./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bufferAlloc.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_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bufferAlloc.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9 --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 419067b5ad1c50d11f0cfbab5d6575c99441963cff6e7f0dfff88e7c41e5907f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:15:49,783 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:15:49,847 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 04:15:49,851 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:15:49,851 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:15:49,873 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:15:49,874 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:15:49,875 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:15:49,875 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:15:49,876 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:15:49,877 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:15:49,877 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:15:49,878 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:15:49,878 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:15:49,878 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:15:49,879 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:15:49,879 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:15:49,880 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:15:49,880 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:15:49,881 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:15:49,881 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:15:49,882 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:15:49,883 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:15:49,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:15:49,884 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:15:49,884 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:15:49,885 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:15:49,885 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:15:49,885 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:15:49,886 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:15:49,886 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_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 419067b5ad1c50d11f0cfbab5d6575c99441963cff6e7f0dfff88e7c41e5907f [2023-12-03 04:15:50,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:15:50,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:15:50,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:15:50,120 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:15:50,121 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:15:50,122 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bufferAlloc.c [2023-12-03 04:15:52,840 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:15:53,170 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:15:53,170 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bufferAlloc.c [2023-12-03 04:15:53,189 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/data/2cd1f6ef8/a048b8cbfae040369768cfd447fc7dab/FLAGb7994d44b [2023-12-03 04:15:53,204 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/data/2cd1f6ef8/a048b8cbfae040369768cfd447fc7dab [2023-12-03 04:15:53,207 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:15:53,209 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:15:53,210 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:15:53,210 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:15:53,215 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:15:53,216 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:15:53" (1/1) ... [2023-12-03 04:15:53,218 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2783f25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:53, skipping insertion in model container [2023-12-03 04:15:53,218 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:15:53" (1/1) ... [2023-12-03 04:15:53,302 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:15:53,495 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_9bcd97cc-5e3d-441b-8cef-11fde6168a48/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bufferAlloc.c[1262,1275] [2023-12-03 04:15:53,812 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:15:53,819 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:15:53,828 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_9bcd97cc-5e3d-441b-8cef-11fde6168a48/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bufferAlloc.c[1262,1275] [2023-12-03 04:15:53,978 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:15:53,991 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:15:53,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:53 WrapperNode [2023-12-03 04:15:53,992 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:15:53,993 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:15:53,993 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:15:53,993 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:15:54,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:53" (1/1) ... [2023-12-03 04:15:54,050 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:53" (1/1) ... [2023-12-03 04:15:54,293 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3670 [2023-12-03 04:15:54,294 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:15:54,294 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:15:54,294 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:15:54,294 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:15:54,301 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:53" (1/1) ... [2023-12-03 04:15:54,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:53" (1/1) ... [2023-12-03 04:15:54,416 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:53" (1/1) ... [2023-12-03 04:15:54,416 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:53" (1/1) ... [2023-12-03 04:15:54,503 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:53" (1/1) ... [2023-12-03 04:15:54,522 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:53" (1/1) ... [2023-12-03 04:15:54,558 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:53" (1/1) ... [2023-12-03 04:15:54,571 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:53" (1/1) ... [2023-12-03 04:15:54,638 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:15:54,639 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:15:54,639 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:15:54,639 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:15:54,640 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:53" (1/1) ... [2023-12-03 04:15:54,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:15:54,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:15:54,663 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:15:54,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:15:54,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:15:54,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:15:54,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:15:54,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:15:55,078 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:15:55,080 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:15:57,378 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:16:01,872 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:16:01,872 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:16:01,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:16:01 BoogieIcfgContainer [2023-12-03 04:16:01,874 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:16:01,875 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:16:01,875 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:16:01,883 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:16:01,883 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:16:01" (1/1) ... [2023-12-03 04:16:01,890 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:16:01,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:16:01,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 04:16:01,933 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 04:16:01,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:16:01,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:16:01,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:16:02,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:16:02,250 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:16:02,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:16:02,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:16:02,653 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:16:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:16:03,090 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 04:16:03,121 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-03 04:16:03,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:16:03 ImpRootNode [2023-12-03 04:16:03,129 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:16:03,130 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:16:03,130 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:16:03,130 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:16:03,131 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:16:01" (3/4) ... [2023-12-03 04:16:03,133 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 04:16:03,134 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:16:03,136 INFO L158 Benchmark]: Toolchain (without parser) took 9926.73ms. Allocated memory was 163.6MB in the beginning and 778.0MB in the end (delta: 614.5MB). Free memory was 116.7MB in the beginning and 387.0MB in the end (delta: -270.3MB). Peak memory consumption was 344.6MB. Max. memory is 16.1GB. [2023-12-03 04:16:03,137 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 109.1MB. Free memory was 78.8MB in the beginning and 78.7MB in the end (delta: 28.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:16:03,138 INFO L158 Benchmark]: CACSL2BoogieTranslator took 782.16ms. Allocated memory is still 163.6MB. Free memory was 116.7MB in the beginning and 86.4MB in the end (delta: 30.3MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2023-12-03 04:16:03,139 INFO L158 Benchmark]: Boogie Procedure Inliner took 300.66ms. Allocated memory is still 163.6MB. Free memory was 86.4MB in the beginning and 63.3MB in the end (delta: 23.1MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. [2023-12-03 04:16:03,139 INFO L158 Benchmark]: Boogie Preprocessor took 343.95ms. Allocated memory is still 163.6MB. Free memory was 63.3MB in the beginning and 65.5MB in the end (delta: -2.2MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2023-12-03 04:16:03,140 INFO L158 Benchmark]: RCFGBuilder took 7235.49ms. Allocated memory was 163.6MB in the beginning and 778.0MB in the end (delta: 614.5MB). Free memory was 65.5MB in the beginning and 485.6MB in the end (delta: -420.1MB). Peak memory consumption was 525.2MB. Max. memory is 16.1GB. [2023-12-03 04:16:03,141 INFO L158 Benchmark]: CodeCheck took 1254.08ms. Allocated memory is still 778.0MB. Free memory was 485.6MB in the beginning and 387.0MB in the end (delta: 98.6MB). Peak memory consumption was 98.6MB. Max. memory is 16.1GB. [2023-12-03 04:16:03,141 INFO L158 Benchmark]: Witness Printer took 4.80ms. Allocated memory is still 778.0MB. Free memory is still 387.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:16:03,145 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: 1.2s, 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: 0.1s SsaConstructionTime, 0.1s 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 bitwiseAnd at line 137. 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_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 4); [L30] const SORT_4 msb_SORT_4 = (SORT_4)1 << (4 - 1); [L32] const SORT_7 mask_SORT_7 = (SORT_7)-1 >> (sizeof(SORT_7) * 8 - 5); [L33] const SORT_7 msb_SORT_7 = (SORT_7)1 << (5 - 1); [L35] const SORT_22 mask_SORT_22 = (SORT_22)-1 >> (sizeof(SORT_22) * 8 - 32); [L36] const SORT_22 msb_SORT_22 = (SORT_22)1 << (32 - 1); [L38] const SORT_7 var_8 = 0; [L39] const SORT_7 var_11 = 16; [L40] const SORT_1 var_15 = 1; [L41] const SORT_1 var_19 = 0; [L42] const SORT_22 var_23 = 0; [L43] const SORT_22 var_24 = 15; [L44] const SORT_22 var_74 = 14; [L45] const SORT_22 var_92 = 13; [L46] const SORT_22 var_110 = 12; [L47] const SORT_22 var_128 = 11; [L48] const SORT_22 var_146 = 10; [L49] const SORT_22 var_164 = 9; [L50] const SORT_22 var_182 = 8; [L51] const SORT_22 var_200 = 7; [L52] const SORT_22 var_218 = 6; [L53] const SORT_22 var_236 = 5; [L54] const SORT_22 var_254 = 4; [L55] const SORT_22 var_272 = 3; [L56] const SORT_22 var_290 = 2; [L57] const SORT_22 var_308 = 1; [L58] const SORT_4 var_347 = 0; [L59] const SORT_22 var_351 = 16; [L61] SORT_1 input_2; [L62] SORT_1 input_3; [L63] SORT_4 input_5; [L64] SORT_1 input_6; [L65] SORT_1 input_386; [L66] SORT_4 input_388; [L67] SORT_1 input_404; [L68] SORT_4 input_408; [L70] EXPR __VERIFIER_nondet_uchar() & mask_SORT_7 [L70] SORT_7 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_7; [L71] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L71] SORT_1 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L72] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L72] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L73] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L74] SORT_1 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L75] SORT_1 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L76] SORT_1 state_36 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L77] SORT_1 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L78] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L79] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L80] SORT_1 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L81] SORT_1 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L82] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L83] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L84] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L85] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L86] SORT_1 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L87] SORT_1 state_66 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L88] SORT_1 state_345 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 [L89] SORT_4 state_348 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L91] SORT_7 init_10_arg_1 = var_8; [L92] state_9 = init_10_arg_1 [L93] SORT_1 init_21_arg_1 = var_19; [L94] state_20 = init_21_arg_1 [L95] SORT_1 init_26_arg_1 = var_19; [L96] state_25 = init_26_arg_1 [L97] SORT_1 init_28_arg_1 = var_19; [L98] state_27 = init_28_arg_1 [L99] SORT_1 init_31_arg_1 = var_19; [L100] state_30 = init_31_arg_1 [L101] SORT_1 init_33_arg_1 = var_19; [L102] state_32 = init_33_arg_1 [L103] SORT_1 init_37_arg_1 = var_19; [L104] state_36 = init_37_arg_1 [L105] SORT_1 init_39_arg_1 = var_19; [L106] state_38 = init_39_arg_1 [L107] SORT_1 init_42_arg_1 = var_19; [L108] state_41 = init_42_arg_1 [L109] SORT_1 init_44_arg_1 = var_19; [L110] state_43 = init_44_arg_1 [L111] SORT_1 init_49_arg_1 = var_19; [L112] state_48 = init_49_arg_1 [L113] SORT_1 init_51_arg_1 = var_19; [L114] state_50 = init_51_arg_1 [L115] SORT_1 init_54_arg_1 = var_19; [L116] state_53 = init_54_arg_1 [L117] SORT_1 init_56_arg_1 = var_19; [L118] state_55 = init_56_arg_1 [L119] SORT_1 init_60_arg_1 = var_19; [L120] state_59 = init_60_arg_1 [L121] SORT_1 init_62_arg_1 = var_19; [L122] state_61 = init_62_arg_1 [L123] SORT_1 init_65_arg_1 = var_19; [L124] state_64 = init_65_arg_1 [L125] SORT_1 init_67_arg_1 = var_19; [L126] state_66 = init_67_arg_1 [L127] SORT_1 init_346_arg_1 = var_19; [L128] state_345 = init_346_arg_1 [L129] SORT_4 init_349_arg_1 = var_347; [L130] state_348 = init_349_arg_1 VAL [init_10_arg_1=0, init_21_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_346_arg_1=0, init_349_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, mask_SORT_1=1, mask_SORT_22=4294967295, mask_SORT_4=15, mask_SORT_7=31, msb_SORT_1=1, msb_SORT_22=2147483648, msb_SORT_4=8, msb_SORT_7=16, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_345=0, state_348=0, state_36=0, state_38=0, state_41=0, state_43=0, state_48=0, state_50=0, state_53=0, state_55=0, state_59=0, state_61=0, state_64=0, state_66=0, state_9=0, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_347=0, var_351=16, var_74=14, var_8=0, var_92=13] [L133] input_2 = __VERIFIER_nondet_uchar() [L134] input_3 = __VERIFIER_nondet_uchar() [L135] input_5 = __VERIFIER_nondet_uchar() [L136] input_6 = __VERIFIER_nondet_uchar() [L137] EXPR input_6 & mask_SORT_1 [L137] input_6 = input_6 & mask_SORT_1 [L138] input_386 = __VERIFIER_nondet_uchar() [L139] input_388 = __VERIFIER_nondet_uchar() [L140] input_404 = __VERIFIER_nondet_uchar() [L141] input_408 = __VERIFIER_nondet_uchar() [L144] SORT_7 var_12_arg_0 = state_9; [L145] SORT_7 var_12_arg_1 = var_11; [L146] SORT_1 var_12 = var_12_arg_0 <= var_12_arg_1; [L147] SORT_1 var_16_arg_0 = var_12; [L148] SORT_1 var_16 = ~var_16_arg_0; [L149] SORT_1 var_17_arg_0 = var_15; [L150] SORT_1 var_17_arg_1 = var_16; [L151] EXPR var_17_arg_0 & var_17_arg_1 [L151] SORT_1 var_17 = var_17_arg_0 & var_17_arg_1; [L152] EXPR var_17 & mask_SORT_1 [L152] var_17 = var_17 & mask_SORT_1 [L153] SORT_1 bad_18_arg_0 = var_17; [L154] CALL __VERIFIER_assert(!(bad_18_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 0.20ms. Allocated memory is still 109.1MB. Free memory was 78.8MB in the beginning and 78.7MB in the end (delta: 28.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 782.16ms. Allocated memory is still 163.6MB. Free memory was 116.7MB in the beginning and 86.4MB in the end (delta: 30.3MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 300.66ms. Allocated memory is still 163.6MB. Free memory was 86.4MB in the beginning and 63.3MB in the end (delta: 23.1MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 343.95ms. Allocated memory is still 163.6MB. Free memory was 63.3MB in the beginning and 65.5MB in the end (delta: -2.2MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. * RCFGBuilder took 7235.49ms. Allocated memory was 163.6MB in the beginning and 778.0MB in the end (delta: 614.5MB). Free memory was 65.5MB in the beginning and 485.6MB in the end (delta: -420.1MB). Peak memory consumption was 525.2MB. Max. memory is 16.1GB. * CodeCheck took 1254.08ms. Allocated memory is still 778.0MB. Free memory was 485.6MB in the beginning and 387.0MB in the end (delta: 98.6MB). Peak memory consumption was 98.6MB. Max. memory is 16.1GB. * Witness Printer took 4.80ms. Allocated memory is still 778.0MB. Free memory is still 387.0MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 04:16:03,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/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_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bufferAlloc.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9 --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 419067b5ad1c50d11f0cfbab5d6575c99441963cff6e7f0dfff88e7c41e5907f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:16:05,091 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:16:05,162 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 04:16:05,193 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:16:05,194 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:16:05,195 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:16:05,195 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:16:05,196 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:16:05,196 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:16:05,197 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:16:05,198 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:16:05,198 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:16:05,199 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:16:05,199 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:16:05,200 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:16:05,200 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:16:05,201 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:16:05,201 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:16:05,202 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:16:05,202 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:16:05,203 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:16:05,204 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:16:05,205 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:16:05,205 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:16:05,206 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:16:05,206 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:16:05,206 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:16:05,207 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:16:05,207 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:16:05,208 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:16:05,208 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:16:05,208 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:16:05,209 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:16:05,209 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:16:05,209 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_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 419067b5ad1c50d11f0cfbab5d6575c99441963cff6e7f0dfff88e7c41e5907f [2023-12-03 04:16:05,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:16:05,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:16:05,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:16:05,523 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:16:05,523 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:16:05,524 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bufferAlloc.c [2023-12-03 04:16:08,292 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:16:08,625 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:16:08,625 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bufferAlloc.c [2023-12-03 04:16:08,643 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/data/ae5145e25/7f52f7f19ad74eee85d8ad048248673b/FLAG6673bf169 [2023-12-03 04:16:08,658 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/data/ae5145e25/7f52f7f19ad74eee85d8ad048248673b [2023-12-03 04:16:08,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:16:08,662 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:16:08,663 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:16:08,664 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:16:08,668 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:16:08,669 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:16:08" (1/1) ... [2023-12-03 04:16:08,670 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d110591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:16:08, skipping insertion in model container [2023-12-03 04:16:08,670 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:16:08" (1/1) ... [2023-12-03 04:16:08,737 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:16:08,917 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_9bcd97cc-5e3d-441b-8cef-11fde6168a48/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bufferAlloc.c[1262,1275] [2023-12-03 04:16:09,210 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:16:09,222 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:16:09,235 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_9bcd97cc-5e3d-441b-8cef-11fde6168a48/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bufferAlloc.c[1262,1275] [2023-12-03 04:16:09,388 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:16:09,403 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:16:09,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:16:09 WrapperNode [2023-12-03 04:16:09,403 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:16:09,404 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:16:09,405 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:16:09,405 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:16:09,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:16:09" (1/1) ... [2023-12-03 04:16:09,454 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:16:09" (1/1) ... [2023-12-03 04:16:09,541 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1920 [2023-12-03 04:16:09,542 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:16:09,543 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:16:09,543 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:16:09,543 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:16:09,552 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:16:09" (1/1) ... [2023-12-03 04:16:09,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:16:09" (1/1) ... [2023-12-03 04:16:09,567 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:16:09" (1/1) ... [2023-12-03 04:16:09,567 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:16:09" (1/1) ... [2023-12-03 04:16:09,615 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:16:09" (1/1) ... [2023-12-03 04:16:09,622 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:16:09" (1/1) ... [2023-12-03 04:16:09,634 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:16:09" (1/1) ... [2023-12-03 04:16:09,646 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:16:09" (1/1) ... [2023-12-03 04:16:09,664 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:16:09,664 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:16:09,665 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:16:09,665 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:16:09,666 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:16:09" (1/1) ... [2023-12-03 04:16:09,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:16:09,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:16:09,720 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:16:09,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:16:09,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:16:09,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:16:09,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:16:09,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:16:10,103 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:16:10,105 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:16:12,707 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:16:12,836 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:16:12,836 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:16:12,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:16:12 BoogieIcfgContainer [2023-12-03 04:16:12,838 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:16:12,839 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:16:12,839 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:16:12,849 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:16:12,849 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:16:12" (1/1) ... [2023-12-03 04:16:12,858 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:16:12,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:16:12,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 04:16:12,903 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 04:16:12,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:16:12,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:16:12,905 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:16:12,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:16:12,907 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:16:12,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:16:13,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:16:13,513 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:16:13,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:16:13,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 04:16:13,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:16:13,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:16:13,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:16:14,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:16:14,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 04:16:14,054 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 04:16:14,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:16:14,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:16:14,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:16:14,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:16:14,056 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:16:14,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 04:16:15,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:16:15,543 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:16:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:16:16,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 1767 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-03 04:16:16,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:16:16,432 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:16:16,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 04:16:17,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:16:17,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2023-12-03 04:16:17,840 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2023-12-03 04:16:17,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:16:17,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:16:17,842 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:16:17,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:16:17,843 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:16:17,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 04:16:20,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:16:20,265 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:16:21,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:16:21,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 3438 conjuncts, 350 conjunts are in the unsatisfiable core [2023-12-03 04:16:21,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:16:26,713 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:16:26,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 04:16:31,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:16:31,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 18 states and 37 transitions. [2023-12-03 04:16:31,400 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 37 transitions. [2023-12-03 04:16:31,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 04:16:31,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:16:31,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:16:31,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:16:31,402 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:16:31,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 04:16:36,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:16:36,439 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:16:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:16:38,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 5109 conjuncts, 782 conjunts are in the unsatisfiable core [2023-12-03 04:16:38,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:19:16,467 WARN L293 SmtUtils]: Spent 1.91m on a formula simplification. DAG size of input: 362 DAG size of output: 91 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:19:16,515 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:19:16,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 04:19:28,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:19:28,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 27 states and 67 transitions. [2023-12-03 04:19:28,481 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 67 transitions. [2023-12-03 04:19:28,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 04:19:28,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:19:28,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:19:28,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:19:28,483 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:19:28,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bcd97cc-5e3d-441b-8cef-11fde6168a48/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 04:19:33,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:19:33,318 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:19:35,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:19:36,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 5109 conjuncts, 802 conjunts are in the unsatisfiable core [2023-12-03 04:19:36,075 INFO L285 TraceCheckSpWp]: Computing forward predicates...