./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-70.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_50372597-4515-4f93-a815-50b18654cb2a/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50372597-4515-4f93-a815-50b18654cb2a/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_50372597-4515-4f93-a815-50b18654cb2a/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50372597-4515-4f93-a815-50b18654cb2a/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-70.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50372597-4515-4f93-a815-50b18654cb2a/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_50372597-4515-4f93-a815-50b18654cb2a/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 6cc35d6f5b3d5004e97f7480a41f6aacae9190a53086f4ffe9263637987416cc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:07:06,258 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:07:06,322 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50372597-4515-4f93-a815-50b18654cb2a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:07:06,327 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:07:06,328 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:07:06,351 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:07:06,353 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:07:06,353 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:07:06,354 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:07:06,355 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:07:06,355 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:07:06,356 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:07:06,357 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:07:06,357 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:07:06,358 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:07:06,359 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:07:06,359 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:07:06,360 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:07:06,361 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:07:06,361 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:07:06,362 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:07:06,372 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:07:06,373 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:07:06,374 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:07:06,374 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:07:06,374 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:07:06,375 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:07:06,375 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:07:06,376 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:07:06,376 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:07:06,377 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:07:06,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:07:06,378 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:07:06,378 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_50372597-4515-4f93-a815-50b18654cb2a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50372597-4515-4f93-a815-50b18654cb2a/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6cc35d6f5b3d5004e97f7480a41f6aacae9190a53086f4ffe9263637987416cc [2023-11-24 23:07:06,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:07:06,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:07:06,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:07:06,752 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:07:06,753 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:07:06,755 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50372597-4515-4f93-a815-50b18654cb2a/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-70.i [2023-11-24 23:07:09,803 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:07:10,117 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:07:10,117 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50372597-4515-4f93-a815-50b18654cb2a/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-70.i [2023-11-24 23:07:10,127 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50372597-4515-4f93-a815-50b18654cb2a/bin/ukojak-verify-afCqCEvfdi/data/dc3366bd0/400df36314d64f7380010d8621650fd8/FLAG46c805b62 [2023-11-24 23:07:10,148 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50372597-4515-4f93-a815-50b18654cb2a/bin/ukojak-verify-afCqCEvfdi/data/dc3366bd0/400df36314d64f7380010d8621650fd8 [2023-11-24 23:07:10,156 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:07:10,159 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:07:10,161 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:07:10,162 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:07:10,167 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:07:10,168 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:07:10" (1/1) ... [2023-11-24 23:07:10,170 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68bd5205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:10, skipping insertion in model container [2023-11-24 23:07:10,170 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:07:10" (1/1) ... [2023-11-24 23:07:10,196 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:07:10,339 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_50372597-4515-4f93-a815-50b18654cb2a/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-70.i[916,929] [2023-11-24 23:07:10,384 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:07:10,397 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:07:10,410 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_50372597-4515-4f93-a815-50b18654cb2a/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-70.i[916,929] [2023-11-24 23:07:10,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:07:10,454 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:07:10,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:10 WrapperNode [2023-11-24 23:07:10,454 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:07:10,455 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:07:10,456 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:07:10,456 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:07:10,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:10" (1/1) ... [2023-11-24 23:07:10,473 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:10" (1/1) ... [2023-11-24 23:07:10,518 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 138 [2023-11-24 23:07:10,518 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:07:10,519 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:07:10,519 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:07:10,520 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:07:10,533 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:10" (1/1) ... [2023-11-24 23:07:10,533 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:10" (1/1) ... [2023-11-24 23:07:10,537 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:10" (1/1) ... [2023-11-24 23:07:10,537 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:10" (1/1) ... [2023-11-24 23:07:10,546 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:10" (1/1) ... [2023-11-24 23:07:10,550 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:10" (1/1) ... [2023-11-24 23:07:10,553 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:10" (1/1) ... [2023-11-24 23:07:10,555 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:10" (1/1) ... [2023-11-24 23:07:10,560 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:07:10,561 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:07:10,561 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:07:10,561 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:07:10,562 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:10" (1/1) ... [2023-11-24 23:07:10,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:07:10,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50372597-4515-4f93-a815-50b18654cb2a/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:07:10,629 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50372597-4515-4f93-a815-50b18654cb2a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:07:10,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50372597-4515-4f93-a815-50b18654cb2a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:07:10,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:07:10,669 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:07:10,669 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:07:10,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:07:10,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:07:10,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:07:10,754 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:07:10,764 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:07:11,146 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:07:11,428 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:07:11,428 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:07:11,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:11 BoogieIcfgContainer [2023-11-24 23:07:11,430 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:07:11,431 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:07:11,431 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:07:11,442 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:07:11,442 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:11" (1/1) ... [2023-11-24 23:07:11,452 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:07:11,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:11,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 49 transitions. [2023-11-24 23:07:11,506 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2023-11-24 23:07:11,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-24 23:07:11,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:11,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:07:11,935 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:07:12,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:07:12,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:07:12,300 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:07:12,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:07:12,424 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:07:12,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:07:12 ImpRootNode [2023-11-24 23:07:12,538 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:07:12,542 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:07:12,542 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:07:12,542 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:07:12,544 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:11" (3/4) ... [2023-11-24 23:07:12,546 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:07:12,548 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:07:12,549 INFO L158 Benchmark]: Toolchain (without parser) took 2389.69ms. Allocated memory is still 136.3MB. Free memory was 106.2MB in the beginning and 57.9MB in the end (delta: 48.3MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2023-11-24 23:07:12,551 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 136.3MB. Free memory is still 110.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:07:12,551 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.55ms. Allocated memory is still 136.3MB. Free memory was 105.8MB in the beginning and 93.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:07:12,553 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.05ms. Allocated memory is still 136.3MB. Free memory was 93.2MB in the beginning and 90.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:07:12,554 INFO L158 Benchmark]: Boogie Preprocessor took 41.23ms. Allocated memory is still 136.3MB. Free memory was 90.4MB in the beginning and 88.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:07:12,555 INFO L158 Benchmark]: RCFGBuilder took 869.21ms. Allocated memory is still 136.3MB. Free memory was 88.7MB in the beginning and 101.9MB in the end (delta: -13.2MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-24 23:07:12,556 INFO L158 Benchmark]: CodeCheck took 1107.43ms. Allocated memory is still 136.3MB. Free memory was 101.9MB in the beginning and 57.9MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-24 23:07:12,557 INFO L158 Benchmark]: Witness Printer took 6.08ms. Allocated memory is still 136.3MB. Free memory was 57.9MB in the beginning and 57.9MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:07:12,567 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, 33 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, 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, 60 NumberOfCodeBlocks, 60 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 shiftLeft at line 48. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 0; [L23] unsigned char var_1_2 = 0; [L24] unsigned short int var_1_4 = 19138; [L25] signed char var_1_6 = 25; [L26] signed long int var_1_7 = -50; [L27] signed long int var_1_8 = 8; [L28] signed long int var_1_9 = 255; [L29] signed long int var_1_10 = 10000000; [L30] signed long int var_1_11 = 0; [L31] signed long int var_1_12 = 255; [L32] unsigned char var_1_13 = 50; [L33] unsigned char var_1_14 = 2; [L34] signed char var_1_15 = 1; [L35] signed char var_1_16 = 5; [L93] isInitial = 1 [L94] FCALL initially() [L95] COND TRUE 1 [L96] FCALL updateLastVariables() [L97] CALL updateVariables() [L61] var_1_2 = __VERIFIER_nondet_uchar() [L62] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=10000000, var_1_11=0, var_1_12=255, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_4=19138, var_1_6=25, var_1_7=-50, var_1_8=8, var_1_9=255] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=10000000, var_1_11=0, var_1_12=255, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_4=19138, var_1_6=25, var_1_7=-50, var_1_8=8, var_1_9=255] [L63] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=10000000, var_1_11=0, var_1_12=255, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=19138, var_1_6=25, var_1_7=-50, var_1_8=8, var_1_9=255] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=10000000, var_1_11=0, var_1_12=255, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=19138, var_1_6=25, var_1_7=-50, var_1_8=8, var_1_9=255] [L64] var_1_4 = __VERIFIER_nondet_ushort() [L65] CALL assume_abort_if_not(var_1_4 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=10000000, var_1_11=0, var_1_12=255, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=8, var_1_9=255] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_4 >= 16383) VAL [isInitial=1, var_1_10=10000000, var_1_11=0, var_1_12=255, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=8, var_1_9=255] [L66] CALL assume_abort_if_not(var_1_4 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=10000000, var_1_11=0, var_1_12=255, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=8, var_1_9=255] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_4 <= 32767) VAL [isInitial=1, var_1_10=10000000, var_1_11=0, var_1_12=255, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=8, var_1_9=255] [L67] var_1_9 = __VERIFIER_nondet_long() [L68] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=10000000, var_1_11=0, var_1_12=255, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=8, var_1_9=0] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=10000000, var_1_11=0, var_1_12=255, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=8, var_1_9=0] [L69] CALL assume_abort_if_not(var_1_9 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=10000000, var_1_11=0, var_1_12=255, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=8, var_1_9=0] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_9 <= 2147483647) VAL [isInitial=1, var_1_10=10000000, var_1_11=0, var_1_12=255, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=8, var_1_9=0] [L70] var_1_10 = __VERIFIER_nondet_long() [L71] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=255, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=8, var_1_9=0] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=255, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=8, var_1_9=0] [L72] CALL assume_abort_if_not(var_1_10 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=255, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=8, var_1_9=0] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_10 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=255, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=8, var_1_9=0] [L73] var_1_11 = __VERIFIER_nondet_long() [L74] CALL assume_abort_if_not(var_1_11 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=255, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=8, var_1_9=0] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_11 >= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=255, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=8, var_1_9=0] [L75] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=255, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=8, var_1_9=0] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=255, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=8, var_1_9=0] [L76] var_1_12 = __VERIFIER_nondet_long() [L77] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=2147483647, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=8, var_1_9=0] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=2147483647, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=8, var_1_9=0] [L78] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=2147483647, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=8, var_1_9=0] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=2147483647, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=8, var_1_9=0] [L79] var_1_14 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=2147483647, var_1_13=50, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=8, var_1_9=0] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=2147483647, var_1_13=50, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=8, var_1_9=0] [L81] CALL assume_abort_if_not(var_1_14 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=2147483647, var_1_13=50, var_1_14=254, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=8, var_1_9=0] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_14 <= 254) VAL [isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=2147483647, var_1_13=50, var_1_14=254, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=8, var_1_9=0] [L82] var_1_16 = __VERIFIER_nondet_char() [L83] CALL assume_abort_if_not(var_1_16 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=2147483647, var_1_13=50, var_1_14=254, var_1_15=1, var_1_16=126, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=8, var_1_9=0] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_16 >= -127) VAL [isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=2147483647, var_1_13=50, var_1_14=254, var_1_15=1, var_1_16=126, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=8, var_1_9=0] [L84] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=2147483647, var_1_13=50, var_1_14=254, var_1_15=1, var_1_16=126, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=8, var_1_9=0] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=2147483647, var_1_13=50, var_1_14=254, var_1_15=1, var_1_16=126, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=8, var_1_9=0] [L97] RET updateVariables() [L98] CALL step() [L39] var_1_13 = var_1_14 [L40] var_1_15 = var_1_16 [L41] COND TRUE \read(var_1_2) [L42] var_1_1 = ((17222 - var_1_13) + (((((29916) < (var_1_4)) ? (29916) : (var_1_4))) - var_1_13)) [L44] COND FALSE !(var_1_2 && (var_1_4 >= (var_1_13 + var_1_1))) [L47] unsigned short int stepLocal_0 = var_1_4; [L48] EXPR var_1_13 << var_1_13 [L48] EXPR ((var_1_13) > ((var_1_13 << var_1_13))) ? (var_1_13) : ((var_1_13 << var_1_13)) [L48] EXPR var_1_13 << var_1_13 [L48] EXPR ((var_1_13) > ((var_1_13 << var_1_13))) ? (var_1_13) : ((var_1_13 << var_1_13)) [L48] COND TRUE stepLocal_0 <= ((((var_1_13) > ((var_1_13 << var_1_13))) ? (var_1_13) : ((var_1_13 << var_1_13)))) [L49] var_1_7 = (((((var_1_13 - var_1_13)) < (var_1_4)) ? ((var_1_13 - var_1_13)) : (var_1_4))) [L53] unsigned char stepLocal_1 = var_1_13; [L54] COND FALSE !(var_1_13 < stepLocal_1) [L57] var_1_8 = ((var_1_11 - var_1_12) - var_1_9) [L98] RET step() [L99] CALL, EXPR property() [L89] EXPR ((var_1_2 ? (var_1_1 == ((unsigned short int) ((17222 - var_1_13) + (((((29916) < (var_1_4)) ? (29916) : (var_1_4))) - var_1_13)))) : 1) && ((var_1_2 && (var_1_4 >= (var_1_13 + var_1_1))) ? (var_1_6 == ((signed char) 8)) : 1)) && ((var_1_4 <= ((((var_1_13) > ((var_1_13 << var_1_13))) ? (var_1_13) : ((var_1_13 << var_1_13))))) ? (var_1_7 == ((signed long int) (((((var_1_13 - var_1_13)) < (var_1_4)) ? ((var_1_13 - var_1_13)) : (var_1_4))))) : (var_1_7 == ((signed long int) (var_1_13 + (var_1_1 + var_1_4))))) [L89] EXPR var_1_13 << var_1_13 [L89] EXPR ((var_1_13) > ((var_1_13 << var_1_13))) ? (var_1_13) : ((var_1_13 << var_1_13)) [L89] EXPR var_1_13 << var_1_13 [L89] EXPR ((var_1_13) > ((var_1_13 << var_1_13))) ? (var_1_13) : ((var_1_13 << var_1_13)) [L89] EXPR ((var_1_2 ? (var_1_1 == ((unsigned short int) ((17222 - var_1_13) + (((((29916) < (var_1_4)) ? (29916) : (var_1_4))) - var_1_13)))) : 1) && ((var_1_2 && (var_1_4 >= (var_1_13 + var_1_1))) ? (var_1_6 == ((signed char) 8)) : 1)) && ((var_1_4 <= ((((var_1_13) > ((var_1_13 << var_1_13))) ? (var_1_13) : ((var_1_13 << var_1_13))))) ? (var_1_7 == ((signed long int) (((((var_1_13 - var_1_13)) < (var_1_4)) ? ((var_1_13 - var_1_13)) : (var_1_4))))) : (var_1_7 == ((signed long int) (var_1_13 + (var_1_1 + var_1_4))))) [L89-L90] return (((((var_1_2 ? (var_1_1 == ((unsigned short int) ((17222 - var_1_13) + (((((29916) < (var_1_4)) ? (29916) : (var_1_4))) - var_1_13)))) : 1) && ((var_1_2 && (var_1_4 >= (var_1_13 + var_1_1))) ? (var_1_6 == ((signed char) 8)) : 1)) && ((var_1_4 <= ((((var_1_13) > ((var_1_13 << var_1_13))) ? (var_1_13) : ((var_1_13 << var_1_13))))) ? (var_1_7 == ((signed long int) (((((var_1_13 - var_1_13)) < (var_1_4)) ? ((var_1_13 - var_1_13)) : (var_1_4))))) : (var_1_7 == ((signed long int) (var_1_13 + (var_1_1 + var_1_4)))))) && ((var_1_13 < var_1_13) ? (var_1_8 == ((signed long int) (var_1_9 - var_1_10))) : (var_1_8 == ((signed long int) ((var_1_11 - var_1_12) - var_1_9))))) && (var_1_13 == ((unsigned char) var_1_14))) && (var_1_15 == ((signed char) var_1_16)) ; [L99] RET, EXPR property() [L99] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=2147483647, var_1_13=254, var_1_14=254, var_1_15=126, var_1_16=126, var_1_1=33097, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=0, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=2147483647, var_1_12=2147483647, var_1_13=254, var_1_14=254, var_1_15=126, var_1_16=126, var_1_1=33097, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=0, var_1_8=0, var_1_9=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 136.3MB. Free memory is still 110.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.55ms. Allocated memory is still 136.3MB. Free memory was 105.8MB in the beginning and 93.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.05ms. Allocated memory is still 136.3MB. Free memory was 93.2MB in the beginning and 90.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.23ms. Allocated memory is still 136.3MB. Free memory was 90.4MB in the beginning and 88.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 869.21ms. Allocated memory is still 136.3MB. Free memory was 88.7MB in the beginning and 101.9MB in the end (delta: -13.2MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * CodeCheck took 1107.43ms. Allocated memory is still 136.3MB. Free memory was 101.9MB in the beginning and 57.9MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 6.08ms. Allocated memory is still 136.3MB. Free memory was 57.9MB in the beginning and 57.9MB in the end (delta: 2.7kB). 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 23:07:12,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50372597-4515-4f93-a815-50b18654cb2a/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50372597-4515-4f93-a815-50b18654cb2a/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50372597-4515-4f93-a815-50b18654cb2a/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_50372597-4515-4f93-a815-50b18654cb2a/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50372597-4515-4f93-a815-50b18654cb2a/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-70.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50372597-4515-4f93-a815-50b18654cb2a/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_50372597-4515-4f93-a815-50b18654cb2a/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 6cc35d6f5b3d5004e97f7480a41f6aacae9190a53086f4ffe9263637987416cc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:07:15,354 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:07:15,492 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50372597-4515-4f93-a815-50b18654cb2a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 23:07:15,546 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:07:15,548 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:07:15,549 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:07:15,550 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:07:15,551 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:07:15,552 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:07:15,557 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:07:15,558 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:07:15,558 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:07:15,559 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:07:15,561 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:07:15,561 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:07:15,562 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:07:15,563 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:07:15,563 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:07:15,564 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:07:15,565 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:07:15,565 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:07:15,566 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:07:15,567 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:07:15,567 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:07:15,568 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:07:15,568 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:07:15,569 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:07:15,570 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:07:15,570 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:07:15,571 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:07:15,572 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:07:15,573 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:07:15,573 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:07:15,574 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:07:15,574 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:07:15,575 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:07:15,575 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:07:15,575 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_50372597-4515-4f93-a815-50b18654cb2a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50372597-4515-4f93-a815-50b18654cb2a/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6cc35d6f5b3d5004e97f7480a41f6aacae9190a53086f4ffe9263637987416cc [2023-11-24 23:07:16,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:07:16,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:07:16,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:07:16,063 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:07:16,064 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:07:16,065 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50372597-4515-4f93-a815-50b18654cb2a/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-70.i [2023-11-24 23:07:19,395 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:07:19,712 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:07:19,713 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50372597-4515-4f93-a815-50b18654cb2a/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-70.i [2023-11-24 23:07:19,724 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50372597-4515-4f93-a815-50b18654cb2a/bin/ukojak-verify-afCqCEvfdi/data/c179c13e8/0c0285b809c2428ba5c90b33457fdd58/FLAG94bb052d7 [2023-11-24 23:07:19,744 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50372597-4515-4f93-a815-50b18654cb2a/bin/ukojak-verify-afCqCEvfdi/data/c179c13e8/0c0285b809c2428ba5c90b33457fdd58 [2023-11-24 23:07:19,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:07:19,752 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:07:19,757 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:07:19,757 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:07:19,763 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:07:19,764 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:07:19" (1/1) ... [2023-11-24 23:07:19,766 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1672caf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:19, skipping insertion in model container [2023-11-24 23:07:19,766 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:07:19" (1/1) ... [2023-11-24 23:07:19,810 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:07:20,032 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_50372597-4515-4f93-a815-50b18654cb2a/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-70.i[916,929] [2023-11-24 23:07:20,104 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:07:20,134 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:07:20,156 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_50372597-4515-4f93-a815-50b18654cb2a/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-70.i[916,929] [2023-11-24 23:07:20,205 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:07:20,227 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:07:20,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:20 WrapperNode [2023-11-24 23:07:20,227 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:07:20,229 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:07:20,230 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:07:20,230 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:07:20,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:20" (1/1) ... [2023-11-24 23:07:20,262 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:20" (1/1) ... [2023-11-24 23:07:20,315 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 102 [2023-11-24 23:07:20,318 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:07:20,318 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:07:20,319 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:07:20,319 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:07:20,329 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:20" (1/1) ... [2023-11-24 23:07:20,329 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:20" (1/1) ... [2023-11-24 23:07:20,341 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:20" (1/1) ... [2023-11-24 23:07:20,341 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:20" (1/1) ... [2023-11-24 23:07:20,362 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:20" (1/1) ... [2023-11-24 23:07:20,374 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:20" (1/1) ... [2023-11-24 23:07:20,376 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:20" (1/1) ... [2023-11-24 23:07:20,378 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:20" (1/1) ... [2023-11-24 23:07:20,387 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:07:20,388 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:07:20,388 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:07:20,388 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:07:20,393 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:20" (1/1) ... [2023-11-24 23:07:20,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:07:20,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50372597-4515-4f93-a815-50b18654cb2a/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:07:20,438 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50372597-4515-4f93-a815-50b18654cb2a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:07:20,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50372597-4515-4f93-a815-50b18654cb2a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:07:20,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:07:20,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:07:20,485 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:07:20,486 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:07:20,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:07:20,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:07:20,609 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:07:20,611 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:07:20,872 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:07:21,061 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:07:21,062 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:07:21,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:21 BoogieIcfgContainer [2023-11-24 23:07:21,064 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:07:21,065 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:07:21,066 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:07:21,077 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:07:21,079 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:21" (1/1) ... [2023-11-24 23:07:21,091 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:07:21,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:21,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 49 transitions. [2023-11-24 23:07:21,171 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2023-11-24 23:07:21,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-24 23:07:21,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:21,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:07:21,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50372597-4515-4f93-a815-50b18654cb2a/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:07:21,186 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50372597-4515-4f93-a815-50b18654cb2a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:07:21,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50372597-4515-4f93-a815-50b18654cb2a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:07:21,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:21,427 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:07:21,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:21,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 23:07:21,520 INFO L285 TraceCheckSpWp]: Computing forward predicates...