./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.zaher.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_cc940e3a-f821-4261-ad94-8b1a2ccbe669/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc940e3a-f821-4261-ad94-8b1a2ccbe669/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc940e3a-f821-4261-ad94-8b1a2ccbe669/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc940e3a-f821-4261-ad94-8b1a2ccbe669/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.zaher.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc940e3a-f821-4261-ad94-8b1a2ccbe669/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc940e3a-f821-4261-ad94-8b1a2ccbe669/bin/ukojak-verify-ImItNfHLgk --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 6fd8c0f78f1a02f0110655a19aab6ed326f45dcdd8f1755f6a67e81d29b9a49c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:34:32,591 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:34:32,707 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc940e3a-f821-4261-ad94-8b1a2ccbe669/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-08 23:34:32,713 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:34:32,714 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:34:32,756 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:34:32,758 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:34:32,759 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:34:32,760 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:34:32,761 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:34:32,763 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:34:32,764 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:34:32,765 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:34:32,765 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:34:32,766 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:34:32,766 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:34:32,767 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:34:32,767 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:34:32,768 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:34:32,772 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:34:32,772 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:34:32,773 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:34:32,774 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:34:32,774 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:34:32,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:34:32,776 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:34:32,776 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:34:32,777 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:34:32,777 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:34:32,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:34:32,778 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_cc940e3a-f821-4261-ad94-8b1a2ccbe669/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc940e3a-f821-4261-ad94-8b1a2ccbe669/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6fd8c0f78f1a02f0110655a19aab6ed326f45dcdd8f1755f6a67e81d29b9a49c [2024-11-08 23:34:33,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:34:33,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:34:33,158 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:34:33,159 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:34:33,177 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:34:33,180 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc940e3a-f821-4261-ad94-8b1a2ccbe669/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.zaher.c Unable to find full path for "g++" [2024-11-08 23:34:35,267 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:34:35,595 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:34:35,595 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc940e3a-f821-4261-ad94-8b1a2ccbe669/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.zaher.c [2024-11-08 23:34:35,621 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc940e3a-f821-4261-ad94-8b1a2ccbe669/bin/ukojak-verify-ImItNfHLgk/data/3ce5a7c12/3bace72793f8441aa55025b5f3541488/FLAGe1006faa7 [2024-11-08 23:34:35,644 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc940e3a-f821-4261-ad94-8b1a2ccbe669/bin/ukojak-verify-ImItNfHLgk/data/3ce5a7c12/3bace72793f8441aa55025b5f3541488 [2024-11-08 23:34:35,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:34:35,649 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:34:35,650 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:34:35,650 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:34:35,657 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:34:35,658 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:34:35" (1/1) ... [2024-11-08 23:34:35,659 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3949c51a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:35, skipping insertion in model container [2024-11-08 23:34:35,659 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:34:35" (1/1) ... [2024-11-08 23:34:35,700 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:34:35,926 WARN L250 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_cc940e3a-f821-4261-ad94-8b1a2ccbe669/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.zaher.c[1245,1258] [2024-11-08 23:34:36,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:34:36,114 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:34:36,128 WARN L250 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_cc940e3a-f821-4261-ad94-8b1a2ccbe669/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.zaher.c[1245,1258] [2024-11-08 23:34:36,244 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:34:36,271 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:34:36,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:36 WrapperNode [2024-11-08 23:34:36,272 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:34:36,274 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:34:36,274 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:34:36,274 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:34:36,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:36" (1/1) ... [2024-11-08 23:34:36,335 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:36" (1/1) ... [2024-11-08 23:34:36,462 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 779 [2024-11-08 23:34:36,463 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:34:36,464 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:34:36,464 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:34:36,464 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:34:36,475 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:36" (1/1) ... [2024-11-08 23:34:36,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:36" (1/1) ... [2024-11-08 23:34:36,489 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:36" (1/1) ... [2024-11-08 23:34:36,490 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:36" (1/1) ... [2024-11-08 23:34:36,526 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:36" (1/1) ... [2024-11-08 23:34:36,536 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:36" (1/1) ... [2024-11-08 23:34:36,550 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:36" (1/1) ... [2024-11-08 23:34:36,563 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:36" (1/1) ... [2024-11-08 23:34:36,585 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:34:36,587 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:34:36,587 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:34:36,588 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:34:36,589 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:36" (1/1) ... [2024-11-08 23:34:36,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:34:36,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc940e3a-f821-4261-ad94-8b1a2ccbe669/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:34:36,626 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc940e3a-f821-4261-ad94-8b1a2ccbe669/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:34:36,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc940e3a-f821-4261-ad94-8b1a2ccbe669/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:34:36,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:34:36,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:34:36,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:34:36,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:34:36,856 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:34:36,859 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:34:38,325 INFO L? ?]: Removed 340 outVars from TransFormulas that were not future-live. [2024-11-08 23:34:38,326 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:34:39,416 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:34:39,416 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:34:39,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:34:39 BoogieIcfgContainer [2024-11-08 23:34:39,417 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:34:39,418 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:34:39,418 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:34:39,430 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:34:39,430 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:34:39" (1/1) ... [2024-11-08 23:34:39,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:34:39,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:39,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 23:34:39,511 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 23:34:39,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:34:39,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:39,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:41,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:34:42,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:42,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-08 23:34:42,471 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-08 23:34:42,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:34:42,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:42,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:46,667 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:34:49,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:49,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2024-11-08 23:34:49,019 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2024-11-08 23:34:49,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 23:34:49,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:49,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:50,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:54,911 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 23:34:55,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:55,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 5 states and 6 transitions. [2024-11-08 23:34:55,277 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 6 transitions. [2024-11-08 23:34:55,279 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 23:34:55,280 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2024-11-08 23:34:55,291 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 23:34:55,408 INFO L77 FloydHoareUtils]: At program point L104-2(lines 104 391) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~var_5~0#1| 0))) (or (and (<= (mod |ULTIMATE.start_main_~state_22~0#1| 256) 0) .cse0 (<= 0 (div |ULTIMATE.start_main_~state_22~0#1| 256))) (and .cse0 (< (mod (+ (* |ULTIMATE.start_main_~state_14~0#1| 255) 255) 256) 1)))) [2024-11-08 23:34:55,408 INFO L77 FloydHoareUtils]: At program point L21(line 21) the Hoare annotation is: (and (= |ULTIMATE.start_main_~var_5~0#1| 0) (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0))) [2024-11-08 23:34:55,408 INFO L75 FloydHoareUtils]: For program point L21-1(line 21) no Hoare annotation was computed. [2024-11-08 23:34:55,409 INFO L77 FloydHoareUtils]: At program point L21-3(line 21) the Hoare annotation is: (= |ULTIMATE.start_main_~var_5~0#1| 0) [2024-11-08 23:34:55,409 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2024-11-08 23:34:55,409 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 23:34:55,410 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2024-11-08 23:34:55,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:34:55 ImpRootNode [2024-11-08 23:34:55,430 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:34:55,430 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:34:55,432 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:34:55,432 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:34:55,433 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:34:39" (3/4) ... [2024-11-08 23:34:55,436 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 23:34:55,464 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 174 nodes and edges [2024-11-08 23:34:55,466 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-08 23:34:55,467 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-08 23:34:55,469 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 23:34:55,470 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 23:34:55,601 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.witnessprinter has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromIASTNode(CACSLBacktranslationValueProvider.java:80) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromStep(CACSLBacktranslationValueProvider.java:61) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromStep(CACSLBacktranslationValueProvider.java:1) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.GeneratedWitnessEdge.getSourceCode(GeneratedWitnessEdge.java:156) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.GraphMLCorrectnessWitnessGenerator.lambda$2(GraphMLCorrectnessWitnessGenerator.java:91) at edu.uci.ics.jung.io.GraphMLWriter.writeEdgeData(GraphMLWriter.java:237) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.UltimateGraphMLWriter.save(UltimateGraphMLWriter.java:106) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.GraphMLCorrectnessWitnessGenerator.makeGraphMLString(GraphMLCorrectnessWitnessGenerator.java:111) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.generateProofWitness(WitnessPrinter.java:168) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.finish(WitnessPrinter.java:143) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:130) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 23:34:55,607 INFO L158 Benchmark]: Toolchain (without parser) took 19957.85ms. Allocated memory was 148.9MB in the beginning and 484.4MB in the end (delta: 335.5MB). Free memory was 106.9MB in the beginning and 199.0MB in the end (delta: -92.1MB). Peak memory consumption was 244.9MB. Max. memory is 16.1GB. [2024-11-08 23:34:55,607 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 109.1MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:34:55,610 INFO L158 Benchmark]: CACSL2BoogieTranslator took 622.64ms. Allocated memory is still 148.9MB. Free memory was 106.6MB in the beginning and 83.0MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-08 23:34:55,611 INFO L158 Benchmark]: Boogie Procedure Inliner took 189.47ms. Allocated memory is still 148.9MB. Free memory was 83.0MB in the beginning and 106.8MB in the end (delta: -23.7MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2024-11-08 23:34:55,611 INFO L158 Benchmark]: Boogie Preprocessor took 121.79ms. Allocated memory is still 148.9MB. Free memory was 106.8MB in the beginning and 99.9MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 23:34:55,612 INFO L158 Benchmark]: RCFGBuilder took 2830.11ms. Allocated memory was 148.9MB in the beginning and 188.7MB in the end (delta: 39.8MB). Free memory was 99.9MB in the beginning and 74.0MB in the end (delta: 25.8MB). Peak memory consumption was 73.5MB. Max. memory is 16.1GB. [2024-11-08 23:34:55,612 INFO L158 Benchmark]: CodeCheck took 16012.07ms. Allocated memory was 188.7MB in the beginning and 484.4MB in the end (delta: 295.7MB). Free memory was 74.0MB in the beginning and 207.4MB in the end (delta: -133.3MB). Peak memory consumption was 162.4MB. Max. memory is 16.1GB. [2024-11-08 23:34:55,614 INFO L158 Benchmark]: Witness Printer took 175.09ms. Allocated memory is still 484.4MB. Free memory was 207.4MB in the beginning and 199.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 23:34:55,616 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: 15.8s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 37 SdHoareTripleChecker+Valid, 5.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 5.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 84 IncrementalHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 3 mSDtfsCounter, 84 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 170 GetRequests, 141 SyntacticMatches, 3 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 9.7s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 77 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 3/9 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: 104]: Loop Invariant Derived loop invariant: ((((state_22 <= 0) && (var_5 == 0)) && (0 <= 0)) || ((var_5 == 0) && (((((unsigned short) state_14 * 255) + 255) % 256) < 1))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 109.1MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 622.64ms. Allocated memory is still 148.9MB. Free memory was 106.6MB in the beginning and 83.0MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 189.47ms. Allocated memory is still 148.9MB. Free memory was 83.0MB in the beginning and 106.8MB in the end (delta: -23.7MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 121.79ms. Allocated memory is still 148.9MB. Free memory was 106.8MB in the beginning and 99.9MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2830.11ms. Allocated memory was 148.9MB in the beginning and 188.7MB in the end (delta: 39.8MB). Free memory was 99.9MB in the beginning and 74.0MB in the end (delta: 25.8MB). Peak memory consumption was 73.5MB. Max. memory is 16.1GB. * CodeCheck took 16012.07ms. Allocated memory was 188.7MB in the beginning and 484.4MB in the end (delta: 295.7MB). Free memory was 74.0MB in the beginning and 207.4MB in the end (delta: -133.3MB). Peak memory consumption was 162.4MB. Max. memory is 16.1GB. * Witness Printer took 175.09ms. Allocated memory is still 484.4MB. Free memory was 207.4MB in the beginning and 199.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.witnessprinter: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.witnessprinter: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromIASTNode(CACSLBacktranslationValueProvider.java:80) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 23:34:55,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc940e3a-f821-4261-ad94-8b1a2ccbe669/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_cc940e3a-f821-4261-ad94-8b1a2ccbe669/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc940e3a-f821-4261-ad94-8b1a2ccbe669/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc940e3a-f821-4261-ad94-8b1a2ccbe669/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc940e3a-f821-4261-ad94-8b1a2ccbe669/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.zaher.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc940e3a-f821-4261-ad94-8b1a2ccbe669/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc940e3a-f821-4261-ad94-8b1a2ccbe669/bin/ukojak-verify-ImItNfHLgk --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 6fd8c0f78f1a02f0110655a19aab6ed326f45dcdd8f1755f6a67e81d29b9a49c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:34:58,506 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:34:58,609 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc940e3a-f821-4261-ad94-8b1a2ccbe669/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-08 23:34:58,663 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:34:58,664 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:34:58,664 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:34:58,665 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:34:58,665 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:34:58,666 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:34:58,666 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:34:58,667 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:34:58,667 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:34:58,668 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:34:58,670 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:34:58,673 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:34:58,674 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:34:58,674 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:34:58,674 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:34:58,675 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:34:58,675 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:34:58,675 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:34:58,676 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:34:58,676 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:34:58,677 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:34:58,677 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:34:58,677 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:34:58,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:34:58,678 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:34:58,678 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:34:58,678 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:34:58,679 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:34:58,679 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:34:58,682 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:34:58,682 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_cc940e3a-f821-4261-ad94-8b1a2ccbe669/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc940e3a-f821-4261-ad94-8b1a2ccbe669/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6fd8c0f78f1a02f0110655a19aab6ed326f45dcdd8f1755f6a67e81d29b9a49c [2024-11-08 23:34:59,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:34:59,153 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:34:59,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:34:59,160 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:34:59,166 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:34:59,168 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc940e3a-f821-4261-ad94-8b1a2ccbe669/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.zaher.c Unable to find full path for "g++" [2024-11-08 23:35:01,263 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:35:01,541 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:35:01,542 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc940e3a-f821-4261-ad94-8b1a2ccbe669/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.zaher.c [2024-11-08 23:35:01,558 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc940e3a-f821-4261-ad94-8b1a2ccbe669/bin/ukojak-verify-ImItNfHLgk/data/46ea6b166/0ac3c4f5d85d42b9ae07932b5a7f1748/FLAGe09600d84 [2024-11-08 23:35:01,575 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc940e3a-f821-4261-ad94-8b1a2ccbe669/bin/ukojak-verify-ImItNfHLgk/data/46ea6b166/0ac3c4f5d85d42b9ae07932b5a7f1748 [2024-11-08 23:35:01,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:35:01,580 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:35:01,581 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:35:01,581 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:35:01,587 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:35:01,588 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:35:01" (1/1) ... [2024-11-08 23:35:01,590 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51e7e66d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:01, skipping insertion in model container [2024-11-08 23:35:01,590 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:35:01" (1/1) ... [2024-11-08 23:35:01,631 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:35:01,934 WARN L250 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_cc940e3a-f821-4261-ad94-8b1a2ccbe669/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.zaher.c[1245,1258] [2024-11-08 23:35:02,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:35:02,175 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:35:02,191 WARN L250 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_cc940e3a-f821-4261-ad94-8b1a2ccbe669/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.zaher.c[1245,1258] [2024-11-08 23:35:02,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:35:02,382 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:35:02,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:02 WrapperNode [2024-11-08 23:35:02,383 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:35:02,384 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:35:02,385 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:35:02,385 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:35:02,395 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:02" (1/1) ... [2024-11-08 23:35:02,416 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:02" (1/1) ... [2024-11-08 23:35:02,484 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 435 [2024-11-08 23:35:02,484 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:35:02,486 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:35:02,488 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:35:02,488 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:35:02,499 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:02" (1/1) ... [2024-11-08 23:35:02,500 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:02" (1/1) ... [2024-11-08 23:35:02,510 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:02" (1/1) ... [2024-11-08 23:35:02,511 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:02" (1/1) ... [2024-11-08 23:35:02,535 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:02" (1/1) ... [2024-11-08 23:35:02,543 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:02" (1/1) ... [2024-11-08 23:35:02,549 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:02" (1/1) ... [2024-11-08 23:35:02,552 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:02" (1/1) ... [2024-11-08 23:35:02,565 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:35:02,566 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:35:02,566 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:35:02,566 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:35:02,567 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:02" (1/1) ... [2024-11-08 23:35:02,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:35:02,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc940e3a-f821-4261-ad94-8b1a2ccbe669/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:35:02,621 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc940e3a-f821-4261-ad94-8b1a2ccbe669/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:35:02,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc940e3a-f821-4261-ad94-8b1a2ccbe669/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:35:02,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:35:02,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:35:02,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:35:02,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:35:02,853 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:35:02,856 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:35:03,487 INFO L? ?]: Removed 74 outVars from TransFormulas that were not future-live. [2024-11-08 23:35:03,488 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:35:03,548 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:35:03,549 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:35:03,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:35:03 BoogieIcfgContainer [2024-11-08 23:35:03,549 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:35:03,550 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:35:03,551 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:35:03,564 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:35:03,565 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:35:03" (1/1) ... [2024-11-08 23:35:03,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:35:03,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:35:03,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 23:35:03,658 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 23:35:03,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:35:03,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:35:03,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:35:03,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc940e3a-f821-4261-ad94-8b1a2ccbe669/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:35:03,667 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc940e3a-f821-4261-ad94-8b1a2ccbe669/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:35:03,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc940e3a-f821-4261-ad94-8b1a2ccbe669/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:35:03,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:35:03,987 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:35:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:35:04,085 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 23:35:04,101 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:35:04,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:35:04,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc940e3a-f821-4261-ad94-8b1a2ccbe669/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:35:04,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:35:04,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-08 23:35:04,506 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-08 23:35:04,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:35:04,508 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:35:04,508 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:35:04,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc940e3a-f821-4261-ad94-8b1a2ccbe669/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:35:04,511 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc940e3a-f821-4261-ad94-8b1a2ccbe669/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:35:04,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc940e3a-f821-4261-ad94-8b1a2ccbe669/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:35:04,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:35:04,892 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:35:05,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:35:05,050 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-08 23:35:05,060 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:35:05,420 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:35:05,423 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc940e3a-f821-4261-ad94-8b1a2ccbe669/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 23:35:05,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc940e3a-f821-4261-ad94-8b1a2ccbe669/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 23:35:06,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:35:06,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2024-11-08 23:35:06,180 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2024-11-08 23:35:06,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 23:35:06,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:35:06,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:35:06,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc940e3a-f821-4261-ad94-8b1a2ccbe669/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:35:06,184 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc940e3a-f821-4261-ad94-8b1a2ccbe669/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:35:06,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc940e3a-f821-4261-ad94-8b1a2ccbe669/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 23:35:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:35:06,664 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:35:06,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:35:06,837 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-08 23:35:06,846 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:35:07,148 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:35:07,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc940e3a-f821-4261-ad94-8b1a2ccbe669/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-08 23:35:07,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:35:07,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 5 states and 6 transitions. [2024-11-08 23:35:07,342 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 6 transitions. [2024-11-08 23:35:07,342 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 23:35:07,343 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2024-11-08 23:35:07,353 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 23:35:07,480 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2024-11-08 23:35:07,480 INFO L77 FloydHoareUtils]: At program point L21(line 21) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start___VERIFIER_assert_~cond#1|) (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~var_5~0#1|)) [2024-11-08 23:35:07,481 INFO L75 FloydHoareUtils]: For program point L21-1(line 21) no Hoare annotation was computed. [2024-11-08 23:35:07,481 INFO L77 FloydHoareUtils]: At program point L21-3(line 21) the Hoare annotation is: (and (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~var_5~0#1|)) [2024-11-08 23:35:07,481 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 23:35:07,482 INFO L77 FloydHoareUtils]: At program point L104-2(lines 104 391) the Hoare annotation is: (let ((.cse0 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse1 (= (_ bv0 8) |ULTIMATE.start_main_~var_5~0#1|))) (or (and (= (bvadd (_ bv1 8) |ULTIMATE.start_main_~state_14~0#1|) (_ bv0 8)) .cse0 .cse1) (and .cse0 .cse1 (= (_ bv0 8) |ULTIMATE.start_main_~state_22~0#1|)))) [2024-11-08 23:35:07,482 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2024-11-08 23:35:07,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:35:07 ImpRootNode [2024-11-08 23:35:07,498 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:35:07,499 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:35:07,500 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:35:07,500 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:35:07,500 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:35:03" (3/4) ... [2024-11-08 23:35:07,503 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 23:35:07,521 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-08 23:35:07,523 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-08 23:35:07,524 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 23:35:07,525 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 23:35:07,525 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 23:35:07,591 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.witnessprinter has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromIASTNode(CACSLBacktranslationValueProvider.java:80) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromStep(CACSLBacktranslationValueProvider.java:61) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromStep(CACSLBacktranslationValueProvider.java:1) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.GeneratedWitnessEdge.getSourceCode(GeneratedWitnessEdge.java:156) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.GraphMLCorrectnessWitnessGenerator.lambda$2(GraphMLCorrectnessWitnessGenerator.java:91) at edu.uci.ics.jung.io.GraphMLWriter.writeEdgeData(GraphMLWriter.java:237) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.UltimateGraphMLWriter.save(UltimateGraphMLWriter.java:106) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.GraphMLCorrectnessWitnessGenerator.makeGraphMLString(GraphMLCorrectnessWitnessGenerator.java:111) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.generateProofWitness(WitnessPrinter.java:168) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.finish(WitnessPrinter.java:143) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:130) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 23:35:07,594 INFO L158 Benchmark]: Toolchain (without parser) took 6014.76ms. Allocated memory was 83.9MB in the beginning and 134.2MB in the end (delta: 50.3MB). Free memory was 59.4MB in the beginning and 63.4MB in the end (delta: -4.0MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2024-11-08 23:35:07,595 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 60.8MB. Free memory was 37.4MB in the beginning and 37.3MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:35:07,595 INFO L158 Benchmark]: CACSL2BoogieTranslator took 802.53ms. Allocated memory is still 83.9MB. Free memory was 59.2MB in the beginning and 57.4MB in the end (delta: 1.8MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2024-11-08 23:35:07,596 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.21ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 53.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:35:07,601 INFO L158 Benchmark]: Boogie Preprocessor took 79.23ms. Allocated memory is still 83.9MB. Free memory was 53.2MB in the beginning and 50.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:35:07,601 INFO L158 Benchmark]: RCFGBuilder took 983.71ms. Allocated memory is still 83.9MB. Free memory was 50.1MB in the beginning and 50.4MB in the end (delta: -235.5kB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2024-11-08 23:35:07,605 INFO L158 Benchmark]: CodeCheck took 3948.12ms. Allocated memory was 83.9MB in the beginning and 134.2MB in the end (delta: 50.3MB). Free memory was 50.3MB in the beginning and 68.6MB in the end (delta: -18.3MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2024-11-08 23:35:07,606 INFO L158 Benchmark]: Witness Printer took 94.49ms. Allocated memory is still 134.2MB. Free memory was 68.6MB in the beginning and 63.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:35:07,612 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: 3.7s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 36 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 88 IncrementalHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 3 mSDtfsCounter, 88 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 186 GetRequests, 154 SyntacticMatches, 6 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 114 SizeOfPredicates, 9 NumberOfNonLiveVariables, 486 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 2/9 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: 104]: Loop Invariant Derived loop invariant: ((((((1 + state_14) % 256) == 0) && (1 == mask_SORT_1)) && (0 == var_5)) || (((1 == mask_SORT_1) && (0 == var_5)) && (0 == state_22))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 60.8MB. Free memory was 37.4MB in the beginning and 37.3MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 802.53ms. Allocated memory is still 83.9MB. Free memory was 59.2MB in the beginning and 57.4MB in the end (delta: 1.8MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.21ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 53.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.23ms. Allocated memory is still 83.9MB. Free memory was 53.2MB in the beginning and 50.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 983.71ms. Allocated memory is still 83.9MB. Free memory was 50.1MB in the beginning and 50.4MB in the end (delta: -235.5kB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. * CodeCheck took 3948.12ms. Allocated memory was 83.9MB in the beginning and 134.2MB in the end (delta: 50.3MB). Free memory was 50.3MB in the beginning and 68.6MB in the end (delta: -18.3MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. * Witness Printer took 94.49ms. Allocated memory is still 134.2MB. Free memory was 68.6MB in the beginning and 63.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.witnessprinter: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.witnessprinter: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromIASTNode(CACSLBacktranslationValueProvider.java:80) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 23:35:07,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc940e3a-f821-4261-ad94-8b1a2ccbe669/bin/ukojak-verify-ImItNfHLgk/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: ERROR: ExceptionOrErrorResult: NullPointerException: null