./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p12.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p12.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/bin/utaipan-verify-NcY6lQBIFX --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 d570de8a468b2e5d7e18a67170da2d8f06202ccdf10baa0799e3c0763140866e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 01:01:58,813 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 01:01:58,938 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 01:01:58,945 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 01:01:58,946 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 01:01:58,981 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 01:01:58,982 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 01:01:58,982 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 01:01:58,983 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 01:01:58,989 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 01:01:58,989 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 01:01:58,990 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 01:01:58,990 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 01:01:58,992 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 01:01:58,992 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 01:01:58,993 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 01:01:58,993 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 01:01:58,994 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 01:01:58,994 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 01:01:58,995 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 01:01:58,995 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 01:01:58,996 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 01:01:58,997 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 01:01:58,998 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 01:01:58,998 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 01:01:58,998 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 01:01:58,999 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 01:01:58,999 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 01:01:59,000 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 01:01:59,000 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 01:01:59,002 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 01:01:59,002 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 01:01:59,002 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 01:01:59,003 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:01:59,003 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 01:01:59,003 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 01:01:59,004 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 01:01:59,004 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 01:01:59,004 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 01:01:59,004 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 01:01:59,005 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 01:01:59,005 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 01:01:59,005 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_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d570de8a468b2e5d7e18a67170da2d8f06202ccdf10baa0799e3c0763140866e [2023-11-12 01:01:59,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 01:01:59,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 01:01:59,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 01:01:59,367 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 01:01:59,368 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 01:01:59,369 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p12.c [2023-11-12 01:02:02,488 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 01:02:02,803 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 01:02:02,804 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p12.c [2023-11-12 01:02:02,824 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/bin/utaipan-verify-NcY6lQBIFX/data/d45ec263b/f0738b133d2e411fa9f17534328378ca/FLAG6d2ed0492 [2023-11-12 01:02:02,845 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/bin/utaipan-verify-NcY6lQBIFX/data/d45ec263b/f0738b133d2e411fa9f17534328378ca [2023-11-12 01:02:02,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 01:02:02,849 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 01:02:02,850 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 01:02:02,851 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 01:02:02,856 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 01:02:02,857 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:02:02" (1/1) ... [2023-11-12 01:02:02,859 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@697a30aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:02, skipping insertion in model container [2023-11-12 01:02:02,859 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:02:02" (1/1) ... [2023-11-12 01:02:02,918 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 01:02:03,105 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_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p12.c[1259,1272] [2023-11-12 01:02:03,492 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:02:03,504 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 01:02:03,514 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_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p12.c[1259,1272] [2023-11-12 01:02:03,671 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:02:03,687 INFO L206 MainTranslator]: Completed translation [2023-11-12 01:02:03,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:03 WrapperNode [2023-11-12 01:02:03,693 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 01:02:03,695 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 01:02:03,695 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 01:02:03,695 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 01:02:03,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:03" (1/1) ... [2023-11-12 01:02:03,816 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:03" (1/1) ... [2023-11-12 01:02:04,100 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2523 [2023-11-12 01:02:04,101 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 01:02:04,102 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 01:02:04,102 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 01:02:04,102 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 01:02:04,112 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:03" (1/1) ... [2023-11-12 01:02:04,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:03" (1/1) ... [2023-11-12 01:02:04,170 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:03" (1/1) ... [2023-11-12 01:02:04,171 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:03" (1/1) ... [2023-11-12 01:02:04,257 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:03" (1/1) ... [2023-11-12 01:02:04,281 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:03" (1/1) ... [2023-11-12 01:02:04,303 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:03" (1/1) ... [2023-11-12 01:02:04,322 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:03" (1/1) ... [2023-11-12 01:02:04,358 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 01:02:04,359 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 01:02:04,359 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 01:02:04,360 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 01:02:04,361 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:03" (1/1) ... [2023-11-12 01:02:04,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:02:04,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 01:02:04,394 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 01:02:04,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 01:02:04,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 01:02:04,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 01:02:04,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 01:02:04,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 01:02:04,780 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 01:02:04,796 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 01:02:07,282 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 01:02:14,372 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 01:02:14,372 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 01:02:14,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:02:14 BoogieIcfgContainer [2023-11-12 01:02:14,377 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 01:02:14,383 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 01:02:14,383 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 01:02:14,388 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 01:02:14,388 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:02:02" (1/3) ... [2023-11-12 01:02:14,389 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@649603b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:02:14, skipping insertion in model container [2023-11-12 01:02:14,389 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:03" (2/3) ... [2023-11-12 01:02:14,391 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@649603b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:02:14, skipping insertion in model container [2023-11-12 01:02:14,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:02:14" (3/3) ... [2023-11-12 01:02:14,393 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsaR_p12.c [2023-11-12 01:02:14,418 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 01:02:14,418 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 01:02:14,486 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 01:02:14,495 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;@46d0261f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 01:02:14,496 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 01:02:14,501 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) [2023-11-12 01:02:14,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-12 01:02:14,514 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:02:14,515 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-12 01:02:14,516 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:02:14,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:02:14,525 INFO L85 PathProgramCache]: Analyzing trace with hash 74810605, now seen corresponding path program 1 times [2023-11-12 01:02:14,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:02:14,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343096318] [2023-11-12 01:02:14,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:02:14,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:02:15,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 01:02:15,469 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 01:02:16,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 01:02:16,178 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 01:02:16,180 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 01:02:16,182 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 01:02:16,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 01:02:16,190 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 01:02:16,196 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 01:02:16,254 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-12 01:02:16,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 01:02:16 BoogieIcfgContainer [2023-11-12 01:02:16,286 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 01:02:16,288 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 01:02:16,288 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 01:02:16,289 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 01:02:16,289 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:02:14" (3/4) ... [2023-11-12 01:02:16,293 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 01:02:16,295 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 01:02:16,296 INFO L158 Benchmark]: Toolchain (without parser) took 13447.06ms. Allocated memory was 180.4MB in the beginning and 1.1GB in the end (delta: 914.4MB). Free memory was 131.8MB in the beginning and 625.8MB in the end (delta: -494.0MB). Peak memory consumption was 423.5MB. Max. memory is 16.1GB. [2023-11-12 01:02:16,297 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 180.4MB. Free memory is still 150.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 01:02:16,298 INFO L158 Benchmark]: CACSL2BoogieTranslator took 843.64ms. Allocated memory is still 180.4MB. Free memory was 131.6MB in the beginning and 85.8MB in the end (delta: 45.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-12 01:02:16,299 INFO L158 Benchmark]: Boogie Procedure Inliner took 406.28ms. Allocated memory was 180.4MB in the beginning and 224.4MB in the end (delta: 44.0MB). Free memory was 85.8MB in the beginning and 141.5MB in the end (delta: -55.7MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2023-11-12 01:02:16,304 INFO L158 Benchmark]: Boogie Preprocessor took 256.25ms. Allocated memory is still 224.4MB. Free memory was 141.5MB in the beginning and 123.7MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-12 01:02:16,305 INFO L158 Benchmark]: RCFGBuilder took 10018.29ms. Allocated memory was 224.4MB in the beginning and 1.1GB in the end (delta: 870.3MB). Free memory was 123.7MB in the beginning and 766.3MB in the end (delta: -642.6MB). Peak memory consumption was 328.3MB. Max. memory is 16.1GB. [2023-11-12 01:02:16,307 INFO L158 Benchmark]: TraceAbstraction took 1903.16ms. Allocated memory is still 1.1GB. Free memory was 765.3MB in the beginning and 626.8MB in the end (delta: 138.4MB). Peak memory consumption was 138.4MB. Max. memory is 16.1GB. [2023-11-12 01:02:16,308 INFO L158 Benchmark]: Witness Printer took 6.75ms. Allocated memory is still 1.1GB. Free memory was 626.8MB in the beginning and 625.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 01:02:16,317 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 180.4MB. Free memory is still 150.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 843.64ms. Allocated memory is still 180.4MB. Free memory was 131.6MB in the beginning and 85.8MB in the end (delta: 45.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 406.28ms. Allocated memory was 180.4MB in the beginning and 224.4MB in the end (delta: 44.0MB). Free memory was 85.8MB in the beginning and 141.5MB in the end (delta: -55.7MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 256.25ms. Allocated memory is still 224.4MB. Free memory was 141.5MB in the beginning and 123.7MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * RCFGBuilder took 10018.29ms. Allocated memory was 224.4MB in the beginning and 1.1GB in the end (delta: 870.3MB). Free memory was 123.7MB in the beginning and 766.3MB in the end (delta: -642.6MB). Peak memory consumption was 328.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1903.16ms. Allocated memory is still 1.1GB. Free memory was 765.3MB in the beginning and 626.8MB in the end (delta: 138.4MB). Peak memory consumption was 138.4MB. Max. memory is 16.1GB. * Witness Printer took 6.75ms. Allocated memory is still 1.1GB. Free memory was 626.8MB in the beginning and 625.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 152, overapproximation of bitwiseAnd at line 159. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 5); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (5 - 1); [L32] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 12); [L33] const SORT_5 msb_SORT_5 = (SORT_5)1 << (12 - 1); [L35] const SORT_7 mask_SORT_7 = (SORT_7)-1 >> (sizeof(SORT_7) * 8 - 3); [L36] const SORT_7 msb_SORT_7 = (SORT_7)1 << (3 - 1); [L38] const SORT_26 mask_SORT_26 = (SORT_26)-1 >> (sizeof(SORT_26) * 8 - 2); [L39] const SORT_26 msb_SORT_26 = (SORT_26)1 << (2 - 1); [L41] const SORT_108 mask_SORT_108 = (SORT_108)-1 >> (sizeof(SORT_108) * 8 - 4); [L42] const SORT_108 msb_SORT_108 = (SORT_108)1 << (4 - 1); [L44] const SORT_165 mask_SORT_165 = (SORT_165)-1 >> (sizeof(SORT_165) * 8 - 32); [L45] const SORT_165 msb_SORT_165 = (SORT_165)1 << (32 - 1); [L47] const SORT_7 var_8 = 0; [L48] const SORT_3 var_15 = 0; [L49] const SORT_1 var_41 = 1; [L50] const SORT_1 var_51 = 0; [L51] const SORT_5 var_54 = 0; [L52] const SORT_7 var_68 = 2; [L53] const SORT_7 var_72 = 1; [L54] const SORT_7 var_77 = 4; [L55] const SORT_7 var_79 = 5; [L56] const SORT_7 var_83 = 3; [L57] const SORT_3 var_95 = 2; [L58] const SORT_7 var_125 = 7; [L59] const SORT_7 var_130 = 6; [L60] const SORT_165 var_167 = 0; [L61] const SORT_3 var_197 = 31; [L63] SORT_1 input_2; [L64] SORT_3 input_4; [L65] SORT_5 input_6; [L66] SORT_3 input_186; [L67] SORT_3 input_187; [L68] SORT_3 input_188; [L69] SORT_3 input_196; [L70] SORT_3 input_206; [L71] SORT_3 input_207; [L72] SORT_3 input_208; [L73] SORT_3 input_211; [L74] SORT_3 input_230; [L75] SORT_3 input_231; [L76] SORT_3 input_232; [L77] SORT_3 input_235; [L78] SORT_3 input_237; [L79] SORT_26 input_251; [L80] SORT_26 input_252; [L81] SORT_26 input_253; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_7 [L83] SORT_7 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_7; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L84] SORT_3 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L85] SORT_3 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L86] SORT_3 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L87] SORT_3 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L88] SORT_3 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L89] SORT_1 state_52 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L90] EXPR __VERIFIER_nondet_ushort() & mask_SORT_5 [L90] SORT_5 state_55 = __VERIFIER_nondet_ushort() & mask_SORT_5; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L91] SORT_3 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L92] SORT_3 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L93] SORT_3 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L94] SORT_3 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L95] SORT_3 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L97] SORT_7 init_10_arg_1 = var_8; [L98] state_9 = init_10_arg_1 [L99] SORT_3 init_17_arg_1 = var_15; [L100] state_16 = init_17_arg_1 [L101] SORT_3 init_20_arg_1 = var_15; [L102] state_19 = init_20_arg_1 [L103] SORT_3 init_46_arg_1 = var_15; [L104] state_45 = init_46_arg_1 [L105] SORT_3 init_48_arg_1 = var_15; [L106] state_47 = init_48_arg_1 [L107] SORT_3 init_50_arg_1 = var_15; [L108] state_49 = init_50_arg_1 [L109] SORT_1 init_53_arg_1 = var_51; [L110] state_52 = init_53_arg_1 [L111] SORT_5 init_56_arg_1 = var_54; [L112] state_55 = init_56_arg_1 [L113] SORT_3 init_58_arg_1 = var_15; [L114] state_57 = init_58_arg_1 [L115] SORT_3 init_60_arg_1 = var_15; [L116] state_59 = init_60_arg_1 [L117] SORT_3 init_62_arg_1 = var_15; [L118] state_61 = init_62_arg_1 [L119] SORT_3 init_64_arg_1 = var_15; [L120] state_63 = init_64_arg_1 [L121] SORT_3 init_66_arg_1 = var_15; [L122] state_65 = init_66_arg_1 VAL [init_10_arg_1=0, init_17_arg_1=0, init_20_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_53_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, mask_SORT_108=15, mask_SORT_165=4294967295, mask_SORT_1=1, mask_SORT_26=3, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, msb_SORT_108=8, msb_SORT_165=2147483648, msb_SORT_1=1, msb_SORT_26=2, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, state_16=0, state_19=0, state_45=0, state_47=0, state_49=0, state_52=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_9=0, var_125=7, var_130=6, var_15=0, var_167=0, var_197=31, var_41=1, var_51=0, var_54=0, var_68=2, var_72=1, var_77=4, var_79=5, var_83=3, var_8=0, var_95=2] [L125] input_2 = __VERIFIER_nondet_uchar() [L126] input_4 = __VERIFIER_nondet_uchar() [L127] input_6 = __VERIFIER_nondet_ushort() [L128] input_186 = __VERIFIER_nondet_uchar() [L129] input_187 = __VERIFIER_nondet_uchar() [L130] input_188 = __VERIFIER_nondet_uchar() [L131] input_196 = __VERIFIER_nondet_uchar() [L132] input_206 = __VERIFIER_nondet_uchar() [L133] input_207 = __VERIFIER_nondet_uchar() [L134] input_208 = __VERIFIER_nondet_uchar() [L135] input_211 = __VERIFIER_nondet_uchar() [L136] input_230 = __VERIFIER_nondet_uchar() [L137] input_231 = __VERIFIER_nondet_uchar() [L138] input_232 = __VERIFIER_nondet_uchar() [L139] input_235 = __VERIFIER_nondet_uchar() [L140] input_237 = __VERIFIER_nondet_uchar() [L141] input_251 = __VERIFIER_nondet_uchar() [L142] input_252 = __VERIFIER_nondet_uchar() [L143] input_253 = __VERIFIER_nondet_uchar() [L146] SORT_7 var_11_arg_0 = state_9; [L147] SORT_1 var_11 = var_11_arg_0 >> 0; [L148] SORT_7 var_12_arg_0 = state_9; [L149] SORT_1 var_12 = var_12_arg_0 >> 1; [L150] SORT_1 var_13_arg_0 = var_11; [L151] SORT_1 var_13_arg_1 = var_12; [L152] EXPR var_13_arg_0 | var_13_arg_1 [L152] SORT_1 var_13 = var_13_arg_0 | var_13_arg_1; [L153] SORT_1 var_14_arg_0 = var_13; [L154] SORT_1 var_14 = ~var_14_arg_0; [L155] SORT_3 var_18_arg_0 = state_16; [L156] SORT_1 var_18 = var_18_arg_0 >> 1; [L157] SORT_3 var_21_arg_0 = state_19; [L158] SORT_7 var_21 = var_21_arg_0 >> 2; [L159] EXPR var_21 & mask_SORT_7 [L159] var_21 = var_21 & mask_SORT_7 [L160] SORT_3 var_22_arg_0 = state_16; [L161] SORT_7 var_22 = var_22_arg_0 >> 2; [L162] EXPR var_22 & mask_SORT_7 [L162] var_22 = var_22 & mask_SORT_7 [L163] SORT_7 var_23_arg_0 = var_21; [L164] SORT_7 var_23_arg_1 = var_22; [L165] SORT_1 var_23 = var_23_arg_0 == var_23_arg_1; [L166] SORT_1 var_24_arg_0 = var_18; [L167] SORT_1 var_24_arg_1 = var_23; [L168] EXPR var_24_arg_0 | var_24_arg_1 [L168] SORT_1 var_24 = var_24_arg_0 | var_24_arg_1; [L169] SORT_3 var_25_arg_0 = state_16; [L170] SORT_1 var_25 = var_25_arg_0 >> 2; [L171] SORT_3 var_27_arg_0 = state_19; [L172] SORT_26 var_27 = var_27_arg_0 >> 3; [L173] EXPR var_27 & mask_SORT_26 [L173] var_27 = var_27 & mask_SORT_26 [L174] SORT_3 var_28_arg_0 = state_16; [L175] SORT_26 var_28 = var_28_arg_0 >> 3; [L176] EXPR var_28 & mask_SORT_26 [L176] var_28 = var_28 & mask_SORT_26 [L177] SORT_26 var_29_arg_0 = var_27; [L178] SORT_26 var_29_arg_1 = var_28; [L179] SORT_1 var_29 = var_29_arg_0 == var_29_arg_1; [L180] SORT_1 var_30_arg_0 = var_25; [L181] SORT_1 var_30_arg_1 = var_29; [L182] EXPR var_30_arg_0 | var_30_arg_1 [L182] SORT_1 var_30 = var_30_arg_0 | var_30_arg_1; [L183] SORT_1 var_31_arg_0 = var_24; [L184] SORT_1 var_31_arg_1 = var_30; [L185] EXPR var_31_arg_0 & var_31_arg_1 [L185] SORT_1 var_31 = var_31_arg_0 & var_31_arg_1; [L186] SORT_3 var_32_arg_0 = state_16; [L187] SORT_1 var_32 = var_32_arg_0 >> 3; [L188] SORT_3 var_33_arg_0 = state_19; [L189] SORT_1 var_33 = var_33_arg_0 >> 4; [L190] EXPR var_33 & mask_SORT_1 [L190] var_33 = var_33 & mask_SORT_1 [L191] SORT_3 var_34_arg_0 = state_16; [L192] SORT_1 var_34 = var_34_arg_0 >> 4; [L193] EXPR var_34 & mask_SORT_1 [L193] var_34 = var_34 & mask_SORT_1 [L194] SORT_1 var_35_arg_0 = var_33; [L195] SORT_1 var_35_arg_1 = var_34; [L196] SORT_1 var_35 = var_35_arg_0 == var_35_arg_1; [L197] SORT_1 var_36_arg_0 = var_32; [L198] SORT_1 var_36_arg_1 = var_35; [L199] EXPR var_36_arg_0 | var_36_arg_1 [L199] SORT_1 var_36 = var_36_arg_0 | var_36_arg_1; [L200] SORT_1 var_37_arg_0 = var_31; [L201] SORT_1 var_37_arg_1 = var_36; [L202] EXPR var_37_arg_0 & var_37_arg_1 [L202] SORT_1 var_37 = var_37_arg_0 & var_37_arg_1; [L203] SORT_1 var_38_arg_0 = var_14; [L204] SORT_1 var_38_arg_1 = var_37; [L205] EXPR var_38_arg_0 | var_38_arg_1 [L205] SORT_1 var_38 = var_38_arg_0 | var_38_arg_1; [L206] SORT_1 var_42_arg_0 = var_38; [L207] SORT_1 var_42 = ~var_42_arg_0; [L208] SORT_1 var_43_arg_0 = var_41; [L209] SORT_1 var_43_arg_1 = var_42; [L210] EXPR var_43_arg_0 & var_43_arg_1 [L210] SORT_1 var_43 = var_43_arg_0 & var_43_arg_1; [L211] EXPR var_43 & mask_SORT_1 [L211] var_43 = var_43 & mask_SORT_1 [L212] SORT_1 bad_44_arg_0 = var_43; [L213] CALL __VERIFIER_assert(!(bad_44_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: 1.7s, 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: 0.0s SsaConstructionTime, 0.8s 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 [2023-11-12 01:02:16,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/bin/utaipan-verify-NcY6lQBIFX/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_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p12.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/bin/utaipan-verify-NcY6lQBIFX --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 d570de8a468b2e5d7e18a67170da2d8f06202ccdf10baa0799e3c0763140866e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 01:02:19,067 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 01:02:19,172 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-11-12 01:02:19,178 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 01:02:19,179 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 01:02:19,212 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 01:02:19,213 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 01:02:19,214 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 01:02:19,215 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 01:02:19,215 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 01:02:19,216 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 01:02:19,217 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 01:02:19,217 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 01:02:19,218 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 01:02:19,219 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 01:02:19,220 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 01:02:19,221 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 01:02:19,222 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 01:02:19,222 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 01:02:19,223 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 01:02:19,224 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 01:02:19,224 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 01:02:19,225 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 01:02:19,226 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 01:02:19,226 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 01:02:19,227 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 01:02:19,228 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 01:02:19,228 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 01:02:19,229 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 01:02:19,229 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 01:02:19,230 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:02:19,231 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 01:02:19,231 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 01:02:19,232 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 01:02:19,232 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 01:02:19,233 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 01:02:19,233 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 01:02:19,234 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 01:02:19,234 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 01:02:19,235 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_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d570de8a468b2e5d7e18a67170da2d8f06202ccdf10baa0799e3c0763140866e [2023-11-12 01:02:19,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 01:02:19,711 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 01:02:19,714 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 01:02:19,717 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 01:02:19,717 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 01:02:19,718 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p12.c [2023-11-12 01:02:23,385 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 01:02:23,804 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 01:02:23,805 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p12.c [2023-11-12 01:02:23,827 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/bin/utaipan-verify-NcY6lQBIFX/data/ec12bb4e2/357344c41e274628a9bf8288e0995a61/FLAGff723ff25 [2023-11-12 01:02:23,842 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/bin/utaipan-verify-NcY6lQBIFX/data/ec12bb4e2/357344c41e274628a9bf8288e0995a61 [2023-11-12 01:02:23,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 01:02:23,846 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 01:02:23,870 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 01:02:23,871 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 01:02:23,880 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 01:02:23,881 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:02:23" (1/1) ... [2023-11-12 01:02:23,882 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9c098b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:23, skipping insertion in model container [2023-11-12 01:02:23,882 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:02:23" (1/1) ... [2023-11-12 01:02:23,949 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 01:02:24,170 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_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p12.c[1259,1272] [2023-11-12 01:02:24,473 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:02:24,486 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 01:02:24,499 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_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p12.c[1259,1272] [2023-11-12 01:02:24,626 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:02:24,641 INFO L206 MainTranslator]: Completed translation [2023-11-12 01:02:24,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:24 WrapperNode [2023-11-12 01:02:24,642 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 01:02:24,643 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 01:02:24,643 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 01:02:24,644 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 01:02:24,651 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:24" (1/1) ... [2023-11-12 01:02:24,687 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:24" (1/1) ... [2023-11-12 01:02:24,811 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1119 [2023-11-12 01:02:24,812 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 01:02:24,813 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 01:02:24,813 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 01:02:24,814 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 01:02:24,823 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:24" (1/1) ... [2023-11-12 01:02:24,824 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:24" (1/1) ... [2023-11-12 01:02:24,845 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:24" (1/1) ... [2023-11-12 01:02:24,852 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:24" (1/1) ... [2023-11-12 01:02:24,900 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:24" (1/1) ... [2023-11-12 01:02:24,926 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:24" (1/1) ... [2023-11-12 01:02:24,932 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:24" (1/1) ... [2023-11-12 01:02:24,948 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:24" (1/1) ... [2023-11-12 01:02:24,965 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 01:02:24,973 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 01:02:24,974 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 01:02:24,974 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 01:02:24,975 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:24" (1/1) ... [2023-11-12 01:02:24,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:02:24,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 01:02:25,009 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 01:02:25,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 01:02:25,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 01:02:25,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 01:02:25,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 01:02:25,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 01:02:25,445 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 01:02:25,447 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 01:02:26,941 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 01:02:26,947 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 01:02:26,947 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 01:02:26,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:02:26 BoogieIcfgContainer [2023-11-12 01:02:26,950 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 01:02:26,954 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 01:02:26,954 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 01:02:26,958 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 01:02:26,959 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:02:23" (1/3) ... [2023-11-12 01:02:26,960 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3977e1ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:02:26, skipping insertion in model container [2023-11-12 01:02:26,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:24" (2/3) ... [2023-11-12 01:02:26,962 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3977e1ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:02:26, skipping insertion in model container [2023-11-12 01:02:26,963 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:02:26" (3/3) ... [2023-11-12 01:02:26,964 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsaR_p12.c [2023-11-12 01:02:26,985 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 01:02:26,985 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 01:02:27,043 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 01:02:27,050 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;@55b40db4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 01:02:27,051 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 01:02:27,056 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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) [2023-11-12 01:02:27,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-12 01:02:27,065 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:02:27,065 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-12 01:02:27,066 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:02:27,074 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:02:27,074 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2023-11-12 01:02:27,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 01:02:27,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1479561396] [2023-11-12 01:02:27,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:02:27,093 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 [2023-11-12 01:02:27,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 01:02:27,120 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 01:02:27,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 01:02:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:02:27,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-12 01:02:27,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 01:02:28,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 01:02:28,292 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 01:02:28,292 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 01:02:28,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1479561396] [2023-11-12 01:02:28,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1479561396] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:02:28,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:02:28,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 01:02:28,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129934156] [2023-11-12 01:02:28,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:02:28,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 01:02:28,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 01:02:28,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 01:02:28,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 01:02:28,343 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2023-11-12 01:02:28,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:02:28,609 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. [2023-11-12 01:02:28,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 01:02:28,612 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) Word has length 5 [2023-11-12 01:02:28,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:02:28,621 INFO L225 Difference]: With dead ends: 19 [2023-11-12 01:02:28,621 INFO L226 Difference]: Without dead ends: 10 [2023-11-12 01:02:28,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 01:02:28,630 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 3 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 01:02:28,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 01:02:28,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-11-12 01:02:28,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2023-11-12 01:02:28,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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) [2023-11-12 01:02:28,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-11-12 01:02:28,667 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2023-11-12 01:02:28,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:02:28,668 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-11-12 01:02:28,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2023-11-12 01:02:28,668 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-11-12 01:02:28,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 01:02:28,669 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:02:28,669 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2023-11-12 01:02:28,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 01:02:28,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 01:02:28,882 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:02:28,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:02:28,883 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2023-11-12 01:02:28,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 01:02:28,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1736777569] [2023-11-12 01:02:28,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:02:28,886 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 [2023-11-12 01:02:28,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 01:02:28,888 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 01:02:28,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/bin/utaipan-verify-NcY6lQBIFX/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 (3)] Waiting until timeout for monitored process [2023-11-12 01:02:30,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:02:30,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 999 conjuncts, 73 conjunts are in the unsatisfiable core [2023-11-12 01:02:30,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 01:02:31,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 01:02:31,480 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 01:02:42,569 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 01:02:42,569 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 01:02:42,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1736777569] [2023-11-12 01:02:42,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1736777569] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 01:02:42,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [339433158] [2023-11-12 01:02:42,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:02:42,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 01:02:42,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 01:02:42,579 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 01:02:42,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f7ec0b-a135-45c7-ae24-ce1ce75f0a1b/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-12 01:02:43,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:02:43,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 999 conjuncts, 96 conjunts are in the unsatisfiable core [2023-11-12 01:02:43,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 01:02:44,407 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 01:02:44,408 INFO L327 TraceCheckSpWp]: Computing backward predicates...