./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.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_ac21e63c-a549-4ac8-9829-9633a0dd90f3/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac21e63c-a549-4ac8-9829-9633a0dd90f3/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_ac21e63c-a549-4ac8-9829-9633a0dd90f3/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac21e63c-a549-4ac8-9829-9633a0dd90f3/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac21e63c-a549-4ac8-9829-9633a0dd90f3/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_ac21e63c-a549-4ac8-9829-9633a0dd90f3/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 098bb68c9788336ffa4c6e074693ab2367c9ebfab2531a443a5312e0095ec011 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:57:36,519 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:57:36,598 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac21e63c-a549-4ac8-9829-9633a0dd90f3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 01:57:36,603 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:57:36,604 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:57:36,629 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:57:36,630 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:57:36,631 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:57:36,632 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:57:36,633 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:57:36,634 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:57:36,634 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:57:36,635 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:57:36,636 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:57:36,636 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:57:36,637 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:57:36,637 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:57:36,638 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:57:36,639 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:57:36,639 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:57:36,640 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:57:36,641 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:57:36,641 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:57:36,642 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:57:36,642 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:57:36,643 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:57:36,643 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:57:36,644 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:57:36,644 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:57:36,645 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:57:36,645 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:57:36,645 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:57:36,646 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:57:36,646 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_ac21e63c-a549-4ac8-9829-9633a0dd90f3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac21e63c-a549-4ac8-9829-9633a0dd90f3/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 098bb68c9788336ffa4c6e074693ab2367c9ebfab2531a443a5312e0095ec011 [2023-12-03 01:57:36,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:57:36,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:57:36,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:57:36,950 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:57:36,950 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:57:36,952 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac21e63c-a549-4ac8-9829-9633a0dd90f3/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c [2023-12-03 01:57:39,822 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:57:40,023 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:57:40,024 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac21e63c-a549-4ac8-9829-9633a0dd90f3/sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c [2023-12-03 01:57:40,032 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac21e63c-a549-4ac8-9829-9633a0dd90f3/bin/ukojak-verify-Qdu7aM0XO9/data/c17eb47c4/b5c9987169044b2aa610168873ea858e/FLAG711e44e98 [2023-12-03 01:57:40,058 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac21e63c-a549-4ac8-9829-9633a0dd90f3/bin/ukojak-verify-Qdu7aM0XO9/data/c17eb47c4/b5c9987169044b2aa610168873ea858e [2023-12-03 01:57:40,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:57:40,063 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:57:40,067 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:57:40,067 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:57:40,077 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:57:40,078 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:57:40" (1/1) ... [2023-12-03 01:57:40,080 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cc2bd48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:40, skipping insertion in model container [2023-12-03 01:57:40,080 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:57:40" (1/1) ... [2023-12-03 01:57:40,167 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:57:40,324 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_ac21e63c-a549-4ac8-9829-9633a0dd90f3/sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c[358,371] [2023-12-03 01:57:40,330 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:57:40,342 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:57:40,357 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_ac21e63c-a549-4ac8-9829-9633a0dd90f3/sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c[358,371] [2023-12-03 01:57:40,358 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:57:40,374 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:57:40,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:40 WrapperNode [2023-12-03 01:57:40,374 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:57:40,376 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:57:40,376 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:57:40,376 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:57:40,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:40" (1/1) ... [2023-12-03 01:57:40,392 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:40" (1/1) ... [2023-12-03 01:57:40,406 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 14 [2023-12-03 01:57:40,407 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:57:40,407 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:57:40,408 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:57:40,408 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:57:40,414 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:40" (1/1) ... [2023-12-03 01:57:40,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:40" (1/1) ... [2023-12-03 01:57:40,415 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:40" (1/1) ... [2023-12-03 01:57:40,416 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:40" (1/1) ... [2023-12-03 01:57:40,419 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:40" (1/1) ... [2023-12-03 01:57:40,420 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:40" (1/1) ... [2023-12-03 01:57:40,420 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:40" (1/1) ... [2023-12-03 01:57:40,421 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:40" (1/1) ... [2023-12-03 01:57:40,440 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:57:40,441 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:57:40,441 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:57:40,442 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:57:40,442 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:40" (1/1) ... [2023-12-03 01:57:40,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:57:40,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac21e63c-a549-4ac8-9829-9633a0dd90f3/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:57:40,473 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac21e63c-a549-4ac8-9829-9633a0dd90f3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:57:40,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac21e63c-a549-4ac8-9829-9633a0dd90f3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:57:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:57:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:57:40,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:57:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:57:40,569 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:57:40,571 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:57:40,650 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:57:40,672 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:57:40,673 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 01:57:40,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:57:40 BoogieIcfgContainer [2023-12-03 01:57:40,675 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:57:40,676 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:57:40,676 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:57:40,687 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:57:40,687 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:57:40" (1/1) ... [2023-12-03 01:57:40,697 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:57:40,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:57:40,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-12-03 01:57:40,758 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-12-03 01:57:40,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 01:57:40,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:57:40,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:57:40,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:57:40,872 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:57:40,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:57:40,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:57:40,963 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:57:40,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:57:40,973 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 01:57:40,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:57:40 ImpRootNode [2023-12-03 01:57:40,993 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:57:40,994 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:57:40,994 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:57:40,994 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:57:40,995 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:57:40" (3/4) ... [2023-12-03 01:57:40,997 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 01:57:40,998 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:57:41,000 INFO L158 Benchmark]: Toolchain (without parser) took 936.35ms. Allocated memory is still 144.7MB. Free memory was 99.8MB in the beginning and 67.7MB in the end (delta: 32.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-12-03 01:57:41,001 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 144.7MB. Free memory was 93.0MB in the beginning and 92.8MB in the end (delta: 121.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:57:41,002 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.83ms. Allocated memory is still 144.7MB. Free memory was 99.5MB in the beginning and 89.6MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 01:57:41,003 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.23ms. Allocated memory is still 144.7MB. Free memory was 89.6MB in the beginning and 88.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:57:41,004 INFO L158 Benchmark]: Boogie Preprocessor took 33.01ms. Allocated memory is still 144.7MB. Free memory was 88.2MB in the beginning and 87.2MB in the end (delta: 955.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:57:41,005 INFO L158 Benchmark]: RCFGBuilder took 233.44ms. Allocated memory is still 144.7MB. Free memory was 87.2MB in the beginning and 78.5MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 01:57:41,006 INFO L158 Benchmark]: CodeCheck took 317.42ms. Allocated memory is still 144.7MB. Free memory was 78.5MB in the beginning and 68.0MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 01:57:41,007 INFO L158 Benchmark]: Witness Printer took 5.08ms. Allocated memory is still 144.7MB. Free memory was 68.0MB in the beginning and 67.7MB in the end (delta: 322.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:57:41,012 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 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, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 10]: 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 to_int at line 10, overapproximation of someBinaryArithmeticFLOAToperation at line 8. Possible FailurePath: [L8] float fs1=2.0f/6.0f; [L9] float fs2=fs1*6.0f; [L10] COND TRUE !((int)fs2==2) [L10] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 144.7MB. Free memory was 93.0MB in the beginning and 92.8MB in the end (delta: 121.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 307.83ms. Allocated memory is still 144.7MB. Free memory was 99.5MB in the beginning and 89.6MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.23ms. Allocated memory is still 144.7MB. Free memory was 89.6MB in the beginning and 88.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.01ms. Allocated memory is still 144.7MB. Free memory was 88.2MB in the beginning and 87.2MB in the end (delta: 955.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 233.44ms. Allocated memory is still 144.7MB. Free memory was 87.2MB in the beginning and 78.5MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 317.42ms. Allocated memory is still 144.7MB. Free memory was 78.5MB in the beginning and 68.0MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 5.08ms. Allocated memory is still 144.7MB. Free memory was 68.0MB in the beginning and 67.7MB in the end (delta: 322.