./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-32.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f4f2a-5198-4bf9-9ef6-523d7c5fb797/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f4f2a-5198-4bf9-9ef6-523d7c5fb797/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f4f2a-5198-4bf9-9ef6-523d7c5fb797/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f4f2a-5198-4bf9-9ef6-523d7c5fb797/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-32.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f4f2a-5198-4bf9-9ef6-523d7c5fb797/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f4f2a-5198-4bf9-9ef6-523d7c5fb797/bin/ukojak-verify-afCqCEvfdi --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 67d7a7169c3a651986674642d9c97cbbd9936901b5f185205eb535897337bc6e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:06:52,914 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:06:52,990 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f4f2a-5198-4bf9-9ef6-523d7c5fb797/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:06:52,996 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:06:52,997 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:06:53,037 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:06:53,038 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:06:53,038 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:06:53,039 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:06:53,040 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:06:53,040 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:06:53,041 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:06:53,041 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:06:53,042 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:06:53,042 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:06:53,043 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:06:53,044 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:06:53,044 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:06:53,045 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:06:53,045 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:06:53,046 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:06:53,050 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:06:53,052 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:06:53,053 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:06:53,058 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:06:53,058 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:06:53,059 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:06:53,059 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:06:53,060 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:06:53,060 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:06:53,061 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:06:53,062 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:06:53,062 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:06:53,062 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_9b7f4f2a-5198-4bf9-9ef6-523d7c5fb797/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f4f2a-5198-4bf9-9ef6-523d7c5fb797/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67d7a7169c3a651986674642d9c97cbbd9936901b5f185205eb535897337bc6e [2023-11-24 23:06:53,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:06:53,395 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:06:53,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:06:53,399 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:06:53,400 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:06:53,401 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f4f2a-5198-4bf9-9ef6-523d7c5fb797/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-32.i [2023-11-24 23:06:56,676 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:06:56,884 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:06:56,885 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f4f2a-5198-4bf9-9ef6-523d7c5fb797/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-32.i [2023-11-24 23:06:56,899 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f4f2a-5198-4bf9-9ef6-523d7c5fb797/bin/ukojak-verify-afCqCEvfdi/data/38585b03b/8a1cd315daf241b59619905907839945/FLAG9f65c13f7 [2023-11-24 23:06:56,925 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f4f2a-5198-4bf9-9ef6-523d7c5fb797/bin/ukojak-verify-afCqCEvfdi/data/38585b03b/8a1cd315daf241b59619905907839945 [2023-11-24 23:06:56,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:06:56,935 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:06:56,941 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:06:56,941 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:06:56,947 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:06:56,950 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:06:56" (1/1) ... [2023-11-24 23:06:56,952 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19af1735 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:56, skipping insertion in model container [2023-11-24 23:06:56,953 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:06:56" (1/1) ... [2023-11-24 23:06:56,984 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:06:57,140 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_9b7f4f2a-5198-4bf9-9ef6-523d7c5fb797/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-32.i[915,928] [2023-11-24 23:06:57,183 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:06:57,196 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:06:57,208 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_9b7f4f2a-5198-4bf9-9ef6-523d7c5fb797/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-32.i[915,928] [2023-11-24 23:06:57,223 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:06:57,242 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:06:57,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:57 WrapperNode [2023-11-24 23:06:57,243 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:06:57,244 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:06:57,244 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:06:57,245 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:06:57,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:57" (1/1) ... [2023-11-24 23:06:57,261 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:57" (1/1) ... [2023-11-24 23:06:57,293 INFO L138 Inliner]: procedures = 26, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 67 [2023-11-24 23:06:57,293 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:06:57,294 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:06:57,294 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:06:57,295 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:06:57,305 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:57" (1/1) ... [2023-11-24 23:06:57,306 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:57" (1/1) ... [2023-11-24 23:06:57,310 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:57" (1/1) ... [2023-11-24 23:06:57,310 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:57" (1/1) ... [2023-11-24 23:06:57,317 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:57" (1/1) ... [2023-11-24 23:06:57,320 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:57" (1/1) ... [2023-11-24 23:06:57,322 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:57" (1/1) ... [2023-11-24 23:06:57,324 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:57" (1/1) ... [2023-11-24 23:06:57,328 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:06:57,329 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:06:57,329 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:06:57,330 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:06:57,331 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:57" (1/1) ... [2023-11-24 23:06:57,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:06:57,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f4f2a-5198-4bf9-9ef6-523d7c5fb797/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:06:57,391 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f4f2a-5198-4bf9-9ef6-523d7c5fb797/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:06:57,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f4f2a-5198-4bf9-9ef6-523d7c5fb797/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:06:57,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:06:57,425 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:06:57,425 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:06:57,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:06:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:06:57,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:06:57,499 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:06:57,502 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:06:57,731 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:06:57,886 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:06:57,886 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:06:57,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:06:57 BoogieIcfgContainer [2023-11-24 23:06:57,888 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:06:57,889 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:06:57,889 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:06:57,901 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:06:57,902 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:06:57" (1/1) ... [2023-11-24 23:06:57,912 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:06:57,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:57,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2023-11-24 23:06:57,977 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2023-11-24 23:06:57,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:06:57,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:57,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:06:58,259 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:06:58,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:06:58,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:06:58,487 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:06:58,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:06:58,549 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:06:58,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:06:58 ImpRootNode [2023-11-24 23:06:58,614 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:06:58,615 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:06:58,615 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:06:58,615 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:06:58,616 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:06:57" (3/4) ... [2023-11-24 23:06:58,619 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:06:58,620 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:06:58,622 INFO L158 Benchmark]: Toolchain (without parser) took 1686.34ms. Allocated memory was 142.6MB in the beginning and 182.5MB in the end (delta: 39.8MB). Free memory was 96.6MB in the beginning and 130.0MB in the end (delta: -33.4MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2023-11-24 23:06:58,622 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 94.4MB. Free memory is still 43.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:06:58,623 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.34ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 85.0MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:06:58,624 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.39ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 82.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:06:58,624 INFO L158 Benchmark]: Boogie Preprocessor took 34.20ms. Allocated memory is still 142.6MB. Free memory was 82.9MB in the beginning and 81.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:06:58,625 INFO L158 Benchmark]: RCFGBuilder took 559.14ms. Allocated memory was 142.6MB in the beginning and 182.5MB in the end (delta: 39.8MB). Free memory was 81.5MB in the beginning and 153.9MB in the end (delta: -72.3MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2023-11-24 23:06:58,626 INFO L158 Benchmark]: CodeCheck took 724.87ms. Allocated memory is still 182.5MB. Free memory was 153.9MB in the beginning and 131.1MB in the end (delta: 22.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-24 23:06:58,627 INFO L158 Benchmark]: Witness Printer took 5.49ms. Allocated memory is still 182.5MB. Free memory was 131.1MB in the beginning and 130.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:06:58,631 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: 0.6s, 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, 0.1s 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 short int var_1_1 = 4; [L23] unsigned char var_1_2 = 1; [L24] signed short int var_1_5 = -32475; [L25] float var_1_7 = 7.2; [L26] float var_1_8 = 500.4; [L27] unsigned char var_1_9 = 10; [L28] unsigned char var_1_10 = 16; [L29] unsigned short int var_1_11 = 4; [L60] isInitial = 1 [L61] FCALL initially() [L62] COND TRUE 1 [L63] FCALL updateLastVariables() [L64] CALL updateVariables() [L41] var_1_2 = __VERIFIER_nondet_uchar() [L42] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_5=-32475, var_1_7=36/5, var_1_8=2502/5, var_1_9=10] [L20] COND FALSE !(!cond) [L42] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_5=-32475, var_1_7=36/5, var_1_8=2502/5, var_1_9=10] [L43] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-32475, var_1_7=36/5, var_1_8=2502/5, var_1_9=10] [L20] COND FALSE !(!cond) [L43] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-32475, var_1_7=36/5, var_1_8=2502/5, var_1_9=10] [L44] var_1_5 = __VERIFIER_nondet_short() [L45] CALL assume_abort_if_not(var_1_5 >= -32766) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=36/5, var_1_8=2502/5, var_1_9=10] [L20] COND FALSE !(!cond) [L45] RET assume_abort_if_not(var_1_5 >= -32766) VAL [isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=36/5, var_1_8=2502/5, var_1_9=10] [L46] CALL assume_abort_if_not(var_1_5 <= -16383) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=36/5, var_1_8=2502/5, var_1_9=10] [L20] COND FALSE !(!cond) [L46] RET assume_abort_if_not(var_1_5 <= -16383) VAL [isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=36/5, var_1_8=2502/5, var_1_9=10] [L47] var_1_8 = __VERIFIER_nondet_float() [L48] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=36/5, var_1_9=10] [L20] COND FALSE !(!cond) [L48] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=36/5, var_1_9=10] [L49] var_1_10 = __VERIFIER_nondet_uchar() [L50] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=36/5, var_1_9=10] [L20] COND FALSE !(!cond) [L50] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=36/5, var_1_9=10] [L51] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=36/5, var_1_9=10] [L20] COND FALSE !(!cond) [L51] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=36/5, var_1_9=10] [L64] RET updateVariables() [L65] CALL step() [L33] var_1_7 = var_1_8 [L34] var_1_9 = var_1_10 [L35] COND FALSE !(\read(var_1_2)) [L38] var_1_11 = var_1_1 [L65] RET step() [L66] CALL, EXPR property() [L56-L57] return (((var_1_2 ? (var_1_1 == ((signed short int) ((((((var_1_9 + 16)) > (var_1_9)) ? ((var_1_9 + 16)) : (var_1_9))) - (((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) - var_1_9)))) : 1) && (var_1_7 == ((float) var_1_8))) && (var_1_9 == ((unsigned char) var_1_10))) && (var_1_11 == ((unsigned short int) var_1_1)) ; [L66] RET, EXPR property() [L66] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=2, var_1_8=2, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=2, var_1_8=2, var_1_9=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 94.4MB. Free memory is still 43.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.34ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 85.0MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.39ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 82.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.20ms. Allocated memory is still 142.6MB. Free memory was 82.9MB in the beginning and 81.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 559.14ms. Allocated memory was 142.6MB in the beginning and 182.5MB in the end (delta: 39.8MB). Free memory was 81.5MB in the beginning and 153.9MB in the end (delta: -72.3MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * CodeCheck took 724.87ms. Allocated memory is still 182.5MB. Free memory was 153.9MB in the beginning and 131.1MB in the end (delta: 22.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 5.49ms. Allocated memory is still 182.5MB. Free memory was 131.1MB in the beginning and 130.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:06:58,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f4f2a-5198-4bf9-9ef6-523d7c5fb797/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f4f2a-5198-4bf9-9ef6-523d7c5fb797/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f4f2a-5198-4bf9-9ef6-523d7c5fb797/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f4f2a-5198-4bf9-9ef6-523d7c5fb797/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f4f2a-5198-4bf9-9ef6-523d7c5fb797/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-32.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f4f2a-5198-4bf9-9ef6-523d7c5fb797/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f4f2a-5198-4bf9-9ef6-523d7c5fb797/bin/ukojak-verify-afCqCEvfdi --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 67d7a7169c3a651986674642d9c97cbbd9936901b5f185205eb535897337bc6e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:07:01,424 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:07:01,551 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f4f2a-5198-4bf9-9ef6-523d7c5fb797/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 23:07:01,603 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:07:01,604 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:07:01,605 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:07:01,606 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:07:01,606 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:07:01,607 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:07:01,608 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:07:01,609 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:07:01,609 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:07:01,610 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:07:01,611 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:07:01,611 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:07:01,612 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:07:01,613 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:07:01,613 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:07:01,614 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:07:01,614 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:07:01,615 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:07:01,615 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:07:01,616 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:07:01,617 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:07:01,617 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:07:01,617 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:07:01,618 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:07:01,619 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:07:01,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:07:01,620 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:07:01,620 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:07:01,621 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:07:01,621 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:07:01,621 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:07:01,622 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:07:01,622 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:07:01,622 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:07:01,623 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_9b7f4f2a-5198-4bf9-9ef6-523d7c5fb797/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f4f2a-5198-4bf9-9ef6-523d7c5fb797/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67d7a7169c3a651986674642d9c97cbbd9936901b5f185205eb535897337bc6e [2023-11-24 23:07:02,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:07:02,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:07:02,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:07:02,102 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:07:02,103 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:07:02,104 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f4f2a-5198-4bf9-9ef6-523d7c5fb797/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-32.i [2023-11-24 23:07:05,305 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:07:05,619 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:07:05,619 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f4f2a-5198-4bf9-9ef6-523d7c5fb797/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-32.i [2023-11-24 23:07:05,631 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f4f2a-5198-4bf9-9ef6-523d7c5fb797/bin/ukojak-verify-afCqCEvfdi/data/94956a88b/8ef23cea009a4edb8498f66901a39b01/FLAGe4725ccee [2023-11-24 23:07:05,658 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f4f2a-5198-4bf9-9ef6-523d7c5fb797/bin/ukojak-verify-afCqCEvfdi/data/94956a88b/8ef23cea009a4edb8498f66901a39b01 [2023-11-24 23:07:05,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:07:05,667 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:07:05,672 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:07:05,672 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:07:05,677 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:07:05,678 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:07:05" (1/1) ... [2023-11-24 23:07:05,679 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@644d1866 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:05, skipping insertion in model container [2023-11-24 23:07:05,679 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:07:05" (1/1) ... [2023-11-24 23:07:05,709 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:07:05,918 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_9b7f4f2a-5198-4bf9-9ef6-523d7c5fb797/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-32.i[915,928] [2023-11-24 23:07:05,968 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:07:05,991 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:07:06,011 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_9b7f4f2a-5198-4bf9-9ef6-523d7c5fb797/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-32.i[915,928] [2023-11-24 23:07:06,037 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:07:06,058 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:07:06,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:06 WrapperNode [2023-11-24 23:07:06,058 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:07:06,060 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:07:06,060 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:07:06,060 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:07:06,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:06" (1/1) ... [2023-11-24 23:07:06,094 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:06" (1/1) ... [2023-11-24 23:07:06,132 INFO L138 Inliner]: procedures = 27, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 66 [2023-11-24 23:07:06,133 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:07:06,134 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:07:06,134 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:07:06,134 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:07:06,144 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:06" (1/1) ... [2023-11-24 23:07:06,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:06" (1/1) ... [2023-11-24 23:07:06,155 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:06" (1/1) ... [2023-11-24 23:07:06,155 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:06" (1/1) ... [2023-11-24 23:07:06,176 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:06" (1/1) ... [2023-11-24 23:07:06,182 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:06" (1/1) ... [2023-11-24 23:07:06,191 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:06" (1/1) ... [2023-11-24 23:07:06,193 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:06" (1/1) ... [2023-11-24 23:07:06,197 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:07:06,198 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:07:06,198 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:07:06,198 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:07:06,199 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:06" (1/1) ... [2023-11-24 23:07:06,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:07:06,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f4f2a-5198-4bf9-9ef6-523d7c5fb797/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:07:06,237 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f4f2a-5198-4bf9-9ef6-523d7c5fb797/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:07:06,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f4f2a-5198-4bf9-9ef6-523d7c5fb797/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:07:06,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:07:06,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:07:06,276 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:07:06,277 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:07:06,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:07:06,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:07:06,360 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:07:06,362 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:07:06,529 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:07:06,700 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:07:06,700 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:07:06,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:06 BoogieIcfgContainer [2023-11-24 23:07:06,702 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:07:06,703 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:07:06,703 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:07:06,715 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:07:06,715 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:06" (1/1) ... [2023-11-24 23:07:06,724 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:07:06,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:06,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2023-11-24 23:07:06,785 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2023-11-24 23:07:06,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:07:06,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:06,793 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:07:06,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f4f2a-5198-4bf9-9ef6-523d7c5fb797/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:07:06,795 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f4f2a-5198-4bf9-9ef6-523d7c5fb797/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:07:06,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f4f2a-5198-4bf9-9ef6-523d7c5fb797/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:07:07,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:07,209 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:07:07,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:07,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 23:07:07,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:07:24,353 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 19 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-24 23:07:24,357 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f4f2a-5198-4bf9-9ef6-523d7c5fb797/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:07:24,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f4f2a-5198-4bf9-9ef6-523d7c5fb797/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:07:24,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:24,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 17 states and 23 transitions. [2023-11-24 23:07:24,867 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2023-11-24 23:07:24,868 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:07:24,868 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2023-11-24 23:07:24,877 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-24 23:07:24,999 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:07:25,002 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:07:25,002 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:07:25,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:07:25 ImpRootNode [2023-11-24 23:07:25,003 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:07:25,004 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:07:25,004 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:07:25,004 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:07:25,005 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:06" (3/4) ... [2023-11-24 23:07:25,007 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:07:25,011 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-24 23:07:25,020 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-24 23:07:25,020 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-24 23:07:25,021 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 23:07:25,021 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:07:25,154 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f4f2a-5198-4bf9-9ef6-523d7c5fb797/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:07:25,155 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f4f2a-5198-4bf9-9ef6-523d7c5fb797/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 23:07:25,155 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:07:25,157 INFO L158 Benchmark]: Toolchain (without parser) took 19488.91ms. Allocated memory was 79.7MB in the beginning and 524.3MB in the end (delta: 444.6MB). Free memory was 56.0MB in the beginning and 400.5MB in the end (delta: -344.6MB). Peak memory consumption was 100.8MB. Max. memory is 16.1GB. [2023-11-24 23:07:25,157 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 79.7MB. Free memory was 55.4MB in the beginning and 55.2MB in the end (delta: 141.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:07:25,158 INFO L158 Benchmark]: CACSL2BoogieTranslator took 387.08ms. Allocated memory is still 79.7MB. Free memory was 55.7MB in the beginning and 43.8MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:07:25,158 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.71ms. Allocated memory is still 79.7MB. Free memory was 43.8MB in the beginning and 42.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:07:25,159 INFO L158 Benchmark]: Boogie Preprocessor took 63.05ms. Allocated memory is still 79.7MB. Free memory was 42.0MB in the beginning and 40.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:07:25,159 INFO L158 Benchmark]: RCFGBuilder took 504.59ms. Allocated memory is still 79.7MB. Free memory was 40.5MB in the beginning and 52.6MB in the end (delta: -12.1MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2023-11-24 23:07:25,160 INFO L158 Benchmark]: CodeCheck took 18299.63ms. Allocated memory was 79.7MB in the beginning and 524.3MB in the end (delta: 444.6MB). Free memory was 52.4MB in the beginning and 405.7MB in the end (delta: -353.3MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. [2023-11-24 23:07:25,160 INFO L158 Benchmark]: Witness Printer took 151.45ms. Allocated memory is still 524.3MB. Free memory was 405.7MB in the beginning and 400.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:07:25,162 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: 18.1s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 50 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39 IncrementalHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 18 mSDtfsCounter, 39 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 196 GetRequests, 190 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, 17.1s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 28 ConstructedInterpolants, 8 QuantifiedInterpolants, 244 SizeOfPredicates, 14 NumberOfNonLiveVariables, 78 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 35/42 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: 1 - 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 0.26ms. Allocated memory is still 79.7MB. Free memory was 55.4MB in the beginning and 55.2MB in the end (delta: 141.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 387.08ms. Allocated memory is still 79.7MB. Free memory was 55.7MB in the beginning and 43.8MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.71ms. Allocated memory is still 79.7MB. Free memory was 43.8MB in the beginning and 42.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 63.05ms. Allocated memory is still 79.7MB. Free memory was 42.0MB in the beginning and 40.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 504.59ms. Allocated memory is still 79.7MB. Free memory was 40.5MB in the beginning and 52.6MB in the end (delta: -12.1MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * CodeCheck took 18299.63ms. Allocated memory was 79.7MB in the beginning and 524.3MB in the end (delta: 444.6MB). Free memory was 52.4MB in the beginning and 405.7MB in the end (delta: -353.3MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. * Witness Printer took 151.45ms. Allocated memory is still 524.3MB. Free memory was 405.7MB in the beginning and 400.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 23:07:25,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f4f2a-5198-4bf9-9ef6-523d7c5fb797/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE