./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p06.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c914e6f-7180-4255-baac-eba8ce7d90d4/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c914e6f-7180-4255-baac-eba8ce7d90d4/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c914e6f-7180-4255-baac-eba8ce7d90d4/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c914e6f-7180-4255-baac-eba8ce7d90d4/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p06.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c914e6f-7180-4255-baac-eba8ce7d90d4/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c914e6f-7180-4255-baac-eba8ce7d90d4/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a95ceeac0f165e2677b6b52117f2b2f85e3771ca9e25b04980e7e83596a8463f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:50:14,935 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:50:15,089 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c914e6f-7180-4255-baac-eba8ce7d90d4/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-11 23:50:15,096 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:50:15,098 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:50:15,140 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:50:15,143 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:50:15,144 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:50:15,145 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:50:15,151 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:50:15,151 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:50:15,152 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:50:15,153 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:50:15,155 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:50:15,155 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:50:15,156 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:50:15,157 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:50:15,157 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:50:15,158 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:50:15,158 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:50:15,159 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:50:15,161 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:50:15,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:50:15,163 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:50:15,163 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:50:15,164 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:50:15,164 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:50:15,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:50:15,165 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:50:15,166 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_3c914e6f-7180-4255-baac-eba8ce7d90d4/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c914e6f-7180-4255-baac-eba8ce7d90d4/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a95ceeac0f165e2677b6b52117f2b2f85e3771ca9e25b04980e7e83596a8463f [2023-11-11 23:50:15,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:50:15,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:50:15,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:50:15,576 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:50:15,576 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:50:15,578 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c914e6f-7180-4255-baac-eba8ce7d90d4/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p06.c [2023-11-11 23:50:19,022 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:50:19,389 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:50:19,389 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c914e6f-7180-4255-baac-eba8ce7d90d4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p06.c [2023-11-11 23:50:19,411 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c914e6f-7180-4255-baac-eba8ce7d90d4/bin/ukojak-verify-0OAaufAVZV/data/fbfe5ed5f/29682ca2b6d24311b1d58dabb90f89a0/FLAGedcec34ca [2023-11-11 23:50:19,427 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c914e6f-7180-4255-baac-eba8ce7d90d4/bin/ukojak-verify-0OAaufAVZV/data/fbfe5ed5f/29682ca2b6d24311b1d58dabb90f89a0 [2023-11-11 23:50:19,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:50:19,432 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:50:19,434 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:50:19,435 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:50:19,440 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:50:19,441 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:50:19" (1/1) ... [2023-11-11 23:50:19,443 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ac159e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:19, skipping insertion in model container [2023-11-11 23:50:19,443 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:50:19" (1/1) ... [2023-11-11 23:50:19,508 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:50:19,730 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_3c914e6f-7180-4255-baac-eba8ce7d90d4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p06.c[1259,1272] [2023-11-11 23:50:20,064 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:50:20,077 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:50:20,090 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_3c914e6f-7180-4255-baac-eba8ce7d90d4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p06.c[1259,1272] [2023-11-11 23:50:20,285 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:50:20,303 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:50:20,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:20 WrapperNode [2023-11-11 23:50:20,304 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:50:20,306 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:50:20,306 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:50:20,306 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:50:20,315 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:20" (1/1) ... [2023-11-11 23:50:20,384 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:20" (1/1) ... [2023-11-11 23:50:20,747 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2421 [2023-11-11 23:50:20,747 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:50:20,748 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:50:20,748 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:50:20,749 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:50:20,759 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:20" (1/1) ... [2023-11-11 23:50:20,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:20" (1/1) ... [2023-11-11 23:50:20,802 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:20" (1/1) ... [2023-11-11 23:50:20,802 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:20" (1/1) ... [2023-11-11 23:50:20,919 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:20" (1/1) ... [2023-11-11 23:50:20,943 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:20" (1/1) ... [2023-11-11 23:50:20,988 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:20" (1/1) ... [2023-11-11 23:50:21,006 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:20" (1/1) ... [2023-11-11 23:50:21,067 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:50:21,068 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:50:21,069 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:50:21,069 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:50:21,070 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:20" (1/1) ... [2023-11-11 23:50:21,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:50:21,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c914e6f-7180-4255-baac-eba8ce7d90d4/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:50:21,122 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c914e6f-7180-4255-baac-eba8ce7d90d4/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:50:21,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c914e6f-7180-4255-baac-eba8ce7d90d4/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:50:21,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:50:21,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:50:21,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:50:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:50:21,507 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:50:21,509 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:50:23,957 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:50:29,422 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:50:29,422 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:50:29,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:50:29 BoogieIcfgContainer [2023-11-11 23:50:29,427 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:50:29,428 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:50:29,428 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:50:29,439 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:50:29,440 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:50:29" (1/1) ... [2023-11-11 23:50:29,451 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:50:29,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:29,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-11 23:50:29,521 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-11 23:50:29,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:50:29,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:29,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:30,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:33,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:50:43,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-11 23:50:53,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-11 23:50:53,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:53,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-11-11 23:50:53,931 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-11-11 23:50:53,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:50:53,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:53,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms