./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.4.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_2876670c-2015-4618-931a-4841befabdfb/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2876670c-2015-4618-931a-4841befabdfb/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2876670c-2015-4618-931a-4841befabdfb/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2876670c-2015-4618-931a-4841befabdfb/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.4.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2876670c-2015-4618-931a-4841befabdfb/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2876670c-2015-4618-931a-4841befabdfb/bin/utaipan-verify-mE87zJ7Ire --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 6862510c5698390d5bd831ffe42cda75e26815219c14438cdf15dc29b272b4ee --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:30:58,511 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:30:58,640 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2876670c-2015-4618-931a-4841befabdfb/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:30:58,648 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:30:58,649 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:30:58,689 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:30:58,690 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:30:58,691 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:30:58,692 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:30:58,697 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:30:58,698 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:30:58,698 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:30:58,699 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:30:58,700 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:30:58,701 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:30:58,701 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:30:58,702 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:30:58,702 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:30:58,703 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:30:58,704 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:30:58,704 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:30:58,705 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:30:58,706 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:30:58,707 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:30:58,707 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:30:58,708 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:30:58,708 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:30:58,709 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:30:58,709 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:30:58,710 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:30:58,711 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:30:58,712 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:30:58,712 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:30:58,712 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:30:58,713 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:30:58,713 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:30:58,713 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:30:58,714 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:30:58,714 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:30:58,714 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:30:58,715 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:30:58,715 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:30:58,716 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:30:58,716 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:30:58,717 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_2876670c-2015-4618-931a-4841befabdfb/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2876670c-2015-4618-931a-4841befabdfb/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6862510c5698390d5bd831ffe42cda75e26815219c14438cdf15dc29b272b4ee [2023-11-23 21:30:59,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:30:59,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:30:59,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:30:59,118 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:30:59,118 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:30:59,120 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2876670c-2015-4618-931a-4841befabdfb/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.4.prop1-func-interl.c [2023-11-23 21:31:02,384 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:31:02,789 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:31:02,790 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2876670c-2015-4618-931a-4841befabdfb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.4.prop1-func-interl.c [2023-11-23 21:31:02,817 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2876670c-2015-4618-931a-4841befabdfb/bin/utaipan-verify-mE87zJ7Ire/data/4ff77c3c1/d25674738caa4c148e3bbda2d08fc85c/FLAG0d20ca4e1 [2023-11-23 21:31:02,832 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2876670c-2015-4618-931a-4841befabdfb/bin/utaipan-verify-mE87zJ7Ire/data/4ff77c3c1/d25674738caa4c148e3bbda2d08fc85c [2023-11-23 21:31:02,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:31:02,836 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:31:02,838 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:31:02,838 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:31:02,844 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:31:02,845 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:31:02" (1/1) ... [2023-11-23 21:31:02,846 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@756d9955 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:02, skipping insertion in model container [2023-11-23 21:31:02,847 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:31:02" (1/1) ... [2023-11-23 21:31:02,946 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:31:03,225 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_2876670c-2015-4618-931a-4841befabdfb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.4.prop1-func-interl.c[1170,1183] [2023-11-23 21:31:03,933 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:31:03,945 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:31:03,959 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_2876670c-2015-4618-931a-4841befabdfb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.4.prop1-func-interl.c[1170,1183] [2023-11-23 21:31:04,272 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:31:04,287 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:31:04,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:04 WrapperNode [2023-11-23 21:31:04,288 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:31:04,289 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:31:04,289 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:31:04,289 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:31:04,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:04" (1/1) ... [2023-11-23 21:31:04,413 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:04" (1/1) ... [2023-11-23 21:31:06,013 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 12158 [2023-11-23 21:31:06,014 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:31:06,015 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:31:06,015 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:31:06,016 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:31:06,029 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:04" (1/1) ... [2023-11-23 21:31:06,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:04" (1/1) ... [2023-11-23 21:31:06,471 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:04" (1/1) ... [2023-11-23 21:31:06,471 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:04" (1/1) ... [2023-11-23 21:31:06,908 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:04" (1/1) ... [2023-11-23 21:31:06,983 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:04" (1/1) ... [2023-11-23 21:31:07,102 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:04" (1/1) ... [2023-11-23 21:31:07,159 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:04" (1/1) ... [2023-11-23 21:31:07,469 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:31:07,470 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:31:07,470 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:31:07,471 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:31:07,472 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:04" (1/1) ... [2023-11-23 21:31:07,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:31:07,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2876670c-2015-4618-931a-4841befabdfb/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:31:07,520 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2876670c-2015-4618-931a-4841befabdfb/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:31:07,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2876670c-2015-4618-931a-4841befabdfb/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:31:07,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:31:07,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:31:07,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:31:07,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:31:08,315 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:31:08,317 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:31:16,459 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:31:38,866 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:31:38,867 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:31:38,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:31:38 