./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-4.i --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_f6018fb2-e18c-4f4d-9ed1-f9d486a90980/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6018fb2-e18c-4f4d-9ed1-f9d486a90980/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_f6018fb2-e18c-4f4d-9ed1-f9d486a90980/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6018fb2-e18c-4f4d-9ed1-f9d486a90980/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6018fb2-e18c-4f4d-9ed1-f9d486a90980/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_f6018fb2-e18c-4f4d-9ed1-f9d486a90980/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 087f53d60a69a89d74f854e09dec49f6677e36a3379c1213b60b4862ed153ba1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:58:54,831 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:58:54,897 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6018fb2-e18c-4f4d-9ed1-f9d486a90980/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 22:58:54,901 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:58:54,902 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:58:54,924 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:58:54,925 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:58:54,926 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:58:54,926 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:58:54,927 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:58:54,928 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:58:54,928 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:58:54,929 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:58:54,929 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:58:54,930 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:58:54,930 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:58:54,931 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:58:54,931 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:58:54,931 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:58:54,932 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:58:54,932 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:58:54,933 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:58:54,934 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:58:54,934 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:58:54,935 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:58:54,935 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:58:54,935 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:58:54,936 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:58:54,936 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:58:54,937 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:58:54,937 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:58:54,937 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:58:54,938 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:58:54,938 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_f6018fb2-e18c-4f4d-9ed1-f9d486a90980/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6018fb2-e18c-4f4d-9ed1-f9d486a90980/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 087f53d60a69a89d74f854e09dec49f6677e36a3379c1213b60b4862ed153ba1 [2023-12-02 22:58:55,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:58:55,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:58:55,197 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:58:55,198 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:58:55,199 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:58:55,200 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6018fb2-e18c-4f4d-9ed1-f9d486a90980/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-4.i [2023-12-02 22:58:57,864 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:58:58,071 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:58:58,071 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6018fb2-e18c-4f4d-9ed1-f9d486a90980/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-4.i [2023-12-02 22:58:58,077 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6018fb2-e18c-4f4d-9ed1-f9d486a90980/bin/ukojak-verify-Qdu7aM0XO9/data/3d29e831f/f65738abe1e742078dcd87db60130820/FLAG886e8afec [2023-12-02 22:58:58,089 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6018fb2-e18c-4f4d-9ed1-f9d486a90980/bin/ukojak-verify-Qdu7aM0XO9/data/3d29e831f/f65738abe1e742078dcd87db60130820 [2023-12-02 22:58:58,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:58:58,092 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:58:58,093 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:58:58,093 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:58:58,096 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:58:58,097 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:58:58" (1/1) ... [2023-12-02 22:58:58,098 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7463fd45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:58:58, skipping insertion in model container [2023-12-02 22:58:58,098 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:58:58" (1/1) ... [2023-12-02 22:58:58,120 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:58:58,247 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_f6018fb2-e18c-4f4d-9ed1-f9d486a90980/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-4.i[914,927] [2023-12-02 22:58:58,271 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:58:58,279 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:58:58,292 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_f6018fb2-e18c-4f4d-9ed1-f9d486a90980/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-4.i[914,927] [2023-12-02 22:58:58,303 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:58:58,317 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:58:58,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:58:58 WrapperNode [2023-12-02 22:58:58,318 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:58:58,319 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:58:58,319 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:58:58,319 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:58:58,325 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:58:58" (1/1) ... [2023-12-02 22:58:58,331 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:58:58" (1/1) ... [2023-12-02 22:58:58,346 INFO L138 Inliner]: procedures = 26, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 68 [2023-12-02 22:58:58,347 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:58:58,347 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:58:58,348 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:58:58,348 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:58:58,356 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:58:58" (1/1) ... [2023-12-02 22:58:58,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:58:58" (1/1) ... [2023-12-02 22:58:58,357 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:58:58" (1/1) ... [2023-12-02 22:58:58,357 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:58:58" (1/1) ... [2023-12-02 22:58:58,361 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:58:58" (1/1) ... [2023-12-02 22:58:58,363 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:58:58" (1/1) ... [2023-12-02 22:58:58,364 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:58:58" (1/1) ... [2023-12-02 22:58:58,365 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:58:58" (1/1) ... [2023-12-02 22:58:58,367 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:58:58,367 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:58:58,367 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:58:58,367 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:58:58,368 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:58:58" (1/1) ... [2023-12-02 22:58:58,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:58:58,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6018fb2-e18c-4f4d-9ed1-f9d486a90980/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:58:58,391 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6018fb2-e18c-4f4d-9ed1-f9d486a90980/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:58:58,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6018fb2-e18c-4f4d-9ed1-f9d486a90980/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:58:58,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:58:58,423 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 22:58:58,423 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 22:58:58,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:58:58,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:58:58,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:58:58,496 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:58:58,498 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:58:58,644 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:58:58,704 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:58:58,704 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:58:58,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:58:58 BoogieIcfgContainer [2023-12-02 22:58:58,706 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:58:58,707 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:58:58,707 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:58:58,716 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:58:58,717 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:58:58" (1/1) ... [2023-12-02 22:58:58,725 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:58:58,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:58:58,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2023-12-02 22:58:58,782 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2023-12-02 22:58:58,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 22:58:58,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:58:58,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:58:58,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:58:58,946 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:58:58,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:58:59,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:58:59,074 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:58:59,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:58:59,118 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 22:58:59,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:58:59 ImpRootNode [2023-12-02 22:58:59,154 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:58:59,155 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:58:59,155 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:58:59,155 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:58:59,156 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:58:58" (3/4) ... [2023-12-02 22:58:59,158 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:58:59,159 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:58:59,159 INFO L158 Benchmark]: Toolchain (without parser) took 1067.24ms. Allocated memory is still 144.7MB. Free memory was 109.5MB in the beginning and 59.1MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-12-02 22:58:59,160 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 144.7MB. Free memory is still 116.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:58:59,161 INFO L158 Benchmark]: CACSL2BoogieTranslator took 225.22ms. Allocated memory is still 144.7MB. Free memory was 109.5MB in the beginning and 98.4MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 22:58:59,162 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.17ms. Allocated memory is still 144.7MB. Free memory was 98.4MB in the beginning and 96.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:58:59,162 INFO L158 Benchmark]: Boogie Preprocessor took 19.24ms. Allocated memory is still 144.7MB. Free memory was 96.4MB in the beginning and 95.4MB in the end (delta: 998.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:58:59,163 INFO L158 Benchmark]: RCFGBuilder took 338.56ms. Allocated memory is still 144.7MB. Free memory was 95.4MB in the beginning and 80.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 22:58:59,163 INFO L158 Benchmark]: CodeCheck took 447.63ms. Allocated memory is still 144.7MB. Free memory was 80.6MB in the beginning and 59.1MB in the end (delta: 21.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-02 22:58:59,164 INFO L158 Benchmark]: Witness Printer took 3.83ms. Allocated memory is still 144.7MB. Free memory is still 59.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:58:59,167 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, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 29 NumberOfCodeBlocks, 29 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: 19]: 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 56. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -16; [L23] signed short int var_1_2 = 16; [L24] signed short int var_1_3 = 25; [L25] signed long int var_1_4 = -32; [L26] unsigned char var_1_5 = 1; [L27] float var_1_6 = 0.6599999999999999; [L28] float var_1_7 = 256.6; [L60] isInitial = 1 [L61] FCALL initially() [L62] COND TRUE 1 [L63] FCALL updateLastVariables() [L64] CALL updateVariables() [L41] var_1_2 = __VERIFIER_nondet_short() [L42] CALL assume_abort_if_not(var_1_2 >= -32768) VAL [\old(cond)=1, isInitial=1, var_1_1=-16, var_1_2=1, var_1_3=25, var_1_4=-32, var_1_5=1, var_1_6=6599999999999999/10000000000000000, var_1_7=1283/5] [L20] COND FALSE !(!cond) [L42] RET assume_abort_if_not(var_1_2 >= -32768) VAL [isInitial=1, var_1_1=-16, var_1_2=1, var_1_3=25, var_1_4=-32, var_1_5=1, var_1_6=6599999999999999/10000000000000000, var_1_7=1283/5] [L43] CALL assume_abort_if_not(var_1_2 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_1=-16, var_1_2=1, var_1_3=25, var_1_4=-32, var_1_5=1, var_1_6=6599999999999999/10000000000000000, var_1_7=1283/5] [L20] COND FALSE !(!cond) [L43] RET assume_abort_if_not(var_1_2 <= 32767) VAL [isInitial=1, var_1_1=-16, var_1_2=1, var_1_3=25, var_1_4=-32, var_1_5=1, var_1_6=6599999999999999/10000000000000000, var_1_7=1283/5] [L44] var_1_3 = __VERIFIER_nondet_short() [L45] CALL assume_abort_if_not(var_1_3 >= -32768) VAL [\old(cond)=1, isInitial=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_4=-32, var_1_5=1, var_1_6=6599999999999999/10000000000000000, var_1_7=1283/5] [L20] COND FALSE !(!cond) [L45] RET assume_abort_if_not(var_1_3 >= -32768) VAL [isInitial=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_4=-32, var_1_5=1, var_1_6=6599999999999999/10000000000000000, var_1_7=1283/5] [L46] CALL assume_abort_if_not(var_1_3 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_4=-32, var_1_5=1, var_1_6=6599999999999999/10000000000000000, var_1_7=1283/5] [L20] COND FALSE !(!cond) [L46] RET assume_abort_if_not(var_1_3 <= 32767) VAL [isInitial=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_4=-32, var_1_5=1, var_1_6=6599999999999999/10000000000000000, var_1_7=1283/5] [L47] var_1_4 = __VERIFIER_nondet_long() [L48] CALL assume_abort_if_not(var_1_4 >= -2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_4=30613, var_1_5=1, var_1_6=6599999999999999/10000000000000000, var_1_7=1283/5] [L20] COND FALSE !(!cond) [L48] RET assume_abort_if_not(var_1_4 >= -2147483647) VAL [isInitial=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_4=30613, var_1_5=1, var_1_6=6599999999999999/10000000000000000, var_1_7=1283/5] [L49] CALL assume_abort_if_not(var_1_4 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_4=30613, var_1_5=1, var_1_6=6599999999999999/10000000000000000, var_1_7=1283/5] [L20] COND FALSE !(!cond) [L49] RET assume_abort_if_not(var_1_4 <= 2147483646) VAL [isInitial=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_4=30613, var_1_5=1, var_1_6=6599999999999999/10000000000000000, var_1_7=1283/5] [L50] var_1_7 = __VERIFIER_nondet_float() [L51] CALL assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_4=30613, var_1_5=1, var_1_6=6599999999999999/10000000000000000] [L20] COND FALSE !(!cond) [L51] RET assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_4=30613, var_1_5=1, var_1_6=6599999999999999/10000000000000000] [L64] RET updateVariables() [L65] CALL step() [L32] COND FALSE !(var_1_2 <= var_1_3) [L35] var_1_1 = ((((var_1_4) > (((((var_1_3) < (var_1_2)) ? (var_1_3) : (var_1_2))))) ? (var_1_4) : (((((var_1_3) < (var_1_2)) ? (var_1_3) : (var_1_2)))))) [L37] var_1_5 = 0 [L38] var_1_6 = var_1_7 [L65] RET step() [L66] CALL, EXPR property() [L56-L57] return (((var_1_2 <= var_1_3) ? (var_1_1 == ((signed long int) ((((var_1_2) < ((var_1_3 + -50))) ? (var_1_2) : ((var_1_3 + -50)))))) : (var_1_1 == ((signed long int) ((((var_1_4) > (((((var_1_3) < (var_1_2)) ? (var_1_3) : (var_1_2))))) ? (var_1_4) : (((((var_1_3) < (var_1_2)) ? (var_1_3) : (var_1_2))))))))) && (var_1_5 == ((unsigned char) 0))) && (var_1_6 == ((float) var_1_7)) ; [L66] RET, EXPR property() [L66] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_1=30613, var_1_2=1, var_1_3=0, var_1_4=30613, var_1_5=0, var_1_6=2, var_1_7=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_1=30613, var_1_2=1, var_1_3=0, var_1_4=30613, var_1_5=0, var_1_6=2, var_1_7=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 144.7MB. Free memory is still 116.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 225.22ms. Allocated memory is still 144.7MB. Free memory was 109.5MB in the beginning and 98.4MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.17ms. Allocated memory is still 144.7MB. Free memory was 98.4MB in the beginning and 96.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.24ms. Allocated memory is still 144.7MB. Free memory was 96.4MB in the beginning and 95.4MB in the end (delta: 998.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 338.56ms. Allocated memory is still 144.7MB. Free memory was 95.4MB in the beginning and 80.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 447.63ms. Allocated memory is still 144.7MB. Free memory was 80.6MB in the beginning and 59.1MB in the end (delta: 21.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 3.83ms. Allocated memory is still 144.7MB. Free memory is still 59.1MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 22:58:59,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6018fb2-e18c-4f4d-9ed1-f9d486a90980/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_f6018fb2-e18c-4f4d-9ed1-f9d486a90980/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6018fb2-e18c-4f4d-9ed1-f9d486a90980/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_f6018fb2-e18c-4f4d-9ed1-f9d486a90980/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6018fb2-e18c-4f4d-9ed1-f9d486a90980/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6018fb2-e18c-4f4d-9ed1-f9d486a90980/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_f6018fb2-e18c-4f4d-9ed1-f9d486a90980/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 087f53d60a69a89d74f854e09dec49f6677e36a3379c1213b60b4862ed153ba1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:59:01,149 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:59:01,228 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6018fb2-e18c-4f4d-9ed1-f9d486a90980/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 22:59:01,259 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:59:01,260 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:59:01,261 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:59:01,261 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:59:01,262 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:59:01,263 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:59:01,263 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:59:01,264 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:59:01,264 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:59:01,265 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:59:01,265 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:59:01,266 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:59:01,266 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:59:01,267 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:59:01,267 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:59:01,268 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:59:01,268 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:59:01,269 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:59:01,269 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:59:01,270 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:59:01,270 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:59:01,271 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:59:01,271 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:59:01,272 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:59:01,272 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:59:01,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:59:01,273 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:59:01,273 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:59:01,274 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:59:01,274 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:59:01,274 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:59:01,275 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:59:01,275 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:59:01,275 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:59:01,275 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_f6018fb2-e18c-4f4d-9ed1-f9d486a90980/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6018fb2-e18c-4f4d-9ed1-f9d486a90980/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 087f53d60a69a89d74f854e09dec49f6677e36a3379c1213b60b4862ed153ba1 [2023-12-02 22:59:01,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:59:01,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:59:01,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:59:01,560 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:59:01,561 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:59:01,562 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6018fb2-e18c-4f4d-9ed1-f9d486a90980/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-4.i [2023-12-02 22:59:04,327 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:59:04,528 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:59:04,528 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6018fb2-e18c-4f4d-9ed1-f9d486a90980/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-4.i [2023-12-02 22:59:04,535 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6018fb2-e18c-4f4d-9ed1-f9d486a90980/bin/ukojak-verify-Qdu7aM0XO9/data/b56e3b725/bf40121e0b204c2098d8b5262e1a7976/FLAGda44feaca [2023-12-02 22:59:04,547 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6018fb2-e18c-4f4d-9ed1-f9d486a90980/bin/ukojak-verify-Qdu7aM0XO9/data/b56e3b725/bf40121e0b204c2098d8b5262e1a7976 [2023-12-02 22:59:04,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:59:04,549 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:59:04,551 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:59:04,551 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:59:04,554 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:59:04,555 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:59:04" (1/1) ... [2023-12-02 22:59:04,556 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@600d7e90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:59:04, skipping insertion in model container [2023-12-02 22:59:04,556 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:59:04" (1/1) ... [2023-12-02 22:59:04,580 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:59:04,729 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_f6018fb2-e18c-4f4d-9ed1-f9d486a90980/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-4.i[914,927] [2023-12-02 22:59:04,758 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:59:04,774 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:59:04,787 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_f6018fb2-e18c-4f4d-9ed1-f9d486a90980/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-4.i[914,927] [2023-12-02 22:59:04,800 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:59:04,818 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:59:04,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:59:04 WrapperNode [2023-12-02 22:59:04,819 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:59:04,820 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:59:04,820 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:59:04,821 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:59:04,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:59:04" (1/1) ... [2023-12-02 22:59:04,838 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:59:04" (1/1) ... [2023-12-02 22:59:04,860 INFO L138 Inliner]: procedures = 27, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 65 [2023-12-02 22:59:04,860 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:59:04,861 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:59:04,861 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:59:04,861 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:59:04,870 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:59:04" (1/1) ... [2023-12-02 22:59:04,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:59:04" (1/1) ... [2023-12-02 22:59:04,874 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:59:04" (1/1) ... [2023-12-02 22:59:04,874 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:59:04" (1/1) ... [2023-12-02 22:59:04,881 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:59:04" (1/1) ... [2023-12-02 22:59:04,884 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:59:04" (1/1) ... [2023-12-02 22:59:04,887 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:59:04" (1/1) ... [2023-12-02 22:59:04,888 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:59:04" (1/1) ... [2023-12-02 22:59:04,892 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:59:04,893 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:59:04,893 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:59:04,893 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:59:04,894 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:59:04" (1/1) ... [2023-12-02 22:59:04,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:59:04,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6018fb2-e18c-4f4d-9ed1-f9d486a90980/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:59:04,919 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6018fb2-e18c-4f4d-9ed1-f9d486a90980/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:59:04,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6018fb2-e18c-4f4d-9ed1-f9d486a90980/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:59:04,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:59:04,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:59:04,955 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 22:59:04,955 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 22:59:04,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:59:04,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:59:05,032 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:59:05,034 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:59:05,196 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:59:05,266 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:59:05,266 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:59:05,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:59:05 BoogieIcfgContainer [2023-12-02 22:59:05,268 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:59:05,269 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:59:05,269 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:59:05,278 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:59:05,279 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:59:05" (1/1) ... [2023-12-02 22:59:05,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:59:05,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:59:05,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2023-12-02 22:59:05,342 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2023-12-02 22:59:05,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 22:59:05,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:59:05,347 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:59:05,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6018fb2-e18c-4f4d-9ed1-f9d486a90980/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:59:05,367 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6018fb2-e18c-4f4d-9ed1-f9d486a90980/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:59:05,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6018fb2-e18c-4f4d-9ed1-f9d486a90980/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:59:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:59:05,712 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:59:05,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:59:05,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:59:05,769 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:59:27,034 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-02 22:59:27,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6018fb2-e18c-4f4d-9ed1-f9d486a90980/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:59:27,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:59:27,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 17 states and 23 transitions. [2023-12-02 22:59:27,303 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2023-12-02 22:59:27,303 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 22:59:27,304 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2023-12-02 22:59:27,312 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-02 22:59:27,349 INFO L560 CodeCheckObserver]: Invariant with dag size 17 [2023-12-02 22:59:27,355 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.leq~32(~var_1_7~0, ~to_fp~32(currentRoundingMode, 9.2233720368547656E18)) && ~fp.geq~32(~var_1_7~0, ~to_fp~32(currentRoundingMode, 1/100000000000000000000))) could not be translated [2023-12-02 22:59:27,356 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.geq~32(~var_1_7~0, ~fp.neg~32(~to_fp~32(currentRoundingMode, 