./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 473c6c098417e653140bb6e4cb3c44882ec0d7e6b7ae197524bf5de6070b7483 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:58:24,448 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:58:24,578 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:58:24,592 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:58:24,594 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:58:24,637 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:58:24,638 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:58:24,639 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:58:24,640 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:58:24,645 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:58:24,646 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:58:24,647 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:58:24,647 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:58:24,649 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:58:24,649 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:58:24,650 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:58:24,650 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:58:24,651 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:58:24,651 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:58:24,651 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:58:24,652 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:58:24,654 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:58:24,655 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:58:24,655 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:58:24,656 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:58:24,656 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:58:24,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:58:24,657 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:58:24,657 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:58:24,658 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:58:24,659 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:58:24,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:58:24,660 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:58:24,660 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_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 473c6c098417e653140bb6e4cb3c44882ec0d7e6b7ae197524bf5de6070b7483 [2023-11-24 22:58:25,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:58:25,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:58:25,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:58:25,088 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:58:25,089 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:58:25,091 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i [2023-11-24 22:58:28,065 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:58:28,311 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:58:28,311 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i [2023-11-24 22:58:28,321 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/data/462d62032/3a0a900395a14a07a9e3148d2f6a3937/FLAG5fbe5c1d6 [2023-11-24 22:58:28,336 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/data/462d62032/3a0a900395a14a07a9e3148d2f6a3937 [2023-11-24 22:58:28,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:58:28,341 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:58:28,342 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:58:28,343 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:58:28,348 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:58:28,349 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:58:28" (1/1) ... [2023-11-24 22:58:28,350 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53c77c0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:28, skipping insertion in model container [2023-11-24 22:58:28,351 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:58:28" (1/1) ... [2023-11-24 22:58:28,389 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:58:28,538 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_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i[915,928] [2023-11-24 22:58:28,567 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:58:28,579 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:58:28,589 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_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i[915,928] [2023-11-24 22:58:28,603 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:58:28,619 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:58:28,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:28 WrapperNode [2023-11-24 22:58:28,619 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:58:28,621 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:58:28,621 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:58:28,621 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:58:28,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:28" (1/1) ... [2023-11-24 22:58:28,635 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:28" (1/1) ... [2023-11-24 22:58:28,661 INFO L138 Inliner]: procedures = 26, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 83 [2023-11-24 22:58:28,661 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:58:28,662 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:58:28,662 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:58:28,662 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:58:28,670 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:28" (1/1) ... [2023-11-24 22:58:28,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:28" (1/1) ... [2023-11-24 22:58:28,673 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:28" (1/1) ... [2023-11-24 22:58:28,673 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:28" (1/1) ... [2023-11-24 22:58:28,679 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:28" (1/1) ... [2023-11-24 22:58:28,683 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:28" (1/1) ... [2023-11-24 22:58:28,684 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:28" (1/1) ... [2023-11-24 22:58:28,686 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:28" (1/1) ... [2023-11-24 22:58:28,688 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:58:28,690 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:58:28,690 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:58:28,690 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:58:28,691 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:28" (1/1) ... [2023-11-24 22:58:28,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:58:28,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:58:28,728 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:58:28,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:58:28,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:58:28,765 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:58:28,765 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:58:28,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:58:28,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:58:28,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:58:28,854 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:58:28,856 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:58:29,057 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:58:29,146 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:58:29,146 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:58:29,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:29 BoogieIcfgContainer [2023-11-24 22:58:29,148 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:58:29,149 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:58:29,149 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:58:29,166 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:58:29,172 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:29" (1/1) ... [2023-11-24 22:58:29,181 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:58:29,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:29,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2023-11-24 22:58:29,237 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2023-11-24 22:58:29,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:58:29,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:29,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:29,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:58:29,629 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:58:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:58:30,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:58:30,028 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:58:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:58:30,139 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:58:30,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:58:30 ImpRootNode [2023-11-24 22:58:30,216 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:58:30,217 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:58:30,217 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:58:30,217 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:58:30,218 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:29" (3/4) ... [2023-11-24 22:58:30,221 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:58:30,222 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:58:30,223 INFO L158 Benchmark]: Toolchain (without parser) took 1881.71ms. Allocated memory is still 167.8MB. Free memory was 136.5MB in the beginning and 93.7MB in the end (delta: 42.8MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. [2023-11-24 22:58:30,223 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 127.9MB. Free memory was 100.3MB in the beginning and 100.1MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:58:30,224 INFO L158 Benchmark]: CACSL2BoogieTranslator took 277.43ms. Allocated memory is still 167.8MB. Free memory was 136.3MB in the beginning and 129.7MB in the end (delta: 6.5MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2023-11-24 22:58:30,225 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.70ms. Allocated memory is still 167.8MB. Free memory was 129.7MB in the beginning and 127.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:58:30,225 INFO L158 Benchmark]: Boogie Preprocessor took 26.96ms. Allocated memory is still 167.8MB. Free memory was 127.6MB in the beginning and 126.9MB in the end (delta: 793.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:58:30,226 INFO L158 Benchmark]: RCFGBuilder took 458.33ms. Allocated memory is still 167.8MB. Free memory was 126.9MB in the beginning and 128.5MB in the end (delta: -1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-24 22:58:30,227 INFO L158 Benchmark]: CodeCheck took 1067.75ms. Allocated memory is still 167.8MB. Free memory was 128.5MB in the beginning and 94.1MB in the end (delta: 34.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-24 22:58:30,228 INFO L158 Benchmark]: Witness Printer took 4.74ms. Allocated memory is still 167.8MB. Free memory was 94.1MB in the beginning and 93.7MB in the end (delta: 406.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:58:30,232 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, 29 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 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 67, overapproximation of someUnaryDOUBLEoperation at line 31. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 4; [L23] unsigned long int var_1_3 = 3854620897; [L24] unsigned long int var_1_4 = 1; [L25] unsigned long int var_1_5 = 5; [L26] unsigned long int var_1_6 = 1934698459; [L27] unsigned long int var_1_7 = 1000000000; [L28] unsigned long int var_1_8 = 0; [L29] unsigned long int var_1_9 = 16; [L30] double var_1_10 = 31.375; [L31] double var_1_11 = -0.6; [L71] isInitial = 1 [L72] FCALL initially() [L73] COND TRUE 1 [L74] FCALL updateLastVariables() [L75] CALL updateVariables() [L43] var_1_3 = __VERIFIER_nondet_ulong() [L44] CALL assume_abort_if_not(var_1_3 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=1, var_1_5=5, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L44] RET assume_abort_if_not(var_1_3 >= 2147483647) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=1, var_1_5=5, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L45] CALL assume_abort_if_not(var_1_3 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=1, var_1_5=5, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L45] RET assume_abort_if_not(var_1_3 <= 4294967295) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=1, var_1_5=5, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L46] var_1_4 = __VERIFIER_nondet_ulong() [L47] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_5=5, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L47] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_5=5, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L48] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=5, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L48] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=5, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L49] var_1_5 = __VERIFIER_nondet_ulong() [L50] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L50] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L51] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L51] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L52] var_1_6 = __VERIFIER_nondet_ulong() [L53] CALL assume_abort_if_not(var_1_6 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L53] RET assume_abort_if_not(var_1_6 >= 1073741823) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L54] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L54] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L55] var_1_7 = __VERIFIER_nondet_ulong() [L56] CALL assume_abort_if_not(var_1_7 >= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L56] RET assume_abort_if_not(var_1_7 >= 536870911) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=0, var_1_9=16] [L57] CALL assume_abort_if_not(var_1_7 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L57] RET assume_abort_if_not(var_1_7 <= 1073741823) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=0, var_1_9=16] [L58] var_1_8 = __VERIFIER_nondet_ulong() [L59] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_9=16] [L20] COND FALSE !(!cond) [L59] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_9=16] [L60] CALL assume_abort_if_not(var_1_8 <= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L60] RET assume_abort_if_not(var_1_8 <= 536870911) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=0, var_1_9=16] [L61] var_1_11 = __VERIFIER_nondet_double() [L62] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=0, var_1_9=16] [L75] RET updateVariables() [L76] CALL step() [L35] var_1_9 = var_1_7 [L36] var_1_10 = var_1_11 [L37] unsigned long int stepLocal_0 = var_1_9; [L38] COND FALSE !(stepLocal_0 >= (var_1_3 - ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))))) [L76] RET step() [L77] CALL, EXPR property() [L67-L68] return (((var_1_9 >= (var_1_3 - ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))))) ? (var_1_1 == ((unsigned long int) (var_1_4 + (var_1_6 - (var_1_7 - var_1_8))))) : 1) && (var_1_9 == ((unsigned long int) var_1_7))) && (var_1_10 == ((double) var_1_11)) ; [L77] RET, EXPR property() [L77] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2, var_1_11=2, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=0, var_1_9=1073741823] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2, var_1_11=2, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=0, var_1_9=1073741823] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 127.9MB. Free memory was 100.3MB in the beginning and 100.1MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 277.43ms. Allocated memory is still 167.8MB. Free memory was 136.3MB in the beginning and 129.7MB in the end (delta: 6.5MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.70ms. Allocated memory is still 167.8MB. Free memory was 129.7MB in the beginning and 127.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.96ms. Allocated memory is still 167.8MB. Free memory was 127.6MB in the beginning and 126.9MB in the end (delta: 793.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 458.33ms. Allocated memory is still 167.8MB. Free memory was 126.9MB in the beginning and 128.5MB in the end (delta: -1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1067.75ms. Allocated memory is still 167.8MB. Free memory was 128.5MB in the beginning and 94.1MB in the end (delta: 34.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 4.74ms. Allocated memory is still 167.8MB. Free memory was 94.1MB in the beginning and 93.7MB in the end (delta: 406.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:58:30,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 473c6c098417e653140bb6e4cb3c44882ec0d7e6b7ae197524bf5de6070b7483 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:58:33,021 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:58:33,171 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 22:58:33,220 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:58:33,221 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:58:33,222 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:58:33,223 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:58:33,223 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:58:33,224 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:58:33,229 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:58:33,230 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:58:33,230 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:58:33,231 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:58:33,232 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:58:33,233 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:58:33,233 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:58:33,233 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:58:33,234 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:58:33,234 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:58:33,235 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:58:33,236 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:58:33,236 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:58:33,237 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:58:33,237 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:58:33,237 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:58:33,238 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:58:33,238 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:58:33,239 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:58:33,239 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:58:33,239 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:58:33,241 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:58:33,241 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:58:33,241 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:58:33,242 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:58:33,242 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:58:33,242 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:58:33,242 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:58:33,242 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_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 473c6c098417e653140bb6e4cb3c44882ec0d7e6b7ae197524bf5de6070b7483 [2023-11-24 22:58:33,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:58:33,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:58:33,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:58:33,732 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:58:33,732 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:58:33,734 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i [2023-11-24 22:58:36,781 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:58:37,099 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:58:37,099 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i [2023-11-24 22:58:37,111 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/data/344f55d74/d1dc01b351fc4f849b29504eb692b2cb/FLAG7f05d1f9f [2023-11-24 22:58:37,130 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/data/344f55d74/d1dc01b351fc4f849b29504eb692b2cb [2023-11-24 22:58:37,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:58:37,134 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:58:37,136 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:58:37,136 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:58:37,141 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:58:37,142 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:58:37" (1/1) ... [2023-11-24 22:58:37,143 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bb4c3f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:37, skipping insertion in model container [2023-11-24 22:58:37,143 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:58:37" (1/1) ... [2023-11-24 22:58:37,176 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:58:37,342 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_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i[915,928] [2023-11-24 22:58:37,387 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:58:37,421 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:58:37,445 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_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i[915,928] [2023-11-24 22:58:37,478 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:58:37,504 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:58:37,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:37 WrapperNode [2023-11-24 22:58:37,504 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:58:37,506 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:58:37,506 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:58:37,506 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:58:37,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:37" (1/1) ... [2023-11-24 22:58:37,539 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:37" (1/1) ... [2023-11-24 22:58:37,579 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 83 [2023-11-24 22:58:37,580 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:58:37,581 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:58:37,582 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:58:37,582 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:58:37,591 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:37" (1/1) ... [2023-11-24 22:58:37,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:37" (1/1) ... [2023-11-24 22:58:37,604 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:37" (1/1) ... [2023-11-24 22:58:37,604 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:37" (1/1) ... [2023-11-24 22:58:37,622 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:37" (1/1) ... [2023-11-24 22:58:37,630 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:37" (1/1) ... [2023-11-24 22:58:37,633 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:37" (1/1) ... [2023-11-24 22:58:37,635 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:37" (1/1) ... [2023-11-24 22:58:37,643 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:58:37,645 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:58:37,645 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:58:37,645 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:58:37,646 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:37" (1/1) ... [2023-11-24 22:58:37,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:58:37,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:58:37,680 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:58:37,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:58:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:58:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:58:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:58:37,727 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:58:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:58:37,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:58:37,859 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:58:37,861 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:58:38,119 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:58:38,195 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:58:38,195 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:58:38,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:38 BoogieIcfgContainer [2023-11-24 22:58:38,197 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:58:38,198 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:58:38,199 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:58:38,210 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:58:38,216 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:38" (1/1) ... [2023-11-24 22:58:38,225 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:58:38,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:38,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2023-11-24 22:58:38,291 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2023-11-24 22:58:38,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:58:38,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:38,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:58:38,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:58:38,303 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:58:38,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:58:38,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:38,708 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:58:38,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:38,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:58:38,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:40,792 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-11-24 22:58:40,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:58:41,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:41,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-11-24 22:58:41,815 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-11-24 22:58:41,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:58:41,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:41,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:58:41,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:58:41,819 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:58:41,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-24 22:58:42,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:42,239 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:58:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:42,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:58:42,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:43,350 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-11-24 22:58:43,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-24 22:58:43,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:43,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-11-24 22:58:43,375 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-11-24 22:58:43,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:58:43,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:43,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:58:43,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:58:43,380 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:58:43,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-24 22:58:43,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:43,756 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:58:43,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:43,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:58:43,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:44,768 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-11-24 22:58:44,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-11-24 22:58:44,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:44,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-11-24 22:58:44,787 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-11-24 22:58:44,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:58:44,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:44,790 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:58:44,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:58:44,791 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:58:44,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-24 22:58:45,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:45,159 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:58:45,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:45,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:58:45,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:46,066 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-11-24 22:58:46,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-24 22:58:46,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:46,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-11-24 22:58:46,083 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-11-24 22:58:46,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:58:46,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:46,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:58:46,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:58:46,086 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:58:46,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-24 22:58:46,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:46,419 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:58:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:46,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:58:46,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:47,313 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-11-24 22:58:47,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-24 22:58:47,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:47,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-11-24 22:58:47,327 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-11-24 22:58:47,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:58:47,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:47,328 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:58:47,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:58:47,334 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:58:47,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-24 22:58:47,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:47,665 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:58:47,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:47,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:58:47,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:48,643 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-11-24 22:58:48,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-11-24 22:58:48,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:48,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-11-24 22:58:48,667 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-11-24 22:58:48,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:58:48,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:48,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:58:48,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:58:48,673 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:58:48,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-24 22:58:49,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:49,119 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:58:49,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:49,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:58:49,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:50,017 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-11-24 22:58:50,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-11-24 22:58:50,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:50,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-11-24 22:58:50,036 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-11-24 22:58:50,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:58:50,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:50,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:58:50,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:58:50,039 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:58:50,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-24 22:58:50,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:50,352 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:58:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:50,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:58:50,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:51,190 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-11-24 22:58:51,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-11-24 22:58:51,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:51,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-11-24 22:58:51,206 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-11-24 22:58:51,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:58:51,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:51,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:58:51,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:58:51,220 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:58:51,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-24 22:58:51,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:51,585 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:58:51,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:51,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:58:51,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:52,349 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-11-24 22:58:52,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-11-24 22:58:52,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:52,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-11-24 22:58:52,360 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-11-24 22:58:52,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:58:52,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:52,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:58:52,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:58:52,363 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:58:52,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-24 22:58:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:52,786 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:58:52,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:52,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:58:52,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:53,603 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-11-24 22:58:53,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-11-24 22:58:53,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:53,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-11-24 22:58:53,613 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-11-24 22:58:53,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:58:53,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:53,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:58:53,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:58:53,616 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:58:53,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-11-24 22:58:53,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:53,943 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:58:53,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:53,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:58:53,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:54,716 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-11-24 22:58:54,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2023-11-24 22:58:54,721 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (12)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:58:54,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:54,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-11-24 22:58:54,728 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-11-24 22:58:54,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:58:54,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:54,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:58:54,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:58:54,738 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:58:54,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-11-24 22:58:55,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:55,041 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:58:55,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:55,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:58:55,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:55,797 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-11-24 22:58:55,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2023-11-24 22:58:55,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:55,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-11-24 22:58:55,811 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-11-24 22:58:55,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:58:55,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:55,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:58:55,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:58:55,818 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:58:55,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-11-24 22:58:56,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:56,112 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:58:56,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:56,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:58:56,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:56,849 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-11-24 22:58:56,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2023-11-24 22:58:56,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:56,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-11-24 22:58:56,862 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-11-24 22:58:56,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:58:56,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:56,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:58:56,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:58:56,865 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:58:56,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-11-24 22:58:57,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:57,186 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:58:57,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:57,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:58:57,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:57,904 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-11-24 22:58:57,908 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (15)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:58:57,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2023-11-24 22:58:57,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:57,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-11-24 22:58:57,915 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-11-24 22:58:57,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:58:57,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:57,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:58:57,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:58:57,919 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:58:57,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-11-24 22:58:58,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:58,337 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:58:58,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:58,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:58:58,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:59,119 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-11-24 22:58:59,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2023-11-24 22:58:59,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:59,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-11-24 22:58:59,144 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-11-24 22:58:59,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:58:59,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:59,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:58:59,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:58:59,149 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:58:59,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-11-24 22:58:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:59,553 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:58:59,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:59,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:58:59,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:00,333 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-11-24 22:59:00,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2023-11-24 22:59:00,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:00,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-11-24 22:59:00,344 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-11-24 22:59:00,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:59:00,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:00,346 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:00,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:59:00,347 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:59:00,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-11-24 22:59:00,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:00,768 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:59:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:00,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:59:00,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:01,713 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-11-24 22:59:01,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2023-11-24 22:59:01,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:01,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-11-24 22:59:01,725 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-11-24 22:59:01,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:59:01,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:01,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:01,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:59:01,729 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:59:01,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-11-24 22:59:02,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:02,083 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:59:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:02,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:59:02,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:02,871 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-11-24 22:59:02,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2023-11-24 22:59:02,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:02,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-11-24 22:59:02,881 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-11-24 22:59:02,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:59:02,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:02,883 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:02,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:59:02,885 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:59:02,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-11-24 22:59:03,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:03,291 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:59:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:03,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:59:03,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:04,044 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-11-24 22:59:04,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2023-11-24 22:59:04,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:04,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-11-24 22:59:04,055 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-11-24 22:59:04,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:59:04,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:04,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:04,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:59:04,061 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:59:04,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-11-24 22:59:04,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:04,404 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:59:04,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:04,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:59:04,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:05,173 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-11-24 22:59:05,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2023-11-24 22:59:05,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:05,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-11-24 22:59:05,182 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-11-24 22:59:05,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:59:05,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:05,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:05,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:59:05,184 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:59:05,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-11-24 22:59:05,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:05,462 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:59:05,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:05,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:59:05,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:06,097 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-11-24 22:59:06,100 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (22)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:59:06,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2023-11-24 22:59:06,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:06,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-11-24 22:59:06,105 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-11-24 22:59:06,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:59:06,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:06,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:06,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:59:06,112 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:59:06,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-11-24 22:59:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:06,404 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:59:06,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:06,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:59:06,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:07,080 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-11-24 22:59:07,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2023-11-24 22:59:07,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:07,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-11-24 22:59:07,093 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-11-24 22:59:07,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:59:07,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:07,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:07,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:59:07,097 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:59:07,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-11-24 22:59:07,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:07,417 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:59:07,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:07,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:59:07,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:08,101 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-11-24 22:59:08,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-11-24 22:59:08,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:08,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-11-24 22:59:08,108 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-11-24 22:59:08,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:59:08,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:08,109 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:08,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:59:08,111 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:59:08,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-11-24 22:59:08,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:08,447 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:59:08,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:08,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:59:08,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:09,112 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-11-24 22:59:09,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2023-11-24 22:59:09,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:09,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-11-24 22:59:09,120 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-11-24 22:59:09,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:59:09,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:09,121 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:09,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:59:09,123 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:59:09,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-11-24 22:59:09,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:09,425 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:59:09,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:09,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:59:09,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:10,068 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-11-24 22:59:10,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2023-11-24 22:59:10,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:10,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-11-24 22:59:10,077 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-11-24 22:59:10,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:59:10,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:10,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:10,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:59:10,081 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:59:10,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-11-24 22:59:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:10,366 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:59:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:10,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:59:10,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:11,036 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-11-24 22:59:11,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-11-24 22:59:11,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:11,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-11-24 22:59:11,044 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-11-24 22:59:11,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:59:11,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:11,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:11,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:59:11,052 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:59:11,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-11-24 22:59:11,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:11,352 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:59:11,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:11,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:59:11,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:12,160 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-11-24 22:59:12,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2023-11-24 22:59:12,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:12,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-11-24 22:59:12,173 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-11-24 22:59:12,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:59:12,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:12,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:12,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:59:12,176 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:59:12,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-11-24 22:59:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:12,481 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:59:12,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:12,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:59:12,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:13,129 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-11-24 22:59:13,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-11-24 22:59:13,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:13,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-11-24 22:59:13,137 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-11-24 22:59:13,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:59:13,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:13,138 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:13,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:59:13,143 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:59:13,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-11-24 22:59:13,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:13,447 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:59:13,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:13,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:59:13,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:14,249 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-11-24 22:59:14,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-11-24 22:59:14,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:14,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-11-24 22:59:14,259 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-11-24 22:59:14,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:59:14,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:14,266 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:14,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:59:14,267 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:59:14,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-11-24 22:59:14,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:14,663 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:59:14,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:14,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:59:14,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:15,434 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-11-24 22:59:15,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2023-11-24 22:59:15,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:15,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-11-24 22:59:15,442 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-11-24 22:59:15,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:59:15,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:15,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:15,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:59:15,444 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:59:15,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-11-24 22:59:15,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:15,750 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:59:15,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:15,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:59:15,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:16,464 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-11-24 22:59:16,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2023-11-24 22:59:16,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:16,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-11-24 22:59:16,471 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-11-24 22:59:16,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:59:16,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:16,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:16,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:59:16,474 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:59:16,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-11-24 22:59:16,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:16,765 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:59:16,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:16,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:59:16,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:17,462 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-11-24 22:59:17,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2023-11-24 22:59:17,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:17,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-11-24 22:59:17,468 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-11-24 22:59:17,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:59:17,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:17,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:17,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:59:17,470 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:59:17,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddc2fbac-04c3-44b8-9ca7-5c9d3e69198d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process