./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_fru32_p3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad650db-e754-4379-ae8a-07a26b1e16cb/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad650db-e754-4379-ae8a-07a26b1e16cb/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad650db-e754-4379-ae8a-07a26b1e16cb/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad650db-e754-4379-ae8a-07a26b1e16cb/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_fru32_p3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad650db-e754-4379-ae8a-07a26b1e16cb/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad650db-e754-4379-ae8a-07a26b1e16cb/bin/utaipan-verify-SwPr7d2a91 --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 45bfa32c6b634390125a13abc4f6844d47a46f27aa4ffd4fb1f61e72ec5b5312 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:56:41,284 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:56:41,388 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad650db-e754-4379-ae8a-07a26b1e16cb/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-24 23:56:41,397 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:56:41,397 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:56:41,441 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:56:41,444 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:56:41,445 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:56:41,446 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:56:41,449 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:56:41,449 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:56:41,451 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:56:41,452 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:56:41,453 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:56:41,453 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:56:41,453 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:56:41,454 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:56:41,454 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:56:41,455 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:56:41,455 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:56:41,458 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:56:41,459 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:56:41,460 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:56:41,460 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:56:41,460 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:56:41,461 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:56:41,461 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:56:41,462 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:56:41,462 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:56:41,462 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:56:41,463 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:56:41,463 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:56:41,472 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:56:41,472 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:56:41,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:56:41,473 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:56:41,473 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:56:41,474 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:56:41,474 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:56:41,475 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:56:41,475 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:56:41,476 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:56:41,476 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:56:41,477 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:56:41,477 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_aad650db-e754-4379-ae8a-07a26b1e16cb/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad650db-e754-4379-ae8a-07a26b1e16cb/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45bfa32c6b634390125a13abc4f6844d47a46f27aa4ffd4fb1f61e72ec5b5312 [2023-11-24 23:56:41,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:56:41,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:56:41,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:56:41,798 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:56:41,798 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:56:41,800 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad650db-e754-4379-ae8a-07a26b1e16cb/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_fru32_p3.c [2023-11-24 23:56:44,914 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:56:45,215 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:56:45,216 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad650db-e754-4379-ae8a-07a26b1e16cb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_fru32_p3.c [2023-11-24 23:56:45,243 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad650db-e754-4379-ae8a-07a26b1e16cb/bin/utaipan-verify-SwPr7d2a91/data/23889ba25/aa613be4aa9b481393e3dcd01fd78fc0/FLAG479028e50 [2023-11-24 23:56:45,258 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad650db-e754-4379-ae8a-07a26b1e16cb/bin/utaipan-verify-SwPr7d2a91/data/23889ba25/aa613be4aa9b481393e3dcd01fd78fc0 [2023-11-24 23:56:45,260 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:56:45,262 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:56:45,264 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:56:45,264 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:56:45,269 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:56:45,270 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:56:45" (1/1) ... [2023-11-24 23:56:45,271 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1092f8e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:45, skipping insertion in model container [2023-11-24 23:56:45,272 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:56:45" (1/1) ... [2023-11-24 23:56:45,316 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:56:45,486 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_aad650db-e754-4379-ae8a-07a26b1e16cb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_fru32_p3.c[1258,1271] [2023-11-24 23:56:45,643 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:56:45,659 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:56:45,678 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_aad650db-e754-4379-ae8a-07a26b1e16cb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_fru32_p3.c[1258,1271] [2023-11-24 23:56:45,793 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:56:45,813 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:56:45,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:45 WrapperNode [2023-11-24 23:56:45,813 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:56:45,815 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:56:45,815 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:56:45,815 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:56:45,823 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:45" (1/1) ... [2023-11-24 23:56:45,872 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:45" (1/1) ... [2023-11-24 23:56:46,013 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1041 [2023-11-24 23:56:46,014 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:56:46,014 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:56:46,015 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:56:46,015 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:56:46,025 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:45" (1/1) ... [2023-11-24 23:56:46,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:45" (1/1) ... [2023-11-24 23:56:46,046 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:45" (1/1) ... [2023-11-24 23:56:46,046 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:45" (1/1) ... [2023-11-24 23:56:46,099 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:45" (1/1) ... [2023-11-24 23:56:46,119 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:45" (1/1) ... [2023-11-24 23:56:46,145 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:45" (1/1) ... [2023-11-24 23:56:46,155 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:45" (1/1) ... [2023-11-24 23:56:46,169 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:56:46,170 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:56:46,170 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:56:46,170 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:56:46,171 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:45" (1/1) ... [2023-11-24 23:56:46,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:56:46,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad650db-e754-4379-ae8a-07a26b1e16cb/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:56:46,213 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad650db-e754-4379-ae8a-07a26b1e16cb/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:56:46,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad650db-e754-4379-ae8a-07a26b1e16cb/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:56:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:56:46,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:56:46,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:56:46,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:56:46,538 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:56:46,555 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:56:47,748 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:56:49,455 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:56:49,456 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:56:49,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:56:49 BoogieIcfgContainer [2023-11-24 23:56:49,458 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:56:49,463 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:56:49,463 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:56:49,466 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:56:49,467 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:56:45" (1/3) ... [2023-11-24 23:56:49,467 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cad1221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:56:49, skipping insertion in model container [2023-11-24 23:56:49,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:45" (2/3) ... [2023-11-24 23:56:49,469 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cad1221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:56:49, skipping insertion in model container [2023-11-24 23:56:49,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:56:49" (3/3) ... [2023-11-24 23:56:49,472 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_QF_BV_fru32_p3.c [2023-11-24 23:56:49,492 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:56:49,493 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:56:49,554 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:56:49,561 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5787de6e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:56:49,562 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:56:49,568 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:56:49,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:56:49,574 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:56:49,575 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-24 23:56:49,576 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:56:49,586 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:56:49,586 INFO L85 PathProgramCache]: Analyzing trace with hash 31714550, now seen corresponding path program 1 times [2023-11-24 23:56:49,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:56:49,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305087763] [2023-11-24 23:56:49,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:56:49,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:56:52,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:56:52,326 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:56:53,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:56:53,762 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:56:53,764 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:56:53,765 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 23:56:53,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:56:53,772 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 23:56:53,779 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:56:53,853 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-24 23:56:53,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:56:53 BoogieIcfgContainer [2023-11-24 23:56:53,891 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:56:53,891 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:56:53,893 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:56:53,893 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:56:53,894 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:56:49" (3/4) ... [2023-11-24 23:56:53,897 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:56:53,898 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:56:53,900 INFO L158 Benchmark]: Toolchain (without parser) took 8637.52ms. Allocated memory was 165.7MB in the beginning and 270.5MB in the end (delta: 104.9MB). Free memory was 135.4MB in the beginning and 153.4MB in the end (delta: -18.0MB). Peak memory consumption was 86.6MB. Max. memory is 16.1GB. [2023-11-24 23:56:53,900 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 130.0MB. Free memory is still 101.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:56:53,902 INFO L158 Benchmark]: CACSL2BoogieTranslator took 550.27ms. Allocated memory is still 165.7MB. Free memory was 134.6MB in the beginning and 113.2MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-24 23:56:53,903 INFO L158 Benchmark]: Boogie Procedure Inliner took 199.18ms. Allocated memory is still 165.7MB. Free memory was 113.2MB in the beginning and 93.5MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-24 23:56:53,905 INFO L158 Benchmark]: Boogie Preprocessor took 154.72ms. Allocated memory is still 165.7MB. Free memory was 93.5MB in the beginning and 86.4MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 23:56:53,909 INFO L158 Benchmark]: RCFGBuilder took 3288.09ms. Allocated memory was 165.7MB in the beginning and 216.0MB in the end (delta: 50.3MB). Free memory was 86.4MB in the beginning and 74.2MB in the end (delta: 12.2MB). Peak memory consumption was 92.4MB. Max. memory is 16.1GB. [2023-11-24 23:56:53,911 INFO L158 Benchmark]: TraceAbstraction took 4428.12ms. Allocated memory was 216.0MB in the beginning and 270.5MB in the end (delta: 54.5MB). Free memory was 73.1MB in the beginning and 154.5MB in the end (delta: -81.3MB). Peak memory consumption was 66.8MB. Max. memory is 16.1GB. [2023-11-24 23:56:53,911 INFO L158 Benchmark]: Witness Printer took 7.38ms. Allocated memory is still 270.5MB. Free memory was 154.5MB in the beginning and 153.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:56:53,919 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 130.0MB. Free memory is still 101.