./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p05.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63743b5-8fc4-4506-9441-a021a0c48e6c/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63743b5-8fc4-4506-9441-a021a0c48e6c/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_d63743b5-8fc4-4506-9441-a021a0c48e6c/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63743b5-8fc4-4506-9441-a021a0c48e6c/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p05.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63743b5-8fc4-4506-9441-a021a0c48e6c/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63743b5-8fc4-4506-9441-a021a0c48e6c/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 64bit --witnessprinter.graph.data.programhash 0566765eaff6c3202082c0158f35b834bab7b3ce60f20a1eebf1eb36cc13f11e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:51:08,967 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:51:09,085 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63743b5-8fc4-4506-9441-a021a0c48e6c/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-24 22:51:09,096 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:51:09,097 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:51:09,143 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:51:09,144 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:51:09,144 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:51:09,146 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:51:09,153 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:51:09,154 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:51:09,154 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:51:09,155 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:51:09,157 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:51:09,157 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:51:09,158 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:51:09,158 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:51:09,159 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:51:09,159 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:51:09,160 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:51:09,161 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:51:09,161 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:51:09,162 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:51:09,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:09,163 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:51:09,163 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:51:09,164 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:51:09,164 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:51:09,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:51:09,165 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:51:09,167 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_d63743b5-8fc4-4506-9441-a021a0c48e6c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63743b5-8fc4-4506-9441-a021a0c48e6c/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0566765eaff6c3202082c0158f35b834bab7b3ce60f20a1eebf1eb36cc13f11e [2023-11-24 22:51:09,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:51:09,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:51:09,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:51:09,587 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:51:09,587 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:51:09,589 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63743b5-8fc4-4506-9441-a021a0c48e6c/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p05.c [2023-11-24 22:51:12,737 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:51:13,049 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:51:13,050 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63743b5-8fc4-4506-9441-a021a0c48e6c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p05.c [2023-11-24 22:51:13,070 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63743b5-8fc4-4506-9441-a021a0c48e6c/bin/ukojak-verify-afCqCEvfdi/data/e0355ed74/3134d7a075db44508a1d0e78e87cb363/FLAG4b16bd2d2 [2023-11-24 22:51:13,090 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63743b5-8fc4-4506-9441-a021a0c48e6c/bin/ukojak-verify-afCqCEvfdi/data/e0355ed74/3134d7a075db44508a1d0e78e87cb363 [2023-11-24 22:51:13,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:51:13,101 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:51:13,103 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:13,103 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:51:13,109 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:51:13,112 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:13" (1/1) ... [2023-11-24 22:51:13,113 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ebcc50d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:13, skipping insertion in model container [2023-11-24 22:51:13,114 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:13" (1/1) ... [2023-11-24 22:51:13,171 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:51:13,382 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_d63743b5-8fc4-4506-9441-a021a0c48e6c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p05.c[1259,1272] [2023-11-24 22:51:13,699 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:13,716 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:51:13,726 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_d63743b5-8fc4-4506-9441-a021a0c48e6c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p05.c[1259,1272] [2023-11-24 22:51:13,951 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:13,970 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:51:13,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:13 WrapperNode [2023-11-24 22:51:13,971 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:13,973 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:13,973 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:51:13,973 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:51:14,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:13" (1/1) ... [2023-11-24 22:51:14,112 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:13" (1/1) ... [2023-11-24 22:51:14,382 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2428 [2023-11-24 22:51:14,382 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:14,383 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:51:14,383 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:51:14,383 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:51:14,394 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:13" (1/1) ... [2023-11-24 22:51:14,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:13" (1/1) ... [2023-11-24 22:51:14,438 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:13" (1/1) ... [2023-11-24 22:51:14,439 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:13" (1/1) ... [2023-11-24 22:51:14,545 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:13" (1/1) ... [2023-11-24 22:51:14,558 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:13" (1/1) ... [2023-11-24 22:51:14,597 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:13" (1/1) ... [2023-11-24 22:51:14,618 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:13" (1/1) ... [2023-11-24 22:51:14,671 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:51:14,673 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:51:14,673 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:51:14,673 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:51:14,674 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:13" (1/1) ... [2023-11-24 22:51:14,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:14,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63743b5-8fc4-4506-9441-a021a0c48e6c/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:51:14,710 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63743b5-8fc4-4506-9441-a021a0c48e6c/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:51:14,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63743b5-8fc4-4506-9441-a021a0c48e6c/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:51:14,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:51:14,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:51:14,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:51:14,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:51:15,159 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:51:15,161 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:51:17,508 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:51:22,079 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:51:22,080 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:51:22,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:22 BoogieIcfgContainer [2023-11-24 22:51:22,082 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:51:22,084 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:51:22,084 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:51:22,096 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:51:22,096 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:22" (1/1) ... [2023-11-24 22:51:22,107 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:51:22,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:22,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-24 22:51:22,179 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-24 22:51:22,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:51:22,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:22,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:22,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:51:22,806 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:51:23,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:51:23,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:51:23,491 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:51:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:51:23,906 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:51:23,968 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-24 22:51:23,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:51:23 ImpRootNode [2023-11-24 22:51:23,982 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:51:23,985 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:51:23,985 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:51:23,986 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:51:23,986 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:22" (3/4) ... [2023-11-24 22:51:23,991 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:51:23,993 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:51:23,995 INFO L158 Benchmark]: Toolchain (without parser) took 10892.93ms. Allocated memory was 165.7MB in the beginning and 419.4MB in the end (delta: 253.8MB). Free memory was 119.4MB in the beginning and 253.1MB in the end (delta: -133.8MB). Peak memory consumption was 121.5MB. Max. memory is 16.1GB. [2023-11-24 22:51:23,996 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 123.7MB. Free memory was 91.8MB in the beginning and 91.8MB in the end (delta: 29.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:51:23,998 INFO L158 Benchmark]: CACSL2BoogieTranslator took 868.92ms. Allocated memory is still 165.7MB. Free memory was 119.4MB in the beginning and 74.8MB in the end (delta: 44.6MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-24 22:51:23,999 INFO L158 Benchmark]: Boogie Procedure Inliner took 409.70ms. Allocated memory is still 165.7MB. Free memory was 74.8MB in the beginning and 82.3MB in the end (delta: -7.5MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2023-11-24 22:51:24,000 INFO L158 Benchmark]: Boogie Preprocessor took 288.76ms. Allocated memory is still 165.7MB. Free memory was 82.3MB in the beginning and 65.3MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 22:51:24,004 INFO L158 Benchmark]: RCFGBuilder took 7409.94ms. Allocated memory was 165.7MB in the beginning and 419.4MB in the end (delta: 253.8MB). Free memory was 65.3MB in the beginning and 143.7MB in the end (delta: -78.4MB). Peak memory consumption was 220.4MB. Max. memory is 16.1GB. [2023-11-24 22:51:24,005 INFO L158 Benchmark]: CodeCheck took 1898.93ms. Allocated memory is still 419.4MB. Free memory was 143.7MB in the beginning and 254.2MB in the end (delta: -110.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:51:24,005 INFO L158 Benchmark]: Witness Printer took 8.22ms. Allocated memory is still 419.4MB. Free memory was 254.2MB in the beginning and 253.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:51:24,018 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 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: 21]: 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 bitwiseOr at line 167, overapproximation of bitwiseAnd at line 149. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 5); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (5 - 1); [L32] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 12); [L33] const SORT_5 msb_SORT_5 = (SORT_5)1 << (12 - 1); [L35] const SORT_10 mask_SORT_10 = (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 2); [L36] const SORT_10 msb_SORT_10 = (SORT_10)1 << (2 - 1); [L38] const SORT_14 mask_SORT_14 = (SORT_14)-1 >> (sizeof(SORT_14) * 8 - 3); [L39] const SORT_14 msb_SORT_14 = (SORT_14)1 << (3 - 1); [L41] const SORT_96 mask_SORT_96 = (SORT_96)-1 >> (sizeof(SORT_96) * 8 - 4); [L42] const SORT_96 msb_SORT_96 = (SORT_96)1 << (4 - 1); [L44] const SORT_145 mask_SORT_145 = (SORT_145)-1 >> (sizeof(SORT_145) * 8 - 32); [L45] const SORT_145 msb_SORT_145 = (SORT_145)1 << (32 - 1); [L47] const SORT_5 var_7 = 0; [L48] const SORT_14 var_15 = 0; [L49] const SORT_10 var_19 = 0; [L50] const SORT_3 var_21 = 0; [L51] const SORT_1 var_31 = 1; [L52] const SORT_1 var_37 = 0; [L53] const SORT_14 var_55 = 2; [L54] const SORT_14 var_59 = 1; [L55] const SORT_14 var_64 = 4; [L56] const SORT_14 var_66 = 5; [L57] const SORT_14 var_70 = 3; [L58] const SORT_14 var_113 = 7; [L59] const SORT_14 var_118 = 6; [L60] const SORT_145 var_147 = 0; [L61] const SORT_3 var_162 = 2; [L62] const SORT_3 var_184 = 31; [L64] SORT_1 input_2; [L65] SORT_3 input_4; [L66] SORT_5 input_6; [L67] SORT_3 input_173; [L68] SORT_3 input_174; [L69] SORT_3 input_175; [L70] SORT_3 input_183; [L71] SORT_3 input_192; [L72] SORT_3 input_193; [L73] SORT_3 input_194; [L74] SORT_3 input_197; [L75] SORT_3 input_216; [L76] SORT_3 input_217; [L77] SORT_3 input_218; [L78] SORT_3 input_221; [L79] SORT_3 input_223; [L80] SORT_10 input_237; [L81] SORT_10 input_238; [L82] SORT_10 input_239; [L84] EXPR __VERIFIER_nondet_ushort() & mask_SORT_5 [L84] SORT_5 state_8 = __VERIFIER_nondet_ushort() & mask_SORT_5; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_14 [L85] SORT_14 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_14; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L86] SORT_3 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L87] SORT_3 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L88] SORT_3 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L89] SORT_1 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L90] SORT_3 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L91] SORT_3 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L92] SORT_3 state_44 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L93] SORT_3 state_46 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L94] SORT_3 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L95] SORT_3 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L96] SORT_3 state_52 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L98] SORT_5 init_9_arg_1 = var_7; [L99] state_8 = init_9_arg_1 [L100] SORT_14 init_17_arg_1 = var_15; [L101] state_16 = init_17_arg_1 [L102] SORT_3 init_23_arg_1 = var_21; [L103] state_22 = init_23_arg_1 [L104] SORT_3 init_25_arg_1 = var_21; [L105] state_24 = init_25_arg_1 [L106] SORT_3 init_36_arg_1 = var_21; [L107] state_35 = init_36_arg_1 [L108] SORT_1 init_39_arg_1 = var_37; [L109] state_38 = init_39_arg_1 [L110] SORT_3 init_41_arg_1 = var_21; [L111] state_40 = init_41_arg_1 [L112] SORT_3 init_43_arg_1 = var_21; [L113] state_42 = init_43_arg_1 [L114] SORT_3 init_45_arg_1 = var_21; [L115] state_44 = init_45_arg_1 [L116] SORT_3 init_47_arg_1 = var_21; [L117] state_46 = init_47_arg_1 [L118] SORT_3 init_49_arg_1 = var_21; [L119] state_48 = init_49_arg_1 [L120] SORT_3 init_51_arg_1 = var_21; [L121] state_50 = init_51_arg_1 [L122] SORT_3 init_53_arg_1 = var_21; [L123] state_52 = init_53_arg_1 VAL [init_17_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_36_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_9_arg_1=0, mask_SORT_10=3, mask_SORT_145=4294967295, mask_SORT_14=7, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_96=15, msb_SORT_10=2, msb_SORT_145=2147483648, msb_SORT_14=4, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_96=8, state_16=0, state_22=0, state_24=0, state_35=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_8=0, var_113=7, var_118=6, var_147=0, var_15=0, var_162=2, var_184=31, var_19=0, var_21=0, var_31=1, var_37=0, var_55=2, var_59=1, var_64=4, var_66=5, var_70=3, var_7=0] [L126] input_2 = __VERIFIER_nondet_uchar() [L127] input_4 = __VERIFIER_nondet_uchar() [L128] input_6 = __VERIFIER_nondet_ushort() [L129] input_173 = __VERIFIER_nondet_uchar() [L130] input_174 = __VERIFIER_nondet_uchar() [L131] input_175 = __VERIFIER_nondet_uchar() [L132] input_183 = __VERIFIER_nondet_uchar() [L133] input_192 = __VERIFIER_nondet_uchar() [L134] input_193 = __VERIFIER_nondet_uchar() [L135] input_194 = __VERIFIER_nondet_uchar() [L136] input_197 = __VERIFIER_nondet_uchar() [L137] input_216 = __VERIFIER_nondet_uchar() [L138] input_217 = __VERIFIER_nondet_uchar() [L139] input_218 = __VERIFIER_nondet_uchar() [L140] input_221 = __VERIFIER_nondet_uchar() [L141] input_223 = __VERIFIER_nondet_uchar() [L142] input_237 = __VERIFIER_nondet_uchar() [L143] input_238 = __VERIFIER_nondet_uchar() [L144] input_239 = __VERIFIER_nondet_uchar() [L147] SORT_5 var_11_arg_0 = state_8; [L148] SORT_10 var_11 = var_11_arg_0 >> 7; [L149] EXPR var_11 & mask_SORT_10 [L149] var_11 = var_11 & mask_SORT_10 [L150] SORT_5 var_12_arg_0 = state_8; [L151] SORT_10 var_12 = var_12_arg_0 >> 5; [L152] EXPR var_12 & mask_SORT_10 [L152] var_12 = var_12 & mask_SORT_10 [L153] SORT_10 var_13_arg_0 = var_11; [L154] SORT_10 var_13_arg_1 = var_12; [L155] SORT_1 var_13 = var_13_arg_0 != var_13_arg_1; [L156] SORT_14 var_18_arg_0 = state_16; [L157] SORT_10 var_18 = var_18_arg_0 >> 1; [L158] EXPR var_18 & mask_SORT_10 [L158] var_18 = var_18 & mask_SORT_10 [L159] SORT_10 var_20_arg_0 = var_18; [L160] SORT_10 var_20_arg_1 = var_19; [L161] SORT_1 var_20 = var_20_arg_0 == var_20_arg_1; [L162] SORT_3 var_26_arg_0 = state_22; [L163] SORT_3 var_26_arg_1 = state_24; [L164] SORT_1 var_26 = var_26_arg_0 == var_26_arg_1; [L165] SORT_1 var_27_arg_0 = var_20; [L166] SORT_1 var_27_arg_1 = var_26; [L167] EXPR var_27_arg_0 | var_27_arg_1 [L167] SORT_1 var_27 = var_27_arg_0 | var_27_arg_1; [L168] SORT_1 var_28_arg_0 = var_13; [L169] SORT_1 var_28_arg_1 = var_27; [L170] EXPR var_28_arg_0 | var_28_arg_1 [L170] SORT_1 var_28 = var_28_arg_0 | var_28_arg_1; [L171] SORT_1 var_32_arg_0 = var_28; [L172] SORT_1 var_32 = ~var_32_arg_0; [L173] SORT_1 var_33_arg_0 = var_31; [L174] SORT_1 var_33_arg_1 = var_32; [L175] EXPR var_33_arg_0 & var_33_arg_1 [L175] SORT_1 var_33 = var_33_arg_0 & var_33_arg_1; [L176] EXPR var_33 & mask_SORT_1 [L176] var_33 = var_33 & mask_SORT_1 [L177] SORT_1 bad_34_arg_0 = var_33; [L178] CALL __VERIFIER_assert(!(bad_34_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 123.7MB. Free memory was 91.8MB in the beginning and 91.8MB in the end (delta: 29.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 868.92ms. Allocated memory is still 165.7MB. Free memory was 119.4MB in the beginning and 74.8MB in the end (delta: 44.6MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 409.70ms. Allocated memory is still 165.7MB. Free memory was 74.8MB in the beginning and 82.3MB in the end (delta: -7.5MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 288.76ms. Allocated memory is still 165.7MB. Free memory was 82.3MB in the beginning and 65.3MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 7409.94ms. Allocated memory was 165.7MB in the beginning and 419.4MB in the end (delta: 253.8MB). Free memory was 65.3MB in the beginning and 143.7MB in the end (delta: -78.4MB). Peak memory consumption was 220.4MB. Max. memory is 16.1GB. * CodeCheck took 1898.93ms. Allocated memory is still 419.4MB. Free memory was 143.7MB in the beginning and 254.2MB in the end (delta: -110.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.22ms. Allocated memory is still 419.4MB. Free memory was 254.2MB in the beginning and 253.1MB in the end (delta: 1.0MB). 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 22:51:24,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63743b5-8fc4-4506-9441-a021a0c48e6c/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63743b5-8fc4-4506-9441-a021a0c48e6c/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63743b5-8fc4-4506-9441-a021a0c48e6c/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_d63743b5-8fc4-4506-9441-a021a0c48e6c/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63743b5-8fc4-4506-9441-a021a0c48e6c/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p05.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63743b5-8fc4-4506-9441-a021a0c48e6c/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63743b5-8fc4-4506-9441-a021a0c48e6c/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 64bit --witnessprinter.graph.data.programhash 0566765eaff6c3202082c0158f35b834bab7b3ce60f20a1eebf1eb36cc13f11e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:51:26,759 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:51:26,848 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63743b5-8fc4-4506-9441-a021a0c48e6c/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-24 22:51:26,887 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:51:26,888 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:51:26,889 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:51:26,890 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:51:26,891 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:51:26,891 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:51:26,892 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:51:26,893 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:51:26,893 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:51:26,894 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:51:26,894 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:51:26,895 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:51:26,896 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:51:26,896 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:51:26,897 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:51:26,897 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:51:26,898 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:51:26,899 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:51:26,899 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:51:26,900 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:51:26,901 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:51:26,901 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:51:26,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:26,903 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:51:26,903 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:51:26,904 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:51:26,904 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:51:26,905 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:51:26,905 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:51:26,906 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:51:26,906 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:51:26,907 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_d63743b5-8fc4-4506-9441-a021a0c48e6c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63743b5-8fc4-4506-9441-a021a0c48e6c/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0566765eaff6c3202082c0158f35b834bab7b3ce60f20a1eebf1eb36cc13f11e [2023-11-24 22:51:27,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:51:27,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:51:27,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:51:27,327 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:51:27,328 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:51:27,330 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63743b5-8fc4-4506-9441-a021a0c48e6c/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p05.c [2023-11-24 22:51:30,599 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:51:30,872 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:51:30,873 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63743b5-8fc4-4506-9441-a021a0c48e6c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p05.c [2023-11-24 22:51:30,895 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63743b5-8fc4-4506-9441-a021a0c48e6c/bin/ukojak-verify-afCqCEvfdi/data/43c6f7e3d/cd81d5dfe860440b8f02b87c9b231b80/FLAG34de1a7d1 [2023-11-24 22:51:30,911 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63743b5-8fc4-4506-9441-a021a0c48e6c/bin/ukojak-verify-afCqCEvfdi/data/43c6f7e3d/cd81d5dfe860440b8f02b87c9b231b80 [2023-11-24 22:51:30,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:51:30,915 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:51:30,936 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:30,936 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:51:30,941 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:51:30,942 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:30" (1/1) ... [2023-11-24 22:51:30,943 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@714956c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:30, skipping insertion in model container [2023-11-24 22:51:30,943 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:30" (1/1) ... [2023-11-24 22:51:31,035 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:51:31,283 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_d63743b5-8fc4-4506-9441-a021a0c48e6c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p05.c[1259,1272] [2023-11-24 22:51:31,668 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:31,697 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:51:31,714 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_d63743b5-8fc4-4506-9441-a021a0c48e6c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p05.c[1259,1272] [2023-11-24 22:51:31,874 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:31,889 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:51:31,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:31 WrapperNode [2023-11-24 22:51:31,890 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:31,891 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:31,891 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:51:31,891 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:51:31,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:31" (1/1) ... [2023-11-24 22:51:31,931 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:31" (1/1) ... [2023-11-24 22:51:32,067 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1084 [2023-11-24 22:51:32,068 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:32,069 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:51:32,069 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:51:32,069 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:51:32,080 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:31" (1/1) ... [2023-11-24 22:51:32,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:31" (1/1) ... [2023-11-24 22:51:32,105 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:31" (1/1) ... [2023-11-24 22:51:32,106 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:31" (1/1) ... [2023-11-24 22:51:32,167 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:31" (1/1) ... [2023-11-24 22:51:32,179 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:31" (1/1) ... [2023-11-24 22:51:32,198 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:31" (1/1) ... [2023-11-24 22:51:32,205 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:31" (1/1) ... [2023-11-24 22:51:32,231 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:51:32,231 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:51:32,232 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:51:32,232 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:51:32,233 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:31" (1/1) ... [2023-11-24 22:51:32,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:32,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63743b5-8fc4-4506-9441-a021a0c48e6c/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:51:32,266 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63743b5-8fc4-4506-9441-a021a0c48e6c/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:51:32,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63743b5-8fc4-4506-9441-a021a0c48e6c/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:51:32,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:51:32,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:51:32,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:51:32,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:51:32,644 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:51:32,646 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:51:34,293 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:51:34,408 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:51:34,408 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:51:34,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:34 BoogieIcfgContainer [2023-11-24 22:51:34,411 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:51:34,412 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:51:34,412 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:51:34,423 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:51:34,423 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:34" (1/1) ... [2023-11-24 22:51:34,433 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:51:34,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:34,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-24 22:51:34,512 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-24 22:51:34,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:51:34,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:34,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:51:34,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63743b5-8fc4-4506-9441-a021a0c48e6c/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:51:34,524 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63743b5-8fc4-4506-9441-a021a0c48e6c/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:51:34,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63743b5-8fc4-4506-9441-a021a0c48e6c/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:51:34,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:34,996 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:51:35,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:35,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-24 22:51:35,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:35,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:35,389 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63743b5-8fc4-4506-9441-a021a0c48e6c/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:51:35,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63743b5-8fc4-4506-9441-a021a0c48e6c/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:51:35,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:35,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-24 22:51:35,680 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-24 22:51:35,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:51:35,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:35,681 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:51:35,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63743b5-8fc4-4506-9441-a021a0c48e6c/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:51:35,683 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63743b5-8fc4-4506-9441-a021a0c48e6c/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:51:35,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63743b5-8fc4-4506-9441-a021a0c48e6c/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-24 22:51:36,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:36,704 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:51:37,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:37,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 932 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-24 22:51:37,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:37,626 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:37,634 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63743b5-8fc4-4506-9441-a021a0c48e6c/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:51:37,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63743b5-8fc4-4506-9441-a021a0c48e6c/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-24 22:51:38,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:38,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 11 states and 16 transitions. [2023-11-24 22:51:38,622 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 16 transitions. [2023-11-24 22:51:38,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:51:38,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:38,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:51:38,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63743b5-8fc4-4506-9441-a021a0c48e6c/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:51:38,625 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63743b5-8fc4-4506-9441-a021a0c48e6c/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:51:38,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63743b5-8fc4-4506-9441-a021a0c48e6c/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-24 22:51:40,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:40,053 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:51:40,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:40,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 1765 conjuncts, 112 conjunts are in the unsatisfiable core [2023-11-24 22:51:40,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:51,081 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:51,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63743b5-8fc4-4506-9441-a021a0c48e6c/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0