./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p08.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p08.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV --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 3888704d5a955b45281a90f2156d0109c7e11fdda93c54cd78435365c9c632be --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:49:38,711 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:49:38,786 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-11 23:49:38,796 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:49:38,799 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:49:38,852 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:49:38,854 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:49:38,855 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:49:38,856 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:49:38,863 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:49:38,864 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:49:38,864 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:49:38,865 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:49:38,867 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:49:38,867 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:49:38,868 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:49:38,868 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:49:38,869 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:49:38,869 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:49:38,869 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:49:38,870 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:49:38,871 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:49:38,871 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:49:38,872 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:49:38,872 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:49:38,872 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:49:38,873 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:49:38,873 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:49:38,873 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:49:38,874 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_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3888704d5a955b45281a90f2156d0109c7e11fdda93c54cd78435365c9c632be [2023-11-11 23:49:39,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:49:39,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:49:39,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:49:39,147 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:49:39,148 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:49:39,150 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p08.c [2023-11-11 23:49:42,338 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:49:42,564 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:49:42,565 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p08.c [2023-11-11 23:49:42,585 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/data/576a9b8de/7048a1b284c44e36b55ee14205f8b72f/FLAG1b3897b5b [2023-11-11 23:49:42,602 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/data/576a9b8de/7048a1b284c44e36b55ee14205f8b72f [2023-11-11 23:49:42,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:49:42,606 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:49:42,608 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:49:42,608 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:49:42,613 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:49:42,614 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:49:42" (1/1) ... [2023-11-11 23:49:42,615 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3138912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:42, skipping insertion in model container [2023-11-11 23:49:42,616 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:49:42" (1/1) ... [2023-11-11 23:49:42,649 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:49:42,810 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_8a0bbfd7-2c65-474d-99ca-69930062e665/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p08.c[1266,1279] [2023-11-11 23:49:42,893 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:49:42,908 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:49:42,918 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_8a0bbfd7-2c65-474d-99ca-69930062e665/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p08.c[1266,1279] [2023-11-11 23:49:42,997 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:49:43,013 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:49:43,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:43 WrapperNode [2023-11-11 23:49:43,014 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:49:43,016 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:49:43,016 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:49:43,016 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:49:43,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:43" (1/1) ... [2023-11-11 23:49:43,041 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:43" (1/1) ... [2023-11-11 23:49:43,113 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 449 [2023-11-11 23:49:43,113 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:49:43,114 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:49:43,114 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:49:43,114 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:49:43,133 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:43" (1/1) ... [2023-11-11 23:49:43,133 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:43" (1/1) ... [2023-11-11 23:49:43,153 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:43" (1/1) ... [2023-11-11 23:49:43,153 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:43" (1/1) ... [2023-11-11 23:49:43,177 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:43" (1/1) ... [2023-11-11 23:49:43,182 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:43" (1/1) ... [2023-11-11 23:49:43,187 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:43" (1/1) ... [2023-11-11 23:49:43,193 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:43" (1/1) ... [2023-11-11 23:49:43,205 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:49:43,206 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:49:43,206 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:49:43,206 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:49:43,207 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:43" (1/1) ... [2023-11-11 23:49:43,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:49:43,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:49:43,261 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:49:43,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:49:43,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:49:43,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:49:43,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:49:43,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:49:43,489 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:49:43,491 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:49:44,180 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:49:44,762 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:49:44,762 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:49:44,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:49:44 BoogieIcfgContainer [2023-11-11 23:49:44,767 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:49:44,769 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:49:44,769 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:49:44,780 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:49:44,781 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:49:44" (1/1) ... [2023-11-11 23:49:44,795 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:49:44,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:44,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-11 23:49:44,870 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-11 23:49:44,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:49:44,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:44,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:49:45,373 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:49:45,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:49:45,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:49:45,845 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:49:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:49:45,995 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-11 23:49:46,030 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-11 23:49:46,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:49:46 ImpRootNode [2023-11-11 23:49:46,038 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:49:46,039 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:49:46,039 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:49:46,040 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:49:46,040 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:49:44" (3/4) ... [2023-11-11 23:49:46,043 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-11 23:49:46,044 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:49:46,045 INFO L158 Benchmark]: Toolchain (without parser) took 3439.28ms. Allocated memory was 159.4MB in the beginning and 201.3MB in the end (delta: 41.9MB). Free memory was 112.8MB in the beginning and 135.8MB in the end (delta: -23.0MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2023-11-11 23:49:46,046 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 59.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:49:46,047 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.29ms. Allocated memory is still 159.4MB. Free memory was 112.8MB in the beginning and 96.6MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-11 23:49:46,047 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.82ms. Allocated memory is still 159.4MB. Free memory was 96.6MB in the beginning and 89.2MB in the end (delta: 7.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-11 23:49:46,048 INFO L158 Benchmark]: Boogie Preprocessor took 90.94ms. Allocated memory is still 159.4MB. Free memory was 89.2MB in the beginning and 86.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:49:46,049 INFO L158 Benchmark]: RCFGBuilder took 1561.55ms. Allocated memory is still 159.4MB. Free memory was 85.5MB in the beginning and 67.0MB in the end (delta: 18.5MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. [2023-11-11 23:49:46,050 INFO L158 Benchmark]: CodeCheck took 1269.99ms. Allocated memory was 159.4MB in the beginning and 201.3MB in the end (delta: 41.9MB). Free memory was 67.0MB in the beginning and 136.8MB in the end (delta: -69.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:49:46,050 INFO L158 Benchmark]: Witness Printer took 5.17ms. Allocated memory is still 201.3MB. Free memory was 136.8MB in the beginning and 135.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:49:46,054 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: 0.0s 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 136, overapproximation of bitwiseAnd at line 123. 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 - 8); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (8 - 1); [L32] const SORT_10 mask_SORT_10 = (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 32); [L33] const SORT_10 msb_SORT_10 = (SORT_10)1 << (32 - 1); [L35] const SORT_31 mask_SORT_31 = (SORT_31)-1 >> (sizeof(SORT_31) * 8 - 4); [L36] const SORT_31 msb_SORT_31 = (SORT_31)1 << (4 - 1); [L38] const SORT_67 mask_SORT_67 = (SORT_67)-1 >> (sizeof(SORT_67) * 8 - 10); [L39] const SORT_67 msb_SORT_67 = (SORT_67)1 << (10 - 1); [L41] const SORT_1 var_7 = 0; [L42] const SORT_10 var_12 = 0; [L43] const SORT_1 var_21 = 1; [L45] SORT_1 input_2; [L46] SORT_3 input_4; [L47] SORT_1 input_5; [L48] SORT_1 input_6; [L49] SORT_1 input_29; [L50] SORT_31 input_32; [L51] SORT_31 input_34; [L52] SORT_1 input_36; [L53] SORT_1 input_38; [L54] SORT_1 input_42; [L55] SORT_1 input_44; [L56] SORT_1 input_46; [L57] SORT_1 input_48; [L58] SORT_3 input_50; [L59] SORT_1 input_53; [L60] SORT_1 input_55; [L61] SORT_1 input_59; [L62] SORT_1 input_63; [L63] SORT_1 input_65; [L64] SORT_67 input_68; [L65] SORT_1 input_70; [L66] SORT_1 input_72; [L67] SORT_1 input_78; [L68] SORT_1 input_85; [L69] SORT_1 input_91; [L71] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L71] SORT_1 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L72] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L72] SORT_1 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L73] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L74] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L75] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L76] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L77] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L79] SORT_1 init_9_arg_1 = var_7; [L80] state_8 = init_9_arg_1 [L81] SORT_1 init_15_arg_1 = var_7; [L82] state_14 = init_15_arg_1 [L83] SORT_1 init_26_arg_1 = var_7; [L84] state_25 = init_26_arg_1 [L85] SORT_1 init_28_arg_1 = var_7; [L86] state_27 = init_28_arg_1 [L87] SORT_1 init_41_arg_1 = var_7; [L88] state_40 = init_41_arg_1 [L89] SORT_1 init_58_arg_1 = var_7; [L90] state_57 = init_58_arg_1 [L91] SORT_1 init_62_arg_1 = var_7; [L92] state_61 = init_62_arg_1 VAL [init_15_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_41_arg_1=0, init_58_arg_1=0, init_62_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_31=15, mask_SORT_3=255, mask_SORT_67=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_31=8, msb_SORT_3=128, msb_SORT_67=512, state_14=0, state_25=0, state_27=0, state_40=0, state_57=0, state_61=0, state_8=0, var_12=0, var_21=1, var_7=0] [L95] input_2 = __VERIFIER_nondet_uchar() [L96] input_4 = __VERIFIER_nondet_uchar() [L97] input_5 = __VERIFIER_nondet_uchar() [L98] input_6 = __VERIFIER_nondet_uchar() [L99] input_29 = __VERIFIER_nondet_uchar() [L100] input_32 = __VERIFIER_nondet_uchar() [L101] input_34 = __VERIFIER_nondet_uchar() [L102] input_36 = __VERIFIER_nondet_uchar() [L103] input_38 = __VERIFIER_nondet_uchar() [L104] input_42 = __VERIFIER_nondet_uchar() [L105] input_44 = __VERIFIER_nondet_uchar() [L106] input_46 = __VERIFIER_nondet_uchar() [L107] input_48 = __VERIFIER_nondet_uchar() [L108] input_50 = __VERIFIER_nondet_uchar() [L109] input_53 = __VERIFIER_nondet_uchar() [L110] input_55 = __VERIFIER_nondet_uchar() [L111] input_59 = __VERIFIER_nondet_uchar() [L112] input_63 = __VERIFIER_nondet_uchar() [L113] input_65 = __VERIFIER_nondet_uchar() [L114] input_68 = __VERIFIER_nondet_ushort() [L115] input_70 = __VERIFIER_nondet_uchar() [L116] input_72 = __VERIFIER_nondet_uchar() [L117] input_78 = __VERIFIER_nondet_uchar() [L118] input_85 = __VERIFIER_nondet_uchar() [L119] input_91 = __VERIFIER_nondet_uchar() [L122] SORT_1 var_11_arg_0 = state_8; [L123] EXPR var_11_arg_0 & mask_SORT_1 [L123] var_11_arg_0 = var_11_arg_0 & mask_SORT_1 [L124] SORT_10 var_11 = var_11_arg_0; [L125] SORT_10 var_13_arg_0 = var_11; [L126] SORT_10 var_13_arg_1 = var_12; [L127] SORT_1 var_13 = var_13_arg_0 == var_13_arg_1; [L128] SORT_1 var_16_arg_0 = state_14; [L129] EXPR var_16_arg_0 & mask_SORT_1 [L129] var_16_arg_0 = var_16_arg_0 & mask_SORT_1 [L130] SORT_10 var_16 = var_16_arg_0; [L131] SORT_10 var_17_arg_0 = var_16; [L132] SORT_10 var_17_arg_1 = var_12; [L133] SORT_1 var_17 = var_17_arg_0 == var_17_arg_1; [L134] SORT_1 var_18_arg_0 = var_13; [L135] SORT_1 var_18_arg_1 = var_17; [L136] EXPR var_18_arg_0 | var_18_arg_1 [L136] SORT_1 var_18 = var_18_arg_0 | var_18_arg_1; [L137] SORT_1 var_22_arg_0 = var_18; [L138] SORT_1 var_22 = ~var_22_arg_0; [L139] SORT_1 var_23_arg_0 = var_21; [L140] SORT_1 var_23_arg_1 = var_22; [L141] EXPR var_23_arg_0 & var_23_arg_1 [L141] SORT_1 var_23 = var_23_arg_0 & var_23_arg_1; [L142] EXPR var_23 & mask_SORT_1 [L142] var_23 = var_23 & mask_SORT_1 [L143] SORT_1 bad_24_arg_0 = var_23; [L144] CALL __VERIFIER_assert(!(bad_24_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 0.36ms. Allocated memory is still 117.4MB. Free memory is still 59.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 407.29ms. Allocated memory is still 159.4MB. Free memory was 112.8MB in the beginning and 96.6MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.82ms. Allocated memory is still 159.4MB. Free memory was 96.6MB in the beginning and 89.2MB in the end (delta: 7.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.94ms. Allocated memory is still 159.4MB. Free memory was 89.2MB in the beginning and 86.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1561.55ms. Allocated memory is still 159.4MB. Free memory was 85.5MB in the beginning and 67.0MB in the end (delta: 18.5MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. * CodeCheck took 1269.99ms. Allocated memory was 159.4MB in the beginning and 201.3MB in the end (delta: 41.9MB). Free memory was 67.0MB in the beginning and 136.8MB in the end (delta: -69.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.17ms. Allocated memory is still 201.3MB. Free memory was 136.8MB in the beginning and 135.8MB 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 [2023-11-11 23:49:46,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p08.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV --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 3888704d5a955b45281a90f2156d0109c7e11fdda93c54cd78435365c9c632be --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:49:48,832 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:49:48,973 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-11 23:49:49,034 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:49:49,035 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:49:49,036 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:49:49,037 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:49:49,038 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:49:49,038 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:49:49,043 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:49:49,044 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:49:49,044 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:49:49,045 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:49:49,047 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:49:49,047 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:49:49,047 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:49:49,048 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:49:49,048 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:49:49,049 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:49:49,050 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:49:49,051 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:49:49,051 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:49:49,052 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:49:49,052 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:49:49,052 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:49:49,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:49:49,053 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:49:49,054 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:49:49,054 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:49:49,054 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:49:49,056 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:49:49,056 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:49:49,056 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:49:49,057 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:49:49,057 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_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3888704d5a955b45281a90f2156d0109c7e11fdda93c54cd78435365c9c632be [2023-11-11 23:49:49,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:49:49,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:49:49,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:49:49,506 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:49:49,506 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:49:49,508 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p08.c [2023-11-11 23:49:52,783 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:49:53,105 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:49:53,108 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p08.c [2023-11-11 23:49:53,122 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/data/0f2852618/9a300f879e574a9bbe9ab15dd3b5d0ad/FLAGaa7f29933 [2023-11-11 23:49:53,142 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/data/0f2852618/9a300f879e574a9bbe9ab15dd3b5d0ad [2023-11-11 23:49:53,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:49:53,151 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:49:53,155 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:49:53,155 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:49:53,161 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:49:53,165 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:49:53" (1/1) ... [2023-11-11 23:49:53,166 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78a639cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:53, skipping insertion in model container [2023-11-11 23:49:53,167 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:49:53" (1/1) ... [2023-11-11 23:49:53,223 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:49:53,390 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_8a0bbfd7-2c65-474d-99ca-69930062e665/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p08.c[1266,1279] [2023-11-11 23:49:53,481 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:49:53,499 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:49:53,521 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_8a0bbfd7-2c65-474d-99ca-69930062e665/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p08.c[1266,1279] [2023-11-11 23:49:53,591 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:49:53,624 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:49:53,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:53 WrapperNode [2023-11-11 23:49:53,625 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:49:53,627 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:49:53,627 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:49:53,627 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:49:53,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:53" (1/1) ... [2023-11-11 23:49:53,676 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:53" (1/1) ... [2023-11-11 23:49:53,716 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 279 [2023-11-11 23:49:53,717 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:49:53,718 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:49:53,718 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:49:53,718 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:49:53,729 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:53" (1/1) ... [2023-11-11 23:49:53,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:53" (1/1) ... [2023-11-11 23:49:53,734 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:53" (1/1) ... [2023-11-11 23:49:53,735 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:53" (1/1) ... [2023-11-11 23:49:53,746 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:53" (1/1) ... [2023-11-11 23:49:53,749 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:53" (1/1) ... [2023-11-11 23:49:53,752 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:53" (1/1) ... [2023-11-11 23:49:53,755 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:53" (1/1) ... [2023-11-11 23:49:53,760 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:49:53,761 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:49:53,761 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:49:53,761 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:49:53,762 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:53" (1/1) ... [2023-11-11 23:49:53,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:49:53,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:49:53,808 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:49:53,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:49:53,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:49:53,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:49:53,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:49:53,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:49:54,017 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:49:54,019 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:49:54,432 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:49:54,508 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:49:54,508 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:49:54,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:49:54 BoogieIcfgContainer [2023-11-11 23:49:54,511 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:49:54,512 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:49:54,512 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:49:54,522 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:49:54,523 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:49:54" (1/1) ... [2023-11-11 23:49:54,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:49:54,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:54,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-11 23:49:54,603 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-11 23:49:54,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:49:54,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:54,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:49:54,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:49:54,610 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:49:54,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-11 23:49:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:54,810 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:49:54,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:54,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-11 23:49:54,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:49:55,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:55,201 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-11 23:49:55,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-11 23:49:55,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:55,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-11 23:49:55,301 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-11 23:49:55,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:49:55,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:55,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:49:55,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:49:55,305 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:49:55,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-11 23:49:55,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:55,525 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:49:55,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:55,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-11 23:49:55,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:49:56,136 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:56,138 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-11 23:49:56,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-11 23:49:56,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:56,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 11 states and 16 transitions. [2023-11-11 23:49:56,667 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 16 transitions. [2023-11-11 23:49:56,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:49:56,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:56,668 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:49:56,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:49:56,673 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:49:56,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-11 23:49:56,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:56,963 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:49:57,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:57,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 57 conjunts are in the unsatisfiable core [2023-11-11 23:49:57,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:49:57,624 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:57,633 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-11 23:49:57,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-11 23:49:58,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:58,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 15 states and 26 transitions. [2023-11-11 23:49:58,628 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 26 transitions. [2023-11-11 23:49:58,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:49:58,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:58,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:49:58,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:49:58,634 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:49:58,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-11 23:49:59,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:59,012 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:49:59,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:59,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 80 conjunts are in the unsatisfiable core [2023-11-11 23:49:59,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:49:59,966 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:59,971 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-11-11 23:49:59,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-11 23:50:01,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:01,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 22 states and 42 transitions. [2023-11-11 23:50:01,836 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 42 transitions. [2023-11-11 23:50:01,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:50:01,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:01,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:50:01,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:50:01,839 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:50:01,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-11 23:50:02,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:02,212 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:50:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:02,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 119 conjunts are in the unsatisfiable core [2023-11-11 23:50:02,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:50:03,395 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:50:03,400 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-11-11 23:50:03,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-11 23:50:04,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:04,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2023-11-11 23:50:04,236 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2023-11-11 23:50:04,236 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-11 23:50:04,236 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2023-11-11 23:50:04,245 INFO L753 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-11 23:50:04,308 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2023-11-11 23:50:04,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:50:04 ImpRootNode [2023-11-11 23:50:04,315 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:50:04,316 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:50:04,316 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:50:04,316 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:50:04,317 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:49:54" (3/4) ... [2023-11-11 23:50:04,319 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-11 23:50:04,333 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-11 23:50:04,334 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-11 23:50:04,335 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-11 23:50:04,335 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-11 23:50:04,516 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:50:04,517 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-11 23:50:04,521 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:50:04,522 INFO L158 Benchmark]: Toolchain (without parser) took 11370.82ms. Allocated memory was 73.4MB in the beginning and 174.1MB in the end (delta: 100.7MB). Free memory was 49.1MB in the beginning and 52.5MB in the end (delta: -3.3MB). Peak memory consumption was 99.7MB. Max. memory is 16.1GB. [2023-11-11 23:50:04,523 INFO L158 Benchmark]: CDTParser took 0.67ms. Allocated memory is still 73.4MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:50:04,523 INFO L158 Benchmark]: CACSL2BoogieTranslator took 471.04ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 48.8MB in the beginning and 73.7MB in the end (delta: -24.9MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2023-11-11 23:50:04,524 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.26ms. Allocated memory is still 96.5MB. Free memory was 73.7MB in the beginning and 70.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:50:04,524 INFO L158 Benchmark]: Boogie Preprocessor took 42.11ms. Allocated memory is still 96.5MB. Free memory was 70.9MB in the beginning and 69.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:50:04,525 INFO L158 Benchmark]: RCFGBuilder took 750.21ms. Allocated memory is still 96.5MB. Free memory was 69.2MB in the beginning and 69.5MB in the end (delta: -372.6kB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2023-11-11 23:50:04,525 INFO L158 Benchmark]: CodeCheck took 9803.42ms. Allocated memory was 96.5MB in the beginning and 174.1MB in the end (delta: 77.6MB). Free memory was 69.5MB in the beginning and 59.8MB in the end (delta: 9.7MB). Peak memory consumption was 87.7MB. Max. memory is 16.1GB. [2023-11-11 23:50:04,525 INFO L158 Benchmark]: Witness Printer took 205.11ms. Allocated memory is still 174.1MB. Free memory was 59.8MB in the beginning and 52.5MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-11 23:50:04,530 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: 9.7s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 101 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 58 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 57 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 333 IncrementalHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 57 mSolverCounterUnsat, 5 mSDtfsCounter, 333 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 529 GetRequests, 446 SyntacticMatches, 11 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2166 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 45 ConstructedInterpolants, 0 QuantifiedInterpolants, 659 SizeOfPredicates, 294 NumberOfNonLiveVariables, 1350 ConjunctsInSsa, 319 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 0/50 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 - PositiveResult [Line: 21]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: (((((((((1 == mask_SORT_1) && (0 == state_27)) && (state_8 == 0)) && (0 == state_40)) && (var_7 == 0)) && (0 == state_57)) && (1 == var_21)) && (0 == state_61)) && (var_12 == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67ms. Allocated memory is still 73.4MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 471.04ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 48.8MB in the beginning and 73.7MB in the end (delta: -24.9MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.26ms. Allocated memory is still 96.5MB. Free memory was 73.7MB in the beginning and 70.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.11ms. Allocated memory is still 96.5MB. Free memory was 70.9MB in the beginning and 69.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 750.21ms. Allocated memory is still 96.5MB. Free memory was 69.2MB in the beginning and 69.5MB in the end (delta: -372.6kB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. * CodeCheck took 9803.42ms. Allocated memory was 96.5MB in the beginning and 174.1MB in the end (delta: 77.6MB). Free memory was 69.5MB in the beginning and 59.8MB in the end (delta: 9.7MB). Peak memory consumption was 87.7MB. Max. memory is 16.1GB. * Witness Printer took 205.11ms. Allocated memory is still 174.1MB. Free memory was 59.8MB in the beginning and 52.5MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-11 23:50:04,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0bbfd7-2c65-474d-99ca-69930062e665/bin/ukojak-verify-0OAaufAVZV/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 Writing output log to file Ultimate.log Result: TRUE