)=2, \old(y)=3, x=2, y=3] [L37] COND TRUE __fpclassify_float(x) == 0 [L38] return y; VAL [\old(x)=2, \old(y)=3, \result=3, x=2, y=3] [L58] RET, EXPR fmin_float(x, y) [L58] float res = fmin_float(x, y); [L60] CALL, EXPR isnan_float(res) [L46] return x != x; [L60] RET, EXPR isnan_float(res) [L60] COND TRUE !isnan_float(res) [L61] 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 0.36ms. Allocated memory is still 125.8MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 429.38ms. Allocated memory is still 167.8MB. Free memory was 121.3MB in the beginning and 110.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.20ms. Allocated memory is still 167.8MB. Free memory was 110.8MB in the beginning and 108.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.71ms. Allocated memory is still 167.8MB. Free memory was 108.7MB in the beginning and 107.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 617.85ms. Allocated memory is still 167.8MB. Free memory was 107.4MB in the beginning and 89.2MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 766.51ms. Allocated memory is still 167.8MB. Free memory was 89.2MB in the beginning and 66.1MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 11.82ms. Allocated memory is still 167.8MB. Free memory was 66.1MB in the beginning and 66.0MB in the end (delta: 186.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret5 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:37:55,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1230.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 95e4857f2e80c4b2a09349ad506a32e395132bf666c8dc52d9ee1d4dade10d91 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:37:58,680 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:37:58,771 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:37:58,836 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:37:58,842 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:37:58,844 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:37:58,845 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:37:58,846 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:37:58,847 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:37:58,853 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:37:58,854 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:37:58,855 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:37:58,855 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:37:58,858 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:37:58,858 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:37:58,859 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:37:58,860 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:37:58,860 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:37:58,861 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:37:58,862 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:37:58,863 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:37:58,864 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:37:58,864 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:37:58,865 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:37:58,866 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:37:58,866 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:37:58,867 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:37:58,867 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:37:58,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:37:58,869 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:37:58,870 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:37:58,871 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:37:58,871 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:37:58,872 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:37:58,872 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:37:58,873 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:37:58,873 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:37:58,874 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_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95e4857f2e80c4b2a09349ad506a32e395132bf666c8dc52d9ee1d4dade10d91 [2023-11-19 03:37:59,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:37:59,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:37:59,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:37:59,471 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:37:59,472 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:37:59,474 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/float_req_bl_1230.c [2023-11-19 03:38:03,278 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:38:03,606 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:38:03,606 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/sv-benchmarks/c/float-newlib/float_req_bl_1230.c [2023-11-19 03:38:03,640 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL/data/e4d91f4ff/4c324e98a6564aedafd790f50a7c65b7/FLAGe5b9440dc [2023-11-19 03:38:03,661 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL/data/e4d91f4ff/4c324e98a6564aedafd790f50a7c65b7 [2023-11-19 03:38:03,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:38:03,670 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:38:03,676 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:38:03,677 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:38:03,681 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:38:03,682 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:38:03" (1/1) ... [2023-11-19 03:38:03,683 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19a90f13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:03, skipping insertion in model container [2023-11-19 03:38:03,684 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:38:03" (1/1) ... [2023-11-19 03:38:03,711 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:38:03,985 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_1b89f8d7-b0ab-476b-9305-df360907f49b/sv-benchmarks/c/float-newlib/float_req_bl_1230.c[1411,1424] [2023-11-19 03:38:03,991 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:38:04,013 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:38:04,061 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_1b89f8d7-b0ab-476b-9305-df360907f49b/sv-benchmarks/c/float-newlib/float_req_bl_1230.c[1411,1424] [2023-11-19 03:38:04,062 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:38:04,089 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:38:04,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:04 WrapperNode [2023-11-19 03:38:04,090 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:38:04,092 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:38:04,092 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:38:04,092 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:38:04,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:04" (1/1) ... [2023-11-19 03:38:04,129 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:04" (1/1) ... [2023-11-19 03:38:04,159 INFO L138 Inliner]: procedures = 20, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2023-11-19 03:38:04,159 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:38:04,160 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:38:04,161 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:38:04,161 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:38:04,172 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:04" (1/1) ... [2023-11-19 03:38:04,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:04" (1/1) ... [2023-11-19 03:38:04,186 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:04" (1/1) ... [2023-11-19 03:38:04,187 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:04" (1/1) ... [2023-11-19 03:38:04,208 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:04" (1/1) ... [2023-11-19 03:38:04,220 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:04" (1/1) ... [2023-11-19 03:38:04,224 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:04" (1/1) ... [2023-11-19 03:38:04,237 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:04" (1/1) ... [2023-11-19 03:38:04,241 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:38:04,242 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:38:04,242 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:38:04,242 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:38:04,243 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:04" (1/1) ... [2023-11-19 03:38:04,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:38:04,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:38:04,285 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:38:04,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:38:04,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:38:04,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:38:04,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:38:04,349 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2023-11-19 03:38:04,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2023-11-19 03:38:04,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:38:04,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:38:04,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:38:04,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-19 03:38:04,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:38:04,505 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:38:04,508 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:38:04,843 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:38:04,995 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:38:04,996 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:38:05,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:38:05 BoogieIcfgContainer [2023-11-19 03:38:05,002 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:38:05,003 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:38:05,003 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:38:05,016 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:38:05,016 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:38:05" (1/1) ... [2023-11-19 03:38:05,026 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:38:05,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:05,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2023-11-19 03:38:05,094 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2023-11-19 03:38:05,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:38:05,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:38:05,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:38:05,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:38:05,103 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:38:05,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:38:05,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:05,289 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:38:05,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:05,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:38:05,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:38:05,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:38:05,361 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:38:05,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-19 03:38:05,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:05,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2023-11-19 03:38:05,432 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2023-11-19 03:38:05,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:38:05,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:38:05,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:38:05,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:38:05,436 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:38:05,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:38:05,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:05,710 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:38:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:05,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:38:05,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:38:05,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:38:05,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-19 03:38:06,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:06,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 20 transitions. [2023-11-19 03:38:06,261 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2023-11-19 03:38:06,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:38:06,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:38:06,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:38:06,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:38:06,264 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:38:06,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 03:38:06,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:06,586 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:38:06,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:06,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:38:06,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:38:06,867 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 03:38:06,870 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:38:06,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-19 03:38:07,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:07,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 14 states and 15 transitions. [2023-11-19 03:38:07,327 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-19 03:38:07,328 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:38:07,328 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2023-11-19 03:38:07,340 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 03:38:07,381 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:38:07,384 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:38:07,385 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:38:07,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:38:07 ImpRootNode [2023-11-19 03:38:07,385 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:38:07,387 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:38:07,387 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:38:07,387 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:38:07,388 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:38:05" (3/4) ... [2023-11-19 03:38:07,390 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:38:07,395 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __fpclassify_float [2023-11-19 03:38:07,405 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-11-19 03:38:07,405 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-19 03:38:07,406 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:38:07,406 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:38:07,537 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:38:07,538 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:38:07,538 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:38:07,539 INFO L158 Benchmark]: Toolchain (without parser) took 3868.83ms. Allocated memory was 83.9MB in the beginning and 109.1MB in the end (delta: 25.2MB). Free memory was 63.2MB in the beginning and 55.1MB in the end (delta: 8.1MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2023-11-19 03:38:07,540 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory was 59.2MB in the beginning and 59.2MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:38:07,541 INFO L158 Benchmark]: CACSL2BoogieTranslator took 414.37ms. Allocated memory is still 83.9MB. Free memory was 62.9MB in the beginning and 51.6MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:38:07,549 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.77ms. Allocated memory is still 83.9MB. Free memory was 51.6MB in the beginning and 49.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:38:07,550 INFO L158 Benchmark]: Boogie Preprocessor took 80.65ms. Allocated memory is still 83.9MB. Free memory was 49.9MB in the beginning and 48.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:38:07,550 INFO L158 Benchmark]: RCFGBuilder took 760.28ms. Allocated memory is still 83.9MB. Free memory was 48.3MB in the beginning and 55.8MB in the end (delta: -7.5MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2023-11-19 03:38:07,551 INFO L158 Benchmark]: CodeCheck took 2382.40ms. Allocated memory was 83.9MB in the beginning and 109.1MB in the end (delta: 25.2MB). Free memory was 55.8MB in the beginning and 59.8MB in the end (delta: -4.0MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2023-11-19 03:38:07,552 INFO L158 Benchmark]: Witness Printer took 151.51ms. Allocated memory is still 109.1MB. Free memory was 59.8MB in the beginning and 55.1MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:38:07,555 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: 2.3s, 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, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 59 SdHoareTripleChecker+Invalid, 0.6s 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, 0.5s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 36 ConstructedInterpolants, 8 QuantifiedInterpolants, 116 SizeOfPredicates, 17 NumberOfNonLiveVariables, 158 ConjunctsInSsa, 22 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: 61]: 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: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory was 59.2MB in the beginning and 59.2MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 414.37ms. Allocated memory is still 83.9MB. Free memory was 62.9MB in the beginning and 51.6MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.77ms. Allocated memory is still 83.9MB. Free memory was 51.6MB in the beginning and 49.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 80.65ms. Allocated memory is still 83.9MB. Free memory was 49.9MB in the beginning and 48.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 760.28ms. Allocated memory is still 83.9MB. Free memory was 48.3MB in the beginning and 55.8MB in the end (delta: -7.5MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * CodeCheck took 2382.40ms. Allocated memory was 83.9MB in the beginning and 109.1MB in the end (delta: 25.2MB). Free memory was 55.8MB in the beginning and 59.8MB in the end (delta: -4.0MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * Witness Printer took 151.51ms. Allocated memory is still 109.1MB. Free memory was 59.8MB in the beginning and 55.1MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:38:07,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b89f8d7-b0ab-476b-9305-df360907f49b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE