./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_bfd55360-8d5e-4ab4-9f58-61cce4649a54/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd55360-8d5e-4ab4-9f58-61cce4649a54/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd55360-8d5e-4ab4-9f58-61cce4649a54/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd55360-8d5e-4ab4-9f58-61cce4649a54/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd55360-8d5e-4ab4-9f58-61cce4649a54/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd55360-8d5e-4ab4-9f58-61cce4649a54/bin/ukojak-verify-G8NBE6pJGL --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 ae5f6e98a9adcbdf5e1e7125ae4ea5d0cf3bfadfc22b5bc300cef6d9a8d4cfbb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:40:18,020 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:40:18,154 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd55360-8d5e-4ab4-9f58-61cce4649a54/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-19 03:40:18,163 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:40:18,164 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:40:18,204 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:40:18,205 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:40:18,205 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:40:18,206 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:40:18,211 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:40:18,212 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:40:18,213 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:40:18,213 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:40:18,215 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:40:18,216 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:40:18,216 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:40:18,216 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:40:18,217 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:40:18,217 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:40:18,218 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:40:18,218 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:40:18,219 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:40:18,220 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:40:18,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:40:18,220 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:40:18,221 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:40:18,221 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:40:18,222 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:40:18,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:40:18,222 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:40:18,224 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_bfd55360-8d5e-4ab4-9f58-61cce4649a54/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd55360-8d5e-4ab4-9f58-61cce4649a54/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae5f6e98a9adcbdf5e1e7125ae4ea5d0cf3bfadfc22b5bc300cef6d9a8d4cfbb [2023-11-19 03:40:18,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:40:18,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:40:18,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:40:18,585 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:40:18,585 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:40:18,586 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd55360-8d5e-4ab4-9f58-61cce4649a54/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c [2023-11-19 03:40:21,689 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:40:21,966 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:40:21,975 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd55360-8d5e-4ab4-9f58-61cce4649a54/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c [2023-11-19 03:40:21,991 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd55360-8d5e-4ab4-9f58-61cce4649a54/bin/ukojak-verify-G8NBE6pJGL/data/eb44e0876/a950949720144cc19fc26103a04ba6f4/FLAGa9557261b [2023-11-19 03:40:22,006 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd55360-8d5e-4ab4-9f58-61cce4649a54/bin/ukojak-verify-G8NBE6pJGL/data/eb44e0876/a950949720144cc19fc26103a04ba6f4 [2023-11-19 03:40:22,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:40:22,014 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:40:22,018 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:40:22,018 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:40:22,023 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:40:22,024 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:40:22" (1/1) ... [2023-11-19 03:40:22,025 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6643ba6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:22, skipping insertion in model container [2023-11-19 03:40:22,025 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:40:22" (1/1) ... [2023-11-19 03:40:22,077 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:40:22,278 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_bfd55360-8d5e-4ab4-9f58-61cce4649a54/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c[1248,1261] [2023-11-19 03:40:22,399 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:40:22,410 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:40:22,422 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_bfd55360-8d5e-4ab4-9f58-61cce4649a54/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c[1248,1261] [2023-11-19 03:40:22,483 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:40:22,499 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:40:22,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:22 WrapperNode [2023-11-19 03:40:22,500 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:40:22,501 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:40:22,501 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:40:22,501 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:40:22,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:22" (1/1) ... [2023-11-19 03:40:22,530 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:22" (1/1) ... [2023-11-19 03:40:22,637 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 626 [2023-11-19 03:40:22,637 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:40:22,638 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:40:22,638 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:40:22,639 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:40:22,654 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:22" (1/1) ... [2023-11-19 03:40:22,655 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:22" (1/1) ... [2023-11-19 03:40:22,688 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:22" (1/1) ... [2023-11-19 03:40:22,690 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:22" (1/1) ... [2023-11-19 03:40:22,760 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:22" (1/1) ... [2023-11-19 03:40:22,767 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:22" (1/1) ... [2023-11-19 03:40:22,795 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:22" (1/1) ... [2023-11-19 03:40:22,810 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:22" (1/1) ... [2023-11-19 03:40:22,843 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:40:22,845 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:40:22,845 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:40:22,845 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:40:22,846 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:22" (1/1) ... [2023-11-19 03:40:22,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:40:22,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd55360-8d5e-4ab4-9f58-61cce4649a54/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:40:22,884 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd55360-8d5e-4ab4-9f58-61cce4649a54/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:40:22,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd55360-8d5e-4ab4-9f58-61cce4649a54/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:40:22,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:40:22,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:40:22,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:40:22,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:40:23,088 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:40:23,090 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:40:23,923 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:40:24,967 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:40:24,968 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:40:24,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:40:24 BoogieIcfgContainer [2023-11-19 03:40:24,973 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:40:24,974 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:40:24,975 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:40:24,985 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:40:24,985 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:40:24" (1/1) ... [2023-11-19 03:40:24,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:40:25,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:25,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-19 03:40:25,052 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-19 03:40:25,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:40:25,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:25,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:28,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:40:28,480 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:40:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:40:33,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:40:33,270 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:40:33,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:40:33,909 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:40:33,970 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-19 03:40:33,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:40:33 ImpRootNode [2023-11-19 03:40:33,997 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:40:33,998 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:40:33,999 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:40:34,000 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:40:34,000 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:40:24" (3/4) ... [2023-11-19 03:40:34,003 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:40:34,005 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:40:34,007 INFO L158 Benchmark]: Toolchain (without parser) took 11991.59ms. Allocated memory was 174.1MB in the beginning and 316.7MB in the end (delta: 142.6MB). Free memory was 129.2MB in the beginning and 225.2MB in the end (delta: -96.0MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2023-11-19 03:40:34,008 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 125.8MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:40:34,009 INFO L158 Benchmark]: CACSL2BoogieTranslator took 482.45ms. Allocated memory is still 174.1MB. Free memory was 129.2MB in the beginning and 110.9MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 03:40:34,010 INFO L158 Benchmark]: Boogie Procedure Inliner took 136.74ms. Allocated memory is still 174.1MB. Free memory was 110.9MB in the beginning and 97.8MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:40:34,011 INFO L158 Benchmark]: Boogie Preprocessor took 205.56ms. Allocated memory is still 174.1MB. Free memory was 97.2MB in the beginning and 92.1MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:40:34,013 INFO L158 Benchmark]: RCFGBuilder took 2128.69ms. Allocated memory was 174.1MB in the beginning and 228.6MB in the end (delta: 54.5MB). Free memory was 92.1MB in the beginning and 131.6MB in the end (delta: -39.5MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. [2023-11-19 03:40:34,014 INFO L158 Benchmark]: CodeCheck took 9022.67ms. Allocated memory was 228.6MB in the beginning and 316.7MB in the end (delta: 88.1MB). Free memory was 131.6MB in the beginning and 225.2MB in the end (delta: -93.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:40:34,014 INFO L158 Benchmark]: Witness Printer took 7.54ms. Allocated memory is still 316.7MB. Free memory is still 225.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:40:34,024 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: 8.9s, 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, 2.2s 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 63, overapproximation of bitwiseAnd at line 75. 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 - 2); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (2 - 1); [L32] const SORT_3 var_4 = 0; [L33] const SORT_1 var_78 = 1; [L35] SORT_1 input_2; [L37] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L37] SORT_3 state_5 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L38] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L38] SORT_3 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L39] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L39] SORT_3 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L40] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L40] SORT_3 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L42] SORT_3 init_6_arg_1 = var_4; [L43] state_5 = init_6_arg_1 [L44] SORT_3 init_9_arg_1 = var_4; [L45] state_8 = init_9_arg_1 [L46] SORT_3 init_26_arg_1 = var_4; [L47] state_25 = init_26_arg_1 [L48] SORT_3 init_44_arg_1 = var_4; [L49] state_43 = init_44_arg_1 VAL [init_26_arg_1=0, init_44_arg_1=0, init_6_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_3=3, msb_SORT_1=1, msb_SORT_3=2, state_25=0, state_43=0, state_5=0, state_8=0, var_4=0, var_78=1] [L52] input_2 = __VERIFIER_nondet_uchar() [L55] SORT_3 var_7_arg_0 = state_5; [L56] SORT_3 var_7_arg_1 = var_4; [L57] SORT_1 var_7 = var_7_arg_0 != var_7_arg_1; [L58] SORT_3 var_10_arg_0 = state_8; [L59] SORT_3 var_10_arg_1 = var_4; [L60] SORT_1 var_10 = var_10_arg_0 == var_10_arg_1; [L61] SORT_1 var_11_arg_0 = var_7; [L62] SORT_1 var_11_arg_1 = var_10; [L63] EXPR var_11_arg_0 | var_11_arg_1 [L63] SORT_1 var_11 = var_11_arg_0 | var_11_arg_1; [L64] SORT_3 var_12_arg_0 = state_5; [L65] SORT_3 var_12_arg_1 = var_4; [L66] SORT_1 var_12 = var_12_arg_0 != var_12_arg_1; [L67] SORT_3 var_13_arg_0 = state_8; [L68] SORT_3 var_13_arg_1 = var_4; [L69] SORT_1 var_13 = var_13_arg_0 == var_13_arg_1; [L70] SORT_1 var_14_arg_0 = var_12; [L71] SORT_1 var_14_arg_1 = var_13; [L72] EXPR var_14_arg_0 | var_14_arg_1 [L72] SORT_1 var_14 = var_14_arg_0 | var_14_arg_1; [L73] SORT_1 var_15_arg_0 = var_11; [L74] SORT_1 var_15_arg_1 = var_14; [L75] EXPR var_15_arg_0 & var_15_arg_1 [L75] SORT_1 var_15 = var_15_arg_0 & var_15_arg_1; [L76] SORT_3 var_16_arg_0 = state_5; [L77] SORT_3 var_16_arg_1 = var_4; [L78] SORT_1 var_16 = var_16_arg_0 != var_16_arg_1; [L79] SORT_3 var_17_arg_0 = state_8; [L80] SORT_3 var_17_arg_1 = var_4; [L81] SORT_1 var_17 = var_17_arg_0 == var_17_arg_1; [L82] SORT_1 var_18_arg_0 = var_16; [L83] SORT_1 var_18_arg_1 = var_17; [L84] EXPR var_18_arg_0 | var_18_arg_1 [L84] SORT_1 var_18 = var_18_arg_0 | var_18_arg_1; [L85] SORT_1 var_19_arg_0 = var_15; [L86] SORT_1 var_19_arg_1 = var_18; [L87] EXPR var_19_arg_0 & var_19_arg_1 [L87] SORT_1 var_19 = var_19_arg_0 & var_19_arg_1; [L88] SORT_3 var_20_arg_0 = state_5; [L89] SORT_3 var_20_arg_1 = var_4; [L90] SORT_1 var_20 = var_20_arg_0 != var_20_arg_1; [L91] SORT_3 var_21_arg_0 = state_8; [L92] SORT_3 var_21_arg_1 = var_4; [L93] SORT_1 var_21 = var_21_arg_0 == var_21_arg_1; [L94] SORT_1 var_22_arg_0 = var_20; [L95] SORT_1 var_22_arg_1 = var_21; [L96] EXPR var_22_arg_0 | var_22_arg_1 [L96] SORT_1 var_22 = var_22_arg_0 | var_22_arg_1; [L97] SORT_1 var_23_arg_0 = var_19; [L98] SORT_1 var_23_arg_1 = var_22; [L99] EXPR var_23_arg_0 & var_23_arg_1 [L99] SORT_1 var_23 = var_23_arg_0 & var_23_arg_1; [L100] SORT_3 var_24_arg_0 = state_8; [L101] SORT_3 var_24_arg_1 = var_4; [L102] SORT_1 var_24 = var_24_arg_0 != var_24_arg_1; [L103] SORT_3 var_27_arg_0 = state_25; [L104] SORT_3 var_27_arg_1 = var_4; [L105] SORT_1 var_27 = var_27_arg_0 == var_27_arg_1; [L106] SORT_1 var_28_arg_0 = var_24; [L107] SORT_1 var_28_arg_1 = var_27; [L108] EXPR var_28_arg_0 | var_28_arg_1 [L108] SORT_1 var_28 = var_28_arg_0 | var_28_arg_1; [L109] SORT_1 var_29_arg_0 = var_23; [L110] SORT_1 var_29_arg_1 = var_28; [L111] EXPR var_29_arg_0 & var_29_arg_1 [L111] SORT_1 var_29 = var_29_arg_0 & var_29_arg_1; [L112] SORT_3 var_30_arg_0 = state_8; [L113] SORT_3 var_30_arg_1 = var_4; [L114] SORT_1 var_30 = var_30_arg_0 != var_30_arg_1; [L115] SORT_3 var_31_arg_0 = state_25; [L116] SORT_3 var_31_arg_1 = var_4; [L117] SORT_1 var_31 = var_31_arg_0 == var_31_arg_1; [L118] SORT_1 var_32_arg_0 = var_30; [L119] SORT_1 var_32_arg_1 = var_31; [L120] EXPR var_32_arg_0 | var_32_arg_1 [L120] SORT_1 var_32 = var_32_arg_0 | var_32_arg_1; [L121] SORT_1 var_33_arg_0 = var_29; [L122] SORT_1 var_33_arg_1 = var_32; [L123] EXPR var_33_arg_0 & var_33_arg_1 [L123] SORT_1 var_33 = var_33_arg_0 & var_33_arg_1; [L124] SORT_3 var_34_arg_0 = state_8; [L125] SORT_3 var_34_arg_1 = var_4; [L126] SORT_1 var_34 = var_34_arg_0 != var_34_arg_1; [L127] SORT_3 var_35_arg_0 = state_25; [L128] SORT_3 var_35_arg_1 = var_4; [L129] SORT_1 var_35 = var_35_arg_0 == var_35_arg_1; [L130] SORT_1 var_36_arg_0 = var_34; [L131] SORT_1 var_36_arg_1 = var_35; [L132] EXPR var_36_arg_0 | var_36_arg_1 [L132] SORT_1 var_36 = var_36_arg_0 | var_36_arg_1; [L133] SORT_1 var_37_arg_0 = var_33; [L134] SORT_1 var_37_arg_1 = var_36; [L135] EXPR var_37_arg_0 & var_37_arg_1 [L135] SORT_1 var_37 = var_37_arg_0 & var_37_arg_1; [L136] SORT_3 var_38_arg_0 = state_8; [L137] SORT_3 var_38_arg_1 = var_4; [L138] SORT_1 var_38 = var_38_arg_0 != var_38_arg_1; [L139] SORT_3 var_39_arg_0 = state_25; [L140] SORT_3 var_39_arg_1 = var_4; [L141] SORT_1 var_39 = var_39_arg_0 == var_39_arg_1; [L142] SORT_1 var_40_arg_0 = var_38; [L143] SORT_1 var_40_arg_1 = var_39; [L144] EXPR var_40_arg_0 | var_40_arg_1 [L144] SORT_1 var_40 = var_40_arg_0 | var_40_arg_1; [L145] SORT_1 var_41_arg_0 = var_37; [L146] SORT_1 var_41_arg_1 = var_40; [L147] EXPR var_41_arg_0 & var_41_arg_1 [L147] SORT_1 var_41 = var_41_arg_0 & var_41_arg_1; [L148] SORT_3 var_42_arg_0 = state_25; [L149] SORT_3 var_42_arg_1 = var_4; [L150] SORT_1 var_42 = var_42_arg_0 != var_42_arg_1; [L151] SORT_3 var_45_arg_0 = state_43; [L152] SORT_3 var_45_arg_1 = var_4; [L153] SORT_1 var_45 = var_45_arg_0 == var_45_arg_1; [L154] SORT_1 var_46_arg_0 = var_42; [L155] SORT_1 var_46_arg_1 = var_45; [L156] EXPR var_46_arg_0 | var_46_arg_1 [L156] SORT_1 var_46 = var_46_arg_0 | var_46_arg_1; [L157] SORT_1 var_47_arg_0 = var_41; [L158] SORT_1 var_47_arg_1 = var_46; [L159] EXPR var_47_arg_0 & var_47_arg_1 [L159] SORT_1 var_47 = var_47_arg_0 & var_47_arg_1; [L160] SORT_3 var_48_arg_0 = state_25; [L161] SORT_3 var_48_arg_1 = var_4; [L162] SORT_1 var_48 = var_48_arg_0 != var_48_arg_1; [L163] SORT_3 var_49_arg_0 = state_43; [L164] SORT_3 var_49_arg_1 = var_4; [L165] SORT_1 var_49 = var_49_arg_0 == var_49_arg_1; [L166] SORT_1 var_50_arg_0 = var_48; [L167] SORT_1 var_50_arg_1 = var_49; [L168] EXPR var_50_arg_0 | var_50_arg_1 [L168] SORT_1 var_50 = var_50_arg_0 | var_50_arg_1; [L169] SORT_1 var_51_arg_0 = var_47; [L170] SORT_1 var_51_arg_1 = var_50; [L171] EXPR var_51_arg_0 & var_51_arg_1 [L171] SORT_1 var_51 = var_51_arg_0 & var_51_arg_1; [L172] SORT_3 var_52_arg_0 = state_25; [L173] SORT_3 var_52_arg_1 = var_4; [L174] SORT_1 var_52 = var_52_arg_0 != var_52_arg_1; [L175] SORT_3 var_53_arg_0 = state_43; [L176] SORT_3 var_53_arg_1 = var_4; [L177] SORT_1 var_53 = var_53_arg_0 == var_53_arg_1; [L178] SORT_1 var_54_arg_0 = var_52; [L179] SORT_1 var_54_arg_1 = var_53; [L180] EXPR var_54_arg_0 | var_54_arg_1 [L180] SORT_1 var_54 = var_54_arg_0 | var_54_arg_1; [L181] SORT_1 var_55_arg_0 = var_51; [L182] SORT_1 var_55_arg_1 = var_54; [L183] EXPR var_55_arg_0 & var_55_arg_1 [L183] SORT_1 var_55 = var_55_arg_0 & var_55_arg_1; [L184] SORT_3 var_56_arg_0 = state_25; [L185] SORT_3 var_56_arg_1 = var_4; [L186] SORT_1 var_56 = var_56_arg_0 != var_56_arg_1; [L187] SORT_3 var_57_arg_0 = state_43; [L188] SORT_3 var_57_arg_1 = var_4; [L189] SORT_1 var_57 = var_57_arg_0 == var_57_arg_1; [L190] SORT_1 var_58_arg_0 = var_56; [L191] SORT_1 var_58_arg_1 = var_57; [L192] EXPR var_58_arg_0 | var_58_arg_1 [L192] SORT_1 var_58 = var_58_arg_0 | var_58_arg_1; [L193] SORT_1 var_59_arg_0 = var_55; [L194] SORT_1 var_59_arg_1 = var_58; [L195] EXPR var_59_arg_0 & var_59_arg_1 [L195] SORT_1 var_59 = var_59_arg_0 & var_59_arg_1; [L196] SORT_3 var_60_arg_0 = state_43; [L197] SORT_3 var_60_arg_1 = var_4; [L198] SORT_1 var_60 = var_60_arg_0 != var_60_arg_1; [L199] SORT_3 var_61_arg_0 = state_5; [L200] SORT_3 var_61_arg_1 = var_4; [L201] SORT_1 var_61 = var_61_arg_0 == var_61_arg_1; [L202] SORT_1 var_62_arg_0 = var_60; [L203] SORT_1 var_62_arg_1 = var_61; [L204] EXPR var_62_arg_0 | var_62_arg_1 [L204] SORT_1 var_62 = var_62_arg_0 | var_62_arg_1; [L205] SORT_1 var_63_arg_0 = var_59; [L206] SORT_1 var_63_arg_1 = var_62; [L207] EXPR var_63_arg_0 & var_63_arg_1 [L207] SORT_1 var_63 = var_63_arg_0 & var_63_arg_1; [L208] SORT_3 var_64_arg_0 = state_43; [L209] SORT_3 var_64_arg_1 = var_4; [L210] SORT_1 var_64 = var_64_arg_0 != var_64_arg_1; [L211] SORT_3 var_65_arg_0 = state_5; [L212] SORT_3 var_65_arg_1 = var_4; [L213] SORT_1 var_65 = var_65_arg_0 == var_65_arg_1; [L214] SORT_1 var_66_arg_0 = var_64; [L215] SORT_1 var_66_arg_1 = var_65; [L216] EXPR var_66_arg_0 | var_66_arg_1 [L216] SORT_1 var_66 = var_66_arg_0 | var_66_arg_1; [L217] SORT_1 var_67_arg_0 = var_63; [L218] SORT_1 var_67_arg_1 = var_66; [L219] EXPR var_67_arg_0 & var_67_arg_1 [L219] SORT_1 var_67 = var_67_arg_0 & var_67_arg_1; [L220] SORT_3 var_68_arg_0 = state_43; [L221] SORT_3 var_68_arg_1 = var_4; [L222] SORT_1 var_68 = var_68_arg_0 != var_68_arg_1; [L223] SORT_3 var_69_arg_0 = state_5; [L224] SORT_3 var_69_arg_1 = var_4; [L225] SORT_1 var_69 = var_69_arg_0 == var_69_arg_1; [L226] SORT_1 var_70_arg_0 = var_68; [L227] SORT_1 var_70_arg_1 = var_69; [L228] EXPR var_70_arg_0 | var_70_arg_1 [L228] SORT_1 var_70 = var_70_arg_0 | var_70_arg_1; [L229] SORT_1 var_71_arg_0 = var_67; [L230] SORT_1 var_71_arg_1 = var_70; [L231] EXPR var_71_arg_0 & var_71_arg_1 [L231] SORT_1 var_71 = var_71_arg_0 & var_71_arg_1; [L232] SORT_3 var_72_arg_0 = state_43; [L233] SORT_3 var_72_arg_1 = var_4; [L234] SORT_1 var_72 = var_72_arg_0 != var_72_arg_1; [L235] SORT_3 var_73_arg_0 = state_5; [L236] SORT_3 var_73_arg_1 = var_4; [L237] SORT_1 var_73 = var_73_arg_0 == var_73_arg_1; [L238] SORT_1 var_74_arg_0 = var_72; [L239] SORT_1 var_74_arg_1 = var_73; [L240] EXPR var_74_arg_0 | var_74_arg_1 [L240] SORT_1 var_74 = var_74_arg_0 | var_74_arg_1; [L241] SORT_1 var_75_arg_0 = var_71; [L242] SORT_1 var_75_arg_1 = var_74; [L243] EXPR var_75_arg_0 & var_75_arg_1 [L243] SORT_1 var_75 = var_75_arg_0 & var_75_arg_1; [L244] SORT_1 var_79_arg_0 = var_75; [L245] SORT_1 var_79 = ~var_79_arg_0; [L246] SORT_1 var_80_arg_0 = var_78; [L247] SORT_1 var_80_arg_1 = var_79; [L248] EXPR var_80_arg_0 & var_80_arg_1 [L248] SORT_1 var_80 = var_80_arg_0 & var_80_arg_1; [L249] EXPR var_80 & mask_SORT_1 [L249] var_80 = var_80 & mask_SORT_1 [L250] SORT_1 bad_81_arg_0 = var_80; [L251] CALL __VERIFIER_assert(!(bad_81_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 0.25ms. Allocated memory is still 125.8MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 482.45ms. Allocated memory is still 174.1MB. Free memory was 129.2MB in the beginning and 110.9MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 136.74ms. Allocated memory is still 174.1MB. Free memory was 110.9MB in the beginning and 97.8MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 205.56ms. Allocated memory is still 174.1MB. Free memory was 97.2MB in the beginning and 92.1MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2128.69ms. Allocated memory was 174.1MB in the beginning and 228.6MB in the end (delta: 54.5MB). Free memory was 92.1MB in the beginning and 131.6MB in the end (delta: -39.5MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. * CodeCheck took 9022.67ms. Allocated memory was 228.6MB in the beginning and 316.7MB in the end (delta: 88.1MB). Free memory was 131.6MB in the beginning and 225.2MB in the end (delta: -93.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.54ms. Allocated memory is still 316.7MB. Free memory is still 225.2MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:40:34,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd55360-8d5e-4ab4-9f58-61cce4649a54/bin/ukojak-verify-G8NBE6pJGL/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_bfd55360-8d5e-4ab4-9f58-61cce4649a54/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd55360-8d5e-4ab4-9f58-61cce4649a54/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd55360-8d5e-4ab4-9f58-61cce4649a54/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd55360-8d5e-4ab4-9f58-61cce4649a54/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd55360-8d5e-4ab4-9f58-61cce4649a54/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd55360-8d5e-4ab4-9f58-61cce4649a54/bin/ukojak-verify-G8NBE6pJGL --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 ae5f6e98a9adcbdf5e1e7125ae4ea5d0cf3bfadfc22b5bc300cef6d9a8d4cfbb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:40:36,707 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:40:36,816 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd55360-8d5e-4ab4-9f58-61cce4649a54/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-19 03:40:36,861 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:40:36,862 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:40:36,863 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:40:36,864 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:40:36,864 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:40:36,865 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:40:36,866 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:40:36,866 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:40:36,867 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:40:36,867 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:40:36,874 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:40:36,874 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:40:36,875 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:40:36,877 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:40:36,878 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:40:36,878 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:40:36,879 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:40:36,881 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:40:36,882 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:40:36,882 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:40:36,882 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:40:36,883 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:40:36,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:40:36,884 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:40:36,884 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:40:36,884 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:40:36,885 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:40:36,886 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:40:36,886 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:40:36,886 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:40:36,887 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:40:36,887 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_bfd55360-8d5e-4ab4-9f58-61cce4649a54/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd55360-8d5e-4ab4-9f58-61cce4649a54/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae5f6e98a9adcbdf5e1e7125ae4ea5d0cf3bfadfc22b5bc300cef6d9a8d4cfbb [2023-11-19 03:40:37,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:40:37,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:40:37,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:40:37,340 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:40:37,340 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:40:37,342 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd55360-8d5e-4ab4-9f58-61cce4649a54/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c [2023-11-19 03:40:40,480 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:40:40,841 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:40:40,843 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd55360-8d5e-4ab4-9f58-61cce4649a54/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c [2023-11-19 03:40:40,858 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd55360-8d5e-4ab4-9f58-61cce4649a54/bin/ukojak-verify-G8NBE6pJGL/data/1f70054c5/8a7848b1cfb847d5806b2a3a9ce17933/FLAGd772b93a2 [2023-11-19 03:40:40,877 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd55360-8d5e-4ab4-9f58-61cce4649a54/bin/ukojak-verify-G8NBE6pJGL/data/1f70054c5/8a7848b1cfb847d5806b2a3a9ce17933 [2023-11-19 03:40:40,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:40:40,891 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:40:40,898 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:40:40,898 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:40:40,903 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:40:40,907 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:40:40" (1/1) ... [2023-11-19 03:40:40,908 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ce5aaa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:40, skipping insertion in model container [2023-11-19 03:40:40,909 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:40:40" (1/1) ... [2023-11-19 03:40:40,962 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:40:41,111 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_bfd55360-8d5e-4ab4-9f58-61cce4649a54/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c[1248,1261] [2023-11-19 03:40:41,189 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:40:41,201 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:40:41,214 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_bfd55360-8d5e-4ab4-9f58-61cce4649a54/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c[1248,1261] [2023-11-19 03:40:41,300 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:40:41,338 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:40:41,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:41 WrapperNode [2023-11-19 03:40:41,339 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:40:41,351 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:40:41,351 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:40:41,351 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:40:41,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:41" (1/1) ... [2023-11-19 03:40:41,374 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:41" (1/1) ... [2023-11-19 03:40:41,423 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 256 [2023-11-19 03:40:41,424 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:40:41,424 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:40:41,424 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:40:41,425 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:40:41,435 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:41" (1/1) ... [2023-11-19 03:40:41,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:41" (1/1) ... [2023-11-19 03:40:41,444 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:41" (1/1) ... [2023-11-19 03:40:41,444 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:41" (1/1) ... [2023-11-19 03:40:41,481 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:41" (1/1) ... [2023-11-19 03:40:41,485 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:41" (1/1) ... [2023-11-19 03:40:41,504 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:41" (1/1) ... [2023-11-19 03:40:41,506 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:41" (1/1) ... [2023-11-19 03:40:41,510 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:40:41,511 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:40:41,512 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:40:41,512 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:40:41,513 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:41" (1/1) ... [2023-11-19 03:40:41,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:40:41,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd55360-8d5e-4ab4-9f58-61cce4649a54/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:40:41,569 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd55360-8d5e-4ab4-9f58-61cce4649a54/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:40:41,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd55360-8d5e-4ab4-9f58-61cce4649a54/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:40:41,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:40:41,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:40:41,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:40:41,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:40:41,785 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:40:41,788 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:40:42,251 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:40:42,295 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:40:42,296 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:40:42,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:40:42 BoogieIcfgContainer [2023-11-19 03:40:42,300 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:40:42,302 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:40:42,302 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:40:42,313 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:40:42,313 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:40:42" (1/1) ... [2023-11-19 03:40:42,323 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:40:42,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:42,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-19 03:40:42,382 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-19 03:40:42,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:40:42,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:42,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:40:42,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd55360-8d5e-4ab4-9f58-61cce4649a54/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:40:42,388 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd55360-8d5e-4ab4-9f58-61cce4649a54/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:40:42,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd55360-8d5e-4ab4-9f58-61cce4649a54/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:40:42,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:42,780 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:40:42,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:42,945 WARN L260 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 142 conjunts are in the unsatisfiable core [2023-11-19 03:40:42,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:45,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:40:45,867 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd55360-8d5e-4ab4-9f58-61cce4649a54/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:40:45,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd55360-8d5e-4ab4-9f58-61cce4649a54/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:40:45,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:45,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-19 03:40:45,994 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-19 03:40:45,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:40:45,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:45,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:40:45,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd55360-8d5e-4ab4-9f58-61cce4649a54/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:40:45,997 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd55360-8d5e-4ab4-9f58-61cce4649a54/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:40:46,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd55360-8d5e-4ab4-9f58-61cce4649a54/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:40:46,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:46,386 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:40:46,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:46,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 151 conjunts are in the unsatisfiable core [2023-11-19 03:40:46,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:48,545 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:40:48,549 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd55360-8d5e-4ab4-9f58-61cce4649a54/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:40:48,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd55360-8d5e-4ab4-9f58-61cce4649a54/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 03:40:48,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:48,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2023-11-19 03:40:48,809 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2023-11-19 03:40:48,810 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:40:48,810 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2023-11-19 03:40:48,818 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 03:40:48,854 INFO L560 CodeCheckObserver]: Invariant with dag size 13 [2023-11-19 03:40:48,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:40:48 ImpRootNode [2023-11-19 03:40:48,860 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:40:48,861 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:40:48,861 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:40:48,861 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:40:48,862 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:40:42" (3/4) ... [2023-11-19 03:40:48,864 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:40:48,873 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-19 03:40:48,874 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-19 03:40:48,875 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:40:48,876 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:40:49,004 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd55360-8d5e-4ab4-9f58-61cce4649a54/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:40:49,005 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd55360-8d5e-4ab4-9f58-61cce4649a54/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:40:49,005 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:40:49,006 INFO L158 Benchmark]: Toolchain (without parser) took 8114.81ms. Allocated memory was 79.7MB in the beginning and 337.6MB in the end (delta: 257.9MB). Free memory was 55.2MB in the beginning and 126.3MB in the end (delta: -71.1MB). Peak memory consumption was 186.0MB. Max. memory is 16.1GB. [2023-11-19 03:40:49,006 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 79.7MB. Free memory was 55.5MB in the beginning and 55.4MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:40:49,007 INFO L158 Benchmark]: CACSL2BoogieTranslator took 452.32ms. Allocated memory is still 79.7MB. Free memory was 55.0MB in the beginning and 38.6MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 03:40:49,007 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.19ms. Allocated memory is still 79.7MB. Free memory was 38.4MB in the beginning and 56.9MB in the end (delta: -18.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:40:49,007 INFO L158 Benchmark]: Boogie Preprocessor took 86.33ms. Allocated memory is still 79.7MB. Free memory was 56.9MB in the beginning and 54.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:40:49,008 INFO L158 Benchmark]: RCFGBuilder took 789.21ms. Allocated memory was 79.7MB in the beginning and 113.2MB in the end (delta: 33.6MB). Free memory was 54.5MB in the beginning and 78.3MB in the end (delta: -23.8MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2023-11-19 03:40:49,008 INFO L158 Benchmark]: CodeCheck took 6558.69ms. Allocated memory was 113.2MB in the beginning and 337.6MB in the end (delta: 224.4MB). Free memory was 78.3MB in the beginning and 133.6MB in the end (delta: -55.2MB). Peak memory consumption was 169.7MB. Max. memory is 16.1GB. [2023-11-19 03:40:49,009 INFO L158 Benchmark]: Witness Printer took 144.34ms. Allocated memory is still 337.6MB. Free memory was 133.6MB in the beginning and 126.3MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:40:49,011 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: 6.5s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 2 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 72 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 86 SizeOfPredicates, 322 NumberOfNonLiveVariables, 656 ConjunctsInSsa, 293 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1/2 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: 50]: Loop Invariant Derived loop invariant: (((((1 == mask_SORT_1) && (state_8 == var_4)) && (state_5 == var_4)) && (var_4 == state_43)) && (var_4 == state_25)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 79.7MB. Free memory was 55.5MB in the beginning and 55.4MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 452.32ms. Allocated memory is still 79.7MB. Free memory was 55.0MB in the beginning and 38.6MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.19ms. Allocated memory is still 79.7MB. Free memory was 38.4MB in the beginning and 56.9MB in the end (delta: -18.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.33ms. Allocated memory is still 79.7MB. Free memory was 56.9MB in the beginning and 54.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 789.21ms. Allocated memory was 79.7MB in the beginning and 113.2MB in the end (delta: 33.6MB). Free memory was 54.5MB in the beginning and 78.3MB in the end (delta: -23.8MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. * CodeCheck took 6558.69ms. Allocated memory was 113.2MB in the beginning and 337.6MB in the end (delta: 224.4MB). Free memory was 78.3MB in the beginning and 133.6MB in the end (delta: -55.2MB). Peak memory consumption was 169.7MB. Max. memory is 16.1GB. * Witness Printer took 144.34ms. Allocated memory is still 337.6MB. Free memory was 133.6MB in the beginning and 126.3MB 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! [2023-11-19 03:40:49,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd55360-8d5e-4ab4-9f58-61cce4649a54/bin/ukojak-verify-G8NBE6pJGL/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