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 550.27ms. Allocated memory is still 165.7MB. Free memory was 134.6MB in the beginning and 113.2MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 199.18ms. Allocated memory is still 165.7MB. Free memory was 113.2MB in the beginning and 93.5MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 154.72ms. Allocated memory is still 165.7MB. Free memory was 93.5MB in the beginning and 86.4MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 3288.09ms. Allocated memory was 165.7MB in the beginning and 216.0MB in the end (delta: 50.3MB). Free memory was 86.4MB in the beginning and 74.2MB in the end (delta: 12.2MB). Peak memory consumption was 92.4MB. Max. memory is 16.1GB. * TraceAbstraction took 4428.12ms. Allocated memory was 216.0MB in the beginning and 270.5MB in the end (delta: 54.5MB). Free memory was 73.1MB in the beginning and 154.5MB in the end (delta: -81.3MB). Peak memory consumption was 66.8MB. Max. memory is 16.1GB. * Witness Printer took 7.38ms. Allocated memory is still 270.5MB. Free memory was 154.5MB in the beginning and 153.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 293, overapproximation of bitwiseAnd at line 133. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 6); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (6 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L32] const SORT_6 mask_SORT_6 = (SORT_6)-1 >> (sizeof(SORT_6) * 8 - 32); [L33] const SORT_6 msb_SORT_6 = (SORT_6)1 << (32 - 1); [L35] const SORT_21 mask_SORT_21 = (SORT_21)-1 >> (sizeof(SORT_21) * 8 - 2); [L36] const SORT_21 msb_SORT_21 = (SORT_21)1 << (2 - 1); [L38] const SORT_43 mask_SORT_43 = (SORT_43)-1 >> (sizeof(SORT_43) * 8 - 5); [L39] const SORT_43 msb_SORT_43 = (SORT_43)1 << (5 - 1); [L41] const SORT_21 var_22 = 0; [L42] const SORT_21 var_23 = 1; [L43] const SORT_1 var_24 = 0; [L44] const SORT_3 var_28 = 1; [L45] const SORT_3 var_34 = 0; [L46] const SORT_43 var_45 = 31; [L47] const SORT_21 var_49 = 2; [L48] const SORT_21 var_66 = 3; [L49] const SORT_6 var_89 = 0; [L51] SORT_1 input_2; [L52] SORT_3 input_4; [L53] SORT_1 input_5; [L54] SORT_6 input_7; [L55] SORT_3 input_8; [L56] SORT_6 input_9; [L57] SORT_1 input_10; [L58] SORT_1 input_11; [L59] SORT_1 input_12; [L60] SORT_3 input_13; [L61] SORT_3 input_14; [L62] SORT_3 input_15; [L63] SORT_3 input_16; [L64] SORT_3 input_17; [L65] SORT_3 input_18; [L66] SORT_3 input_19; [L67] SORT_3 input_20; [L68] SORT_3 input_119; [L69] SORT_3 input_123; [L70] SORT_1 input_125; [L71] SORT_3 input_127; [L72] SORT_21 input_130; [L73] SORT_3 input_132; [L74] SORT_6 input_135; [L75] SORT_3 input_137; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L77] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L78] SORT_1 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L79] SORT_3 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L80] SORT_3 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L81] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L82] SORT_3 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L83] SORT_3 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L84] SORT_1 state_68 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L85] SORT_3 state_72 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L86] SORT_3 state_76 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L87] SORT_3 state_80 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L88] EXPR __VERIFIER_nondet_uint() & mask_SORT_6 [L88] SORT_6 state_90 = __VERIFIER_nondet_uint() & mask_SORT_6; [L89] EXPR __VERIFIER_nondet_uint() & mask_SORT_6 [L89] SORT_6 state_92 = __VERIFIER_nondet_uint() & mask_SORT_6; [L90] EXPR __VERIFIER_nondet_uint() & mask_SORT_6 [L90] SORT_6 state_96 = __VERIFIER_nondet_uint() & mask_SORT_6; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L91] SORT_1 state_115 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L92] SORT_3 state_117 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L93] SORT_3 state_121 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L95] SORT_1 init_26_arg_1 = var_24; [L96] state_25 = init_26_arg_1 [L97] SORT_1 init_31_arg_1 = var_24; [L98] state_30 = init_31_arg_1 [L99] SORT_3 init_36_arg_1 = var_34; [L100] state_35 = init_36_arg_1 [L101] SORT_3 init_40_arg_1 = var_34; [L102] state_39 = init_40_arg_1 [L103] SORT_1 init_52_arg_1 = var_24; [L104] state_51 = init_52_arg_1 [L105] SORT_3 init_56_arg_1 = var_34; [L106] state_55 = init_56_arg_1 [L107] SORT_3 init_60_arg_1 = var_34; [L108] state_59 = init_60_arg_1 [L109] SORT_1 init_69_arg_1 = var_24; [L110] state_68 = init_69_arg_1 [L111] SORT_3 init_73_arg_1 = var_34; [L112] state_72 = init_73_arg_1 [L113] SORT_3 init_77_arg_1 = var_34; [L114] state_76 = init_77_arg_1 [L115] SORT_3 init_81_arg_1 = var_34; [L116] state_80 = init_81_arg_1 [L117] SORT_6 init_91_arg_1 = var_89; [L118] state_90 = init_91_arg_1 [L119] SORT_6 init_93_arg_1 = var_89; [L120] state_92 = init_93_arg_1 [L121] SORT_6 init_97_arg_1 = var_89; [L122] state_96 = init_97_arg_1 [L123] SORT_1 init_116_arg_1 = var_24; [L124] state_115 = init_116_arg_1 [L125] SORT_3 init_118_arg_1 = var_34; [L126] state_117 = init_118_arg_1 [L127] SORT_3 init_122_arg_1 = var_34; [L128] state_121 = init_122_arg_1 VAL [init_116_arg_1=0, init_118_arg_1=0, init_122_arg_1=0, init_26_arg_1=0, init_31_arg_1=0, init_36_arg_1=0, init_40_arg_1=0, init_52_arg_1=0, init_56_arg_1=0, init_60_arg_1=0, init_69_arg_1=0, init_73_arg_1=0, init_77_arg_1=0, init_81_arg_1=0, init_91_arg_1=0, init_93_arg_1=0, init_97_arg_1=0, mask_SORT_1=63, mask_SORT_21=3, mask_SORT_3=1, mask_SORT_43=31, mask_SORT_6=4294967295, msb_SORT_1=32, msb_SORT_21=2, msb_SORT_3=1, msb_SORT_43=16, msb_SORT_6=2147483648, state_115=0, state_117=0, state_121=0, state_25=0, state_30=0, state_35=0, state_39=0, state_51=0, state_55=0, state_59=0, state_68=0, state_72=0, state_76=0, state_80=0, state_90=0, state_92=0, state_96=0, var_22=0, var_23=1, var_24=0, var_28=1, var_34=0, var_45=31, var_49=2, var_66=3, var_89=0] [L131] input_2 = __VERIFIER_nondet_uchar() [L132] input_4 = __VERIFIER_nondet_uchar() [L133] EXPR input_4 & mask_SORT_3 [L133] input_4 = input_4 & mask_SORT_3 [L134] input_5 = __VERIFIER_nondet_uchar() [L135] EXPR input_5 & mask_SORT_1 [L135] input_5 = input_5 & mask_SORT_1 [L136] input_7 = __VERIFIER_nondet_uint() [L137] input_8 = __VERIFIER_nondet_uchar() [L138] EXPR input_8 & mask_SORT_3 [L138] input_8 = input_8 & mask_SORT_3 [L139] input_9 = __VERIFIER_nondet_uint() [L140] input_10 = __VERIFIER_nondet_uchar() [L141] EXPR input_10 & mask_SORT_1 [L141] input_10 = input_10 & mask_SORT_1 [L142] input_11 = __VERIFIER_nondet_uchar() [L143] EXPR input_11 & mask_SORT_1 [L143] input_11 = input_11 & mask_SORT_1 [L144] input_12 = __VERIFIER_nondet_uchar() [L145] input_13 = __VERIFIER_nondet_uchar() [L146] input_14 = __VERIFIER_nondet_uchar() [L147] EXPR input_14 & mask_SORT_3 [L147] input_14 = input_14 & mask_SORT_3 [L148] input_15 = __VERIFIER_nondet_uchar() [L149] input_16 = __VERIFIER_nondet_uchar() [L150] EXPR input_16 & mask_SORT_3 [L150] input_16 = input_16 & mask_SORT_3 [L151] input_17 = __VERIFIER_nondet_uchar() [L152] EXPR input_17 & mask_SORT_3 [L152] input_17 = input_17 & mask_SORT_3 [L153] input_18 = __VERIFIER_nondet_uchar() [L154] EXPR input_18 & mask_SORT_3 [L154] input_18 = input_18 & mask_SORT_3 [L155] input_19 = __VERIFIER_nondet_uchar() [L156] EXPR input_19 & mask_SORT_3 [L156] input_19 = input_19 & mask_SORT_3 [L157] input_20 = __VERIFIER_nondet_uchar() [L158] input_119 = __VERIFIER_nondet_uchar() [L159] input_123 = __VERIFIER_nondet_uchar() [L160] input_125 = __VERIFIER_nondet_uchar() [L161] input_127 = __VERIFIER_nondet_uchar() [L162] input_130 = __VERIFIER_nondet_uchar() [L163] input_132 = __VERIFIER_nondet_uchar() [L164] input_135 = __VERIFIER_nondet_uint() [L165] input_137 = __VERIFIER_nondet_uchar() [L168] SORT_1 var_27_arg_0 = state_25; [L169] SORT_3 var_27 = var_27_arg_0 >> 5; [L170] EXPR var_27 & mask_SORT_3 [L170] var_27 = var_27 & mask_SORT_3 [L171] SORT_3 var_67_arg_0 = var_27; [L172] SORT_3 var_67_arg_1 = var_28; [L173] SORT_3 var_67 = var_67_arg_0 == var_67_arg_1; [L174] SORT_1 var_70_arg_0 = state_25; [L175] SORT_1 var_70_arg_1 = state_68; [L176] SORT_3 var_70 = var_70_arg_0 == var_70_arg_1; [L177] SORT_3 var_71_arg_0 = var_67; [L178] SORT_3 var_71_arg_1 = var_70; [L179] EXPR var_71_arg_0 & var_71_arg_1 [L179] SORT_3 var_71 = var_71_arg_0 & var_71_arg_1; [L180] SORT_3 var_74_arg_0 = state_72; [L181] SORT_3 var_74_arg_1 = var_28; [L182] SORT_3 var_74 = var_74_arg_0 != var_74_arg_1; [L183] SORT_3 var_75_arg_0 = var_71; [L184] SORT_3 var_75_arg_1 = var_74; [L185] EXPR var_75_arg_0 & var_75_arg_1 [L185] SORT_3 var_75 = var_75_arg_0 & var_75_arg_1; [L186] SORT_3 var_78_arg_0 = state_76; [L187] SORT_3 var_78_arg_1 = var_28; [L188] SORT_3 var_78 = var_78_arg_0 == var_78_arg_1; [L189] SORT_3 var_79_arg_0 = var_75; [L190] SORT_3 var_79_arg_1 = var_78; [L191] EXPR var_79_arg_0 & var_79_arg_1 [L191] SORT_3 var_79 = var_79_arg_0 & var_79_arg_1; [L192] SORT_3 var_82_arg_0 = state_80; [L193] SORT_3 var_82_arg_1 = var_28; [L194] SORT_3 var_82 = var_82_arg_0 == var_82_arg_1; [L195] SORT_3 var_83_arg_0 = var_79; [L196] SORT_3 var_83_arg_1 = var_82; [L197] EXPR var_83_arg_0 & var_83_arg_1 [L197] SORT_3 var_83 = var_83_arg_0 & var_83_arg_1; [L198] SORT_1 var_44_arg_0 = state_25; [L199] SORT_43 var_44 = var_44_arg_0 >> 0; [L200] EXPR var_44 & mask_SORT_43 [L200] var_44 = var_44 & mask_SORT_43 [L201] SORT_43 var_84_arg_0 = var_44; [L202] SORT_43 var_84_arg_1 = var_45; [L203] SORT_3 var_84 = var_84_arg_0 != var_84_arg_1; [L204] SORT_3 var_85_arg_0 = var_83; [L205] SORT_3 var_85_arg_1 = var_84; [L206] EXPR var_85_arg_0 & var_85_arg_1 [L206] SORT_3 var_85 = var_85_arg_0 & var_85_arg_1; [L207] EXPR var_85 & mask_SORT_3 [L207] var_85 = var_85 & mask_SORT_3 [L208] SORT_3 var_50_arg_0 = var_27; [L209] SORT_3 var_50_arg_1 = var_28; [L210] SORT_3 var_50 = var_50_arg_0 == var_50_arg_1; [L211] SORT_1 var_53_arg_0 = state_25; [L212] SORT_1 var_53_arg_1 = state_51; [L213] SORT_3 var_53 = var_53_arg_0 == var_53_arg_1; [L214] SORT_3 var_54_arg_0 = var_50; [L215] SORT_3 var_54_arg_1 = var_53; [L216] EXPR var_54_arg_0 & var_54_arg_1 [L216] SORT_3 var_54 = var_54_arg_0 & var_54_arg_1; [L217] SORT_3 var_57_arg_0 = state_55; [L218] SORT_3 var_57_arg_1 = var_28; [L219] SORT_3 var_57 = var_57_arg_0 == var_57_arg_1; [L220] SORT_3 var_58_arg_0 = var_54; [L221] SORT_3 var_58_arg_1 = var_57; [L222] EXPR var_58_arg_0 & var_58_arg_1 [L222] SORT_3 var_58 = var_58_arg_0 & var_58_arg_1; [L223] SORT_3 var_61_arg_0 = state_59; [L224] SORT_3 var_61_arg_1 = var_28; [L225] SORT_3 var_61 = var_61_arg_0 == var_61_arg_1; [L226] SORT_3 var_62_arg_0 = var_58; [L227] SORT_3 var_62_arg_1 = var_61; [L228] EXPR var_62_arg_0 & var_62_arg_1 [L228] SORT_3 var_62 = var_62_arg_0 & var_62_arg_1; [L229] SORT_43 var_63_arg_0 = var_44; [L230] SORT_43 var_63_arg_1 = var_45; [L231] SORT_3 var_63 = var_63_arg_0 != var_63_arg_1; [L232] SORT_3 var_64_arg_0 = var_62; [L233] SORT_3 var_64_arg_1 = var_63; [L234] EXPR var_64_arg_0 & var_64_arg_1 [L234] SORT_3 var_64 = var_64_arg_0 & var_64_arg_1; [L235] EXPR var_64 & mask_SORT_3 [L235] var_64 = var_64 & mask_SORT_3 [L236] SORT_3 var_29_arg_0 = var_27; [L237] SORT_3 var_29_arg_1 = var_28; [L238] SORT_3 var_29 = var_29_arg_0 == var_29_arg_1; [L239] SORT_1 var_32_arg_0 = state_25; [L240] SORT_1 var_32_arg_1 = state_30; [L241] SORT_3 var_32 = var_32_arg_0 == var_32_arg_1; [L242] SORT_3 var_33_arg_0 = var_29; [L243] SORT_3 var_33_arg_1 = var_32; [L244] EXPR var_33_arg_0 & var_33_arg_1 [L244] SORT_3 var_33 = var_33_arg_0 & var_33_arg_1; [L245] SORT_3 var_37_arg_0 = state_35; [L246] SORT_3 var_37_arg_1 = var_28; [L247] SORT_3 var_37 = var_37_arg_0 == var_37_arg_1; [L248] SORT_3 var_38_arg_0 = var_33; [L249] SORT_3 var_38_arg_1 = var_37; [L250] EXPR var_38_arg_0 & var_38_arg_1 [L250] SORT_3 var_38 = var_38_arg_0 & var_38_arg_1; [L251] SORT_3 var_41_arg_0 = state_39; [L252] SORT_3 var_41_arg_1 = var_28; [L253] SORT_3 var_41 = var_41_arg_0 == var_41_arg_1; [L254] SORT_3 var_42_arg_0 = var_38; [L255] SORT_3 var_42_arg_1 = var_41; [L256] EXPR var_42_arg_0 & var_42_arg_1 [L256] SORT_3 var_42 = var_42_arg_0 & var_42_arg_1; [L257] SORT_43 var_46_arg_0 = var_44; [L258] SORT_43 var_46_arg_1 = var_45; [L259] SORT_3 var_46 = var_46_arg_0 != var_46_arg_1; [L260] SORT_3 var_47_arg_0 = var_42; [L261] SORT_3 var_47_arg_1 = var_46; [L262] EXPR var_47_arg_0 & var_47_arg_1 [L262] SORT_3 var_47 = var_47_arg_0 & var_47_arg_1; [L263] EXPR var_47 & mask_SORT_3 [L263] var_47 = var_47 & mask_SORT_3 [L264] SORT_3 var_48_arg_0 = var_47; [L265] SORT_21 var_48_arg_1 = var_23; [L266] SORT_21 var_48_arg_2 = var_22; [L267] SORT_21 var_48 = var_48_arg_0 ? var_48_arg_1 : var_48_arg_2; [L268] SORT_3 var_65_arg_0 = var_64; [L269] SORT_21 var_65_arg_1 = var_49; [L270] SORT_21 var_65_arg_2 = var_48; [L271] SORT_21 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L272] SORT_3 var_86_arg_0 = var_85; [L273] SORT_21 var_86_arg_1 = var_66; [L274] SORT_21 var_86_arg_2 = var_65; [L275] SORT_21 var_86 = var_86_arg_0 ? var_86_arg_1 : var_86_arg_2; [L276] EXPR var_86 & mask_SORT_21 [L276] var_86 = var_86 & mask_SORT_21 [L277] SORT_21 var_87_arg_0 = var_86; [L278] SORT_21 var_87_arg_1 = var_49; [L279] SORT_3 var_87 = var_87_arg_0 == var_87_arg_1; [L280] SORT_3 var_88_arg_0 = var_87; [L281] SORT_3 var_88 = ~var_88_arg_0; [L282] SORT_43 var_103_arg_0 = var_44; [L283] SORT_43 var_103_arg_1 = var_45; [L284] SORT_3 var_103 = var_103_arg_0 == var_103_arg_1; [L285] SORT_21 var_100_arg_0 = var_86; [L286] SORT_21 var_100_arg_1 = var_23; [L287] SORT_3 var_100 = var_100_arg_0 == var_100_arg_1; [L288] SORT_21 var_98_arg_0 = var_86; [L289] SORT_21 var_98_arg_1 = var_22; [L290] SORT_3 var_98 = var_98_arg_0 == var_98_arg_1; [L291] SORT_3 var_101_arg_0 = var_100; [L292] SORT_3 var_101_arg_1 = var_98; [L293] EXPR var_101_arg_0 | var_101_arg_1 [L293] SORT_3 var_101 = var_101_arg_0 | var_101_arg_1; [L294] EXPR var_101 & mask_SORT_3 [L294] var_101 = var_101 & mask_SORT_3 [L295] SORT_3 var_99_arg_0 = var_98; [L296] SORT_6 var_99_arg_1 = var_89; [L297] SORT_6 var_99_arg_2 = state_96; [L298] SORT_6 var_99 = var_99_arg_0 ? var_99_arg_1 : var_99_arg_2; [L299] SORT_21 var_94_arg_0 = var_86; [L300] SORT_21 var_94_arg_1 = var_49; [L301] SORT_3 var_94 = var_94_arg_0 == var_94_arg_1; [L302] SORT_3 var_95_arg_0 = var_94; [L303] SORT_6 var_95_arg_1 = state_92; [L304] SORT_6 var_95_arg_2 = state_90; [L305] SORT_6 var_95 = var_95_arg_0 ? var_95_arg_1 : var_95_arg_2; [L306] SORT_3 var_102_arg_0 = var_101; [L307] SORT_6 var_102_arg_1 = var_99; [L308] SORT_6 var_102_arg_2 = var_95; [L309] SORT_6 var_102 = var_102_arg_0 ? var_102_arg_1 : var_102_arg_2; [L310] SORT_3 var_104_arg_0 = var_103; [L311] SORT_6 var_104_arg_1 = var_89; [L312] SORT_6 var_104_arg_2 = var_102; [L313] SORT_6 var_104 = var_104_arg_0 ? var_104_arg_1 : var_104_arg_2; [L314] SORT_6 var_105_arg_0 = var_104; [L315] SORT_1 var_105 = var_105_arg_0 >> 26; [L316] EXPR var_105 & mask_SORT_1 [L316] var_105 = var_105 & mask_SORT_1 [L317] SORT_6 var_106_arg_0 = state_90; [L318] SORT_1 var_106 = var_106_arg_0 >> 26; [L319] EXPR var_106 & mask_SORT_1 [L319] var_106 = var_106 & mask_SORT_1 [L320] SORT_1 var_107_arg_0 = var_105; [L321] SORT_1 var_107_arg_1 = var_106; [L322] SORT_3 var_107 = var_107_arg_0 == var_107_arg_1; [L323] SORT_3 var_108_arg_0 = var_88; [L324] SORT_3 var_108_arg_1 = var_107; [L325] EXPR var_108_arg_0 | var_108_arg_1 [L325] SORT_3 var_108 = var_108_arg_0 | var_108_arg_1; [L326] SORT_3 var_109_arg_0 = var_108; [L327] SORT_3 var_109 = ~var_109_arg_0; [L328] SORT_3 var_112_arg_0 = var_109; [L329] SORT_3 var_112 = ~var_112_arg_0; [L330] SORT_3 var_113_arg_0 = var_28; [L331] SORT_3 var_113_arg_1 = var_112; [L332] EXPR var_113_arg_0 & var_113_arg_1 [L332] SORT_3 var_113 = var_113_arg_0 & var_113_arg_1; [L333] EXPR var_113 & mask_SORT_3 [L333] var_113 = var_113 & mask_SORT_3 [L334] SORT_3 bad_114_arg_0 = var_113; [L335] CALL __VERIFIER_assert(!(bad_114_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, 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: TRACE_CHECK: 0.1s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:56:53,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad650db-e754-4379-ae8a-07a26b1e16cb/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad650db-e754-4379-ae8a-07a26b1e16cb/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad650db-e754-4379-ae8a-07a26b1e16cb/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad650db-e754-4379-ae8a-07a26b1e16cb/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad650db-e754-4379-ae8a-07a26b1e16cb/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_fru32_p3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad650db-e754-4379-ae8a-07a26b1e16cb/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad650db-e754-4379-ae8a-07a26b1e16cb/bin/utaipan-verify-SwPr7d2a91 --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 45bfa32c6b634390125a13abc4f6844d47a46f27aa4ffd4fb1f61e72ec5b5312 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:56:56,916 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:56:57,055 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad650db-e754-4379-ae8a-07a26b1e16cb/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-11-24 23:56:57,064 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:56:57,065 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:56:57,111 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:56:57,112 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:56:57,112 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:56:57,113 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:56:57,119 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:56:57,119 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:56:57,120 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:56:57,120 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:56:57,122 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:56:57,123 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:56:57,123 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:56:57,124 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:56:57,125 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:56:57,125 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:56:57,127 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:56:57,127 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:56:57,128 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:56:57,128 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:56:57,129 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:56:57,129 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:56:57,130 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:56:57,130 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:56:57,131 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:56:57,131 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:56:57,131 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:56:57,133 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:56:57,133 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:56:57,134 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:56:57,134 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:56:57,135 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:56:57,135 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:56:57,135 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:56:57,136 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:56:57,136 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:56:57,137 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:56:57,137 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:56:57,138 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad650db-e754-4379-ae8a-07a26b1e16cb/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad650db-e754-4379-ae8a-07a26b1e16cb/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45bfa32c6b634390125a13abc4f6844d47a46f27aa4ffd4fb1f61e72ec5b5312 [2023-11-24 23:56:57,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:56:57,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:56:57,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:56:57,613 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:56:57,614 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:56:57,615 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad650db-e754-4379-ae8a-07a26b1e16cb/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_fru32_p3.c [2023-11-24 23:57:01,141 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:57:01,472 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:57:01,472 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad650db-e754-4379-ae8a-07a26b1e16cb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_fru32_p3.c [2023-11-24 23:57:01,491 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad650db-e754-4379-ae8a-07a26b1e16cb/bin/utaipan-verify-SwPr7d2a91/data/9797635c3/6b7a24d098b84aeba773d103b4204a66/FLAGd9631c949 [2023-11-24 23:57:01,508 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad650db-e754-4379-ae8a-07a26b1e16cb/bin/utaipan-verify-SwPr7d2a91/data/9797635c3/6b7a24d098b84aeba773d103b4204a66 [2023-11-24 23:57:01,510 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:57:01,512 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:57:01,514 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:57:01,514 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:57:01,519 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:57:01,520 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:57:01" (1/1) ... [2023-11-24 23:57:01,521 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61bae560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:01, skipping insertion in model container [2023-11-24 23:57:01,522 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:57:01" (1/1) ... [2023-11-24 23:57:01,563 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:57:01,736 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_aad650db-e754-4379-ae8a-07a26b1e16cb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_fru32_p3.c[1258,1271] [2023-11-24 23:57:01,862 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:57:01,877 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:57:01,892 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_aad650db-e754-4379-ae8a-07a26b1e16cb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_fru32_p3.c[1258,1271] [2023-11-24 23:57:02,006 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:57:02,035 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:57:02,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:02 WrapperNode [2023-11-24 23:57:02,045 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:57:02,047 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:57:02,047 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:57:02,047 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:57:02,055 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:02" (1/1) ... [2023-11-24 23:57:02,093 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:02" (1/1) ... [2023-11-24 23:57:02,177 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 470 [2023-11-24 23:57:02,178 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:57:02,179 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:57:02,179 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:57:02,179 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:57:02,192 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:02" (1/1) ... [2023-11-24 23:57:02,193 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:02" (1/1) ... [2023-11-24 23:57:02,200 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:02" (1/1) ... [2023-11-24 23:57:02,200 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:02" (1/1) ... [2023-11-24 23:57:02,218 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:02" (1/1) ... [2023-11-24 23:57:02,223 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:02" (1/1) ... [2023-11-24 23:57:02,227 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:02" (1/1) ... [2023-11-24 23:57:02,231 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:02" (1/1) ... [2023-11-24 23:57:02,254 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:57:02,255 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:57:02,256 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:57:02,256 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:57:02,257 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:02" (1/1) ... [2023-11-24 23:57:02,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:57:02,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad650db-e754-4379-ae8a-07a26b1e16cb/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:57:02,324 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad650db-e754-4379-ae8a-07a26b1e16cb/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:57:02,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad650db-e754-4379-ae8a-07a26b1e16cb/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:57:02,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:57:02,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:57:02,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:57:02,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:57:02,611 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:57:02,615 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:57:03,218 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:57:03,285 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:57:03,285 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:57:03,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:03 BoogieIcfgContainer [2023-11-24 23:57:03,286 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:57:03,290 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:57:03,291 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:57:03,295 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:57:03,296 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:57:01" (1/3) ... [2023-11-24 23:57:03,297 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6be35256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:57:03, skipping insertion in model container [2023-11-24 23:57:03,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:02" (2/3) ... [2023-11-24 23:57:03,298 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6be35256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:57:03, skipping insertion in model container [2023-11-24 23:57:03,298 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:03" (3/3) ... [2023-11-24 23:57:03,299 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_QF_BV_fru32_p3.c [2023-11-24 23:57:03,324 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:57:03,325 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:57:03,396 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:57:03,405 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1880f311, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:57:03,406 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:57:03,411 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:57:03,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:57:03,419 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:57:03,420 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-24 23:57:03,421 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:57:03,429 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:57:03,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-11-24 23:57:03,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:57:03,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2015377445] [2023-11-24 23:57:03,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:03,470 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:57:03,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad650db-e754-4379-ae8a-07a26b1e16cb/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:57:03,476 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad650db-e754-4379-ae8a-07a26b1e16cb/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:57:03,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad650db-e754-4379-ae8a-07a26b1e16cb/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-24 23:57:03,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:57:03,826 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:57:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:57:04,121 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-11-24 23:57:04,124 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:57:04,125 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 23:57:04,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad650db-e754-4379-ae8a-07a26b1e16cb/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:57:04,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad650db-e754-4379-ae8a-07a26b1e16cb/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:57:04,339 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 23:57:04,350 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:57:04,436 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-24 23:57:04,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:57:04 BoogieIcfgContainer [2023-11-24 23:57:04,458 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:57:04,458 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:57:04,459 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:57:04,459 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:57:04,459 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:03" (3/4) ... [2023-11-24 23:57:04,461 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-24 23:57:04,498 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-24 23:57:04,657 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad650db-e754-4379-ae8a-07a26b1e16cb/bin/utaipan-verify-SwPr7d2a91/witness.graphml [2023-11-24 23:57:04,657 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:57:04,659 INFO L158 Benchmark]: Toolchain (without parser) took 3146.27ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 61.2MB in the beginning and 66.7MB in the end (delta: -5.6MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2023-11-24 23:57:04,659 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 65.0MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:57:04,660 INFO L158 Benchmark]: CACSL2BoogieTranslator took 532.37ms. Allocated memory is still 86.0MB. Free memory was 61.0MB in the beginning and 59.5MB in the end (delta: 1.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-24 23:57:04,660 INFO L158 Benchmark]: Boogie Procedure Inliner took 131.19ms. Allocated memory is still 86.0MB. Free memory was 59.5MB in the beginning and 55.8MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:57:04,661 INFO L158 Benchmark]: Boogie Preprocessor took 75.91ms. Allocated memory is still 86.0MB. Free memory was 55.8MB in the beginning and 53.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:57:04,661 INFO L158 Benchmark]: RCFGBuilder took 1032.59ms. Allocated memory is still 86.0MB. Free memory was 52.8MB in the beginning and 40.5MB in the end (delta: 12.3MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2023-11-24 23:57:04,662 INFO L158 Benchmark]: TraceAbstraction took 1167.32ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 40.1MB in the beginning and 73.6MB in the end (delta: -33.5MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2023-11-24 23:57:04,663 INFO L158 Benchmark]: Witness Printer took 198.84ms. Allocated memory is still 104.9MB. Free memory was 73.0MB in the beginning and 66.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 23:57:04,666 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 65.0MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 532.37ms. Allocated memory is still 86.0MB. Free memory was 61.0MB in the beginning and 59.5MB in the end (delta: 1.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 131.19ms. Allocated memory is still 86.0MB. Free memory was 59.5MB in the beginning and 55.8MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.91ms. Allocated memory is still 86.0MB. Free memory was 55.8MB in the beginning and 53.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1032.59ms. Allocated memory is still 86.0MB. Free memory was 52.8MB in the beginning and 40.5MB in the end (delta: 12.3MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1167.32ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 40.1MB in the beginning and 73.6MB in the end (delta: -33.5MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Witness Printer took 198.84ms. Allocated memory is still 104.9MB. Free memory was 73.0MB in the beginning and 66.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 21]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 6); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (6 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L32] const SORT_6 mask_SORT_6 = (SORT_6)-1 >> (sizeof(SORT_6) * 8 - 32); [L33] const SORT_6 msb_SORT_6 = (SORT_6)1 << (32 - 1); [L35] const SORT_21 mask_SORT_21 = (SORT_21)-1 >> (sizeof(SORT_21) * 8 - 2); [L36] const SORT_21 msb_SORT_21 = (SORT_21)1 << (2 - 1); [L38] const SORT_43 mask_SORT_43 = (SORT_43)-1 >> (sizeof(SORT_43) * 8 - 5); [L39] const SORT_43 msb_SORT_43 = (SORT_43)1 << (5 - 1); [L41] const SORT_21 var_22 = 0; [L42] const SORT_21 var_23 = 1; [L43] const SORT_1 var_24 = 0; [L44] const SORT_3 var_28 = 1; [L45] const SORT_3 var_34 = 0; [L46] const SORT_43 var_45 = 31; [L47] const SORT_21 var_49 = 2; [L48] const SORT_21 var_66 = 3; [L49] const SORT_6 var_89 = 0; [L51] SORT_1 input_2; [L52] SORT_3 input_4; [L53] SORT_1 input_5; [L54] SORT_6 input_7; [L55] SORT_3 input_8; [L56] SORT_6 input_9; [L57] SORT_1 input_10; [L58] SORT_1 input_11; [L59] SORT_1 input_12; [L60] SORT_3 input_13; [L61] SORT_3 input_14; [L62] SORT_3 input_15; [L63] SORT_3 input_16; [L64] SORT_3 input_17; [L65] SORT_3 input_18; [L66] SORT_3 input_19; [L67] SORT_3 input_20; [L68] SORT_3 input_119; [L69] SORT_3 input_123; [L70] SORT_1 input_125; [L71] SORT_3 input_127; [L72] SORT_21 input_130; [L73] SORT_3 input_132; [L74] SORT_6 input_135; [L75] SORT_3 input_137; [L77] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L78] SORT_1 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L79] SORT_3 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L80] SORT_3 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L81] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] SORT_3 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L83] SORT_3 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L84] SORT_1 state_68 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] SORT_3 state_72 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L86] SORT_3 state_76 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L87] SORT_3 state_80 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L88] SORT_6 state_90 = __VERIFIER_nondet_uint() & mask_SORT_6; [L89] SORT_6 state_92 = __VERIFIER_nondet_uint() & mask_SORT_6; [L90] SORT_6 state_96 = __VERIFIER_nondet_uint() & mask_SORT_6; [L91] SORT_1 state_115 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L92] SORT_3 state_117 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L93] SORT_3 state_121 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L95] SORT_1 init_26_arg_1 = var_24; [L96] state_25 = init_26_arg_1 [L97] SORT_1 init_31_arg_1 = var_24; [L98] state_30 = init_31_arg_1 [L99] SORT_3 init_36_arg_1 = var_34; [L100] state_35 = init_36_arg_1 [L101] SORT_3 init_40_arg_1 = var_34; [L102] state_39 = init_40_arg_1 [L103] SORT_1 init_52_arg_1 = var_24; [L104] state_51 = init_52_arg_1 [L105] SORT_3 init_56_arg_1 = var_34; [L106] state_55 = init_56_arg_1 [L107] SORT_3 init_60_arg_1 = var_34; [L108] state_59 = init_60_arg_1 [L109] SORT_1 init_69_arg_1 = var_24; [L110] state_68 = init_69_arg_1 [L111] SORT_3 init_73_arg_1 = var_34; [L112] state_72 = init_73_arg_1 [L113] SORT_3 init_77_arg_1 = var_34; [L114] state_76 = init_77_arg_1 [L115] SORT_3 init_81_arg_1 = var_34; [L116] state_80 = init_81_arg_1 [L117] SORT_6 init_91_arg_1 = var_89; [L118] state_90 = init_91_arg_1 [L119] SORT_6 init_93_arg_1 = var_89; [L120] state_92 = init_93_arg_1 [L121] SORT_6 init_97_arg_1 = var_89; [L122] state_96 = init_97_arg_1 [L123] SORT_1 init_116_arg_1 = var_24; [L124] state_115 = init_116_arg_1 [L125] SORT_3 init_118_arg_1 = var_34; [L126] state_117 = init_118_arg_1 [L127] SORT_3 init_122_arg_1 = var_34; [L128] state_121 = init_122_arg_1 VAL [init_116_arg_1=0, init_118_arg_1=0, init_122_arg_1=0, init_26_arg_1=0, init_31_arg_1=0, init_36_arg_1=0, init_40_arg_1=0, init_52_arg_1=0, init_56_arg_1=0, init_60_arg_1=0, init_69_arg_1=0, init_73_arg_1=0, init_77_arg_1=0, init_81_arg_1=0, init_91_arg_1=0, init_93_arg_1=0, init_97_arg_1=0, mask_SORT_1=63, mask_SORT_21=3, mask_SORT_3=1, mask_SORT_43=31, mask_SORT_6=4294967295, msb_SORT_1=32, msb_SORT_21=2, msb_SORT_3=1, msb_SORT_43=16, msb_SORT_6=2147483648, state_115=0, state_117=0, state_121=0, state_25=0, state_30=0, state_35=0, state_39=0, state_51=0, state_55=0, state_59=0, state_68=0, state_72=0, state_76=0, state_80=0, state_90=0, state_92=0, state_96=0, var_22=0, var_23=1, var_24=0, var_28=1, var_34=0, var_45=31, var_49=2, var_66=3, var_89=0] [L131] input_2 = __VERIFIER_nondet_uchar() [L132] input_4 = __VERIFIER_nondet_uchar() [L133] input_4 = input_4 & mask_SORT_3 [L134] input_5 = __VERIFIER_nondet_uchar() [L135] input_5 = input_5 & mask_SORT_1 [L136] input_7 = __VERIFIER_nondet_uint() [L137] input_8 = __VERIFIER_nondet_uchar() [L138] input_8 = input_8 & mask_SORT_3 [L139] input_9 = __VERIFIER_nondet_uint() [L140] input_10 = __VERIFIER_nondet_uchar() [L141] input_10 = input_10 & mask_SORT_1 [L142] input_11 = __VERIFIER_nondet_uchar() [L143] input_11 = input_11 & mask_SORT_1 [L144] input_12 = __VERIFIER_nondet_uchar() [L145] input_13 = __VERIFIER_nondet_uchar() [L146] input_14 = __VERIFIER_nondet_uchar() [L147] input_14 = input_14 & mask_SORT_3 [L148] input_15 = __VERIFIER_nondet_uchar() [L149] input_16 = __VERIFIER_nondet_uchar() [L150] input_16 = input_16 & mask_SORT_3 [L151] input_17 = __VERIFIER_nondet_uchar() [L152] input_17 = input_17 & mask_SORT_3 [L153] input_18 = __VERIFIER_nondet_uchar() [L154] input_18 = input_18 & mask_SORT_3 [L155] input_19 = __VERIFIER_nondet_uchar() [L156] input_19 = input_19 & mask_SORT_3 [L157] input_20 = __VERIFIER_nondet_uchar() [L158] input_119 = __VERIFIER_nondet_uchar() [L159] input_123 = __VERIFIER_nondet_uchar() [L160] input_125 = __VERIFIER_nondet_uchar() [L161] input_127 = __VERIFIER_nondet_uchar() [L162] input_130 = __VERIFIER_nondet_uchar() [L163] input_132 = __VERIFIER_nondet_uchar() [L164] input_135 = __VERIFIER_nondet_uint() [L165] input_137 = __VERIFIER_nondet_uchar() [L168] SORT_1 var_27_arg_0 = state_25; [L169] SORT_3 var_27 = var_27_arg_0 >> 5; [L170] var_27 = var_27 & mask_SORT_3 [L171] SORT_3 var_67_arg_0 = var_27; [L172] SORT_3 var_67_arg_1 = var_28; [L173] SORT_3 var_67 = var_67_arg_0 == var_67_arg_1; [L174] SORT_1 var_70_arg_0 = state_25; [L175] SORT_1 var_70_arg_1 = state_68; [L176] SORT_3 var_70 = var_70_arg_0 == var_70_arg_1; [L177] SORT_3 var_71_arg_0 = var_67; [L178] SORT_3 var_71_arg_1 = var_70; [L179] SORT_3 var_71 = var_71_arg_0 & var_71_arg_1; [L180] SORT_3 var_74_arg_0 = state_72; [L181] SORT_3 var_74_arg_1 = var_28; [L182] SORT_3 var_74 = var_74_arg_0 != var_74_arg_1; [L183] SORT_3 var_75_arg_0 = var_71; [L184] SORT_3 var_75_arg_1 = var_74; [L185] SORT_3 var_75 = var_75_arg_0 & var_75_arg_1; [L186] SORT_3 var_78_arg_0 = state_76; [L187] SORT_3 var_78_arg_1 = var_28; [L188] SORT_3 var_78 = var_78_arg_0 == var_78_arg_1; [L189] SORT_3 var_79_arg_0 = var_75; [L190] SORT_3 var_79_arg_1 = var_78; [L191] SORT_3 var_79 = var_79_arg_0 & var_79_arg_1; [L192] SORT_3 var_82_arg_0 = state_80; [L193] SORT_3 var_82_arg_1 = var_28; [L194] SORT_3 var_82 = var_82_arg_0 == var_82_arg_1; [L195] SORT_3 var_83_arg_0 = var_79; [L196] SORT_3 var_83_arg_1 = var_82; [L197] SORT_3 var_83 = var_83_arg_0 & var_83_arg_1; [L198] SORT_1 var_44_arg_0 = state_25; [L199] SORT_43 var_44 = var_44_arg_0 >> 0; [L200] var_44 = var_44 & mask_SORT_43 [L201] SORT_43 var_84_arg_0 = var_44; [L202] SORT_43 var_84_arg_1 = var_45; [L203] SORT_3 var_84 = var_84_arg_0 != var_84_arg_1; [L204] SORT_3 var_85_arg_0 = var_83; [L205] SORT_3 var_85_arg_1 = var_84; [L206] SORT_3 var_85 = var_85_arg_0 & var_85_arg_1; [L207] var_85 = var_85 & mask_SORT_3 [L208] SORT_3 var_50_arg_0 = var_27; [L209] SORT_3 var_50_arg_1 = var_28; [L210] SORT_3 var_50 = var_50_arg_0 == var_50_arg_1; [L211] SORT_1 var_53_arg_0 = state_25; [L212] SORT_1 var_53_arg_1 = state_51; [L213] SORT_3 var_53 = var_53_arg_0 == var_53_arg_1; [L214] SORT_3 var_54_arg_0 = var_50; [L215] SORT_3 var_54_arg_1 = var_53; [L216] SORT_3 var_54 = var_54_arg_0 & var_54_arg_1; [L217] SORT_3 var_57_arg_0 = state_55; [L218] SORT_3 var_57_arg_1 = var_28; [L219] SORT_3 var_57 = var_57_arg_0 == var_57_arg_1; [L220] SORT_3 var_58_arg_0 = var_54; [L221] SORT_3 var_58_arg_1 = var_57; [L222] SORT_3 var_58 = var_58_arg_0 & var_58_arg_1; [L223] SORT_3 var_61_arg_0 = state_59; [L224] SORT_3 var_61_arg_1 = var_28; [L225] SORT_3 var_61 = var_61_arg_0 == var_61_arg_1; [L226] SORT_3 var_62_arg_0 = var_58; [L227] SORT_3 var_62_arg_1 = var_61; [L228] SORT_3 var_62 = var_62_arg_0 & var_62_arg_1; [L229] SORT_43 var_63_arg_0 = var_44; [L230] SORT_43 var_63_arg_1 = var_45; [L231] SORT_3 var_63 = var_63_arg_0 != var_63_arg_1; [L232] SORT_3 var_64_arg_0 = var_62; [L233] SORT_3 var_64_arg_1 = var_63; [L234] SORT_3 var_64 = var_64_arg_0 & var_64_arg_1; [L235] var_64 = var_64 & mask_SORT_3 [L236] SORT_3 var_29_arg_0 = var_27; [L237] SORT_3 var_29_arg_1 = var_28; [L238] SORT_3 var_29 = var_29_arg_0 == var_29_arg_1; [L239] SORT_1 var_32_arg_0 = state_25; [L240] SORT_1 var_32_arg_1 = state_30; [L241] SORT_3 var_32 = var_32_arg_0 == var_32_arg_1; [L242] SORT_3 var_33_arg_0 = var_29; [L243] SORT_3 var_33_arg_1 = var_32; [L244] SORT_3 var_33 = var_33_arg_0 & var_33_arg_1; [L245] SORT_3 var_37_arg_0 = state_35; [L246] SORT_3 var_37_arg_1 = var_28; [L247] SORT_3 var_37 = var_37_arg_0 == var_37_arg_1; [L248] SORT_3 var_38_arg_0 = var_33; [L249] SORT_3 var_38_arg_1 = var_37; [L250] SORT_3 var_38 = var_38_arg_0 & var_38_arg_1; [L251] SORT_3 var_41_arg_0 = state_39; [L252] SORT_3 var_41_arg_1 = var_28; [L253] SORT_3 var_41 = var_41_arg_0 == var_41_arg_1; [L254] SORT_3 var_42_arg_0 = var_38; [L255] SORT_3 var_42_arg_1 = var_41; [L256] SORT_3 var_42 = var_42_arg_0 & var_42_arg_1; [L257] SORT_43 var_46_arg_0 = var_44; [L258] SORT_43 var_46_arg_1 = var_45; [L259] SORT_3 var_46 = var_46_arg_0 != var_46_arg_1; [L260] SORT_3 var_47_arg_0 = var_42; [L261] SORT_3 var_47_arg_1 = var_46; [L262] SORT_3 var_47 = var_47_arg_0 & var_47_arg_1; [L263] var_47 = var_47 & mask_SORT_3 [L264] SORT_3 var_48_arg_0 = var_47; [L265] SORT_21 var_48_arg_1 = var_23; [L266] SORT_21 var_48_arg_2 = var_22; [L267] SORT_21 var_48 = var_48_arg_0 ? var_48_arg_1 : var_48_arg_2; [L268] SORT_3 var_65_arg_0 = var_64; [L269] SORT_21 var_65_arg_1 = var_49; [L270] SORT_21 var_65_arg_2 = var_48; [L271] SORT_21 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L272] SORT_3 var_86_arg_0 = var_85; [L273] SORT_21 var_86_arg_1 = var_66; [L274] SORT_21 var_86_arg_2 = var_65; [L275] SORT_21 var_86 = var_86_arg_0 ? var_86_arg_1 : var_86_arg_2; [L276] var_86 = var_86 & mask_SORT_21 [L277] SORT_21 var_87_arg_0 = var_86; [L278] SORT_21 var_87_arg_1 = var_49; [L279] SORT_3 var_87 = var_87_arg_0 == var_87_arg_1; [L280] SORT_3 var_88_arg_0 = var_87; [L281] SORT_3 var_88 = ~var_88_arg_0; [L282] SORT_43 var_103_arg_0 = var_44; [L283] SORT_43 var_103_arg_1 = var_45; [L284] SORT_3 var_103 = var_103_arg_0 == var_103_arg_1; [L285] SORT_21 var_100_arg_0 = var_86; [L286] SORT_21 var_100_arg_1 = var_23; [L287] SORT_3 var_100 = var_100_arg_0 == var_100_arg_1; [L288] SORT_21 var_98_arg_0 = var_86; [L289] SORT_21 var_98_arg_1 = var_22; [L290] SORT_3 var_98 = var_98_arg_0 == var_98_arg_1; [L291] SORT_3 var_101_arg_0 = var_100; [L292] SORT_3 var_101_arg_1 = var_98; [L293] SORT_3 var_101 = var_101_arg_0 | var_101_arg_1; [L294] var_101 = var_101 & mask_SORT_3 [L295] SORT_3 var_99_arg_0 = var_98; [L296] SORT_6 var_99_arg_1 = var_89; [L297] SORT_6 var_99_arg_2 = state_96; [L298] SORT_6 var_99 = var_99_arg_0 ? var_99_arg_1 : var_99_arg_2; [L299] SORT_21 var_94_arg_0 = var_86; [L300] SORT_21 var_94_arg_1 = var_49; [L301] SORT_3 var_94 = var_94_arg_0 == var_94_arg_1; [L302] SORT_3 var_95_arg_0 = var_94; [L303] SORT_6 var_95_arg_1 = state_92; [L304] SORT_6 var_95_arg_2 = state_90; [L305] SORT_6 var_95 = var_95_arg_0 ? var_95_arg_1 : var_95_arg_2; [L306] SORT_3 var_102_arg_0 = var_101; [L307] SORT_6 var_102_arg_1 = var_99; [L308] SORT_6 var_102_arg_2 = var_95; [L309] SORT_6 var_102 = var_102_arg_0 ? var_102_arg_1 : var_102_arg_2; [L310] SORT_3 var_104_arg_0 = var_103; [L311] SORT_6 var_104_arg_1 = var_89; [L312] SORT_6 var_104_arg_2 = var_102; [L313] SORT_6 var_104 = var_104_arg_0 ? var_104_arg_1 : var_104_arg_2; [L314] SORT_6 var_105_arg_0 = var_104; [L315] SORT_1 var_105 = var_105_arg_0 >> 26; [L316] var_105 = var_105 & mask_SORT_1 [L317] SORT_6 var_106_arg_0 = state_90; [L318] SORT_1 var_106 = var_106_arg_0 >> 26; [L319] var_106 = var_106 & mask_SORT_1 [L320] SORT_1 var_107_arg_0 = var_105; [L321] SORT_1 var_107_arg_1 = var_106; [L322] SORT_3 var_107 = var_107_arg_0 == var_107_arg_1; [L323] SORT_3 var_108_arg_0 = var_88; [L324] SORT_3 var_108_arg_1 = var_107; [L325] SORT_3 var_108 = var_108_arg_0 | var_108_arg_1; [L326] SORT_3 var_109_arg_0 = var_108; [L327] SORT_3 var_109 = ~var_109_arg_0; [L328] SORT_3 var_112_arg_0 = var_109; [L329] SORT_3 var_112 = ~var_112_arg_0; [L330] SORT_3 var_113_arg_0 = var_28; [L331] SORT_3 var_113_arg_1 = var_112; [L332] SORT_3 var_113 = var_113_arg_0 & var_113_arg_1; [L333] var_113 = var_113 & mask_SORT_3 [L334] SORT_3 bad_114_arg_0 = var_113; [L335] CALL __VERIFIER_assert(!(bad_114_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, 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: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-11-24 23:57:04,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad650db-e754-4379-ae8a-07a26b1e16cb/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE