./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.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_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/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_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/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_63379d81-29a2-4094-a1bc-2d8945afa3c6/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 08ef4c3a1699c030822612f64a82179d2ef28481e12c6ce62efbc901639eabc5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:13:15,855 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:13:15,938 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:13:15,944 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:13:15,944 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:13:15,969 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:13:15,970 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:13:15,970 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:13:15,971 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:13:15,972 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:13:15,972 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:13:15,973 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:13:15,973 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:13:15,974 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:13:15,974 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:13:15,975 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:13:15,976 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:13:15,976 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:13:15,977 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:13:15,977 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:13:15,978 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:13:15,978 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:13:15,979 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:13:15,979 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:13:15,980 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:13:15,981 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:13:15,981 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:15,982 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:13:15,982 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:13:15,982 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:13:15,983 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:13:15,983 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:13:15,984 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:13:15,984 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_63379d81-29a2-4094-a1bc-2d8945afa3c6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08ef4c3a1699c030822612f64a82179d2ef28481e12c6ce62efbc901639eabc5 [2023-11-24 23:13:16,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:13:16,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:13:16,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:13:16,253 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:13:16,254 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:13:16,255 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i [2023-11-24 23:13:19,442 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:13:19,733 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:13:19,735 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i [2023-11-24 23:13:19,746 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/data/0f99e3e78/03abdd4683c744229ab40182e529eb6b/FLAG86763b387 [2023-11-24 23:13:19,771 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/data/0f99e3e78/03abdd4683c744229ab40182e529eb6b [2023-11-24 23:13:19,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:13:19,781 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:13:19,784 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:19,784 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:13:19,790 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:13:19,793 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:19" (1/1) ... [2023-11-24 23:13:19,796 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11b304e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:19, skipping insertion in model container [2023-11-24 23:13:19,796 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:19" (1/1) ... [2023-11-24 23:13:19,838 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:13:19,991 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_63379d81-29a2-4094-a1bc-2d8945afa3c6/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i[915,928] [2023-11-24 23:13:20,024 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:20,037 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:13:20,050 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_63379d81-29a2-4094-a1bc-2d8945afa3c6/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i[915,928] [2023-11-24 23:13:20,065 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:20,082 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:13:20,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:20 WrapperNode [2023-11-24 23:13:20,083 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:20,084 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:20,084 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:13:20,085 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:13:20,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:20" (1/1) ... [2023-11-24 23:13:20,102 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:20" (1/1) ... [2023-11-24 23:13:20,127 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 90 [2023-11-24 23:13:20,127 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:20,128 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:13:20,128 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:13:20,129 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:13:20,139 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:20" (1/1) ... [2023-11-24 23:13:20,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:20" (1/1) ... [2023-11-24 23:13:20,142 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:20" (1/1) ... [2023-11-24 23:13:20,142 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:20" (1/1) ... [2023-11-24 23:13:20,148 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:20" (1/1) ... [2023-11-24 23:13:20,151 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:20" (1/1) ... [2023-11-24 23:13:20,153 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:20" (1/1) ... [2023-11-24 23:13:20,154 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:20" (1/1) ... [2023-11-24 23:13:20,157 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:13:20,158 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:13:20,158 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:13:20,158 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:13:20,159 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:20" (1/1) ... [2023-11-24 23:13:20,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:20,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:13:20,199 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:13:20,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:13:20,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:13:20,240 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:13:20,240 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:13:20,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:13:20,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:13:20,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:13:20,319 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:13:20,321 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:13:20,557 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:13:20,656 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:13:20,656 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:13:20,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:20 BoogieIcfgContainer [2023-11-24 23:13:20,664 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:13:20,665 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:13:20,666 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:13:20,678 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:13:20,678 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:20" (1/1) ... [2023-11-24 23:13:20,690 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:13:20,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:20,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2023-11-24 23:13:20,740 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2023-11-24 23:13:20,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 23:13:20,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:20,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:21,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:21,183 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:13:21,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:21,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:21,742 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:13:21,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:21,853 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:13:21,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:13:21 ImpRootNode [2023-11-24 23:13:21,930 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:13:21,931 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:13:21,931 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:13:21,932 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:13:21,932 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:20" (3/4) ... [2023-11-24 23:13:21,935 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:13:21,937 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:13:21,938 INFO L158 Benchmark]: Toolchain (without parser) took 2156.55ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 102.9MB in the beginning and 104.4MB in the end (delta: -1.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-24 23:13:21,941 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 104.9MB. Free memory is still 59.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:13:21,942 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.19ms. Allocated memory is still 134.2MB. Free memory was 102.9MB in the beginning and 91.1MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:13:21,943 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.51ms. Allocated memory is still 134.2MB. Free memory was 91.1MB in the beginning and 89.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:13:21,945 INFO L158 Benchmark]: Boogie Preprocessor took 28.90ms. Allocated memory is still 134.2MB. Free memory was 89.5MB in the beginning and 88.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:13:21,946 INFO L158 Benchmark]: RCFGBuilder took 506.46ms. Allocated memory is still 134.2MB. Free memory was 87.9MB in the beginning and 70.5MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:13:21,947 INFO L158 Benchmark]: CodeCheck took 1265.12ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 70.5MB in the beginning and 104.4MB in the end (delta: -33.9MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2023-11-24 23:13:21,947 INFO L158 Benchmark]: Witness Printer took 5.89ms. Allocated memory is still 174.1MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:13:21,951 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, 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, 57 NumberOfCodeBlocks, 57 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 72. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 32; [L23] unsigned char var_1_2 = 1; [L24] unsigned long int var_1_3 = 4; [L25] unsigned long int var_1_4 = 64; [L26] unsigned long int var_1_5 = 32; [L27] unsigned long int var_1_6 = 1908995780; [L28] unsigned long int var_1_7 = 0; [L29] double var_1_8 = 1.7; [L30] double var_1_9 = 1.7; [L31] signed short int var_1_10 = -32; [L32] signed short int var_1_11 = -16; [L76] isInitial = 1 [L77] FCALL initially() [L78] COND TRUE 1 [L79] FCALL updateLastVariables() [L80] CALL updateVariables() [L45] var_1_2 = __VERIFIER_nondet_uchar() [L46] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_3=4, var_1_4=64, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L46] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_3=4, var_1_4=64, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L47] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=4, var_1_4=64, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L47] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=4, var_1_4=64, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L48] var_1_3 = __VERIFIER_nondet_ulong() [L49] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_4=64, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L49] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_4=64, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L50] CALL assume_abort_if_not(var_1_3 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=0, var_1_4=64, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L50] RET assume_abort_if_not(var_1_3 <= 4294967294) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=0, var_1_4=64, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L51] var_1_4 = __VERIFIER_nondet_ulong() [L52] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=0, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L52] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=0, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L53] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L53] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L54] var_1_5 = __VERIFIER_nondet_ulong() [L55] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=0, var_1_4=0, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L55] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=0, var_1_4=0, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L56] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L56] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L57] var_1_6 = __VERIFIER_nondet_ulong() [L58] CALL assume_abort_if_not(var_1_6 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L58] RET assume_abort_if_not(var_1_6 >= 1073741823) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L59] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L59] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L60] var_1_7 = __VERIFIER_nondet_ulong() [L61] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L61] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_8=17/10, var_1_9=17/10] [L62] CALL assume_abort_if_not(var_1_7 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not(var_1_7 <= 1073741823) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L63] var_1_9 = __VERIFIER_nondet_double() [L64] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=0, var_1_8=17/10] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=0, var_1_8=17/10] [L65] var_1_11 = __VERIFIER_nondet_short() [L66] CALL assume_abort_if_not(var_1_11 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=0, var_1_1=32, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=0, var_1_8=17/10] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_11 >= -32767) VAL [isInitial=1, var_1_10=-32, var_1_11=0, var_1_1=32, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=0, var_1_8=17/10] [L67] CALL assume_abort_if_not(var_1_11 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=0, var_1_1=32, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=0, var_1_8=17/10] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_11 <= 32766) VAL [isInitial=1, var_1_10=-32, var_1_11=0, var_1_1=32, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=0, var_1_8=17/10] [L80] RET updateVariables() [L81] CALL step() [L36] COND TRUE \read(var_1_2) [L37] var_1_1 = ((((var_1_3) > ((var_1_4 + var_1_5))) ? (var_1_3) : ((var_1_4 + var_1_5)))) [L41] var_1_8 = var_1_9 [L42] var_1_10 = var_1_11 [L81] RET step() [L82] CALL, EXPR property() [L72-L73] return ((var_1_2 ? (var_1_1 == ((unsigned long int) ((((var_1_3) > ((var_1_4 + var_1_5))) ? (var_1_3) : ((var_1_4 + var_1_5)))))) : (var_1_1 == ((unsigned long int) (3164264966u - ((((var_1_5) < ((var_1_6 - var_1_7))) ? (var_1_5) : ((var_1_6 - var_1_7)))))))) && (var_1_8 == ((double) var_1_9))) && (var_1_10 == ((signed short int) var_1_11)) ; [L82] RET, EXPR property() [L82] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=0, var_1_1=0, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=0, var_1_8=2, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=0, var_1_1=0, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=0, var_1_8=2, var_1_9=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 104.9MB. Free memory is still 59.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 299.19ms. Allocated memory is still 134.2MB. Free memory was 102.9MB in the beginning and 91.1MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.51ms. Allocated memory is still 134.2MB. Free memory was 91.1MB in the beginning and 89.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.90ms. Allocated memory is still 134.2MB. Free memory was 89.5MB in the beginning and 88.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 506.46ms. Allocated memory is still 134.2MB. Free memory was 87.9MB in the beginning and 70.5MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1265.12ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 70.5MB in the beginning and 104.4MB in the end (delta: -33.9MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. * Witness Printer took 5.89ms. Allocated memory is still 174.1MB. Free memory is still 104.4MB. 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 23:13:21,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/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_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/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_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/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_63379d81-29a2-4094-a1bc-2d8945afa3c6/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 08ef4c3a1699c030822612f64a82179d2ef28481e12c6ce62efbc901639eabc5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:13:24,846 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:13:24,983 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 23:13:25,030 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:13:25,032 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:13:25,033 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:13:25,034 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:13:25,034 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:13:25,036 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:13:25,040 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:13:25,041 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:13:25,041 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:13:25,042 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:13:25,044 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:13:25,044 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:13:25,044 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:13:25,045 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:13:25,045 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:13:25,046 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:13:25,047 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:13:25,047 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:13:25,048 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:13:25,049 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:13:25,049 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:13:25,050 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:13:25,050 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:13:25,051 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:13:25,051 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:13:25,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:25,052 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:13:25,054 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:13:25,054 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:13:25,054 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:13:25,055 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:13:25,055 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:13:25,056 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:13:25,056 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:13:25,056 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_63379d81-29a2-4094-a1bc-2d8945afa3c6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08ef4c3a1699c030822612f64a82179d2ef28481e12c6ce62efbc901639eabc5 [2023-11-24 23:13:25,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:13:25,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:13:25,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:13:25,528 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:13:25,528 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:13:25,530 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i [2023-11-24 23:13:28,769 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:13:29,075 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:13:29,076 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i [2023-11-24 23:13:29,091 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/data/9546b812b/b53e1f2e5f094d8f8eb63e8b05500bae/FLAG4a58669c7 [2023-11-24 23:13:29,113 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/data/9546b812b/b53e1f2e5f094d8f8eb63e8b05500bae [2023-11-24 23:13:29,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:13:29,122 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:13:29,127 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:29,128 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:13:29,133 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:13:29,133 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:29" (1/1) ... [2023-11-24 23:13:29,135 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48ab5abf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:29, skipping insertion in model container [2023-11-24 23:13:29,135 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:29" (1/1) ... [2023-11-24 23:13:29,164 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:13:29,316 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_63379d81-29a2-4094-a1bc-2d8945afa3c6/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i[915,928] [2023-11-24 23:13:29,349 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:29,368 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:13:29,382 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_63379d81-29a2-4094-a1bc-2d8945afa3c6/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i[915,928] [2023-11-24 23:13:29,399 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:29,418 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:13:29,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:29 WrapperNode [2023-11-24 23:13:29,419 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:29,421 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:29,421 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:13:29,421 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:13:29,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:29" (1/1) ... [2023-11-24 23:13:29,459 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:29" (1/1) ... [2023-11-24 23:13:29,504 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 89 [2023-11-24 23:13:29,516 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:29,517 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:13:29,517 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:13:29,518 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:13:29,530 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:29" (1/1) ... [2023-11-24 23:13:29,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:29" (1/1) ... [2023-11-24 23:13:29,543 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:29" (1/1) ... [2023-11-24 23:13:29,543 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:29" (1/1) ... [2023-11-24 23:13:29,561 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:29" (1/1) ... [2023-11-24 23:13:29,571 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:29" (1/1) ... [2023-11-24 23:13:29,579 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:29" (1/1) ... [2023-11-24 23:13:29,586 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:29" (1/1) ... [2023-11-24 23:13:29,589 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:13:29,593 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:13:29,595 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:13:29,595 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:13:29,596 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:29" (1/1) ... [2023-11-24 23:13:29,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:29,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:13:29,633 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:13:29,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:13:29,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:13:29,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:13:29,680 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:13:29,681 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:13:29,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:13:29,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:13:29,820 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:13:29,822 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:13:30,166 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:13:30,281 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:13:30,281 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:13:30,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:30 BoogieIcfgContainer [2023-11-24 23:13:30,283 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:13:30,284 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:13:30,285 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:13:30,297 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:13:30,299 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:30" (1/1) ... [2023-11-24 23:13:30,310 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:13:30,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:30,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2023-11-24 23:13:30,380 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2023-11-24 23:13:30,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 23:13:30,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:30,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:13:30,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:13:30,391 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:13:30,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:13:30,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:30,847 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:13:30,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:30,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 23:13:30,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:38,278 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-11-24 23:13:38,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:13:39,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:39,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-11-24 23:13:39,550 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-11-24 23:13:39,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 23:13:39,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:39,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:13:39,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:13:39,555 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:13:39,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-24 23:13:39,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:39,939 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:13:40,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:40,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 23:13:40,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:44,802 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-11-24 23:13:44,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-24 23:13:44,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:44,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-11-24 23:13:44,845 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-11-24 23:13:44,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 23:13:44,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:44,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:13:44,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:13:44,850 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:13:44,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-24 23:13:45,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:45,203 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:13:45,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:45,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 23:13:45,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:49,090 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-11-24 23:13:49,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-11-24 23:13:49,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:49,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-11-24 23:13:49,110 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-11-24 23:13:49,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 23:13:49,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:49,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:13:49,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:13:49,114 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:13:49,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-24 23:13:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:49,497 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:13:49,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:49,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 23:13:49,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:52,899 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-11-24 23:13:52,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-11-24 23:13:52,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:52,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-11-24 23:13:52,918 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-11-24 23:13:52,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 23:13:52,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:52,920 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:13:52,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:13:52,921 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:13:52,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-24 23:13:53,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:53,294 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:13:53,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:53,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 23:13:53,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:56,861 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-11-24 23:13:56,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-24 23:13:56,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:56,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-11-24 23:13:56,891 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-11-24 23:13:56,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 23:13:56,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:56,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:13:56,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:13:56,900 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:13:56,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-24 23:13:57,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:57,225 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:13:57,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:57,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 23:13:57,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:14:00,607 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-11-24 23:14:00,610 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:14:00,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-24 23:14:00,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:14:00,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-11-24 23:14:00,624 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-11-24 23:14:00,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 23:14:00,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:14:00,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:14:00,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:14:00,628 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:14:00,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-24 23:14:01,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:01,110 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:14:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:01,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 23:14:01,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:14:04,429 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-11-24 23:14:04,431 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:14:04,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-11-24 23:14:04,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:14:04,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-11-24 23:14:04,446 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-11-24 23:14:04,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 23:14:04,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:14:04,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:14:04,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:14:04,450 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:14:04,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-24 23:14:04,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:04,806 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:14:04,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:04,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 23:14:04,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:14:08,036 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-11-24 23:14:08,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-11-24 23:14:08,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:14:08,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-11-24 23:14:08,049 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-11-24 23:14:08,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 23:14:08,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:14:08,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:14:08,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:14:08,060 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:14:08,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63379d81-29a2-4094-a1bc-2d8945afa3c6/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-24 23:14:08,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:08,389 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:14:08,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:08,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 23:14:08,457 INFO L285 TraceCheckSpWp]: Computing forward predicates...