./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-28.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5e1512-d9d5-478f-8b43-627eb6afb14e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5e1512-d9d5-478f-8b43-627eb6afb14e/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5e1512-d9d5-478f-8b43-627eb6afb14e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5e1512-d9d5-478f-8b43-627eb6afb14e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-28.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5e1512-d9d5-478f-8b43-627eb6afb14e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5e1512-d9d5-478f-8b43-627eb6afb14e/bin/ukojak-verify-CZk0znPC7b --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 e96454a975ce1a938377bc7f74cac4eca41d61506722199ed63b4e6ea50e6c11 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:41:36,720 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:41:36,787 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5e1512-d9d5-478f-8b43-627eb6afb14e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 21:41:36,792 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:41:36,792 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:41:36,815 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:41:36,817 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:41:36,817 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:41:36,817 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:41:36,817 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:41:36,818 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:41:36,818 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:41:36,818 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:41:36,818 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:41:36,818 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:41:36,818 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:41:36,818 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:41:36,819 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:41:36,819 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:41:36,819 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:41:36,819 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:41:36,819 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:41:36,819 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:41:36,819 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:41:36,819 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:41:36,819 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:41:36,819 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:41:36,820 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:41:36,820 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:41:36,820 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:41:36,820 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:41:36,820 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:41:36,820 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:41:36,820 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_6c5e1512-d9d5-478f-8b43-627eb6afb14e/bin/ukojak-verify-CZk0znPC7b 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 -> e96454a975ce1a938377bc7f74cac4eca41d61506722199ed63b4e6ea50e6c11 [2024-12-05 21:41:37,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:41:37,096 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:41:37,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:41:37,100 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:41:37,100 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:41:37,102 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5e1512-d9d5-478f-8b43-627eb6afb14e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-28.i [2024-12-05 21:41:39,791 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5e1512-d9d5-478f-8b43-627eb6afb14e/bin/ukojak-verify-CZk0znPC7b/data/fc1d9cb59/7ec0cb21e59a4a918a9febe8c2ae2a12/FLAGb4dd6229a [2024-12-05 21:41:39,964 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:41:39,965 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5e1512-d9d5-478f-8b43-627eb6afb14e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-28.i [2024-12-05 21:41:39,973 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5e1512-d9d5-478f-8b43-627eb6afb14e/bin/ukojak-verify-CZk0znPC7b/data/fc1d9cb59/7ec0cb21e59a4a918a9febe8c2ae2a12/FLAGb4dd6229a [2024-12-05 21:41:39,987 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5e1512-d9d5-478f-8b43-627eb6afb14e/bin/ukojak-verify-CZk0znPC7b/data/fc1d9cb59/7ec0cb21e59a4a918a9febe8c2ae2a12 [2024-12-05 21:41:39,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:41:39,991 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:41:39,992 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:41:39,992 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:41:39,996 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:41:39,997 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:41:39" (1/1) ... [2024-12-05 21:41:39,998 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@761084a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:39, skipping insertion in model container [2024-12-05 21:41:39,998 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:41:39" (1/1) ... [2024-12-05 21:41:40,012 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:41:40,136 WARN L250 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_6c5e1512-d9d5-478f-8b43-627eb6afb14e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-28.i[915,928] [2024-12-05 21:41:40,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:41:40,176 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:41:40,184 WARN L250 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_6c5e1512-d9d5-478f-8b43-627eb6afb14e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-28.i[915,928] [2024-12-05 21:41:40,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:41:40,210 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:41:40,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:40 WrapperNode [2024-12-05 21:41:40,210 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:41:40,211 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:41:40,211 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:41:40,211 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:41:40,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:40" (1/1) ... [2024-12-05 21:41:40,225 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:40" (1/1) ... [2024-12-05 21:41:40,243 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 138 [2024-12-05 21:41:40,244 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:41:40,244 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:41:40,244 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:41:40,244 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:41:40,249 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:40" (1/1) ... [2024-12-05 21:41:40,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:40" (1/1) ... [2024-12-05 21:41:40,251 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:40" (1/1) ... [2024-12-05 21:41:40,251 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:40" (1/1) ... [2024-12-05 21:41:40,254 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:40" (1/1) ... [2024-12-05 21:41:40,256 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:40" (1/1) ... [2024-12-05 21:41:40,259 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:40" (1/1) ... [2024-12-05 21:41:40,260 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:40" (1/1) ... [2024-12-05 21:41:40,261 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:40" (1/1) ... [2024-12-05 21:41:40,263 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:41:40,263 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:41:40,263 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:41:40,263 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:41:40,264 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:40" (1/1) ... [2024-12-05 21:41:40,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:41:40,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5e1512-d9d5-478f-8b43-627eb6afb14e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:41:40,287 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5e1512-d9d5-478f-8b43-627eb6afb14e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:41:40,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5e1512-d9d5-478f-8b43-627eb6afb14e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:41:40,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:41:40,310 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 21:41:40,310 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 21:41:40,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 21:41:40,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:41:40,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:41:40,367 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:41:40,368 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:41:40,557 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-12-05 21:41:40,557 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:41:40,675 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:41:40,676 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 21:41:40,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:41:40 BoogieIcfgContainer [2024-12-05 21:41:40,676 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:41:40,677 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:41:40,677 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:41:40,685 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:41:40,685 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:41:40" (1/1) ... [2024-12-05 21:41:40,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:41:40,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:40,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 35 states and 51 transitions. [2024-12-05 21:41:40,738 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 51 transitions. [2024-12-05 21:41:40,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-12-05 21:41:40,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:41:40,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:41:40,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:41:40,942 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:41:41,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:41:41,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:41:41,142 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:41:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:41:41,219 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 21:41:41,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:41:41 ImpRootNode [2024-12-05 21:41:41,266 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:41:41,267 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:41:41,267 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:41:41,267 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:41:41,268 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:41:40" (3/4) ... [2024-12-05 21:41:41,269 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 21:41:41,270 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:41:41,271 INFO L158 Benchmark]: Toolchain (without parser) took 1279.84ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 94.7MB in the end (delta: 21.3MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2024-12-05 21:41:41,271 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:41:41,271 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.51ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 103.3MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:41:41,272 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.49ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 101.6MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:41:41,272 INFO L158 Benchmark]: Boogie Preprocessor took 18.63ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 100.6MB in the end (delta: 993.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:41:41,272 INFO L158 Benchmark]: RCFGBuilder took 412.88ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 71.7MB in the end (delta: 28.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-05 21:41:41,273 INFO L158 Benchmark]: CodeCheck took 589.77ms. Allocated memory is still 142.6MB. Free memory was 71.5MB in the beginning and 94.8MB in the end (delta: -23.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:41:41,273 INFO L158 Benchmark]: Witness Printer took 3.02ms. Allocated memory is still 142.6MB. Free memory was 94.8MB in the beginning and 94.7MB in the end (delta: 15.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:41:41,274 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, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 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, ConComCheckerStatistics: 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 58, overapproximation of someBinaryFLOATComparisonOperation at line 60, overapproximation of someBinaryFLOATComparisonOperation at line 41, overapproximation of someBinaryFLOATComparisonOperation at line 71, overapproximation of someBinaryFLOATComparisonOperation at line 73, overapproximation of bitwiseOr at line 45. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 1; [L23] float var_1_2 = 63.75; [L24] float var_1_3 = 255.75; [L25] signed char var_1_5 = 10; [L26] signed char var_1_6 = 4; [L27] signed char var_1_7 = -10; [L28] float var_1_8 = 4.75; [L29] float var_1_9 = 99.5; [L30] float var_1_10 = 255.9; [L31] float var_1_11 = 24.85; [L32] signed long int var_1_12 = -2; [L33] signed long int var_1_13 = 1629954775; [L34] signed long int var_1_14 = 1; [L35] signed long int var_1_15 = 1928642731; [L91] isInitial = 1 [L92] FCALL initially() [L93] int k_loop; [L94] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_2=255/4, var_1_3=1023/4, var_1_5=10, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L94] COND TRUE k_loop < 1 [L95] FCALL updateLastVariables() [L96] CALL updateVariables() [L57] var_1_2 = __VERIFIER_nondet_float() [L58] CALL assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_3=1023/4, var_1_5=10, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) [L58] RET assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_3=1023/4, var_1_5=10, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L59] var_1_3 = __VERIFIER_nondet_float() [L60] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=10, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) [L60] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=10, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L61] var_1_5 = __VERIFIER_nondet_char() [L62] CALL assume_abort_if_not(var_1_5 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=5, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not(var_1_5 >= -1) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=5, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L63] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=5, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=5, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L64] var_1_6 = __VERIFIER_nondet_char() [L65] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=5, var_1_6=1, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=5, var_1_6=1, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L66] CALL assume_abort_if_not(var_1_6 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=5, var_1_6=1, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_6 <= 126) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=5, var_1_6=1, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L67] var_1_7 = __VERIFIER_nondet_char() [L68] CALL assume_abort_if_not(var_1_7 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=5, var_1_6=1, var_1_7=4, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_7 >= -127) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=5, var_1_6=1, var_1_7=4, var_1_8=19/4, var_1_9=199/2] [L69] CALL assume_abort_if_not(var_1_7 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=5, var_1_6=1, var_1_7=4, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_7 <= 126) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=5, var_1_6=1, var_1_7=4, var_1_8=19/4, var_1_9=199/2] [L70] var_1_9 = __VERIFIER_nondet_float() [L71] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=5, var_1_6=1, var_1_7=4, var_1_8=19/4] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=5, var_1_6=1, var_1_7=4, var_1_8=19/4] [L72] var_1_10 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=5, var_1_6=1, var_1_7=4, var_1_8=19/4] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=5, var_1_6=1, var_1_7=4, var_1_8=19/4] [L74] var_1_13 = __VERIFIER_nondet_long() [L75] CALL assume_abort_if_not(var_1_13 >= 1073741822) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=5, var_1_6=1, var_1_7=4, var_1_8=19/4] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_13 >= 1073741822) VAL [isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=5, var_1_6=1, var_1_7=4, var_1_8=19/4] [L76] CALL assume_abort_if_not(var_1_13 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=5, var_1_6=1, var_1_7=4, var_1_8=19/4] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_13 <= 2147483646) VAL [isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=5, var_1_6=1, var_1_7=4, var_1_8=19/4] [L77] var_1_14 = __VERIFIER_nondet_long() [L78] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=1073741823, var_1_15=1928642731, var_1_1=1, var_1_5=5, var_1_6=1, var_1_7=4, var_1_8=19/4] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=1073741823, var_1_15=1928642731, var_1_1=1, var_1_5=5, var_1_6=1, var_1_7=4, var_1_8=19/4] [L79] CALL assume_abort_if_not(var_1_14 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=1073741823, var_1_15=1928642731, var_1_1=1, var_1_5=5, var_1_6=1, var_1_7=4, var_1_8=19/4] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_14 <= 1073741823) VAL [isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=1073741823, var_1_15=1928642731, var_1_1=1, var_1_5=5, var_1_6=1, var_1_7=4, var_1_8=19/4] [L80] var_1_15 = __VERIFIER_nondet_long() [L81] CALL assume_abort_if_not(var_1_15 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=1073741823, var_1_15=1073741823, var_1_1=1, var_1_5=5, var_1_6=1, var_1_7=4, var_1_8=19/4] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_15 >= 1073741823) VAL [isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=1073741823, var_1_15=1073741823, var_1_1=1, var_1_5=5, var_1_6=1, var_1_7=4, var_1_8=19/4] [L82] CALL assume_abort_if_not(var_1_15 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=1073741823, var_1_15=1073741823, var_1_1=1, var_1_5=5, var_1_6=1, var_1_7=4, var_1_8=19/4] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_15 <= 2147483646) VAL [isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=1073741823, var_1_15=1073741823, var_1_1=1, var_1_5=5, var_1_6=1, var_1_7=4, var_1_8=19/4] [L96] RET updateVariables() [L97] CALL step() [L39] signed long int stepLocal_0 = -4; [L40] COND TRUE stepLocal_0 < var_1_6 [L41] var_1_8 = ((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))) [L43] var_1_11 = ((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10))) [L44] signed long int stepLocal_1 = (((var_1_5) > (var_1_7)) ? (var_1_5) : (var_1_7)); [L45] EXPR var_1_6 | 5 [L45] COND TRUE (var_1_6 | 5) <= stepLocal_1 [L46] var_1_12 = (((((var_1_6) < ((var_1_13 - var_1_14))) ? (var_1_6) : ((var_1_13 - var_1_14)))) - (var_1_15 - ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))))) [L50] COND TRUE (var_1_2 - var_1_3) <= (- var_1_11) [L51] var_1_1 = (((((var_1_5 - var_1_6)) < (var_1_7)) ? ((var_1_5 - var_1_6)) : (var_1_7))) [L97] RET step() [L98] CALL, EXPR property() [L87] EXPR (((((var_1_2 - var_1_3) <= (- var_1_11)) ? (var_1_1 == ((signed char) (((((var_1_5 - var_1_6)) < (var_1_7)) ? ((var_1_5 - var_1_6)) : (var_1_7))))) : (var_1_1 == ((signed char) var_1_5))) && ((-4 < var_1_6) ? (var_1_8 == ((float) ((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))))) : 1)) && (var_1_11 == ((float) ((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10)))))) && (((var_1_6 | 5) <= ((((var_1_5) > (var_1_7)) ? (var_1_5) : (var_1_7)))) ? (var_1_12 == ((signed long int) (((((var_1_6) < ((var_1_13 - var_1_14))) ? (var_1_6) : ((var_1_13 - var_1_14)))) - (var_1_15 - ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))))))) : (var_1_12 == ((signed long int) 4))) [L87-L88] return (((((var_1_2 - var_1_3) <= (- var_1_11)) ? (var_1_1 == ((signed char) (((((var_1_5 - var_1_6)) < (var_1_7)) ? ((var_1_5 - var_1_6)) : (var_1_7))))) : (var_1_1 == ((signed char) var_1_5))) && ((-4 < var_1_6) ? (var_1_8 == ((float) ((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))))) : 1)) && (var_1_11 == ((float) ((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10)))))) && (((var_1_6 | 5) <= ((((var_1_5) > (var_1_7)) ? (var_1_5) : (var_1_7)))) ? (var_1_12 == ((signed long int) (((((var_1_6) < ((var_1_13 - var_1_14))) ? (var_1_6) : ((var_1_13 - var_1_14)))) - (var_1_15 - ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))))))) : (var_1_12 == ((signed long int) 4))) ; [L98] RET, EXPR property() [L98] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=0, var_1_11=2, var_1_12=-1073741819, var_1_13=1073741822, var_1_14=1073741823, var_1_15=1073741823, var_1_1=4, var_1_5=5, var_1_6=1, var_1_7=4, var_1_8=2, var_1_9=2] [L19] reach_error() VAL [isInitial=1, var_1_10=0, var_1_11=2, var_1_12=-1073741819, var_1_13=1073741822, var_1_14=1073741823, var_1_15=1073741823, var_1_1=4, var_1_5=5, var_1_6=1, var_1_7=4, var_1_8=2, var_1_9=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 218.51ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 103.3MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.49ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 101.6MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.63ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 100.6MB in the end (delta: 993.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 412.88ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 71.7MB in the end (delta: 28.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 589.77ms. Allocated memory is still 142.6MB. Free memory was 71.5MB in the beginning and 94.8MB in the end (delta: -23.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.02ms. Allocated memory is still 142.6MB. Free memory was 94.8MB in the beginning and 94.7MB in the end (delta: 15.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 21:41:41,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5e1512-d9d5-478f-8b43-627eb6afb14e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5e1512-d9d5-478f-8b43-627eb6afb14e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5e1512-d9d5-478f-8b43-627eb6afb14e/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5e1512-d9d5-478f-8b43-627eb6afb14e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5e1512-d9d5-478f-8b43-627eb6afb14e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-28.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5e1512-d9d5-478f-8b43-627eb6afb14e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5e1512-d9d5-478f-8b43-627eb6afb14e/bin/ukojak-verify-CZk0znPC7b --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 e96454a975ce1a938377bc7f74cac4eca41d61506722199ed63b4e6ea50e6c11 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:41:43,192 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:41:43,275 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5e1512-d9d5-478f-8b43-627eb6afb14e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 21:41:43,302 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:41:43,303 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:41:43,303 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:41:43,303 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:41:43,303 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:41:43,303 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:41:43,304 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:41:43,304 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:41:43,304 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:41:43,304 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:41:43,304 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:41:43,304 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:41:43,304 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:41:43,304 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 21:41:43,304 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 21:41:43,304 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 21:41:43,304 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:41:43,305 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:41:43,305 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:41:43,305 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:41:43,305 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:41:43,305 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:41:43,305 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:41:43,305 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:41:43,305 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 21:41:43,305 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:41:43,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:41:43,305 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:41:43,306 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:41:43,306 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:41:43,306 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 21:41:43,306 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:41:43,306 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 21:41:43,306 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_6c5e1512-d9d5-478f-8b43-627eb6afb14e/bin/ukojak-verify-CZk0znPC7b 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 -> e96454a975ce1a938377bc7f74cac4eca41d61506722199ed63b4e6ea50e6c11 [2024-12-05 21:41:43,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:41:43,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:41:43,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:41:43,558 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:41:43,558 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:41:43,559 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5e1512-d9d5-478f-8b43-627eb6afb14e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-28.i [2024-12-05 21:41:46,220 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5e1512-d9d5-478f-8b43-627eb6afb14e/bin/ukojak-verify-CZk0znPC7b/data/a4993c7d7/dd33691e2151452f8ffa1803c4fd4d11/FLAGc0d45c585 [2024-12-05 21:41:46,422 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:41:46,423 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5e1512-d9d5-478f-8b43-627eb6afb14e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-28.i [2024-12-05 21:41:46,429 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5e1512-d9d5-478f-8b43-627eb6afb14e/bin/ukojak-verify-CZk0znPC7b/data/a4993c7d7/dd33691e2151452f8ffa1803c4fd4d11/FLAGc0d45c585 [2024-12-05 21:41:46,789 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5e1512-d9d5-478f-8b43-627eb6afb14e/bin/ukojak-verify-CZk0znPC7b/data/a4993c7d7/dd33691e2151452f8ffa1803c4fd4d11 [2024-12-05 21:41:46,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:41:46,792 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:41:46,793 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:41:46,793 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:41:46,796 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:41:46,797 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:41:46" (1/1) ... [2024-12-05 21:41:46,797 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b0ee136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:46, skipping insertion in model container [2024-12-05 21:41:46,797 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:41:46" (1/1) ... [2024-12-05 21:41:46,808 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:41:46,917 WARN L250 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_6c5e1512-d9d5-478f-8b43-627eb6afb14e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-28.i[915,928] [2024-12-05 21:41:46,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:41:46,973 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:41:46,983 WARN L250 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_6c5e1512-d9d5-478f-8b43-627eb6afb14e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-28.i[915,928] [2024-12-05 21:41:46,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:41:47,013 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:41:47,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:47 WrapperNode [2024-12-05 21:41:47,014 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:41:47,015 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:41:47,015 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:41:47,015 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:41:47,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:47" (1/1) ... [2024-12-05 21:41:47,029 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:47" (1/1) ... [2024-12-05 21:41:47,048 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 109 [2024-12-05 21:41:47,049 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:41:47,049 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:41:47,049 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:41:47,049 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:41:47,055 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:47" (1/1) ... [2024-12-05 21:41:47,055 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:47" (1/1) ... [2024-12-05 21:41:47,058 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:47" (1/1) ... [2024-12-05 21:41:47,058 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:47" (1/1) ... [2024-12-05 21:41:47,065 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:47" (1/1) ... [2024-12-05 21:41:47,066 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:47" (1/1) ... [2024-12-05 21:41:47,069 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:47" (1/1) ... [2024-12-05 21:41:47,071 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:47" (1/1) ... [2024-12-05 21:41:47,072 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:47" (1/1) ... [2024-12-05 21:41:47,075 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:41:47,075 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:41:47,076 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:41:47,076 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:41:47,077 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:47" (1/1) ... [2024-12-05 21:41:47,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:41:47,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5e1512-d9d5-478f-8b43-627eb6afb14e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:41:47,101 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5e1512-d9d5-478f-8b43-627eb6afb14e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:41:47,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5e1512-d9d5-478f-8b43-627eb6afb14e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:41:47,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:41:47,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 21:41:47,122 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 21:41:47,122 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 21:41:47,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:41:47,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:41:47,180 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:41:47,182 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:41:47,611 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-12-05 21:41:47,611 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:41:47,683 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:41:47,683 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 21:41:47,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:41:47 BoogieIcfgContainer [2024-12-05 21:41:47,683 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:41:47,684 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:41:47,684 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:41:47,694 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:41:47,694 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:41:47" (1/1) ... [2024-12-05 21:41:47,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:41:47,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:47,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 35 states and 51 transitions. [2024-12-05 21:41:47,740 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 51 transitions. [2024-12-05 21:41:47,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-12-05 21:41:47,744 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:41:47,744 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:41:47,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5e1512-d9d5-478f-8b43-627eb6afb14e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:41:47,746 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5e1512-d9d5-478f-8b43-627eb6afb14e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:41:47,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5e1512-d9d5-478f-8b43-627eb6afb14e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 21:41:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:48,339 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:41:48,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:48,535 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 21:41:48,545 INFO L279 TraceCheckSpWp]: Computing forward predicates...