./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-81.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_ee2bd7e9-398a-4ea3-9afa-1fedd1cdbd92/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2bd7e9-398a-4ea3-9afa-1fedd1cdbd92/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_ee2bd7e9-398a-4ea3-9afa-1fedd1cdbd92/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2bd7e9-398a-4ea3-9afa-1fedd1cdbd92/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-81.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2bd7e9-398a-4ea3-9afa-1fedd1cdbd92/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_ee2bd7e9-398a-4ea3-9afa-1fedd1cdbd92/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 5057d6caf941992e771c1ecd13bfea36f973e8e9bf0cbce9da91139cce11df8f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:13:21,724 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:13:21,780 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2bd7e9-398a-4ea3-9afa-1fedd1cdbd92/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 03:13:21,785 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:13:21,785 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:13:21,803 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:13:21,804 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:13:21,804 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:13:21,805 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:13:21,805 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:13:21,805 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:13:21,805 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:13:21,805 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:13:21,805 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:13:21,805 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:13:21,805 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:13:21,806 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:13:21,806 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:13:21,806 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:13:21,806 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:13:21,806 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:13:21,806 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:13:21,806 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:13:21,806 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:13:21,806 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:13:21,806 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:13:21,806 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:13:21,806 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:13:21,807 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:13:21,807 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:13:21,807 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:13:21,807 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:13:21,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:13:21,807 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_ee2bd7e9-398a-4ea3-9afa-1fedd1cdbd92/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 -> 5057d6caf941992e771c1ecd13bfea36f973e8e9bf0cbce9da91139cce11df8f [2024-12-06 03:13:22,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:13:22,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:13:22,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:13:22,061 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:13:22,062 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:13:22,063 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2bd7e9-398a-4ea3-9afa-1fedd1cdbd92/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-81.i [2024-12-06 03:13:24,721 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2bd7e9-398a-4ea3-9afa-1fedd1cdbd92/bin/ukojak-verify-CZk0znPC7b/data/f4caed885/38c23d33a21340109577edf2af96fe24/FLAG914c8f634 [2024-12-06 03:13:24,908 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:13:24,909 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2bd7e9-398a-4ea3-9afa-1fedd1cdbd92/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-81.i [2024-12-06 03:13:24,917 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2bd7e9-398a-4ea3-9afa-1fedd1cdbd92/bin/ukojak-verify-CZk0znPC7b/data/f4caed885/38c23d33a21340109577edf2af96fe24/FLAG914c8f634 [2024-12-06 03:13:25,268 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2bd7e9-398a-4ea3-9afa-1fedd1cdbd92/bin/ukojak-verify-CZk0znPC7b/data/f4caed885/38c23d33a21340109577edf2af96fe24 [2024-12-06 03:13:25,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:13:25,271 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:13:25,272 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:13:25,272 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:13:25,275 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:13:25,275 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:13:25" (1/1) ... [2024-12-06 03:13:25,276 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66624a44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:13:25, skipping insertion in model container [2024-12-06 03:13:25,276 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:13:25" (1/1) ... [2024-12-06 03:13:25,290 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:13:25,392 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_ee2bd7e9-398a-4ea3-9afa-1fedd1cdbd92/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-81.i[915,928] [2024-12-06 03:13:25,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:13:25,438 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:13:25,448 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_ee2bd7e9-398a-4ea3-9afa-1fedd1cdbd92/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-81.i[915,928] [2024-12-06 03:13:25,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:13:25,475 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:13:25,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:13:25 WrapperNode [2024-12-06 03:13:25,475 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:13:25,476 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:13:25,476 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:13:25,476 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:13:25,480 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:13:25" (1/1) ... [2024-12-06 03:13:25,486 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:13:25" (1/1) ... [2024-12-06 03:13:25,503 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 142 [2024-12-06 03:13:25,503 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:13:25,503 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:13:25,503 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:13:25,503 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:13:25,508 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:13:25" (1/1) ... [2024-12-06 03:13:25,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:13:25" (1/1) ... [2024-12-06 03:13:25,510 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:13:25" (1/1) ... [2024-12-06 03:13:25,511 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:13:25" (1/1) ... [2024-12-06 03:13:25,514 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:13:25" (1/1) ... [2024-12-06 03:13:25,515 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:13:25" (1/1) ... [2024-12-06 03:13:25,518 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:13:25" (1/1) ... [2024-12-06 03:13:25,520 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:13:25" (1/1) ... [2024-12-06 03:13:25,521 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:13:25" (1/1) ... [2024-12-06 03:13:25,523 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:13:25,523 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:13:25,524 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:13:25,524 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:13:25,524 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:13:25" (1/1) ... [2024-12-06 03:13:25,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:13:25,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2bd7e9-398a-4ea3-9afa-1fedd1cdbd92/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:13:25,553 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2bd7e9-398a-4ea3-9afa-1fedd1cdbd92/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:13:25,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2bd7e9-398a-4ea3-9afa-1fedd1cdbd92/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:13:25,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:13:25,580 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 03:13:25,581 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 03:13:25,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:13:25,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:13:25,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:13:25,647 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:13:25,649 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:13:25,878 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-12-06 03:13:25,879 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:13:25,995 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:13:25,995 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 03:13:25,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:13:25 BoogieIcfgContainer [2024-12-06 03:13:25,996 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:13:25,996 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:13:25,997 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:13:26,006 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:13:26,006 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:13:25" (1/1) ... [2024-12-06 03:13:26,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:13:26,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:13:26,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 35 states and 51 transitions. [2024-12-06 03:13:26,064 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 51 transitions. [2024-12-06 03:13:26,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-12-06 03:13:26,071 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:13:26,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:13:26,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:13:26,318 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:13:26,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:13:26,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:13:26,520 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:13:26,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:13:26,606 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 03:13:26,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:13:26 ImpRootNode [2024-12-06 03:13:26,652 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:13:26,652 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:13:26,652 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:13:26,653 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:13:26,653 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:13:25" (3/4) ... [2024-12-06 03:13:26,656 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 03:13:26,656 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:13:26,658 INFO L158 Benchmark]: Toolchain (without parser) took 1386.41ms. Allocated memory is still 142.6MB. Free memory was 118.7MB in the beginning and 79.9MB in the end (delta: 38.8MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2024-12-06 03:13:26,658 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:13:26,658 INFO L158 Benchmark]: CACSL2BoogieTranslator took 203.71ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 105.7MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:13:26,659 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.18ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 103.7MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:13:26,659 INFO L158 Benchmark]: Boogie Preprocessor took 19.52ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 102.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:13:26,660 INFO L158 Benchmark]: RCFGBuilder took 472.21ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 71.6MB in the end (delta: 30.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:13:26,660 INFO L158 Benchmark]: CodeCheck took 655.27ms. Allocated memory is still 142.6MB. Free memory was 71.4MB in the beginning and 79.9MB in the end (delta: -8.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:13:26,660 INFO L158 Benchmark]: Witness Printer took 4.40ms. Allocated memory is still 142.6MB. Free memory was 79.9MB in the beginning and 79.9MB in the end (delta: 13.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:13:26,662 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: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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 someBinaryArithmeticDOUBLEoperation at line 60, overapproximation of bitwiseOr at line 62, overapproximation of someBinaryDOUBLEComparisonOperation at line 78, overapproximation of someBinaryDOUBLEComparisonOperation at line 82, overapproximation of someBinaryDOUBLEComparisonOperation at line 76, overapproximation of someBinaryDOUBLEComparisonOperation at line 80, overapproximation of someBinaryDOUBLEComparisonOperation at line 60. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 9999.5; [L23] unsigned char var_1_2 = 1; [L24] double var_1_3 = 4.5; [L25] double var_1_4 = 2.5; [L26] double var_1_5 = 0.0; [L27] double var_1_6 = 999999999999.3; [L28] signed char var_1_7 = -128; [L29] signed char var_1_11 = -64; [L30] signed char var_1_12 = 5; [L31] signed char var_1_13 = 50; [L32] unsigned char var_1_14 = 0; [L33] unsigned char var_1_15 = 0; [L34] unsigned char var_1_16 = 0; [L35] unsigned char var_1_17 = 0; [L36] signed char last_1_var_1_7 = -128; [L107] isInitial = 1 [L108] FCALL initially() [L110] CALL updateLastVariables() [L100] last_1_var_1_7 = var_1_7 [L110] RET updateLastVariables() [L111] CALL updateVariables() [L72] var_1_2 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-64, var_1_12=5, var_1_13=50, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_3=9/2, var_1_4=5/2, var_1_5=0, var_1_6=9999999999993/10, var_1_7=-128] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_7=-128, var_1_11=-64, var_1_12=5, var_1_13=50, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_3=9/2, var_1_4=5/2, var_1_5=0, var_1_6=9999999999993/10, var_1_7=-128] [L74] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-64, var_1_12=5, var_1_13=50, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=0, var_1_3=9/2, var_1_4=5/2, var_1_5=0, var_1_6=9999999999993/10, var_1_7=-128] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_7=-128, var_1_11=-64, var_1_12=5, var_1_13=50, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=0, var_1_3=9/2, var_1_4=5/2, var_1_5=0, var_1_6=9999999999993/10, var_1_7=-128] [L75] var_1_3 = __VERIFIER_nondet_double() [L76] CALL assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-64, var_1_12=5, var_1_13=50, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=0, var_1_4=5/2, var_1_5=0, var_1_6=9999999999993/10, var_1_7=-128] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_7=-128, var_1_11=-64, var_1_12=5, var_1_13=50, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=0, var_1_4=5/2, var_1_5=0, var_1_6=9999999999993/10, var_1_7=-128] [L77] var_1_4 = __VERIFIER_nondet_double() [L78] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-64, var_1_12=5, var_1_13=50, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=0, var_1_5=0, var_1_6=9999999999993/10, var_1_7=-128] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_7=-128, var_1_11=-64, var_1_12=5, var_1_13=50, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=0, var_1_5=0, var_1_6=9999999999993/10, var_1_7=-128] [L79] var_1_5 = __VERIFIER_nondet_double() [L80] CALL assume_abort_if_not((var_1_5 >= 4611686.018427382800e+12F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-64, var_1_12=5, var_1_13=50, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=0, var_1_6=9999999999993/10, var_1_7=-128] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not((var_1_5 >= 4611686.018427382800e+12F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_7=-128, var_1_11=-64, var_1_12=5, var_1_13=50, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=0, var_1_6=9999999999993/10, var_1_7=-128] [L81] var_1_6 = __VERIFIER_nondet_double() [L82] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-64, var_1_12=5, var_1_13=50, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=0, var_1_7=-128] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_7=-128, var_1_11=-64, var_1_12=5, var_1_13=50, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=0, var_1_7=-128] [L83] var_1_11 = __VERIFIER_nondet_char() [L84] CALL assume_abort_if_not(var_1_11 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-1, var_1_12=5, var_1_13=50, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=0, var_1_7=-128] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_11 >= -127) VAL [isInitial=1, last_1_var_1_7=-128, var_1_11=-1, var_1_12=5, var_1_13=50, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=0, var_1_7=-128] [L85] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-1, var_1_12=5, var_1_13=50, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=0, var_1_7=-128] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, last_1_var_1_7=-128, var_1_11=-1, var_1_12=5, var_1_13=50, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=0, var_1_7=-128] [L86] var_1_13 = __VERIFIER_nondet_char() [L87] CALL assume_abort_if_not(var_1_13 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-1, var_1_12=5, var_1_13=-1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=0, var_1_7=-128] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_13 >= -1) VAL [isInitial=1, last_1_var_1_7=-128, var_1_11=-1, var_1_12=5, var_1_13=-1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=0, var_1_7=-128] [L88] CALL assume_abort_if_not(var_1_13 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-1, var_1_12=5, var_1_13=-1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=0, var_1_7=-128] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_13 <= 126) VAL [isInitial=1, last_1_var_1_7=-128, var_1_11=-1, var_1_12=5, var_1_13=-1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=0, var_1_7=-128] [L89] var_1_15 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-1, var_1_12=5, var_1_13=-1, var_1_14=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=0, var_1_7=-128] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_7=-128, var_1_11=-1, var_1_12=5, var_1_13=-1, var_1_14=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=0, var_1_7=-128] [L91] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-1, var_1_12=5, var_1_13=-1, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=0, var_1_7=-128] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, last_1_var_1_7=-128, var_1_11=-1, var_1_12=5, var_1_13=-1, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=0, var_1_7=-128] [L92] var_1_16 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-1, var_1_12=5, var_1_13=-1, var_1_14=0, var_1_15=1, var_1_17=0, var_1_1=19999/2, var_1_2=0, var_1_7=-128] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_7=-128, var_1_11=-1, var_1_12=5, var_1_13=-1, var_1_14=0, var_1_15=1, var_1_17=0, var_1_1=19999/2, var_1_2=0, var_1_7=-128] [L94] CALL assume_abort_if_not(var_1_16 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-1, var_1_12=5, var_1_13=-1, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=0, var_1_7=-128] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_16 <= 0) VAL [isInitial=1, last_1_var_1_7=-128, var_1_11=-1, var_1_12=5, var_1_13=-1, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=0, var_1_7=-128] [L95] var_1_17 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-1, var_1_12=5, var_1_13=-1, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=1, var_1_1=19999/2, var_1_2=0, var_1_7=-128] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, last_1_var_1_7=-128, var_1_11=-1, var_1_12=5, var_1_13=-1, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=1, var_1_1=19999/2, var_1_2=0, var_1_7=-128] [L97] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-1, var_1_12=5, var_1_13=-1, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=1, var_1_1=19999/2, var_1_2=0, var_1_7=-128] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, last_1_var_1_7=-128, var_1_11=-1, var_1_12=5, var_1_13=-1, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=1, var_1_1=19999/2, var_1_2=0, var_1_7=-128] [L111] RET updateVariables() [L112] CALL step() [L40] signed long int stepLocal_1 = ((((last_1_var_1_7) < (last_1_var_1_7)) ? (last_1_var_1_7) : (last_1_var_1_7))) + last_1_var_1_7; [L41] COND FALSE !(last_1_var_1_7 <= stepLocal_1) [L44] var_1_12 = var_1_11 [L46] unsigned char stepLocal_3 = var_1_2; [L47] unsigned long int stepLocal_2 = (((25u) > (var_1_12)) ? (25u) : (var_1_12)); [L48] COND TRUE stepLocal_3 || var_1_15 [L49] COND TRUE stepLocal_2 <= var_1_12 [L50] COND FALSE !(\read(var_1_2)) [L53] var_1_14 = var_1_17 [L59] COND TRUE \read(var_1_14) [L60] var_1_1 = ((((var_1_3) > ((var_1_4 - (var_1_5 - var_1_6)))) ? (var_1_3) : ((var_1_4 - (var_1_5 - var_1_6))))) [L62] EXPR var_1_12 ^ var_1_12 [L62] signed long int stepLocal_0 = var_1_12 ^ var_1_12; [L63] COND TRUE ((((-25) < (var_1_12)) ? (-25) : (var_1_12))) != stepLocal_0 [L64] COND TRUE \read(var_1_14) [L65] var_1_7 = var_1_11 [L112] RET step() [L113] CALL, EXPR property() [L103] EXPR (var_1_14 ? (var_1_1 == ((double) ((((var_1_3) > ((var_1_4 - (var_1_5 - var_1_6)))) ? (var_1_3) : ((var_1_4 - (var_1_5 - var_1_6))))))) : 1) && ((((((-25) < (var_1_12)) ? (-25) : (var_1_12))) != (var_1_12 ^ var_1_12)) ? (var_1_14 ? (var_1_7 == ((signed char) var_1_11)) : 1) : (var_1_7 == ((signed char) var_1_11))) [L103-L104] return (((var_1_14 ? (var_1_1 == ((double) ((((var_1_3) > ((var_1_4 - (var_1_5 - var_1_6)))) ? (var_1_3) : ((var_1_4 - (var_1_5 - var_1_6))))))) : 1) && ((((((-25) < (var_1_12)) ? (-25) : (var_1_12))) != (var_1_12 ^ var_1_12)) ? (var_1_14 ? (var_1_7 == ((signed char) var_1_11)) : 1) : (var_1_7 == ((signed char) var_1_11)))) && ((last_1_var_1_7 <= (((((last_1_var_1_7) < (last_1_var_1_7)) ? (last_1_var_1_7) : (last_1_var_1_7))) + last_1_var_1_7)) ? (var_1_12 == ((signed char) (var_1_13 - 1))) : (var_1_12 == ((signed char) var_1_11)))) && ((var_1_2 || var_1_15) ? ((((((25u) > (var_1_12)) ? (25u) : (var_1_12))) <= var_1_12) ? (var_1_2 ? (var_1_14 == ((unsigned char) var_1_16)) : (var_1_14 == ((unsigned char) var_1_17))) : 1) : (var_1_14 == ((unsigned char) var_1_16))) ; [L113] RET, EXPR property() [L113] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_7=-128, var_1_11=-1, var_1_12=-1, var_1_13=-1, var_1_14=1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_1=2, var_1_2=0, var_1_3=2, var_1_7=-1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_7=-128, var_1_11=-1, var_1_12=-1, var_1_13=-1, var_1_14=1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_1=2, var_1_2=0, var_1_3=2, var_1_7=-1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 203.71ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 105.7MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.18ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 103.7MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.52ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 102.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 472.21ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 71.6MB in the end (delta: 30.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 655.27ms. Allocated memory is still 142.6MB. Free memory was 71.4MB in the beginning and 79.9MB in the end (delta: -8.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.40ms. Allocated memory is still 142.6MB. Free memory was 79.9MB in the beginning and 79.9MB in the end (delta: 13.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 03:13:26,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2bd7e9-398a-4ea3-9afa-1fedd1cdbd92/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_ee2bd7e9-398a-4ea3-9afa-1fedd1cdbd92/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2bd7e9-398a-4ea3-9afa-1fedd1cdbd92/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_ee2bd7e9-398a-4ea3-9afa-1fedd1cdbd92/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2bd7e9-398a-4ea3-9afa-1fedd1cdbd92/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-81.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2bd7e9-398a-4ea3-9afa-1fedd1cdbd92/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_ee2bd7e9-398a-4ea3-9afa-1fedd1cdbd92/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 5057d6caf941992e771c1ecd13bfea36f973e8e9bf0cbce9da91139cce11df8f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:13:28,610 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:13:28,683 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2bd7e9-398a-4ea3-9afa-1fedd1cdbd92/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 03:13:28,707 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:13:28,707 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:13:28,707 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:13:28,708 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:13:28,708 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:13:28,708 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:13:28,708 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:13:28,708 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:13:28,708 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:13:28,709 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:13:28,709 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:13:28,709 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:13:28,709 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:13:28,709 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:13:28,709 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:13:28,709 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:13:28,710 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:13:28,710 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:13:28,710 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:13:28,710 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:13:28,710 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:13:28,710 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:13:28,710 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:13:28,710 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:13:28,710 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:13:28,711 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:13:28,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:13:28,711 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:13:28,711 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:13:28,711 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:13:28,711 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:13:28,711 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:13:28,711 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:13:28,711 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_ee2bd7e9-398a-4ea3-9afa-1fedd1cdbd92/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 -> 5057d6caf941992e771c1ecd13bfea36f973e8e9bf0cbce9da91139cce11df8f [2024-12-06 03:13:28,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:13:28,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:13:28,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:13:28,950 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:13:28,950 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:13:28,952 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2bd7e9-398a-4ea3-9afa-1fedd1cdbd92/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-81.i [2024-12-06 03:13:31,639 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2bd7e9-398a-4ea3-9afa-1fedd1cdbd92/bin/ukojak-verify-CZk0znPC7b/data/e77f5e6a8/86277a04f63d4aa093788ade1c1da86f/FLAG3761dbc51 [2024-12-06 03:13:31,833 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:13:31,834 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2bd7e9-398a-4ea3-9afa-1fedd1cdbd92/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-81.i [2024-12-06 03:13:31,840 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2bd7e9-398a-4ea3-9afa-1fedd1cdbd92/bin/ukojak-verify-CZk0znPC7b/data/e77f5e6a8/86277a04f63d4aa093788ade1c1da86f/FLAG3761dbc51 [2024-12-06 03:13:31,853 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2bd7e9-398a-4ea3-9afa-1fedd1cdbd92/bin/ukojak-verify-CZk0znPC7b/data/e77f5e6a8/86277a04f63d4aa093788ade1c1da86f [2024-12-06 03:13:31,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:13:31,856 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:13:31,858 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:13:31,858 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:13:31,861 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:13:31,862 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:13:31" (1/1) ... [2024-12-06 03:13:31,862 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20b46b1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:13:31, skipping insertion in model container [2024-12-06 03:13:31,863 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:13:31" (1/1) ... [2024-12-06 03:13:31,876 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:13:31,983 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_ee2bd7e9-398a-4ea3-9afa-1fedd1cdbd92/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-81.i[915,928] [2024-12-06 03:13:32,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:13:32,036 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:13:32,045 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_ee2bd7e9-398a-4ea3-9afa-1fedd1cdbd92/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-81.i[915,928] [2024-12-06 03:13:32,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:13:32,081 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:13:32,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:13:32 WrapperNode [2024-12-06 03:13:32,081 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:13:32,082 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:13:32,082 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:13:32,082 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:13:32,087 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:13:32" (1/1) ... [2024-12-06 03:13:32,095 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:13:32" (1/1) ... [2024-12-06 03:13:32,116 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2024-12-06 03:13:32,117 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:13:32,117 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:13:32,117 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:13:32,117 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:13:32,123 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:13:32" (1/1) ... [2024-12-06 03:13:32,123 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:13:32" (1/1) ... [2024-12-06 03:13:32,126 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:13:32" (1/1) ... [2024-12-06 03:13:32,127 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:13:32" (1/1) ... [2024-12-06 03:13:32,134 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:13:32" (1/1) ... [2024-12-06 03:13:32,135 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:13:32" (1/1) ... [2024-12-06 03:13:32,139 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:13:32" (1/1) ... [2024-12-06 03:13:32,141 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:13:32" (1/1) ... [2024-12-06 03:13:32,142 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:13:32" (1/1) ... [2024-12-06 03:13:32,144 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:13:32,145 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:13:32,145 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:13:32,145 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:13:32,146 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:13:32" (1/1) ... [2024-12-06 03:13:32,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:13:32,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2bd7e9-398a-4ea3-9afa-1fedd1cdbd92/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:13:32,170 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2bd7e9-398a-4ea3-9afa-1fedd1cdbd92/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:13:32,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2bd7e9-398a-4ea3-9afa-1fedd1cdbd92/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:13:32,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:13:32,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:13:32,191 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 03:13:32,191 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 03:13:32,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:13:32,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:13:32,247 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:13:32,248 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:13:34,584 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-12-06 03:13:34,584 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:13:34,673 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:13:34,673 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 03:13:34,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:13:34 BoogieIcfgContainer [2024-12-06 03:13:34,674 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:13:34,674 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:13:34,675 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:13:34,682 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:13:34,682 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:13:34" (1/1) ... [2024-12-06 03:13:34,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:13:34,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:13:34,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 35 states and 51 transitions. [2024-12-06 03:13:34,729 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 51 transitions. [2024-12-06 03:13:34,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-12-06 03:13:34,733 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:13:34,733 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:13:34,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2bd7e9-398a-4ea3-9afa-1fedd1cdbd92/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:13:34,735 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2bd7e9-398a-4ea3-9afa-1fedd1cdbd92/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:13:34,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2bd7e9-398a-4ea3-9afa-1fedd1cdbd92/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:13:35,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:35,355 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:13:39,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:39,149 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 03:13:39,157 INFO L279 TraceCheckSpWp]: Computing forward predicates...