./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-15.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-15.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL --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 1ca4ba71ef8f01ac6963c6fc45a8e45259ba03efeeb723e37ea785d69c88b0e8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:51:49,387 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:51:49,506 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:51:49,511 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:51:49,513 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:51:49,548 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:51:49,550 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:51:49,550 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:51:49,552 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:51:49,556 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:51:49,557 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:51:49,557 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:51:49,558 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:51:49,560 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:51:49,560 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:51:49,561 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:51:49,561 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:51:49,562 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:51:49,562 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:51:49,563 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:51:49,563 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:51:49,564 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:51:49,564 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:51:49,565 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:51:49,565 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:51:49,566 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:51:49,566 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:51:49,567 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:51:49,567 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:51:49,568 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:51:49,569 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:51:49,569 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:51:49,570 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:51:49,570 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ca4ba71ef8f01ac6963c6fc45a8e45259ba03efeeb723e37ea785d69c88b0e8 [2023-11-19 02:51:49,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:51:49,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:51:49,908 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:51:49,910 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:51:49,911 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:51:49,912 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-15.i [2023-11-19 02:51:53,003 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:51:53,241 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:51:53,241 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-15.i [2023-11-19 02:51:53,251 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/data/cf83c442c/bd1ebfbf21b94a2f97a8b8ab7bd7285c/FLAGdc8af75f7 [2023-11-19 02:51:53,264 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/data/cf83c442c/bd1ebfbf21b94a2f97a8b8ab7bd7285c [2023-11-19 02:51:53,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:51:53,269 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:51:53,270 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:51:53,271 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:51:53,275 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:51:53,275 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:51:53" (1/1) ... [2023-11-19 02:51:53,276 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1db43215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:53, skipping insertion in model container [2023-11-19 02:51:53,277 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:51:53" (1/1) ... [2023-11-19 02:51:53,305 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:51:53,453 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-15.i[915,928] [2023-11-19 02:51:53,486 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:51:53,497 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:51:53,510 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-15.i[915,928] [2023-11-19 02:51:53,527 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:51:53,543 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:51:53,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:53 WrapperNode [2023-11-19 02:51:53,544 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:51:53,545 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:51:53,546 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:51:53,546 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:51:53,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:53" (1/1) ... [2023-11-19 02:51:53,562 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:53" (1/1) ... [2023-11-19 02:51:53,587 INFO L138 Inliner]: procedures = 26, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 88 [2023-11-19 02:51:53,592 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:51:53,593 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:51:53,594 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:51:53,594 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:51:53,605 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:53" (1/1) ... [2023-11-19 02:51:53,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:53" (1/1) ... [2023-11-19 02:51:53,625 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:53" (1/1) ... [2023-11-19 02:51:53,625 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:53" (1/1) ... [2023-11-19 02:51:53,629 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:53" (1/1) ... [2023-11-19 02:51:53,632 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:53" (1/1) ... [2023-11-19 02:51:53,634 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:53" (1/1) ... [2023-11-19 02:51:53,635 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:53" (1/1) ... [2023-11-19 02:51:53,638 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:51:53,639 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:51:53,639 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:51:53,639 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:51:53,640 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:53" (1/1) ... [2023-11-19 02:51:53,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:51:53,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:51:53,686 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:51:53,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:51:53,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:51:53,728 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:51:53,729 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:51:53,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:51:53,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:51:53,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:51:53,823 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:51:53,826 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:51:54,148 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:51:54,329 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:51:54,330 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:51:54,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:51:54 BoogieIcfgContainer [2023-11-19 02:51:54,335 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:51:54,337 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:51:54,337 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:51:54,347 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:51:54,347 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:51:54" (1/1) ... [2023-11-19 02:51:54,357 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:51:54,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:54,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2023-11-19 02:51:54,436 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2023-11-19 02:51:54,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:51:54,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:54,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:54,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:51:54,676 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:51:54,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:51:54,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:51:54,881 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:51:54,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:51:54,956 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 02:51:55,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:51:55 ImpRootNode [2023-11-19 02:51:55,003 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:51:55,004 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:51:55,004 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:51:55,005 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:51:55,005 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:51:54" (3/4) ... [2023-11-19 02:51:55,007 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 02:51:55,008 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:51:55,009 INFO L158 Benchmark]: Toolchain (without parser) took 1740.14ms. Allocated memory is still 165.7MB. Free memory was 134.5MB in the beginning and 71.7MB in the end (delta: 62.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2023-11-19 02:51:55,010 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 130.0MB. Free memory is still 85.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:51:55,010 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.18ms. Allocated memory is still 165.7MB. Free memory was 134.3MB in the beginning and 122.5MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:51:55,011 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.47ms. Allocated memory is still 165.7MB. Free memory was 122.5MB in the beginning and 120.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:51:55,012 INFO L158 Benchmark]: Boogie Preprocessor took 44.52ms. Allocated memory is still 165.7MB. Free memory was 120.4MB in the beginning and 119.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:51:55,013 INFO L158 Benchmark]: RCFGBuilder took 696.52ms. Allocated memory is still 165.7MB. Free memory was 119.2MB in the beginning and 97.4MB in the end (delta: 21.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 02:51:55,013 INFO L158 Benchmark]: CodeCheck took 667.05ms. Allocated memory is still 165.7MB. Free memory was 97.4MB in the beginning and 72.2MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 02:51:55,014 INFO L158 Benchmark]: Witness Printer took 4.22ms. Allocated memory is still 165.7MB. Free memory was 72.2MB in the beginning and 71.7MB in the end (delta: 442.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:51:55,018 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, 23 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 83. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -128; [L23] unsigned short int var_1_3 = 16; [L24] unsigned long int var_1_7 = 1000; [L25] signed char var_1_8 = -4; [L26] signed short int var_1_9 = 2; [L27] unsigned char var_1_10 = 1; [L28] unsigned char var_1_11 = 0; [L29] double var_1_12 = 0.95; [L30] double var_1_13 = 9.8; [L31] signed short int last_1_var_1_9 = 2; [L32] unsigned char last_1_var_1_10 = 1; [L87] isInitial = 1 [L88] FCALL initially() [L89] COND TRUE 1 [L90] CALL updateLastVariables() [L79] last_1_var_1_9 = var_1_9 [L80] last_1_var_1_10 = var_1_10 [L90] RET updateLastVariables() [L91] CALL updateVariables() [L63] var_1_3 = __VERIFIER_nondet_ushort() [L64] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_7=1000, var_1_8=-4, var_1_9=2] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_7=1000, var_1_8=-4, var_1_9=2] [L65] CALL assume_abort_if_not(var_1_3 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_7=1000, var_1_8=-4, var_1_9=2] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_3 <= 65535) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_7=1000, var_1_8=-4, var_1_9=2] [L66] var_1_7 = __VERIFIER_nondet_ulong() [L67] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_7=4, var_1_8=-4, var_1_9=2] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_7=4, var_1_8=-4, var_1_9=2] [L68] CALL assume_abort_if_not(var_1_7 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_7=4, var_1_8=-4, var_1_9=2] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_7 <= 4294967295) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_7=4, var_1_8=-4, var_1_9=2] [L69] var_1_8 = __VERIFIER_nondet_char() [L70] CALL assume_abort_if_not(var_1_8 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_7=4, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_8 >= -127) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_7=4, var_1_8=0, var_1_9=2] [L71] CALL assume_abort_if_not(var_1_8 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_7=4, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_8 <= 126) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_7=4, var_1_8=0, var_1_9=2] [L72] var_1_11 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_7=4, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_7=4, var_1_8=0, var_1_9=2] [L74] CALL assume_abort_if_not(var_1_11 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_7=4, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_11 <= 0) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_7=4, var_1_8=0, var_1_9=2] [L75] var_1_13 = __VERIFIER_nondet_double() [L76] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=2, var_1_1=-128, var_1_7=4, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=2, var_1_1=-128, var_1_7=4, var_1_8=0, var_1_9=2] [L91] RET updateVariables() [L92] CALL step() [L36] signed long int stepLocal_2 = last_1_var_1_9; [L37] unsigned char stepLocal_1 = (- var_1_7) <= last_1_var_1_9; [L38] unsigned char stepLocal_0 = last_1_var_1_10; [L39] COND TRUE stepLocal_0 || ((~ last_1_var_1_9) >= last_1_var_1_9) [L40] COND FALSE !(last_1_var_1_9 < stepLocal_2) [L49] var_1_1 = var_1_8 [L54] var_1_10 = var_1_11 [L55] var_1_12 = var_1_13 [L56] COND FALSE !(\read(var_1_10)) [L92] RET step() [L93] CALL, EXPR property() [L83-L84] return ((((last_1_var_1_10 || ((~ last_1_var_1_9) >= last_1_var_1_9)) ? ((last_1_var_1_9 < last_1_var_1_9) ? ((! last_1_var_1_10) ? (((last_1_var_1_9 > last_1_var_1_9) && ((- var_1_7) <= last_1_var_1_9)) ? (var_1_1 == ((signed char) var_1_8)) : (var_1_1 == ((signed char) var_1_8))) : 1) : (var_1_1 == ((signed char) var_1_8))) : (var_1_1 == ((signed char) var_1_8))) && (var_1_10 ? ((((4131182089u - var_1_3) - 200u) < var_1_1) ? (var_1_9 == ((signed short int) var_1_8)) : 1) : 1)) && (var_1_10 == ((unsigned char) var_1_11))) && (var_1_12 == ((double) var_1_13)) ; [L93] RET, EXPR property() [L93] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=0, var_1_11=0, var_1_12=2, var_1_13=2, var_1_1=0, var_1_3=0, var_1_7=4, var_1_8=0, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=0, var_1_11=0, var_1_12=2, var_1_13=2, var_1_1=0, var_1_3=0, var_1_7=4, var_1_8=0, var_1_9=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 130.0MB. Free memory is still 85.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.18ms. Allocated memory is still 165.7MB. Free memory was 134.3MB in the beginning and 122.5MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.47ms. Allocated memory is still 165.7MB. Free memory was 122.5MB in the beginning and 120.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.52ms. Allocated memory is still 165.7MB. Free memory was 120.4MB in the beginning and 119.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 696.52ms. Allocated memory is still 165.7MB. Free memory was 119.2MB in the beginning and 97.4MB in the end (delta: 21.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 667.05ms. Allocated memory is still 165.7MB. Free memory was 97.4MB in the beginning and 72.2MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 4.22ms. Allocated memory is still 165.7MB. Free memory was 72.2MB in the beginning and 71.7MB in the end (delta: 442.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 02:51:55,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-15.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL --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 1ca4ba71ef8f01ac6963c6fc45a8e45259ba03efeeb723e37ea785d69c88b0e8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:51:57,738 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:51:57,856 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 02:51:57,913 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:51:57,914 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:51:57,915 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:51:57,916 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:51:57,917 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:51:57,918 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:51:57,923 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:51:57,923 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:51:57,924 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:51:57,924 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:51:57,926 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:51:57,927 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:51:57,927 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:51:57,928 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:51:57,928 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:51:57,929 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:51:57,929 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:51:57,929 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:51:57,930 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:51:57,931 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:51:57,931 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:51:57,932 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:51:57,932 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:51:57,932 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:51:57,933 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:51:57,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:51:57,934 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:51:57,935 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:51:57,936 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:51:57,936 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:51:57,936 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:51:57,937 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:51:57,937 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:51:57,937 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:51:57,938 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ca4ba71ef8f01ac6963c6fc45a8e45259ba03efeeb723e37ea785d69c88b0e8 [2023-11-19 02:51:58,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:51:58,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:51:58,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:51:58,357 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:51:58,357 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:51:58,359 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-15.i [2023-11-19 02:52:01,403 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:52:01,712 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:52:01,712 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-15.i [2023-11-19 02:52:01,723 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/data/77ad6b4d2/1888377a97464626976d786f7f7a8caa/FLAG030cec0e7 [2023-11-19 02:52:01,736 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/data/77ad6b4d2/1888377a97464626976d786f7f7a8caa [2023-11-19 02:52:01,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:52:01,740 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:52:01,741 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:52:01,741 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:52:01,746 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:52:01,747 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:52:01" (1/1) ... [2023-11-19 02:52:01,748 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c70e4f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:01, skipping insertion in model container [2023-11-19 02:52:01,748 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:52:01" (1/1) ... [2023-11-19 02:52:01,779 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:52:01,933 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-15.i[915,928] [2023-11-19 02:52:01,971 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:52:01,996 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:52:02,015 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-15.i[915,928] [2023-11-19 02:52:02,032 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:52:02,052 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:52:02,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:02 WrapperNode [2023-11-19 02:52:02,053 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:52:02,054 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:52:02,055 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:52:02,055 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:52:02,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:02" (1/1) ... [2023-11-19 02:52:02,093 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:02" (1/1) ... [2023-11-19 02:52:02,135 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 87 [2023-11-19 02:52:02,138 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:52:02,139 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:52:02,139 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:52:02,140 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:52:02,149 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:02" (1/1) ... [2023-11-19 02:52:02,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:02" (1/1) ... [2023-11-19 02:52:02,166 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:02" (1/1) ... [2023-11-19 02:52:02,166 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:02" (1/1) ... [2023-11-19 02:52:02,183 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:02" (1/1) ... [2023-11-19 02:52:02,186 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:02" (1/1) ... [2023-11-19 02:52:02,189 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:02" (1/1) ... [2023-11-19 02:52:02,191 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:02" (1/1) ... [2023-11-19 02:52:02,205 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:52:02,206 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:52:02,206 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:52:02,206 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:52:02,207 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:02" (1/1) ... [2023-11-19 02:52:02,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:52:02,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:52:02,257 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:52:02,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:52:02,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:52:02,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:52:02,308 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:52:02,309 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:52:02,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:52:02,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:52:02,450 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:52:02,452 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:52:02,761 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:52:02,894 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:52:02,894 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:52:02,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:52:02 BoogieIcfgContainer [2023-11-19 02:52:02,899 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:52:02,900 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:52:02,900 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:52:02,911 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:52:02,911 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:52:02" (1/1) ... [2023-11-19 02:52:02,921 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:52:02,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:02,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2023-11-19 02:52:02,977 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2023-11-19 02:52:02,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:52:02,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:02,983 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:52:02,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:52:02,988 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:52:03,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 02:52:03,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:03,441 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:52:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:03,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:52:03,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:10,921 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-19 02:52:10,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-19 02:52:12,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:12,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2023-11-19 02:52:12,527 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2023-11-19 02:52:12,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:52:12,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:12,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:52:12,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:52:12,531 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:52:12,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 02:52:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:13,050 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:52:13,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:13,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:52:13,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:16,773 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-19 02:52:16,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-19 02:52:16,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:16,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2023-11-19 02:52:16,961 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2023-11-19 02:52:16,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:52:16,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:16,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:52:16,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:52:16,969 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:52:16,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 02:52:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:17,363 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:52:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:17,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:52:17,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:20,205 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-19 02:52:20,208 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 02:52:20,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-11-19 02:52:20,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:20,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2023-11-19 02:52:20,240 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2023-11-19 02:52:20,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:52:20,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:20,242 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:52:20,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:52:20,244 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:52:20,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-19 02:52:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:20,644 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:52:20,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:20,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:52:20,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:23,822 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-19 02:52:23,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-19 02:52:23,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:23,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2023-11-19 02:52:23,861 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2023-11-19 02:52:23,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:52:23,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:23,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:52:23,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:52:23,864 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:52:23,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-19 02:52:24,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:24,344 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:52:24,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:24,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:52:24,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:28,108 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-19 02:52:28,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-19 02:52:28,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:28,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2023-11-19 02:52:28,138 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2023-11-19 02:52:28,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:52:28,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:28,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:52:28,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:52:28,141 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:52:28,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-19 02:52:28,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:28,668 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:52:28,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:28,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:52:28,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:32,084 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-19 02:52:32,087 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 02:52:32,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-19 02:52:32,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:32,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2023-11-19 02:52:32,111 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2023-11-19 02:52:32,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:52:32,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:32,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:52:32,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:52:32,129 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:52:32,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-19 02:52:32,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:32,648 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:52:32,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:32,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:52:32,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:36,349 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-19 02:52:36,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-11-19 02:52:36,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:36,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2023-11-19 02:52:36,380 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2023-11-19 02:52:36,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:52:36,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:36,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:52:36,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:52:36,383 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:52:36,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-19 02:52:36,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:36,789 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:52:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:36,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:52:36,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:40,071 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-19 02:52:40,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-11-19 02:52:40,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:40,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2023-11-19 02:52:40,105 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2023-11-19 02:52:40,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:52:40,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:40,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:52:40,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:52:40,108 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:52:40,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-19 02:52:40,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:40,605 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:52:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:40,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:52:40,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:44,326 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-19 02:52:44,329 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (10)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 02:52:44,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-11-19 02:52:44,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:44,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2023-11-19 02:52:44,365 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2023-11-19 02:52:44,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:52:44,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:44,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:52:44,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:52:44,367 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:52:44,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ac1f63-9914-467f-a57d-e9ea2096ef43/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-19 02:52:44,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:44,817 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:52:44,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:44,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:52:44,863 INFO L285 TraceCheckSpWp]: Computing forward predicates...