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 01:57:41,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac21e63c-a549-4ac8-9829-9633a0dd90f3/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_ac21e63c-a549-4ac8-9829-9633a0dd90f3/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac21e63c-a549-4ac8-9829-9633a0dd90f3/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_ac21e63c-a549-4ac8-9829-9633a0dd90f3/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac21e63c-a549-4ac8-9829-9633a0dd90f3/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac21e63c-a549-4ac8-9829-9633a0dd90f3/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_ac21e63c-a549-4ac8-9829-9633a0dd90f3/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 098bb68c9788336ffa4c6e074693ab2367c9ebfab2531a443a5312e0095ec011 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:57:43,518 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:57:43,598 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac21e63c-a549-4ac8-9829-9633a0dd90f3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 01:57:43,629 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:57:43,630 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:57:43,631 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:57:43,631 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:57:43,632 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:57:43,633 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:57:43,633 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:57:43,634 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:57:43,634 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:57:43,635 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:57:43,635 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:57:43,636 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:57:43,636 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:57:43,637 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:57:43,638 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:57:43,638 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:57:43,639 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:57:43,639 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:57:43,640 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:57:43,641 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:57:43,641 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:57:43,642 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:57:43,642 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:57:43,643 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:57:43,643 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:57:43,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:57:43,644 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:57:43,645 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:57:43,645 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:57:43,645 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:57:43,646 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:57:43,646 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:57:43,646 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:57:43,646 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:57:43,647 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_ac21e63c-a549-4ac8-9829-9633a0dd90f3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac21e63c-a549-4ac8-9829-9633a0dd90f3/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 098bb68c9788336ffa4c6e074693ab2367c9ebfab2531a443a5312e0095ec011 [2023-12-03 01:57:43,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:57:43,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:57:43,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:57:43,979 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:57:43,979 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:57:43,980 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac21e63c-a549-4ac8-9829-9633a0dd90f3/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c [2023-12-03 01:57:46,917 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:57:47,183 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:57:47,185 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac21e63c-a549-4ac8-9829-9633a0dd90f3/sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c [2023-12-03 01:57:47,209 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac21e63c-a549-4ac8-9829-9633a0dd90f3/bin/ukojak-verify-Qdu7aM0XO9/data/b9d8d0ef1/8fa15be01076437d8702c90af758d65d/FLAG8b64a4ffb [2023-12-03 01:57:47,232 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac21e63c-a549-4ac8-9829-9633a0dd90f3/bin/ukojak-verify-Qdu7aM0XO9/data/b9d8d0ef1/8fa15be01076437d8702c90af758d65d [2023-12-03 01:57:47,235 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:57:47,236 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:57:47,239 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:57:47,239 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:57:47,244 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:57:47,245 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:57:47" (1/1) ... [2023-12-03 01:57:47,247 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3394e853 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:47, skipping insertion in model container [2023-12-03 01:57:47,247 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:57:47" (1/1) ... [2023-12-03 01:57:47,269 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:57:47,485 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_ac21e63c-a549-4ac8-9829-9633a0dd90f3/sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c[358,371] [2023-12-03 01:57:47,491 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:57:47,513 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:57:47,533 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_ac21e63c-a549-4ac8-9829-9633a0dd90f3/sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c[358,371] [2023-12-03 01:57:47,534 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:57:47,556 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:57:47,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:47 WrapperNode [2023-12-03 01:57:47,557 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:57:47,558 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:57:47,558 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:57:47,559 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:57:47,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:47" (1/1) ... [2023-12-03 01:57:47,581 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:47" (1/1) ... [2023-12-03 01:57:47,599 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 15 [2023-12-03 01:57:47,600 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:57:47,602 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:57:47,602 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:57:47,602 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:57:47,612 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:47" (1/1) ... [2023-12-03 01:57:47,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:47" (1/1) ... [2023-12-03 01:57:47,633 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:47" (1/1) ... [2023-12-03 01:57:47,633 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:47" (1/1) ... [2023-12-03 01:57:47,639 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:47" (1/1) ... [2023-12-03 01:57:47,644 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:47" (1/1) ... [2023-12-03 01:57:47,647 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:47" (1/1) ... [2023-12-03 01:57:47,654 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:47" (1/1) ... [2023-12-03 01:57:47,656 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:57:47,660 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:57:47,661 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:57:47,661 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:57:47,662 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:47" (1/1) ... [2023-12-03 01:57:47,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:57:47,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac21e63c-a549-4ac8-9829-9633a0dd90f3/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:57:47,704 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac21e63c-a549-4ac8-9829-9633a0dd90f3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:57:47,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac21e63c-a549-4ac8-9829-9633a0dd90f3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:57:47,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:57:47,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:57:47,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:57:47,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:57:47,830 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:57:47,833 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:57:48,096 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:57:48,133 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:57:48,133 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 01:57:48,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:57:48 BoogieIcfgContainer [2023-12-03 01:57:48,136 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:57:48,137 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:57:48,137 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:57:48,148 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:57:48,148 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:57:48" (1/1) ... [2023-12-03 01:57:48,159 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:57:48,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:57:48,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-12-03 01:57:48,249 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-12-03 01:57:48,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 01:57:48,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:57:48,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:57:48,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac21e63c-a549-4ac8-9829-9633a0dd90f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:57:48,260 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac21e63c-a549-4ac8-9829-9633a0dd90f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:57:48,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac21e63c-a549-4ac8-9829-9633a0dd90f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:57:48,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:48,454 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:57:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:48,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:57:48,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:57:48,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:57:48,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac21e63c-a549-4ac8-9829-9633a0dd90f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 01:57:48,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:57:48,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2023-12-03 01:57:48,768 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2023-12-03 01:57:48,768 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 01:57:48,768 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2023-12-03 01:57:48,775 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 01:57:48,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:57:48 ImpRootNode [2023-12-03 01:57:48,783 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:57:48,783 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:57:48,783 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:57:48,783 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:57:48,784 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:57:48" (3/4) ... [2023-12-03 01:57:48,786 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 01:57:48,792 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-12-03 01:57:48,792 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-12-03 01:57:48,792 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 01:57:48,792 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 01:57:48,851 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac21e63c-a549-4ac8-9829-9633a0dd90f3/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 01:57:48,851 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac21e63c-a549-4ac8-9829-9633a0dd90f3/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 01:57:48,851 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:57:48,852 INFO L158 Benchmark]: Toolchain (without parser) took 1615.72ms. Allocated memory is still 90.2MB. Free memory was 66.9MB in the beginning and 55.1MB in the end (delta: 11.7MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2023-12-03 01:57:48,853 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:57:48,853 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.02ms. Allocated memory is still 90.2MB. Free memory was 66.6MB in the beginning and 56.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 01:57:48,854 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.08ms. Allocated memory is still 90.2MB. Free memory was 56.1MB in the beginning and 54.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:57:48,854 INFO L158 Benchmark]: Boogie Preprocessor took 58.00ms. Allocated memory is still 90.2MB. Free memory was 54.6MB in the beginning and 53.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:57:48,855 INFO L158 Benchmark]: RCFGBuilder took 475.47ms. Allocated memory is still 90.2MB. Free memory was 53.5MB in the beginning and 43.8MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 01:57:48,855 INFO L158 Benchmark]: CodeCheck took 645.53ms. Allocated memory is still 90.2MB. Free memory was 43.8MB in the beginning and 59.3MB in the end (delta: -15.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:57:48,856 INFO L158 Benchmark]: Witness Printer took 68.09ms. Allocated memory is still 90.2MB. Free memory was 59.3MB in the beginning and 55.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 01:57:48,859 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 1 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 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, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 3 NumberOfNonLiveVariables, 17 ConjunctsInSsa, 4 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 - PositiveResult [Line: 10]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 318.02ms. Allocated memory is still 90.2MB. Free memory was 66.6MB in the beginning and 56.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.08ms. Allocated memory is still 90.2MB. Free memory was 56.1MB in the beginning and 54.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 58.00ms. Allocated memory is still 90.2MB. Free memory was 54.6MB in the beginning and 53.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 475.47ms. Allocated memory is still 90.2MB. Free memory was 53.5MB in the beginning and 43.8MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 645.53ms. Allocated memory is still 90.2MB. Free memory was 43.8MB in the beginning and 59.3MB in the end (delta: -15.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 68.09ms. Allocated memory is still 90.2MB. Free memory was 59.3MB in the beginning and 55.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 01:57:48,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac21e63c-a549-4ac8-9829-9633a0dd90f3/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