BoogieIcfgContainer [2023-11-23 21:31:38,868 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:31:38,871 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:31:38,871 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:31:38,875 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:31:38,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:31:02" (1/3) ... [2023-11-23 21:31:38,876 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47dbddfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:31:38, skipping insertion in model container [2023-11-23 21:31:38,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:04" (2/3) ... [2023-11-23 21:31:38,877 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47dbddfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:31:38, skipping insertion in model container [2023-11-23 21:31:38,877 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:31:38" (3/3) ... [2023-11-23 21:31:38,878 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mcs.4.prop1-func-interl.c [2023-11-23 21:31:38,897 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:31:38,897 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:31:38,948 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:31:38,956 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;@5f4eb0bc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:31:38,956 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:31:38,960 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) [2023-11-23 21:31:38,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 21:31:38,967 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:31:38,968 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-23 21:31:38,969 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:31:38,977 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:31:38,977 INFO L85 PathProgramCache]: Analyzing trace with hash 477868784, now seen corresponding path program 1 times [2023-11-23 21:31:38,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:31:38,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625019024] [2023-11-23 21:31:38,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:31:38,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:31:40,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:31:40,183 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:31:40,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:31:40,980 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:31:40,982 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:31:40,984 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:31:40,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:31:40,991 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:31:40,998 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:31:41,074 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-23 21:31:41,108 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:31:41 BoogieIcfgContainer [2023-11-23 21:31:41,108 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:31:41,111 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:31:41,111 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:31:41,111 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:31:41,112 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:31:38" (3/4) ... [2023-11-23 21:31:41,116 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:31:41,117 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:31:41,118 INFO L158 Benchmark]: Toolchain (without parser) took 38281.44ms. Allocated memory was 146.8MB in the beginning and 9.2GB in the end (delta: 9.0GB). Free memory was 95.6MB in the beginning and 8.3GB in the end (delta: -8.2GB). Peak memory consumption was 776.7MB. Max. memory is 16.1GB. [2023-11-23 21:31:41,119 INFO L158 Benchmark]: CDTParser took 1.27ms. Allocated memory is still 109.1MB. Free memory was 60.9MB in the beginning and 60.7MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:31:41,120 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1450.19ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 95.6MB in the beginning and 82.8MB in the end (delta: 12.7MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. [2023-11-23 21:31:41,122 INFO L158 Benchmark]: Boogie Procedure Inliner took 1725.13ms. Allocated memory was 176.2MB in the beginning and 350.2MB in the end (delta: 174.1MB). Free memory was 82.8MB in the beginning and 124.2MB in the end (delta: -41.4MB). Peak memory consumption was 156.9MB. Max. memory is 16.1GB. [2023-11-23 21:31:41,127 INFO L158 Benchmark]: Boogie Preprocessor took 1454.30ms. Allocated memory was 350.2MB in the beginning and 752.9MB in the end (delta: 402.7MB). Free memory was 124.2MB in the beginning and 453.3MB in the end (delta: -329.1MB). Peak memory consumption was 82.8MB. Max. memory is 16.1GB. [2023-11-23 21:31:41,128 INFO L158 Benchmark]: RCFGBuilder took 31398.21ms. Allocated memory was 752.9MB in the beginning and 9.2GB in the end (delta: 8.4GB). Free memory was 453.3MB in the beginning and 8.5GB in the end (delta: -8.1GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2023-11-23 21:31:41,129 INFO L158 Benchmark]: TraceAbstraction took 2237.68ms. Allocated memory is still 9.2GB. Free memory was 8.5GB in the beginning and 8.3GB in the end (delta: 204.5MB). Peak memory consumption was 203.4MB. Max. memory is 16.1GB. [2023-11-23 21:31:41,130 INFO L158 Benchmark]: Witness Printer took 6.41ms. Allocated memory is still 9.2GB. Free memory was 8.3GB in the beginning and 8.3GB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:31:41,139 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.27ms. Allocated memory is still 109.1MB. Free memory was 60.9MB in the beginning and 60.7MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1450.19ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 95.6MB in the beginning and 82.8MB in the end (delta: 12.7MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1725.13ms. Allocated memory was 176.2MB in the beginning and 350.2MB in the end (delta: 174.1MB). Free memory was 82.8MB in the beginning and 124.2MB in the end (delta: -41.4MB). Peak memory consumption was 156.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1454.30ms. Allocated memory was 350.2MB in the beginning and 752.9MB in the end (delta: 402.7MB). Free memory was 124.2MB in the beginning and 453.3MB in the end (delta: -329.1MB). Peak memory consumption was 82.8MB. Max. memory is 16.1GB. * RCFGBuilder took 31398.21ms. Allocated memory was 752.9MB in the beginning and 9.2GB in the end (delta: 8.4GB). Free memory was 453.3MB in the beginning and 8.5GB in the end (delta: -8.1GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. * TraceAbstraction took 2237.68ms. Allocated memory is still 9.2GB. Free memory was 8.5GB in the beginning and 8.3GB in the end (delta: 204.5MB). Peak memory consumption was 203.4MB. Max. memory is 16.1GB. * Witness Printer took 6.41ms. Allocated memory is still 9.2GB. Free memory was 8.3GB in the beginning and 8.3GB 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 bitwiseAnd at line 264. 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_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 32); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (32 - 1); [L35] const SORT_2 var_4 = 0; [L36] const SORT_1 var_31 = 0; [L37] const SORT_3 var_114 = 1; [L38] const SORT_3 var_115 = 0; [L39] const SORT_2 var_126 = 255; [L40] const SORT_2 var_128 = 0; [L41] const SORT_2 var_136 = 1; [L42] const SORT_2 var_144 = 2; [L43] const SORT_2 var_152 = 3; [L45] SORT_1 input_127; [L46] SORT_1 input_129; [L47] SORT_1 input_135; [L48] SORT_1 input_137; [L49] SORT_1 input_143; [L50] SORT_1 input_145; [L51] SORT_1 input_151; [L52] SORT_1 input_153; [L53] SORT_1 input_159; [L54] SORT_1 input_162; [L55] SORT_1 input_165; [L56] SORT_1 input_168; [L57] SORT_1 input_171; [L58] SORT_1 input_184; [L59] SORT_1 input_197; [L60] SORT_1 input_210; [L61] SORT_1 input_223; [L62] SORT_1 input_224; [L63] SORT_1 input_225; [L64] SORT_1 input_226; [L65] SORT_1 input_227; [L66] SORT_1 input_228; [L67] SORT_1 input_229; [L68] SORT_1 input_230; [L69] SORT_1 input_258; [L70] SORT_1 input_260; [L71] SORT_1 input_270; [L72] SORT_1 input_275; [L73] SORT_1 input_277; [L74] SORT_1 input_282; [L75] SORT_1 input_286; [L76] SORT_1 input_301; [L77] SORT_1 input_303; [L78] SORT_1 input_313; [L79] SORT_1 input_318; [L80] SORT_1 input_320; [L81] SORT_1 input_325; [L82] SORT_1 input_329; [L83] SORT_1 input_344; [L84] SORT_1 input_346; [L85] SORT_1 input_356; [L86] SORT_1 input_361; [L87] SORT_1 input_363; [L88] SORT_1 input_368; [L89] SORT_1 input_372; [L90] SORT_1 input_387; [L91] SORT_1 input_389; [L92] SORT_1 input_399; [L93] SORT_1 input_404; [L94] SORT_1 input_406; [L95] SORT_1 input_411; [L96] SORT_1 input_415; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L98] SORT_2 state_5 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L99] SORT_2 state_7 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L100] SORT_2 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L101] SORT_2 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L102] SORT_2 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L103] SORT_2 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L104] SORT_2 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L105] SORT_2 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L106] SORT_2 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L107] SORT_2 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L108] SORT_2 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L109] SORT_2 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L110] SORT_2 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L111] SORT_1 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L112] SORT_1 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L113] SORT_1 state_36 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L114] SORT_1 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L115] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L116] SORT_1 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L117] SORT_1 state_44 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L118] SORT_1 state_46 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L119] SORT_1 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L120] SORT_1 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L121] SORT_1 state_52 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L122] SORT_1 state_54 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L123] SORT_1 state_56 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L124] SORT_1 state_58 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L125] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L125] SORT_1 state_60 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L126] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L126] SORT_1 state_62 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L127] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L127] SORT_1 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L128] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L128] SORT_1 state_66 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L129] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L129] SORT_1 state_68 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L130] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L130] SORT_1 state_70 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L131] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L131] SORT_1 state_72 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L132] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L132] SORT_1 state_74 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L133] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L133] SORT_1 state_76 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L134] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L134] SORT_1 state_78 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L135] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L135] SORT_1 state_80 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L136] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L136] SORT_1 state_82 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L137] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L137] SORT_1 state_84 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L138] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L138] SORT_1 state_86 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L139] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L139] SORT_1 state_88 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L140] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L140] SORT_1 state_90 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L141] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L141] SORT_1 state_92 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L142] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L142] SORT_1 state_94 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L143] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L143] SORT_1 state_96 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L144] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L144] SORT_1 state_98 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L145] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L145] SORT_1 state_100 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L146] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L146] SORT_1 state_102 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L147] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L147] SORT_1 state_104 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L148] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L148] SORT_1 state_106 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L149] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L149] SORT_1 state_108 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L150] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L150] SORT_1 state_110 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L151] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L151] SORT_1 state_112 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L153] SORT_2 init_6_arg_1 = var_4; [L154] state_5 = init_6_arg_1 [L155] SORT_2 init_8_arg_1 = var_4; [L156] state_7 = init_8_arg_1 [L157] SORT_2 init_10_arg_1 = var_4; [L158] state_9 = init_10_arg_1 [L159] SORT_2 init_12_arg_1 = var_4; [L160] state_11 = init_12_arg_1 [L161] SORT_2 init_14_arg_1 = var_4; [L162] state_13 = init_14_arg_1 [L163] SORT_2 init_16_arg_1 = var_4; [L164] state_15 = init_16_arg_1 [L165] SORT_2 init_18_arg_1 = var_4; [L166] state_17 = init_18_arg_1 [L167] SORT_2 init_20_arg_1 = var_4; [L168] state_19 = init_20_arg_1 [L169] SORT_2 init_22_arg_1 = var_4; [L170] state_21 = init_22_arg_1 [L171] SORT_2 init_24_arg_1 = var_4; [L172] state_23 = init_24_arg_1 [L173] SORT_2 init_26_arg_1 = var_4; [L174] state_25 = init_26_arg_1 [L175] SORT_2 init_28_arg_1 = var_4; [L176] state_27 = init_28_arg_1 [L177] SORT_2 init_30_arg_1 = var_4; [L178] state_29 = init_30_arg_1 [L179] SORT_1 init_33_arg_1 = var_31; [L180] state_32 = init_33_arg_1 [L181] SORT_1 init_35_arg_1 = var_31; [L182] state_34 = init_35_arg_1 [L183] SORT_1 init_37_arg_1 = var_31; [L184] state_36 = init_37_arg_1 [L185] SORT_1 init_39_arg_1 = var_31; [L186] state_38 = init_39_arg_1 [L187] SORT_1 init_41_arg_1 = var_31; [L188] state_40 = init_41_arg_1 [L189] SORT_1 init_43_arg_1 = var_31; [L190] state_42 = init_43_arg_1 [L191] SORT_1 init_45_arg_1 = var_31; [L192] state_44 = init_45_arg_1 [L193] SORT_1 init_47_arg_1 = var_31; [L194] state_46 = init_47_arg_1 [L195] SORT_1 init_49_arg_1 = var_31; [L196] state_48 = init_49_arg_1 [L197] SORT_1 init_51_arg_1 = var_31; [L198] state_50 = init_51_arg_1 [L199] SORT_1 init_53_arg_1 = var_31; [L200] state_52 = init_53_arg_1 [L201] SORT_1 init_55_arg_1 = var_31; [L202] state_54 = init_55_arg_1 [L203] SORT_1 init_57_arg_1 = var_31; [L204] state_56 = init_57_arg_1 [L205] SORT_1 init_59_arg_1 = var_31; [L206] state_58 = init_59_arg_1 [L207] SORT_1 init_61_arg_1 = var_31; [L208] state_60 = init_61_arg_1 [L209] SORT_1 init_63_arg_1 = var_31; [L210] state_62 = init_63_arg_1 [L211] SORT_1 init_65_arg_1 = var_31; [L212] state_64 = init_65_arg_1 [L213] SORT_1 init_67_arg_1 = var_31; [L214] state_66 = init_67_arg_1 [L215] SORT_1 init_69_arg_1 = var_31; [L216] state_68 = init_69_arg_1 [L217] SORT_1 init_71_arg_1 = var_31; [L218] state_70 = init_71_arg_1 [L219] SORT_1 init_73_arg_1 = var_31; [L220] state_72 = init_73_arg_1 [L221] SORT_1 init_75_arg_1 = var_31; [L222] state_74 = init_75_arg_1 [L223] SORT_1 init_77_arg_1 = var_31; [L224] state_76 = init_77_arg_1 [L225] SORT_1 init_79_arg_1 = var_31; [L226] state_78 = init_79_arg_1 [L227] SORT_1 init_81_arg_1 = var_31; [L228] state_80 = init_81_arg_1 [L229] SORT_1 init_83_arg_1 = var_31; [L230] state_82 = init_83_arg_1 [L231] SORT_1 init_85_arg_1 = var_31; [L232] state_84 = init_85_arg_1 [L233] SORT_1 init_87_arg_1 = var_31; [L234] state_86 = init_87_arg_1 [L235] SORT_1 init_89_arg_1 = var_31; [L236] state_88 = init_89_arg_1 [L237] SORT_1 init_91_arg_1 = var_31; [L238] state_90 = init_91_arg_1 [L239] SORT_1 init_93_arg_1 = var_31; [L240] state_92 = init_93_arg_1 [L241] SORT_1 init_95_arg_1 = var_31; [L242] state_94 = init_95_arg_1 [L243] SORT_1 init_97_arg_1 = var_31; [L244] state_96 = init_97_arg_1 [L245] SORT_1 init_99_arg_1 = var_31; [L246] state_98 = init_99_arg_1 [L247] SORT_1 init_101_arg_1 = var_31; [L248] state_100 = init_101_arg_1 [L249] SORT_1 init_103_arg_1 = var_31; [L250] state_102 = init_103_arg_1 [L251] SORT_1 init_105_arg_1 = var_31; [L252] state_104 = init_105_arg_1 [L253] SORT_1 init_107_arg_1 = var_31; [L254] state_106 = init_107_arg_1 [L255] SORT_1 init_109_arg_1 = var_31; [L256] state_108 = init_109_arg_1 [L257] SORT_1 init_111_arg_1 = var_31; [L258] state_110 = init_111_arg_1 [L259] SORT_1 init_113_arg_1 = var_31; [L260] state_112 = init_113_arg_1 VAL [init_101_arg_1=0, init_103_arg_1=0, init_105_arg_1=0, init_107_arg_1=0, init_109_arg_1=0, init_10_arg_1=0, init_111_arg_1=0, init_113_arg_1=0, init_12_arg_1=0, init_14_arg_1=0, init_16_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_6_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, init_77_arg_1=0, init_79_arg_1=0, init_81_arg_1=0, init_83_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_89_arg_1=0, init_8_arg_1=0, init_91_arg_1=0, init_93_arg_1=0, init_95_arg_1=0, init_97_arg_1=0, init_99_arg_1=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=2147483648, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_126=255, var_128=0, var_136=1, var_144=2, var_152=3, var_31=0, var_4=0] [L263] input_127 = __VERIFIER_nondet_uchar() [L264] EXPR input_127 & mask_SORT_1 [L264] input_127 = input_127 & mask_SORT_1 [L265] input_129 = __VERIFIER_nondet_uchar() [L266] EXPR input_129 & mask_SORT_1 [L266] input_129 = input_129 & mask_SORT_1 [L267] input_135 = __VERIFIER_nondet_uchar() [L268] EXPR input_135 & mask_SORT_1 [L268] input_135 = input_135 & mask_SORT_1 [L269] input_137 = __VERIFIER_nondet_uchar() [L270] EXPR input_137 & mask_SORT_1 [L270] input_137 = input_137 & mask_SORT_1 [L271] input_143 = __VERIFIER_nondet_uchar() [L272] EXPR input_143 & mask_SORT_1 [L272] input_143 = input_143 & mask_SORT_1 [L273] input_145 = __VERIFIER_nondet_uchar() [L274] EXPR input_145 & mask_SORT_1 [L274] input_145 = input_145 & mask_SORT_1 [L275] input_151 = __VERIFIER_nondet_uchar() [L276] EXPR input_151 & mask_SORT_1 [L276] input_151 = input_151 & mask_SORT_1 [L277] input_153 = __VERIFIER_nondet_uchar() [L278] EXPR input_153 & mask_SORT_1 [L278] input_153 = input_153 & mask_SORT_1 [L279] input_159 = __VERIFIER_nondet_uchar() [L280] input_162 = __VERIFIER_nondet_uchar() [L281] input_165 = __VERIFIER_nondet_uchar() [L282] input_168 = __VERIFIER_nondet_uchar() [L283] input_171 = __VERIFIER_nondet_uchar() [L284] EXPR input_171 & mask_SORT_1 [L284] input_171 = input_171 & mask_SORT_1 [L285] input_184 = __VERIFIER_nondet_uchar() [L286] EXPR input_184 & mask_SORT_1 [L286] input_184 = input_184 & mask_SORT_1 [L287] input_197 = __VERIFIER_nondet_uchar() [L288] EXPR input_197 & mask_SORT_1 [L288] input_197 = input_197 & mask_SORT_1 [L289] input_210 = __VERIFIER_nondet_uchar() [L290] EXPR input_210 & mask_SORT_1 [L290] input_210 = input_210 & mask_SORT_1 [L291] input_223 = __VERIFIER_nondet_uchar() [L292] EXPR input_223 & mask_SORT_1 [L292] input_223 = input_223 & mask_SORT_1 [L293] input_224 = __VERIFIER_nondet_uchar() [L294] EXPR input_224 & mask_SORT_1 [L294] input_224 = input_224 & mask_SORT_1 [L295] input_225 = __VERIFIER_nondet_uchar() [L296] EXPR input_225 & mask_SORT_1 [L296] input_225 = input_225 & mask_SORT_1 [L297] input_226 = __VERIFIER_nondet_uchar() [L298] EXPR input_226 & mask_SORT_1 [L298] input_226 = input_226 & mask_SORT_1 [L299] input_227 = __VERIFIER_nondet_uchar() [L300] EXPR input_227 & mask_SORT_1 [L300] input_227 = input_227 & mask_SORT_1 [L301] input_228 = __VERIFIER_nondet_uchar() [L302] EXPR input_228 & mask_SORT_1 [L302] input_228 = input_228 & mask_SORT_1 [L303] input_229 = __VERIFIER_nondet_uchar() [L304] EXPR input_229 & mask_SORT_1 [L304] input_229 = input_229 & mask_SORT_1 [L305] input_230 = __VERIFIER_nondet_uchar() [L306] EXPR input_230 & mask_SORT_1 [L306] input_230 = input_230 & mask_SORT_1 [L307] input_258 = __VERIFIER_nondet_uchar() [L308] input_260 = __VERIFIER_nondet_uchar() [L309] input_270 = __VERIFIER_nondet_uchar() [L310] input_275 = __VERIFIER_nondet_uchar() [L311] input_277 = __VERIFIER_nondet_uchar() [L312] input_282 = __VERIFIER_nondet_uchar() [L313] input_286 = __VERIFIER_nondet_uchar() [L314] input_301 = __VERIFIER_nondet_uchar() [L315] input_303 = __VERIFIER_nondet_uchar() [L316] input_313 = __VERIFIER_nondet_uchar() [L317] input_318 = __VERIFIER_nondet_uchar() [L318] input_320 = __VERIFIER_nondet_uchar() [L319] input_325 = __VERIFIER_nondet_uchar() [L320] input_329 = __VERIFIER_nondet_uchar() [L321] input_344 = __VERIFIER_nondet_uchar() [L322] input_346 = __VERIFIER_nondet_uchar() [L323] input_356 = __VERIFIER_nondet_uchar() [L324] input_361 = __VERIFIER_nondet_uchar() [L325] input_363 = __VERIFIER_nondet_uchar() [L326] input_368 = __VERIFIER_nondet_uchar() [L327] input_372 = __VERIFIER_nondet_uchar() [L328] input_387 = __VERIFIER_nondet_uchar() [L329] input_389 = __VERIFIER_nondet_uchar() [L330] input_399 = __VERIFIER_nondet_uchar() [L331] input_404 = __VERIFIER_nondet_uchar() [L332] input_406 = __VERIFIER_nondet_uchar() [L333] input_411 = __VERIFIER_nondet_uchar() [L334] input_415 = __VERIFIER_nondet_uchar() [L337] SORT_1 var_116_arg_0 = state_44; [L338] SORT_3 var_116_arg_1 = var_114; [L339] SORT_3 var_116_arg_2 = var_115; [L340] SORT_3 var_116 = var_116_arg_0 ? var_116_arg_1 : var_116_arg_2; [L341] SORT_1 var_117_arg_0 = state_64; [L342] SORT_3 var_117_arg_1 = var_114; [L343] SORT_3 var_117_arg_2 = var_115; [L344] SORT_3 var_117 = var_117_arg_0 ? var_117_arg_1 : var_117_arg_2; [L345] SORT_3 var_118_arg_0 = var_116; [L346] SORT_3 var_118_arg_1 = var_117; [L347] SORT_3 var_118 = var_118_arg_0 + var_118_arg_1; [L348] SORT_1 var_119_arg_0 = state_84; [L349] SORT_3 var_119_arg_1 = var_114; [L350] SORT_3 var_119_arg_2 = var_115; [L351] SORT_3 var_119 = var_119_arg_0 ? var_119_arg_1 : var_119_arg_2; [L352] SORT_3 var_120_arg_0 = var_118; [L353] SORT_3 var_120_arg_1 = var_119; [L354] SORT_3 var_120 = var_120_arg_0 + var_120_arg_1; [L355] SORT_1 var_121_arg_0 = state_104; [L356] SORT_3 var_121_arg_1 = var_114; [L357] SORT_3 var_121_arg_2 = var_115; [L358] SORT_3 var_121 = var_121_arg_0 ? var_121_arg_1 : var_121_arg_2; [L359] SORT_3 var_122_arg_0 = var_120; [L360] SORT_3 var_122_arg_1 = var_121; [L361] SORT_3 var_122 = var_122_arg_0 + var_122_arg_1; [L362] EXPR var_122 & mask_SORT_3 [L362] var_122 = var_122 & mask_SORT_3 [L363] SORT_3 var_123_arg_0 = var_122; [L364] SORT_3 var_123_arg_1 = var_114; [L365] SORT_1 var_123 = var_123_arg_0 <= var_123_arg_1; [L366] SORT_1 var_124_arg_0 = ~state_112; [L367] EXPR var_124_arg_0 & mask_SORT_1 [L367] var_124_arg_0 = var_124_arg_0 & mask_SORT_1 [L368] SORT_1 var_124_arg_1 = ~var_123; [L369] EXPR var_124_arg_1 & mask_SORT_1 [L369] var_124_arg_1 = var_124_arg_1 & mask_SORT_1 [L370] EXPR var_124_arg_0 & var_124_arg_1 [L370] SORT_1 var_124 = var_124_arg_0 & var_124_arg_1; [L371] EXPR var_124 & mask_SORT_1 [L371] var_124 = var_124 & mask_SORT_1 [L372] SORT_1 bad_125_arg_0 = var_124; [L373] CALL __VERIFIER_assert(!(bad_125_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: 2.1s, 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, 1.0s 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 [2023-11-23 21:31:41,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2876670c-2015-4618-931a-4841befabdfb/bin/utaipan-verify-mE87zJ7Ire/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_2876670c-2015-4618-931a-4841befabdfb/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2876670c-2015-4618-931a-4841befabdfb/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2876670c-2015-4618-931a-4841befabdfb/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2876670c-2015-4618-931a-4841befabdfb/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.4.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2876670c-2015-4618-931a-4841befabdfb/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2876670c-2015-4618-931a-4841befabdfb/bin/utaipan-verify-mE87zJ7Ire --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 6862510c5698390d5bd831ffe42cda75e26815219c14438cdf15dc29b272b4ee --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:31:43,941 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:31:44,071 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2876670c-2015-4618-931a-4841befabdfb/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-11-23 21:31:44,077 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:31:44,078 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:31:44,105 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:31:44,106 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:31:44,107 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:31:44,108 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:31:44,108 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:31:44,109 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:31:44,110 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:31:44,110 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:31:44,111 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:31:44,112 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:31:44,112 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:31:44,113 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:31:44,114 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:31:44,114 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:31:44,115 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:31:44,116 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:31:44,116 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:31:44,117 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:31:44,117 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:31:44,118 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:31:44,118 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:31:44,119 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:31:44,119 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:31:44,120 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:31:44,120 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:31:44,121 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:31:44,121 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:31:44,122 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:31:44,122 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:31:44,122 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:31:44,123 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:31:44,123 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:31:44,123 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:31:44,124 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:31:44,124 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:31:44,124 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:31:44,125 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_2876670c-2015-4618-931a-4841befabdfb/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2876670c-2015-4618-931a-4841befabdfb/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6862510c5698390d5bd831ffe42cda75e26815219c14438cdf15dc29b272b4ee [2023-11-23 21:31:44,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:31:44,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:31:44,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:31:44,599 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:31:44,599 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:31:44,601 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2876670c-2015-4618-931a-4841befabdfb/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.4.prop1-func-interl.c