./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.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_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/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_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/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_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/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 4a308eb18926ee1b904bfd6b10e1895d29d262c0ba78b97b1e51aab5a345984c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:24:15,253 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:24:15,306 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 03:24:15,310 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:24:15,310 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:24:15,327 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:24:15,328 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:24:15,328 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:24:15,329 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:24:15,329 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:24:15,329 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:24:15,329 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:24:15,329 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:24:15,329 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:24:15,330 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:24:15,330 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:24:15,330 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:24:15,330 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:24:15,330 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:24:15,330 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:24:15,330 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:24:15,330 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:24:15,330 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:24:15,330 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:24:15,330 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:24:15,330 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:24:15,330 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:24:15,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:24:15,330 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:24:15,331 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:24:15,331 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:24:15,331 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:24:15,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:24:15,331 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_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/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 -> 4a308eb18926ee1b904bfd6b10e1895d29d262c0ba78b97b1e51aab5a345984c [2024-12-06 03:24:15,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:24:15,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:24:15,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:24:15,538 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:24:15,538 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:24:15,539 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i [2024-12-06 03:24:18,132 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/data/dc9e3cd67/2465bbf40d5e453293042c5b556ad1cf/FLAG998cc8587 [2024-12-06 03:24:18,352 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:24:18,352 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i [2024-12-06 03:24:18,360 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/data/dc9e3cd67/2465bbf40d5e453293042c5b556ad1cf/FLAG998cc8587 [2024-12-06 03:24:18,724 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/data/dc9e3cd67/2465bbf40d5e453293042c5b556ad1cf [2024-12-06 03:24:18,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:24:18,727 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:24:18,728 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:24:18,728 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:24:18,731 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:24:18,732 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:24:18" (1/1) ... [2024-12-06 03:24:18,732 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34831268 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:24:18, skipping insertion in model container [2024-12-06 03:24:18,732 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:24:18" (1/1) ... [2024-12-06 03:24:18,746 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:24:18,861 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_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i[915,928] [2024-12-06 03:24:18,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:24:18,897 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:24:18,904 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_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i[915,928] [2024-12-06 03:24:18,918 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:24:18,931 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:24:18,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:24:18 WrapperNode [2024-12-06 03:24:18,932 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:24:18,933 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:24:18,933 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:24:18,933 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:24:18,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:24:18" (1/1) ... [2024-12-06 03:24:18,945 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:24:18" (1/1) ... [2024-12-06 03:24:18,964 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 95 [2024-12-06 03:24:18,964 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:24:18,965 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:24:18,965 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:24:18,965 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:24:18,972 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:24:18" (1/1) ... [2024-12-06 03:24:18,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:24:18" (1/1) ... [2024-12-06 03:24:18,974 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:24:18" (1/1) ... [2024-12-06 03:24:18,974 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:24:18" (1/1) ... [2024-12-06 03:24:18,979 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:24:18" (1/1) ... [2024-12-06 03:24:18,980 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:24:18" (1/1) ... [2024-12-06 03:24:18,982 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:24:18" (1/1) ... [2024-12-06 03:24:18,984 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:24:18" (1/1) ... [2024-12-06 03:24:18,985 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:24:18" (1/1) ... [2024-12-06 03:24:18,986 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:24:18,987 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:24:18,987 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:24:18,987 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:24:18,988 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:24:18" (1/1) ... [2024-12-06 03:24:18,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:24:19,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:24:19,018 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:24:19,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:24:19,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:24:19,045 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 03:24:19,045 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 03:24:19,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:24:19,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:24:19,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:24:19,103 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:24:19,105 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:24:19,260 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-06 03:24:19,260 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:24:19,319 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:24:19,319 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 03:24:19,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:24:19 BoogieIcfgContainer [2024-12-06 03:24:19,319 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:24:19,320 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:24:19,320 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:24:19,330 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:24:19,330 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:24:19" (1/1) ... [2024-12-06 03:24:19,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:24:19,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:24:19,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 32 states and 46 transitions. [2024-12-06 03:24:19,387 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2024-12-06 03:24:19,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 03:24:19,392 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:24:19,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:24:19,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:24:19,525 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:24:19,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:24:19,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:24:19,674 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:24:19,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:24:19,741 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 03:24:19,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:24:19 ImpRootNode [2024-12-06 03:24:19,791 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:24:19,792 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:24:19,792 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:24:19,792 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:24:19,792 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:24:19" (3/4) ... [2024-12-06 03:24:19,794 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 03:24:19,795 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:24:19,796 INFO L158 Benchmark]: Toolchain (without parser) took 1069.23ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 89.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2024-12-06 03:24:19,796 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 72.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:24:19,797 INFO L158 Benchmark]: CACSL2BoogieTranslator took 204.07ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 80.5MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:24:19,797 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.79ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.2MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:24:19,797 INFO L158 Benchmark]: Boogie Preprocessor took 21.65ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 78.2MB in the end (delta: 843.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:24:19,798 INFO L158 Benchmark]: RCFGBuilder took 332.36ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 61.9MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:24:19,798 INFO L158 Benchmark]: CodeCheck took 470.74ms. Allocated memory is still 117.4MB. Free memory was 61.9MB in the beginning and 90.1MB in the end (delta: -28.3MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2024-12-06 03:24:19,799 INFO L158 Benchmark]: Witness Printer took 3.78ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 89.6MB in the end (delta: 559.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:24:19,800 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, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 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 41, overapproximation of someUnaryDOUBLEoperation at line 31, overapproximation of someBinaryDOUBLEComparisonOperation at line 69, overapproximation of someBinaryDOUBLEComparisonOperation at line 67, overapproximation of someBinaryDOUBLEComparisonOperation at line 51, overapproximation of someBinaryDOUBLEComparisonOperation at line 38, overapproximation of someBinaryDOUBLEComparisonOperation at line 53. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 255.3; [L23] unsigned char var_1_2 = 0; [L24] double var_1_3 = 1000000000000.5; [L25] double var_1_4 = 999999999.125; [L26] signed long int var_1_5 = 0; [L27] signed long int var_1_6 = 100; [L28] signed long int var_1_7 = 256; [L29] signed long int var_1_8 = -5; [L30] double var_1_9 = 24.2; [L31] double var_1_10 = -0.125; [L32] double var_1_11 = -0.5; [L78] isInitial = 1 [L79] FCALL initially() [L81] FCALL updateLastVariables() [L82] CALL updateVariables() [L47] var_1_2 = __VERIFIER_nondet_uchar() [L48] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_3=2000000000001/2, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) [L48] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_1=2553/10, var_1_3=2000000000001/2, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L49] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=2000000000001/2, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) [L49] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=2000000000001/2, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L50] var_1_3 = __VERIFIER_nondet_double() [L51] 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, var_1_1=2553/10, var_1_2=1, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) [L51] 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, var_1_1=2553/10, var_1_2=1, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L52] var_1_4 = __VERIFIER_nondet_double() [L53] CALL assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) [L53] RET assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L54] var_1_5 = __VERIFIER_nondet_long() [L55] CALL assume_abort_if_not(var_1_5 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) [L55] RET assume_abort_if_not(var_1_5 >= -2147483648) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L56] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) [L56] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L57] var_1_6 = __VERIFIER_nondet_long() [L58] CALL assume_abort_if_not(var_1_6 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=0, var_1_6=0, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) [L58] RET assume_abort_if_not(var_1_6 >= -2147483648) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=0, var_1_6=0, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L59] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=0, var_1_6=0, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) [L59] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=0, var_1_6=0, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L60] var_1_7 = __VERIFIER_nondet_long() [L61] CALL assume_abort_if_not(var_1_7 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=0, var_1_6=0, var_1_7=13961, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) [L61] RET assume_abort_if_not(var_1_7 >= -2147483648) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=0, var_1_6=0, var_1_7=13961, var_1_8=-5, var_1_9=121/5] [L62] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=0, var_1_6=0, var_1_7=13961, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=0, var_1_6=0, var_1_7=13961, var_1_8=-5, var_1_9=121/5] [L63] var_1_8 = __VERIFIER_nondet_long() [L64] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=0, var_1_6=0, var_1_7=13961, var_1_8=13962, var_1_9=121/5] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=0, var_1_6=0, var_1_7=13961, var_1_8=13962, var_1_9=121/5] [L65] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=0, var_1_6=0, var_1_7=13961, var_1_8=13962, var_1_9=121/5] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=0, var_1_6=0, var_1_7=13961, var_1_8=13962, var_1_9=121/5] [L66] var_1_9 = __VERIFIER_nondet_double() [L67] CALL assume_abort_if_not((var_1_9 >= -461168.6018427382800e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=0, var_1_6=0, var_1_7=13961, var_1_8=13962] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not((var_1_9 >= -461168.6018427382800e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=0, var_1_6=0, var_1_7=13961, var_1_8=13962] [L68] var_1_10 = __VERIFIER_nondet_double() [L69] CALL assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=0, var_1_6=0, var_1_7=13961, var_1_8=13962] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=0, var_1_6=0, var_1_7=13961, var_1_8=13962] [L82] RET updateVariables() [L83] CALL step() [L36] signed long int stepLocal_0 = (((((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) > (var_1_7)) ? (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) : (var_1_7)); [L37] COND TRUE \read(var_1_2) [L38] var_1_1 = ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))) [L44] var_1_11 = var_1_3 [L83] RET step() [L84] CALL, EXPR property() [L74-L75] return (var_1_2 ? (var_1_1 == ((double) ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) : ((((((((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) > (var_1_7)) ? (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) : (var_1_7))) < var_1_8) ? (var_1_1 == ((double) (var_1_9 + var_1_10))) : 1)) && (var_1_11 == ((double) var_1_3)) ; [L84] RET, EXPR property() [L84] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_11=2, var_1_1=2, var_1_2=1, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=13961, var_1_8=13962] [L19] reach_error() VAL [isInitial=1, var_1_11=2, var_1_1=2, var_1_2=1, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=13961, var_1_8=13962] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 72.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 204.07ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 80.5MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.79ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.2MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.65ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 78.2MB in the end (delta: 843.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 332.36ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 61.9MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 470.74ms. Allocated memory is still 117.4MB. Free memory was 61.9MB in the beginning and 90.1MB in the end (delta: -28.3MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. * Witness Printer took 3.78ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 89.6MB in the end (delta: 559.4kB). 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 03:24:19,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/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_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/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_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/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_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/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 4a308eb18926ee1b904bfd6b10e1895d29d262c0ba78b97b1e51aab5a345984c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:24:21,719 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:24:21,804 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 03:24:21,828 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:24:21,828 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:24:21,829 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:24:21,829 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:24:21,829 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:24:21,829 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:24:21,829 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:24:21,830 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:24:21,830 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:24:21,830 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:24:21,830 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:24:21,830 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:24:21,830 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:24:21,830 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:24:21,830 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:24:21,830 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:24:21,830 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:24:21,831 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:24:21,831 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:24:21,831 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:24:21,831 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:24:21,831 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:24:21,831 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:24:21,831 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:24:21,831 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:24:21,832 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:24:21,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:24:21,832 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:24:21,832 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:24:21,832 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:24:21,832 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:24:21,832 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:24:21,832 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:24:21,832 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_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/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 -> 4a308eb18926ee1b904bfd6b10e1895d29d262c0ba78b97b1e51aab5a345984c [2024-12-06 03:24:22,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:24:22,064 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:24:22,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:24:22,067 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:24:22,067 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:24:22,068 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i [2024-12-06 03:24:24,738 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/data/1de6e399e/f926ee923369416980dcb2ac6f425a7f/FLAG0f5239b01 [2024-12-06 03:24:24,905 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:24:24,906 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i [2024-12-06 03:24:24,914 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/data/1de6e399e/f926ee923369416980dcb2ac6f425a7f/FLAG0f5239b01 [2024-12-06 03:24:24,927 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/data/1de6e399e/f926ee923369416980dcb2ac6f425a7f [2024-12-06 03:24:24,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:24:24,931 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:24:24,932 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:24:24,932 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:24:24,936 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:24:24,936 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:24:24" (1/1) ... [2024-12-06 03:24:24,937 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d416576 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:24:24, skipping insertion in model container [2024-12-06 03:24:24,937 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:24:24" (1/1) ... [2024-12-06 03:24:24,949 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:24:25,053 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_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i[915,928] [2024-12-06 03:24:25,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:24:25,095 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:24:25,104 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_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i[915,928] [2024-12-06 03:24:25,119 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:24:25,134 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:24:25,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:24:25 WrapperNode [2024-12-06 03:24:25,135 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:24:25,136 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:24:25,136 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:24:25,136 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:24:25,141 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:24:25" (1/1) ... [2024-12-06 03:24:25,149 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:24:25" (1/1) ... [2024-12-06 03:24:25,166 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 91 [2024-12-06 03:24:25,166 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:24:25,167 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:24:25,167 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:24:25,167 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:24:25,174 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:24:25" (1/1) ... [2024-12-06 03:24:25,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:24:25" (1/1) ... [2024-12-06 03:24:25,177 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:24:25" (1/1) ... [2024-12-06 03:24:25,177 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:24:25" (1/1) ... [2024-12-06 03:24:25,184 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:24:25" (1/1) ... [2024-12-06 03:24:25,185 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:24:25" (1/1) ... [2024-12-06 03:24:25,188 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:24:25" (1/1) ... [2024-12-06 03:24:25,190 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:24:25" (1/1) ... [2024-12-06 03:24:25,191 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:24:25" (1/1) ... [2024-12-06 03:24:25,194 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:24:25,195 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:24:25,195 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:24:25,195 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:24:25,196 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:24:25" (1/1) ... [2024-12-06 03:24:25,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:24:25,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:24:25,221 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:24:25,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:24:25,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:24:25,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:24:25,244 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 03:24:25,244 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 03:24:25,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:24:25,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:24:25,299 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:24:25,300 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:24:25,697 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-06 03:24:25,697 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:24:25,760 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:24:25,760 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 03:24:25,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:24:25 BoogieIcfgContainer [2024-12-06 03:24:25,760 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:24:25,761 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:24:25,761 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:24:25,768 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:24:25,768 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:24:25" (1/1) ... [2024-12-06 03:24:25,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:24:25,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:24:25,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 32 states and 46 transitions. [2024-12-06 03:24:25,810 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2024-12-06 03:24:25,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 03:24:25,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:24:25,815 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:24:25,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:24:25,817 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:24:25,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:24:26,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:26,458 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:24:27,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:27,265 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 03:24:27,271 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:25:05,749 WARN L286 SmtUtils]: Spent 5.85s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 03:25:36,200 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 100 proven. 20 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-12-06 03:25:36,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:25:41,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:25:41,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 58 states and 112 transitions. [2024-12-06 03:25:41,041 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 112 transitions. [2024-12-06 03:25:41,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 03:25:41,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:25:41,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:25:41,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:25:41,044 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:25:41,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 03:25:41,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:41,601 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:25:42,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:42,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 03:25:42,470 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:26:46,692 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 100 proven. 20 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-12-06 03:26:46,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-12-06 03:26:48,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:26:48,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 58 states and 112 transitions. [2024-12-06 03:26:48,622 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 112 transitions. [2024-12-06 03:26:48,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 03:26:48,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:26:48,624 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:26:48,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:26:48,626 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:26:48,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 03:26:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:26:49,175 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:26:49,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:26:49,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 03:26:49,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:27:50,191 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 100 proven. 20 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-12-06 03:27:50,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-12-06 03:27:50,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:27:50,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 58 states and 112 transitions. [2024-12-06 03:27:50,264 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 112 transitions. [2024-12-06 03:27:50,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 03:27:50,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:27:50,266 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:27:50,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:27:50,268 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:27:50,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 03:27:50,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:50,817 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:27:51,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:51,737 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 03:27:51,740 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:28:49,914 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 100 proven. 20 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-12-06 03:28:49,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 03:28:49,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:28:49,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 58 states and 112 transitions. [2024-12-06 03:28:49,987 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 112 transitions. [2024-12-06 03:28:49,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 03:28:49,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:28:49,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:28:49,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:28:49,990 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:28:49,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 03:28:50,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:28:50,536 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:28:51,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:28:51,496 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 03:28:51,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:29:51,279 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 100 proven. 20 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-12-06 03:29:51,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-12-06 03:29:51,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:29:51,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 58 states and 112 transitions. [2024-12-06 03:29:51,353 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 112 transitions. [2024-12-06 03:29:51,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 03:29:51,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:29:51,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:29:51,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:29:51,356 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:29:51,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 03:29:51,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:29:51,911 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:29:52,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:29:52,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 03:29:52,697 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:30:32,828 WARN L286 SmtUtils]: Spent 5.09s on a formula simplification. DAG size of input: 4 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 03:30:58,646 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 100 proven. 20 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-12-06 03:30:58,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-12-06 03:30:58,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:30:58,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 58 states and 112 transitions. [2024-12-06 03:30:58,716 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 112 transitions. [2024-12-06 03:30:58,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 03:30:58,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:30:58,717 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:30:58,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:30:58,719 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:30:58,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 03:30:59,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:30:59,265 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:31:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:31:00,088 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 03:31:00,090 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:32:02,733 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 100 proven. 20 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-12-06 03:32:02,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-12-06 03:32:02,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:32:02,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 58 states and 112 transitions. [2024-12-06 03:32:02,805 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 112 transitions. [2024-12-06 03:32:02,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 03:32:02,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:32:02,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:32:02,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:32:02,808 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:32:02,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 03:32:03,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:32:03,350 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:32:04,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:32:04,585 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 03:32:04,586 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:33:09,970 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 100 proven. 20 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-12-06 03:33:09,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-12-06 03:33:10,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:10,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 58 states and 112 transitions. [2024-12-06 03:33:10,037 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 112 transitions. [2024-12-06 03:33:10,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 03:33:10,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:10,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:33:10,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:33:10,040 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:33:10,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 03:33:10,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:10,596 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:33:11,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:11,455 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 03:33:11,456 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:34:12,213 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 100 proven. 20 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-12-06 03:34:12,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-12-06 03:34:12,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:34:12,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 58 states and 112 transitions. [2024-12-06 03:34:12,282 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 112 transitions. [2024-12-06 03:34:12,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 03:34:12,283 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:34:12,283 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:34:12,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:34:12,285 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:34:12,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 03:34:12,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:34:12,827 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:34:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:34:13,874 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 03:34:13,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:35:19,590 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 100 proven. 20 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-12-06 03:35:19,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-12-06 03:35:19,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:35:19,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 58 states and 112 transitions. [2024-12-06 03:35:19,660 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 112 transitions. [2024-12-06 03:35:19,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 03:35:19,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:35:19,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:35:19,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:35:19,663 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:35:19,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 03:35:20,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:35:20,207 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:35:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:35:20,955 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 03:35:20,957 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:36:37,075 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 100 proven. 20 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-12-06 03:36:37,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-12-06 03:36:46,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:36:46,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 81 states and 176 transitions. [2024-12-06 03:36:46,457 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 176 transitions. [2024-12-06 03:36:46,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 03:36:46,458 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:36:46,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:36:46,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:36:46,460 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:36:46,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 03:36:47,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:36:47,011 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:36:47,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:36:47,865 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 03:36:47,866 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:37:54,234 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 100 proven. 20 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-12-06 03:37:54,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-12-06 03:37:56,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:37:56,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 81 states and 176 transitions. [2024-12-06 03:37:56,708 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 176 transitions. [2024-12-06 03:37:56,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 03:37:56,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:37:56,708 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:37:56,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:37:56,710 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:37:56,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 03:37:57,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:37:57,252 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:37:58,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:37:58,059 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 03:37:58,060 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:39:01,704 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 100 proven. 20 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-12-06 03:39:01,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-12-06 03:39:05,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:39:05,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 83 states and 186 transitions. [2024-12-06 03:39:05,896 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 186 transitions. [2024-12-06 03:39:05,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 03:39:05,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:39:05,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:39:05,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:39:05,899 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:39:05,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd8eb7-eee3-4397-9a26-d99edd01e1c3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 03:39:06,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:39:06,438 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:39:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:39:07,345 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 03:39:07,346 INFO L279 TraceCheckSpWp]: Computing forward predicates...