9.2233720368547656E18))) && ~fp.leq~32(~var_1_7~0, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1/100000000000000000000)))) could not be translated [2023-12-02 22:59:27,356 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:59:27,358 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:59:27,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:59:27 ImpRootNode [2023-12-02 22:59:27,358 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:59:27,359 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:59:27,359 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:59:27,359 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:59:27,360 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:59:05" (3/4) ... [2023-12-02 22:59:27,361 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 22:59:27,364 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-02 22:59:27,369 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-12-02 22:59:27,369 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-12-02 22:59:27,370 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 22:59:27,370 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 22:59:27,463 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6018fb2-e18c-4f4d-9ed1-f9d486a90980/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 22:59:27,464 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6018fb2-e18c-4f4d-9ed1-f9d486a90980/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 22:59:27,464 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:59:27,465 INFO L158 Benchmark]: Toolchain (without parser) took 22915.16ms. Allocated memory was 96.5MB in the beginning and 536.9MB in the end (delta: 440.4MB). Free memory was 72.7MB in the beginning and 305.1MB in the end (delta: -232.5MB). Peak memory consumption was 209.7MB. Max. memory is 16.1GB. [2023-12-02 22:59:27,465 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 65.0MB. Free memory was 40.9MB in the beginning and 40.9MB in the end (delta: 56.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:59:27,466 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.07ms. Allocated memory is still 96.5MB. Free memory was 72.7MB in the beginning and 60.6MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 22:59:27,466 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.86ms. Allocated memory is still 96.5MB. Free memory was 60.6MB in the beginning and 58.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:59:27,467 INFO L158 Benchmark]: Boogie Preprocessor took 31.39ms. Allocated memory is still 96.5MB. Free memory was 58.8MB in the beginning and 57.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:59:27,467 INFO L158 Benchmark]: RCFGBuilder took 374.85ms. Allocated memory is still 96.5MB. Free memory was 57.2MB in the beginning and 64.1MB in the end (delta: -6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 22:59:27,468 INFO L158 Benchmark]: CodeCheck took 22089.72ms. Allocated memory was 96.5MB in the beginning and 536.9MB in the end (delta: 440.4MB). Free memory was 64.1MB in the beginning and 309.3MB in the end (delta: -245.2MB). Peak memory consumption was 197.2MB. Max. memory is 16.1GB. [2023-12-02 22:59:27,468 INFO L158 Benchmark]: Witness Printer took 105.22ms. Allocated memory is still 536.9MB. Free memory was 309.3MB in the beginning and 305.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 22:59:27,471 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, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 22.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 48 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25 IncrementalHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 13 mSDtfsCounter, 25 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 180 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 21.3s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 28 ConstructedInterpolants, 1 QuantifiedInterpolants, 62 SizeOfPredicates, 13 NumberOfNonLiveVariables, 76 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 37/42 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: 19]: 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: 40]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 65.0MB. Free memory was 40.9MB in the beginning and 40.9MB in the end (delta: 56.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.07ms. Allocated memory is still 96.5MB. Free memory was 72.7MB in the beginning and 60.6MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.86ms. Allocated memory is still 96.5MB. Free memory was 60.6MB in the beginning and 58.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.39ms. Allocated memory is still 96.5MB. Free memory was 58.8MB in the beginning and 57.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 374.85ms. Allocated memory is still 96.5MB. Free memory was 57.2MB in the beginning and 64.1MB in the end (delta: -6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 22089.72ms. Allocated memory was 96.5MB in the beginning and 536.9MB in the end (delta: 440.4MB). Free memory was 64.1MB in the beginning and 309.3MB in the end (delta: -245.2MB). Peak memory consumption was 197.2MB. Max. memory is 16.1GB. * Witness Printer took 105.22ms. Allocated memory is still 536.9MB. Free memory was 309.3MB in the beginning and 305.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.leq~32(~var_1_7~0, ~to_fp~32(currentRoundingMode, 9.2233720368547656E18)) && ~fp.geq~32(~var_1_7~0, ~to_fp~32(currentRoundingMode, 1/100000000000000000000))) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.geq~32(~var_1_7~0, ~fp.neg~32(~to_fp~32(currentRoundingMode, 9.2233720368547656E18))) && ~fp.leq~32(~var_1_7~0, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1/100000000000000000000)))) could not be translated RESULT: Ultimate proved your program to be correct! [2023-12-02 22:59:27,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6018fb2-e18c-4f4d-9ed1-f9d486a90980/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