./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pj_icu.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78562dc4-bb77-42d2-96ea-2ce278e33c61/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78562dc4-bb77-42d2-96ea-2ce278e33c61/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_78562dc4-bb77-42d2-96ea-2ce278e33c61/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78562dc4-bb77-42d2-96ea-2ce278e33c61/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pj_icu.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78562dc4-bb77-42d2-96ea-2ce278e33c61/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_78562dc4-bb77-42d2-96ea-2ce278e33c61/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 81684cd6f6f9906a1fa983a1abdb27554546d8d43af37740ea6944465197b3b8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:09:27,909 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:09:28,043 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78562dc4-bb77-42d2-96ea-2ce278e33c61/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:09:28,052 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:09:28,053 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:09:28,097 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:09:28,098 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:09:28,098 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:09:28,100 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:09:28,107 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:09:28,107 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:09:28,109 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:09:28,109 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:09:28,111 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:09:28,112 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:09:28,112 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:09:28,113 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:09:28,113 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:09:28,114 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:09:28,127 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:09:28,128 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:09:28,128 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:09:28,129 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:09:28,130 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:09:28,130 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:09:28,131 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:09:28,131 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:09:28,131 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:09:28,132 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:09:28,132 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:09:28,133 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:09:28,133 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:09:28,134 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:09:28,134 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:09:28,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:09:28,134 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:09:28,135 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:09:28,135 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:09:28,135 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:09:28,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:09:28,136 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:09:28,136 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:09:28,136 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:09:28,137 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:09:28,137 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_78562dc4-bb77-42d2-96ea-2ce278e33c61/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78562dc4-bb77-42d2-96ea-2ce278e33c61/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81684cd6f6f9906a1fa983a1abdb27554546d8d43af37740ea6944465197b3b8 [2023-11-23 21:09:28,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:09:28,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:09:28,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:09:28,510 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:09:28,510 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:09:28,511 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78562dc4-bb77-42d2-96ea-2ce278e33c61/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pj_icu.c [2023-11-23 21:09:31,634 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:09:32,033 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:09:32,033 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78562dc4-bb77-42d2-96ea-2ce278e33c61/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pj_icu.c [2023-11-23 21:09:32,053 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78562dc4-bb77-42d2-96ea-2ce278e33c61/bin/utaipan-verify-mE87zJ7Ire/data/c97e45d14/e6783ce23d274b4ebbe33a68224959fa/FLAGe49f45814 [2023-11-23 21:09:32,068 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78562dc4-bb77-42d2-96ea-2ce278e33c61/bin/utaipan-verify-mE87zJ7Ire/data/c97e45d14/e6783ce23d274b4ebbe33a68224959fa [2023-11-23 21:09:32,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:09:32,072 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:09:32,074 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:09:32,074 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:09:32,080 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:09:32,081 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:09:32" (1/1) ... [2023-11-23 21:09:32,083 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9506c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:32, skipping insertion in model container [2023-11-23 21:09:32,083 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:09:32" (1/1) ... [2023-11-23 21:09:32,173 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:09:32,384 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_78562dc4-bb77-42d2-96ea-2ce278e33c61/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pj_icu.c[1246,1259] [2023-11-23 21:09:32,922 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:09:32,932 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:09:32,942 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_78562dc4-bb77-42d2-96ea-2ce278e33c61/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pj_icu.c[1246,1259] [2023-11-23 21:09:33,175 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:09:33,190 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:09:33,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:33 WrapperNode [2023-11-23 21:09:33,191 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:09:33,192 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:09:33,192 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:09:33,192 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:09:33,200 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:33" (1/1) ... [2023-11-23 21:09:33,294 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:33" (1/1) ... [2023-11-23 21:09:34,022 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5783 [2023-11-23 21:09:34,023 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:09:34,023 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:09:34,023 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:09:34,024 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:09:34,034 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:33" (1/1) ... [2023-11-23 21:09:34,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:33" (1/1) ... [2023-11-23 21:09:34,226 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:33" (1/1) ... [2023-11-23 21:09:34,226 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:33" (1/1) ... [2023-11-23 21:09:34,473 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:33" (1/1) ... [2023-11-23 21:09:34,515 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:33" (1/1) ... [2023-11-23 21:09:34,700 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:33" (1/1) ... [2023-11-23 21:09:34,740 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:33" (1/1) ... [2023-11-23 21:09:34,886 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:09:34,887 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:09:34,888 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:09:34,888 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:09:34,889 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:33" (1/1) ... [2023-11-23 21:09:34,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:09:34,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78562dc4-bb77-42d2-96ea-2ce278e33c61/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:09:34,925 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78562dc4-bb77-42d2-96ea-2ce278e33c61/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:09:34,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78562dc4-bb77-42d2-96ea-2ce278e33c61/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:09:34,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:09:34,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:09:34,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:09:34,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:09:35,628 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:09:35,630 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:09:39,964 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:09:49,221 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:09:49,221 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:09:49,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:09:49 BoogieIcfgContainer [2023-11-23 21:09:49,224 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:09:49,228 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:09:49,228 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:09:49,231 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:09:49,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:09:32" (1/3) ... [2023-11-23 21:09:49,234 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a76ff4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:09:49, skipping insertion in model container [2023-11-23 21:09:49,234 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:33" (2/3) ... [2023-11-23 21:09:49,234 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a76ff4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:09:49, skipping insertion in model container [2023-11-23 21:09:49,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:09:49" (3/3) ... [2023-11-23 21:09:49,236 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.pj_icu.c [2023-11-23 21:09:49,258 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:09:49,259 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:09:49,321 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:09:49,330 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;@517e532a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:09:49,330 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:09:49,336 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 21:09:49,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 21:09:49,344 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:09:49,345 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-23 21:09:49,347 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:09:49,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:09:49,355 INFO L85 PathProgramCache]: Analyzing trace with hash 158833127, now seen corresponding path program 1 times [2023-11-23 21:09:49,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:09:49,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430961791] [2023-11-23 21:09:49,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:09:49,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:09:54,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:09:54,125 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:09:57,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:09:57,457 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:09:57,460 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:09:57,461 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:09:57,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:09:57,470 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:09:57,474 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:09:57,554 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-23 21:09:57,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:09:57 BoogieIcfgContainer [2023-11-23 21:09:57,596 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:09:57,598 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:09:57,598 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:09:57,598 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:09:57,599 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:09:49" (3/4) ... [2023-11-23 21:09:57,602 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:09:57,603 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:09:57,605 INFO L158 Benchmark]: Toolchain (without parser) took 25531.96ms. Allocated memory was 161.5MB in the beginning and 4.9GB in the end (delta: 4.8GB). Free memory was 127.1MB in the beginning and 4.4GB in the end (delta: -4.3GB). Peak memory consumption was 508.1MB. Max. memory is 16.1GB. [2023-11-23 21:09:57,605 INFO L158 Benchmark]: CDTParser took 1.33ms. Allocated memory is still 123.7MB. Free memory is still 95.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:09:57,607 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1117.19ms. Allocated memory is still 161.5MB. Free memory was 127.1MB in the beginning and 81.2MB in the end (delta: 45.9MB). Peak memory consumption was 72.6MB. Max. memory is 16.1GB. [2023-11-23 21:09:57,608 INFO L158 Benchmark]: Boogie Procedure Inliner took 830.91ms. Allocated memory was 161.5MB in the beginning and 226.5MB in the end (delta: 65.0MB). Free memory was 81.2MB in the beginning and 107.9MB in the end (delta: -26.7MB). Peak memory consumption was 93.5MB. Max. memory is 16.1GB. [2023-11-23 21:09:57,614 INFO L158 Benchmark]: Boogie Preprocessor took 863.16ms. Allocated memory is still 226.5MB. Free memory was 107.9MB in the beginning and 78.8MB in the end (delta: 29.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-23 21:09:57,614 INFO L158 Benchmark]: RCFGBuilder took 14336.75ms. Allocated memory was 226.5MB in the beginning and 2.5GB in the end (delta: 2.2GB). Free memory was 78.8MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 492.7MB. Max. memory is 16.1GB. [2023-11-23 21:09:57,617 INFO L158 Benchmark]: TraceAbstraction took 8368.27ms. Allocated memory was 2.5GB in the beginning and 4.9GB in the end (delta: 2.5GB). Free memory was 2.0GB in the beginning and 4.4GB in the end (delta: -2.4GB). Peak memory consumption was 141.8MB. Max. memory is 16.1GB. [2023-11-23 21:09:57,617 INFO L158 Benchmark]: Witness Printer took 5.67ms. Allocated memory is still 4.9GB. Free memory was 4.4GB in the beginning and 4.4GB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:09:57,626 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.33ms. Allocated memory is still 123.7MB. Free memory is still 95.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1117.19ms. Allocated memory is still 161.5MB. Free memory was 127.1MB in the beginning and 81.2MB in the end (delta: 45.9MB). Peak memory consumption was 72.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 830.91ms. Allocated memory was 161.5MB in the beginning and 226.5MB in the end (delta: 65.0MB). Free memory was 81.2MB in the beginning and 107.9MB in the end (delta: -26.7MB). Peak memory consumption was 93.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 863.16ms. Allocated memory is still 226.5MB. Free memory was 107.9MB in the beginning and 78.8MB in the end (delta: 29.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * RCFGBuilder took 14336.75ms. Allocated memory was 226.5MB in the beginning and 2.5GB in the end (delta: 2.2GB). Free memory was 78.8MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 492.7MB. Max. memory is 16.1GB. * TraceAbstraction took 8368.27ms. Allocated memory was 2.5GB in the beginning and 4.9GB in the end (delta: 2.5GB). Free memory was 2.0GB in the beginning and 4.4GB in the end (delta: -2.4GB). Peak memory consumption was 141.8MB. Max. memory is 16.1GB. * Witness Printer took 5.67ms. Allocated memory is still 4.9GB. Free memory was 4.4GB in the beginning and 4.4GB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 344, overapproximation of bitwiseAnd at line 244. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 2); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (2 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L32] const SORT_6 mask_SORT_6 = (SORT_6)-1 >> (sizeof(SORT_6) * 8 - 3); [L33] const SORT_6 msb_SORT_6 = (SORT_6)1 << (3 - 1); [L35] const SORT_12 mask_SORT_12 = (SORT_12)-1 >> (sizeof(SORT_12) * 8 - 4); [L36] const SORT_12 msb_SORT_12 = (SORT_12)1 << (4 - 1); [L38] const SORT_16 mask_SORT_16 = (SORT_16)-1 >> (sizeof(SORT_16) * 8 - 8); [L39] const SORT_16 msb_SORT_16 = (SORT_16)1 << (8 - 1); [L41] const SORT_21 mask_SORT_21 = (SORT_21)-1 >> (sizeof(SORT_21) * 8 - 7); [L42] const SORT_21 msb_SORT_21 = (SORT_21)1 << (7 - 1); [L44] const SORT_21 var_22 = 1; [L45] const SORT_21 var_26 = 2; [L46] const SORT_21 var_29 = 4; [L47] const SORT_21 var_32 = 8; [L48] const SORT_21 var_35 = 16; [L49] const SORT_21 var_38 = 32; [L50] const SORT_21 var_41 = 64; [L51] const SORT_21 var_44 = 0; [L52] const SORT_3 var_101 = 1; [L53] const SORT_3 var_105 = 0; [L54] const SORT_6 var_190 = 0; [L56] SORT_1 input_2; [L57] SORT_3 input_4; [L58] SORT_3 input_5; [L59] SORT_6 input_7; [L60] SORT_3 input_8; [L61] SORT_3 input_9; [L62] SORT_3 input_10; [L63] SORT_3 input_11; [L64] SORT_12 input_13; [L65] SORT_3 input_14; [L66] SORT_3 input_15; [L67] SORT_16 input_17; [L68] SORT_3 input_18; [L69] SORT_3 input_19; [L70] SORT_3 input_20; [L71] SORT_3 input_412; [L72] SORT_3 input_434; [L73] SORT_3 input_449; [L74] SORT_3 input_464; [L75] SORT_3 input_479; [L76] SORT_3 input_494; [L77] SORT_3 input_509; [L78] SORT_3 input_524; [L79] SORT_3 input_539; [L80] SORT_3 input_554; [L81] SORT_3 input_569; [L82] SORT_3 input_584; [L83] SORT_3 input_599; [L84] SORT_3 input_614; [L85] SORT_3 input_629; [L86] SORT_3 input_644; [L87] SORT_3 input_660; [L88] SORT_3 input_662; [L89] SORT_3 input_664; [L90] SORT_3 input_666; [L91] SORT_3 input_668; [L92] SORT_3 input_670; [L93] SORT_3 input_672; [L94] SORT_3 input_674; [L95] SORT_3 input_679; [L96] SORT_21 input_724; [L97] SORT_21 input_725; [L98] SORT_21 input_726; [L99] SORT_21 input_727; [L100] SORT_21 input_730; [L101] SORT_21 input_734; [L102] SORT_21 input_738; [L103] SORT_21 input_746; [L104] SORT_21 input_750; [L105] SORT_21 input_752; [L106] SORT_21 input_756; [L107] SORT_21 input_759; [L108] SORT_21 input_763; [L109] SORT_21 input_768; [L110] SORT_21 input_772; [L111] SORT_21 input_777; [L112] SORT_21 input_779; [L113] SORT_21 input_780; [L114] SORT_21 input_782; [L115] SORT_21 input_786; [L116] SORT_21 input_791; [L117] SORT_21 input_798; [L118] SORT_21 input_799; [L119] SORT_21 input_801; [L120] SORT_21 input_805; [L121] SORT_21 input_810; [L122] SORT_21 input_812; [L123] SORT_21 input_813; [L124] SORT_21 input_815; [L125] SORT_21 input_819; [L126] SORT_21 input_824; [L127] SORT_21 input_828; [L128] SORT_21 input_833; [L129] SORT_21 input_835; [L130] SORT_21 input_841; [L131] SORT_21 input_853; [L132] SORT_3 input_858; [L133] SORT_3 input_867; [L134] SORT_3 input_886; [L135] SORT_3 input_893; [L136] SORT_3 input_904; [L137] SORT_3 input_910; [L138] SORT_3 input_916; [L139] SORT_3 input_922; [L140] SORT_3 input_928; [L141] SORT_3 input_934; [L142] SORT_3 input_940; [L143] SORT_3 input_946; [L144] SORT_3 input_952; [L145] SORT_3 input_958; [L146] SORT_3 input_964; [L147] SORT_3 input_970; [L148] SORT_3 input_976; [L150] EXPR __VERIFIER_nondet_uchar() & mask_SORT_21 [L150] SORT_21 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_21; [L151] EXPR __VERIFIER_nondet_uchar() & mask_SORT_21 [L151] SORT_21 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_21; [L152] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L152] SORT_3 state_106 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L153] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L153] SORT_3 state_108 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L154] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L154] SORT_3 state_110 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L155] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L155] SORT_3 state_114 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L156] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L156] SORT_3 state_118 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L157] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L157] SORT_3 state_122 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L158] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L158] SORT_3 state_138 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L159] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L159] SORT_3 state_155 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L160] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L160] SORT_3 state_158 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L161] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L161] SORT_3 state_160 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L162] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L162] SORT_3 state_164 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L163] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L163] SORT_3 state_168 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L164] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L164] SORT_3 state_173 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L165] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L165] SORT_3 state_176 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L166] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L166] SORT_3 state_186 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L167] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L167] SORT_3 state_193 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L168] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L168] SORT_3 state_196 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L169] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L169] SORT_3 state_205 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L170] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L170] SORT_3 state_210 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L171] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L171] SORT_3 state_213 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L172] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L172] SORT_3 state_225 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L173] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L173] SORT_3 state_235 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L174] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L174] SORT_3 state_240 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L175] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L175] SORT_3 state_243 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L176] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L176] SORT_3 state_252 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L177] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L177] SORT_3 state_265 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L178] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L178] SORT_3 state_278 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L180] SORT_21 init_24_arg_1 = var_22; [L181] state_23 = init_24_arg_1 [L182] SORT_21 init_52_arg_1 = var_22; [L183] state_51 = init_52_arg_1 [L184] SORT_3 init_107_arg_1 = var_105; [L185] state_106 = init_107_arg_1 [L186] SORT_3 init_109_arg_1 = var_105; [L187] state_108 = init_109_arg_1 [L188] SORT_3 init_111_arg_1 = var_105; [L189] state_110 = init_111_arg_1 [L190] SORT_3 init_115_arg_1 = var_105; [L191] state_114 = init_115_arg_1 [L192] SORT_3 init_119_arg_1 = var_105; [L193] state_118 = init_119_arg_1 [L194] SORT_3 init_123_arg_1 = var_105; [L195] state_122 = init_123_arg_1 [L196] SORT_3 init_139_arg_1 = var_105; [L197] state_138 = init_139_arg_1 [L198] SORT_3 init_156_arg_1 = var_105; [L199] state_155 = init_156_arg_1 [L200] SORT_3 init_159_arg_1 = var_105; [L201] state_158 = init_159_arg_1 [L202] SORT_3 init_161_arg_1 = var_105; [L203] state_160 = init_161_arg_1 [L204] SORT_3 init_165_arg_1 = var_105; [L205] state_164 = init_165_arg_1 [L206] SORT_3 init_169_arg_1 = var_105; [L207] state_168 = init_169_arg_1 [L208] SORT_3 init_174_arg_1 = var_105; [L209] state_173 = init_174_arg_1 [L210] SORT_3 init_177_arg_1 = var_105; [L211] state_176 = init_177_arg_1 [L212] SORT_3 init_187_arg_1 = var_105; [L213] state_186 = init_187_arg_1 [L214] SORT_3 init_194_arg_1 = var_105; [L215] state_193 = init_194_arg_1 [L216] SORT_3 init_197_arg_1 = var_105; [L217] state_196 = init_197_arg_1 [L218] SORT_3 init_206_arg_1 = var_105; [L219] state_205 = init_206_arg_1 [L220] SORT_3 init_211_arg_1 = var_105; [L221] state_210 = init_211_arg_1 [L222] SORT_3 init_214_arg_1 = var_105; [L223] state_213 = init_214_arg_1 [L224] SORT_3 init_226_arg_1 = var_105; [L225] state_225 = init_226_arg_1 [L226] SORT_3 init_236_arg_1 = var_105; [L227] state_235 = init_236_arg_1 [L228] SORT_3 init_241_arg_1 = var_105; [L229] state_240 = init_241_arg_1 [L230] SORT_3 init_244_arg_1 = var_105; [L231] state_243 = init_244_arg_1 [L232] SORT_3 init_253_arg_1 = var_105; [L233] state_252 = init_253_arg_1 [L234] SORT_3 init_266_arg_1 = var_105; [L235] state_265 = init_266_arg_1 [L236] SORT_3 init_279_arg_1 = var_105; [L237] state_278 = init_279_arg_1 VAL [init_107_arg_1=0, init_109_arg_1=0, init_111_arg_1=0, init_115_arg_1=0, init_119_arg_1=0, init_123_arg_1=0, init_139_arg_1=0, init_156_arg_1=0, init_159_arg_1=0, init_161_arg_1=0, init_165_arg_1=0, init_169_arg_1=0, init_174_arg_1=0, init_177_arg_1=0, init_187_arg_1=0, init_194_arg_1=0, init_197_arg_1=0, init_206_arg_1=0, init_211_arg_1=0, init_214_arg_1=0, init_226_arg_1=0, init_236_arg_1=0, init_241_arg_1=0, init_244_arg_1=0, init_24_arg_1=1, init_253_arg_1=0, init_266_arg_1=0, init_279_arg_1=0, init_52_arg_1=1, mask_SORT_12=15, mask_SORT_16=255, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, msb_SORT_12=8, msb_SORT_16=128, msb_SORT_1=2, msb_SORT_21=64, msb_SORT_3=1, msb_SORT_6=4, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L240] input_2 = __VERIFIER_nondet_uchar() [L241] input_4 = __VERIFIER_nondet_uchar() [L242] input_5 = __VERIFIER_nondet_uchar() [L243] input_7 = __VERIFIER_nondet_uchar() [L244] EXPR input_7 & mask_SORT_6 [L244] input_7 = input_7 & mask_SORT_6 [L245] input_8 = __VERIFIER_nondet_uchar() [L246] input_9 = __VERIFIER_nondet_uchar() [L247] input_10 = __VERIFIER_nondet_uchar() [L248] input_11 = __VERIFIER_nondet_uchar() [L249] input_13 = __VERIFIER_nondet_uchar() [L250] input_14 = __VERIFIER_nondet_uchar() [L251] input_15 = __VERIFIER_nondet_uchar() [L252] input_17 = __VERIFIER_nondet_uchar() [L253] input_18 = __VERIFIER_nondet_uchar() [L254] input_19 = __VERIFIER_nondet_uchar() [L255] input_20 = __VERIFIER_nondet_uchar() [L256] input_412 = __VERIFIER_nondet_uchar() [L257] input_434 = __VERIFIER_nondet_uchar() [L258] input_449 = __VERIFIER_nondet_uchar() [L259] input_464 = __VERIFIER_nondet_uchar() [L260] input_479 = __VERIFIER_nondet_uchar() [L261] input_494 = __VERIFIER_nondet_uchar() [L262] input_509 = __VERIFIER_nondet_uchar() [L263] input_524 = __VERIFIER_nondet_uchar() [L264] input_539 = __VERIFIER_nondet_uchar() [L265] input_554 = __VERIFIER_nondet_uchar() [L266] input_569 = __VERIFIER_nondet_uchar() [L267] input_584 = __VERIFIER_nondet_uchar() [L268] input_599 = __VERIFIER_nondet_uchar() [L269] input_614 = __VERIFIER_nondet_uchar() [L270] input_629 = __VERIFIER_nondet_uchar() [L271] input_644 = __VERIFIER_nondet_uchar() [L272] input_660 = __VERIFIER_nondet_uchar() [L273] input_662 = __VERIFIER_nondet_uchar() [L274] input_664 = __VERIFIER_nondet_uchar() [L275] input_666 = __VERIFIER_nondet_uchar() [L276] input_668 = __VERIFIER_nondet_uchar() [L277] input_670 = __VERIFIER_nondet_uchar() [L278] input_672 = __VERIFIER_nondet_uchar() [L279] input_674 = __VERIFIER_nondet_uchar() [L280] input_679 = __VERIFIER_nondet_uchar() [L281] input_724 = __VERIFIER_nondet_uchar() [L282] input_725 = __VERIFIER_nondet_uchar() [L283] input_726 = __VERIFIER_nondet_uchar() [L284] input_727 = __VERIFIER_nondet_uchar() [L285] input_730 = __VERIFIER_nondet_uchar() [L286] input_734 = __VERIFIER_nondet_uchar() [L287] input_738 = __VERIFIER_nondet_uchar() [L288] input_746 = __VERIFIER_nondet_uchar() [L289] input_750 = __VERIFIER_nondet_uchar() [L290] input_752 = __VERIFIER_nondet_uchar() [L291] input_756 = __VERIFIER_nondet_uchar() [L292] input_759 = __VERIFIER_nondet_uchar() [L293] input_763 = __VERIFIER_nondet_uchar() [L294] input_768 = __VERIFIER_nondet_uchar() [L295] input_772 = __VERIFIER_nondet_uchar() [L296] input_777 = __VERIFIER_nondet_uchar() [L297] input_779 = __VERIFIER_nondet_uchar() [L298] input_780 = __VERIFIER_nondet_uchar() [L299] input_782 = __VERIFIER_nondet_uchar() [L300] input_786 = __VERIFIER_nondet_uchar() [L301] input_791 = __VERIFIER_nondet_uchar() [L302] input_798 = __VERIFIER_nondet_uchar() [L303] input_799 = __VERIFIER_nondet_uchar() [L304] input_801 = __VERIFIER_nondet_uchar() [L305] input_805 = __VERIFIER_nondet_uchar() [L306] input_810 = __VERIFIER_nondet_uchar() [L307] input_812 = __VERIFIER_nondet_uchar() [L308] input_813 = __VERIFIER_nondet_uchar() [L309] input_815 = __VERIFIER_nondet_uchar() [L310] input_819 = __VERIFIER_nondet_uchar() [L311] input_824 = __VERIFIER_nondet_uchar() [L312] input_828 = __VERIFIER_nondet_uchar() [L313] input_833 = __VERIFIER_nondet_uchar() [L314] input_835 = __VERIFIER_nondet_uchar() [L315] input_841 = __VERIFIER_nondet_uchar() [L316] input_853 = __VERIFIER_nondet_uchar() [L317] input_858 = __VERIFIER_nondet_uchar() [L318] input_867 = __VERIFIER_nondet_uchar() [L319] input_886 = __VERIFIER_nondet_uchar() [L320] input_893 = __VERIFIER_nondet_uchar() [L321] input_904 = __VERIFIER_nondet_uchar() [L322] input_910 = __VERIFIER_nondet_uchar() [L323] input_916 = __VERIFIER_nondet_uchar() [L324] input_922 = __VERIFIER_nondet_uchar() [L325] input_928 = __VERIFIER_nondet_uchar() [L326] input_934 = __VERIFIER_nondet_uchar() [L327] input_940 = __VERIFIER_nondet_uchar() [L328] input_946 = __VERIFIER_nondet_uchar() [L329] input_952 = __VERIFIER_nondet_uchar() [L330] input_958 = __VERIFIER_nondet_uchar() [L331] input_964 = __VERIFIER_nondet_uchar() [L332] input_970 = __VERIFIER_nondet_uchar() [L333] input_976 = __VERIFIER_nondet_uchar() [L336] SORT_21 var_25_arg_0 = state_23; [L337] SORT_21 var_25_arg_1 = var_22; [L338] SORT_3 var_25 = var_25_arg_0 == var_25_arg_1; [L339] SORT_21 var_27_arg_0 = state_23; [L340] SORT_21 var_27_arg_1 = var_26; [L341] SORT_3 var_27 = var_27_arg_0 == var_27_arg_1; [L342] SORT_3 var_28_arg_0 = var_25; [L343] SORT_3 var_28_arg_1 = var_27; [L344] EXPR var_28_arg_0 | var_28_arg_1 [L344] SORT_3 var_28 = var_28_arg_0 | var_28_arg_1; [L345] SORT_21 var_30_arg_0 = state_23; [L346] SORT_21 var_30_arg_1 = var_29; [L347] SORT_3 var_30 = var_30_arg_0 == var_30_arg_1; [L348] SORT_3 var_31_arg_0 = var_28; [L349] SORT_3 var_31_arg_1 = var_30; [L350] EXPR var_31_arg_0 | var_31_arg_1 [L350] SORT_3 var_31 = var_31_arg_0 | var_31_arg_1; [L351] SORT_21 var_33_arg_0 = state_23; [L352] SORT_21 var_33_arg_1 = var_32; [L353] SORT_3 var_33 = var_33_arg_0 == var_33_arg_1; [L354] SORT_3 var_34_arg_0 = var_31; [L355] SORT_3 var_34_arg_1 = var_33; [L356] EXPR var_34_arg_0 | var_34_arg_1 [L356] SORT_3 var_34 = var_34_arg_0 | var_34_arg_1; [L357] SORT_21 var_36_arg_0 = state_23; [L358] SORT_21 var_36_arg_1 = var_35; [L359] SORT_3 var_36 = var_36_arg_0 == var_36_arg_1; [L360] SORT_3 var_37_arg_0 = var_34; [L361] SORT_3 var_37_arg_1 = var_36; [L362] EXPR var_37_arg_0 | var_37_arg_1 [L362] SORT_3 var_37 = var_37_arg_0 | var_37_arg_1; [L363] SORT_21 var_39_arg_0 = state_23; [L364] SORT_21 var_39_arg_1 = var_38; [L365] SORT_3 var_39 = var_39_arg_0 == var_39_arg_1; [L366] SORT_3 var_40_arg_0 = var_37; [L367] SORT_3 var_40_arg_1 = var_39; [L368] EXPR var_40_arg_0 | var_40_arg_1 [L368] SORT_3 var_40 = var_40_arg_0 | var_40_arg_1; [L369] SORT_21 var_42_arg_0 = state_23; [L370] SORT_21 var_42_arg_1 = var_41; [L371] SORT_3 var_42 = var_42_arg_0 == var_42_arg_1; [L372] SORT_3 var_43_arg_0 = var_40; [L373] SORT_3 var_43_arg_1 = var_42; [L374] EXPR var_43_arg_0 | var_43_arg_1 [L374] SORT_3 var_43 = var_43_arg_0 | var_43_arg_1; [L375] SORT_21 var_45_arg_0 = state_23; [L376] SORT_21 var_45_arg_1 = var_44; [L377] SORT_3 var_45 = var_45_arg_0 == var_45_arg_1; [L378] SORT_3 var_46_arg_0 = var_43; [L379] SORT_3 var_46_arg_1 = var_45; [L380] EXPR var_46_arg_0 | var_46_arg_1 [L380] SORT_3 var_46 = var_46_arg_0 | var_46_arg_1; [L381] SORT_21 var_47_arg_0 = state_23; [L382] SORT_21 var_47_arg_1 = var_22; [L383] SORT_3 var_47 = var_47_arg_0 == var_47_arg_1; [L384] SORT_21 var_48_arg_0 = state_23; [L385] SORT_21 var_48_arg_1 = var_26; [L386] SORT_3 var_48 = var_48_arg_0 == var_48_arg_1; [L387] SORT_3 var_49_arg_0 = var_47; [L388] SORT_3 var_49_arg_1 = var_48; [L389] EXPR var_49_arg_0 | var_49_arg_1 [L389] SORT_3 var_49 = var_49_arg_0 | var_49_arg_1; [L390] SORT_21 var_50_arg_0 = state_23; [L391] SORT_21 var_50_arg_1 = var_29; [L392] SORT_3 var_50 = var_50_arg_0 == var_50_arg_1; [L393] SORT_21 var_53_arg_0 = state_51; [L394] SORT_21 var_53_arg_1 = var_32; [L395] SORT_3 var_53 = var_53_arg_0 == var_53_arg_1; [L396] SORT_21 var_54_arg_0 = state_51; [L397] SORT_21 var_54_arg_1 = var_22; [L398] SORT_3 var_54 = var_54_arg_0 == var_54_arg_1; [L399] SORT_3 var_55_arg_0 = var_53; [L400] SORT_3 var_55_arg_1 = var_54; [L401] EXPR var_55_arg_0 | var_55_arg_1 [L401] SORT_3 var_55 = var_55_arg_0 | var_55_arg_1; [L402] SORT_21 var_56_arg_0 = state_51; [L403] SORT_21 var_56_arg_1 = var_44; [L404] SORT_3 var_56 = var_56_arg_0 == var_56_arg_1; [L405] SORT_3 var_57_arg_0 = var_55; [L406] SORT_3 var_57_arg_1 = var_56; [L407] EXPR var_57_arg_0 | var_57_arg_1 [L407] SORT_3 var_57 = var_57_arg_0 | var_57_arg_1; [L408] SORT_21 var_58_arg_0 = state_51; [L409] SORT_21 var_58_arg_1 = var_29; [L410] SORT_3 var_58 = var_58_arg_0 == var_58_arg_1; [L411] SORT_3 var_59_arg_0 = var_57; [L412] SORT_3 var_59_arg_1 = var_58; [L413] EXPR var_59_arg_0 | var_59_arg_1 [L413] SORT_3 var_59 = var_59_arg_0 | var_59_arg_1; [L414] SORT_3 var_60_arg_0 = var_50; [L415] SORT_3 var_60_arg_1 = var_59; [L416] EXPR var_60_arg_0 & var_60_arg_1 [L416] SORT_3 var_60 = var_60_arg_0 & var_60_arg_1; [L417] SORT_3 var_61_arg_0 = var_49; [L418] SORT_3 var_61_arg_1 = var_60; [L419] EXPR var_61_arg_0 | var_61_arg_1 [L419] SORT_3 var_61 = var_61_arg_0 | var_61_arg_1; [L420] SORT_21 var_62_arg_0 = state_23; [L421] SORT_21 var_62_arg_1 = var_32; [L422] SORT_3 var_62 = var_62_arg_0 == var_62_arg_1; [L423] SORT_3 var_63_arg_0 = var_61; [L424] SORT_3 var_63_arg_1 = var_62; [L425] EXPR var_63_arg_0 | var_63_arg_1 [L425] SORT_3 var_63 = var_63_arg_0 | var_63_arg_1; [L426] SORT_21 var_64_arg_0 = state_23; [L427] SORT_21 var_64_arg_1 = var_35; [L428] SORT_3 var_64 = var_64_arg_0 == var_64_arg_1; [L429] SORT_3 var_65_arg_0 = var_63; [L430] SORT_3 var_65_arg_1 = var_64; [L431] EXPR var_65_arg_0 | var_65_arg_1 [L431] SORT_3 var_65 = var_65_arg_0 | var_65_arg_1; [L432] SORT_21 var_66_arg_0 = state_23; [L433] SORT_21 var_66_arg_1 = var_38; [L434] SORT_3 var_66 = var_66_arg_0 == var_66_arg_1; [L435] SORT_3 var_67_arg_0 = var_65; [L436] SORT_3 var_67_arg_1 = var_66; [L437] EXPR var_67_arg_0 | var_67_arg_1 [L437] SORT_3 var_67 = var_67_arg_0 | var_67_arg_1; [L438] SORT_21 var_68_arg_0 = state_23; [L439] SORT_21 var_68_arg_1 = var_41; [L440] SORT_3 var_68 = var_68_arg_0 == var_68_arg_1; [L441] SORT_3 var_69_arg_0 = var_67; [L442] SORT_3 var_69_arg_1 = var_68; [L443] EXPR var_69_arg_0 | var_69_arg_1 [L443] SORT_3 var_69 = var_69_arg_0 | var_69_arg_1; [L444] SORT_21 var_70_arg_0 = state_23; [L445] SORT_21 var_70_arg_1 = var_44; [L446] SORT_3 var_70 = var_70_arg_0 == var_70_arg_1; [L447] SORT_3 var_71_arg_0 = var_69; [L448] SORT_3 var_71_arg_1 = var_70; [L449] EXPR var_71_arg_0 | var_71_arg_1 [L449] SORT_3 var_71 = var_71_arg_0 | var_71_arg_1; [L450] SORT_3 var_72_arg_0 = var_46; [L451] SORT_3 var_72_arg_1 = var_71; [L452] EXPR var_72_arg_0 & var_72_arg_1 [L452] SORT_3 var_72 = var_72_arg_0 & var_72_arg_1; [L453] SORT_21 var_73_arg_0 = state_23; [L454] SORT_21 var_73_arg_1 = var_29; [L455] SORT_3 var_73 = var_73_arg_0 == var_73_arg_1; [L456] SORT_21 var_74_arg_0 = state_51; [L457] SORT_21 var_74_arg_1 = var_32; [L458] SORT_3 var_74 = var_74_arg_0 == var_74_arg_1; [L459] SORT_21 var_75_arg_0 = state_51; [L460] SORT_21 var_75_arg_1 = var_22; [L461] SORT_3 var_75 = var_75_arg_0 == var_75_arg_1; [L462] SORT_3 var_76_arg_0 = var_74; [L463] SORT_3 var_76_arg_1 = var_75; [L464] EXPR var_76_arg_0 | var_76_arg_1 [L464] SORT_3 var_76 = var_76_arg_0 | var_76_arg_1; [L465] SORT_21 var_77_arg_0 = state_51; [L466] SORT_21 var_77_arg_1 = var_44; [L467] SORT_3 var_77 = var_77_arg_0 == var_77_arg_1; [L468] SORT_3 var_78_arg_0 = var_76; [L469] SORT_3 var_78_arg_1 = var_77; [L470] EXPR var_78_arg_0 | var_78_arg_1 [L470] SORT_3 var_78 = var_78_arg_0 | var_78_arg_1; [L471] SORT_21 var_79_arg_0 = state_51; [L472] SORT_21 var_79_arg_1 = var_29; [L473] SORT_3 var_79 = var_79_arg_0 == var_79_arg_1; [L474] SORT_3 var_80_arg_0 = var_78; [L475] SORT_3 var_80_arg_1 = var_79; [L476] EXPR var_80_arg_0 | var_80_arg_1 [L476] SORT_3 var_80 = var_80_arg_0 | var_80_arg_1; [L477] SORT_3 var_81_arg_0 = var_73; [L478] SORT_3 var_81_arg_1 = var_80; [L479] EXPR var_81_arg_0 & var_81_arg_1 [L479] SORT_3 var_81 = var_81_arg_0 & var_81_arg_1; [L480] SORT_21 var_82_arg_0 = state_23; [L481] SORT_21 var_82_arg_1 = var_29; [L482] SORT_3 var_82 = var_82_arg_0 == var_82_arg_1; [L483] SORT_3 var_83_arg_0 = var_82; [L484] SORT_3 var_83 = ~var_83_arg_0; [L485] SORT_3 var_84_arg_0 = var_81; [L486] SORT_3 var_84_arg_1 = var_83; [L487] EXPR var_84_arg_0 | var_84_arg_1 [L487] SORT_3 var_84 = var_84_arg_0 | var_84_arg_1; [L488] SORT_3 var_85_arg_0 = var_72; [L489] SORT_3 var_85_arg_1 = var_84; [L490] EXPR var_85_arg_0 & var_85_arg_1 [L490] SORT_3 var_85 = var_85_arg_0 & var_85_arg_1; [L491] SORT_21 var_86_arg_0 = state_23; [L492] SORT_21 var_86_arg_1 = var_22; [L493] SORT_3 var_86 = var_86_arg_0 == var_86_arg_1; [L494] SORT_21 var_87_arg_0 = state_51; [L495] SORT_21 var_87_arg_1 = var_44; [L496] SORT_3 var_87 = var_87_arg_0 == var_87_arg_1; [L497] SORT_21 var_88_arg_0 = state_51; [L498] SORT_21 var_88_arg_1 = var_22; [L499] SORT_3 var_88 = var_88_arg_0 == var_88_arg_1; [L500] SORT_3 var_89_arg_0 = var_87; [L501] SORT_3 var_89_arg_1 = var_88; [L502] EXPR var_89_arg_0 | var_89_arg_1 [L502] SORT_3 var_89 = var_89_arg_0 | var_89_arg_1; [L503] SORT_21 var_90_arg_0 = state_51; [L504] SORT_21 var_90_arg_1 = var_26; [L505] SORT_3 var_90 = var_90_arg_0 == var_90_arg_1; [L506] SORT_3 var_91_arg_0 = var_89; [L507] SORT_3 var_91_arg_1 = var_90; [L508] EXPR var_91_arg_0 | var_91_arg_1 [L508] SORT_3 var_91 = var_91_arg_0 | var_91_arg_1; [L509] SORT_21 var_92_arg_0 = state_51; [L510] SORT_21 var_92_arg_1 = var_29; [L511] SORT_3 var_92 = var_92_arg_0 == var_92_arg_1; [L512] SORT_3 var_93_arg_0 = var_91; [L513] SORT_3 var_93_arg_1 = var_92; [L514] EXPR var_93_arg_0 | var_93_arg_1 [L514] SORT_3 var_93 = var_93_arg_0 | var_93_arg_1; [L515] SORT_21 var_94_arg_0 = state_51; [L516] SORT_21 var_94_arg_1 = var_41; [L517] SORT_3 var_94 = var_94_arg_0 == var_94_arg_1; [L518] SORT_3 var_95_arg_0 = var_93; [L519] SORT_3 var_95_arg_1 = var_94; [L520] EXPR var_95_arg_0 | var_95_arg_1 [L520] SORT_3 var_95 = var_95_arg_0 | var_95_arg_1; [L521] SORT_3 var_96_arg_0 = var_86; [L522] SORT_3 var_96_arg_1 = var_95; [L523] EXPR var_96_arg_0 & var_96_arg_1 [L523] SORT_3 var_96 = var_96_arg_0 & var_96_arg_1; [L524] SORT_21 var_97_arg_0 = state_23; [L525] SORT_21 var_97_arg_1 = var_22; [L526] SORT_3 var_97 = var_97_arg_0 == var_97_arg_1; [L527] SORT_3 var_98_arg_0 = var_97; [L528] SORT_3 var_98 = ~var_98_arg_0; [L529] SORT_3 var_99_arg_0 = var_96; [L530] SORT_3 var_99_arg_1 = var_98; [L531] EXPR var_99_arg_0 | var_99_arg_1 [L531] SORT_3 var_99 = var_99_arg_0 | var_99_arg_1; [L532] SORT_3 var_100_arg_0 = var_85; [L533] SORT_3 var_100_arg_1 = var_99; [L534] EXPR var_100_arg_0 & var_100_arg_1 [L534] SORT_3 var_100 = var_100_arg_0 & var_100_arg_1; [L535] SORT_3 var_102_arg_0 = var_100; [L536] SORT_3 var_102 = ~var_102_arg_0; [L537] SORT_3 var_103_arg_0 = var_101; [L538] SORT_3 var_103_arg_1 = var_102; [L539] EXPR var_103_arg_0 & var_103_arg_1 [L539] SORT_3 var_103 = var_103_arg_0 & var_103_arg_1; [L540] EXPR var_103 & mask_SORT_3 [L540] var_103 = var_103 & mask_SORT_3 [L541] SORT_3 bad_104_arg_0 = var_103; [L542] CALL __VERIFIER_assert(!(bad_104_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: 8.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 4.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 21:09:57,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78562dc4-bb77-42d2-96ea-2ce278e33c61/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78562dc4-bb77-42d2-96ea-2ce278e33c61/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78562dc4-bb77-42d2-96ea-2ce278e33c61/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_78562dc4-bb77-42d2-96ea-2ce278e33c61/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78562dc4-bb77-42d2-96ea-2ce278e33c61/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pj_icu.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78562dc4-bb77-42d2-96ea-2ce278e33c61/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_78562dc4-bb77-42d2-96ea-2ce278e33c61/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 81684cd6f6f9906a1fa983a1abdb27554546d8d43af37740ea6944465197b3b8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:10:00,454 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:10:00,590 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78562dc4-bb77-42d2-96ea-2ce278e33c61/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-11-23 21:10:00,629 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:10:00,630 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:10:00,678 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:10:00,678 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:10:00,679 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:10:00,680 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:10:00,685 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:10:00,686 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:10:00,686 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:10:00,687 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:10:00,689 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:10:00,690 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:10:00,690 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:10:00,691 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:10:00,692 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:10:00,692 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:10:00,694 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:10:00,694 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:10:00,695 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:10:00,695 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:10:00,696 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:10:00,696 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:10:00,696 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:10:00,697 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:10:00,697 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:10:00,698 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:10:00,698 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:10:00,700 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:10:00,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:10:00,700 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:10:00,701 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:10:00,701 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:10:00,702 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:10:00,702 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:10:00,702 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:10:00,702 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:10:00,703 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:10:00,704 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:10:00,704 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_78562dc4-bb77-42d2-96ea-2ce278e33c61/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78562dc4-bb77-42d2-96ea-2ce278e33c61/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81684cd6f6f9906a1fa983a1abdb27554546d8d43af37740ea6944465197b3b8 [2023-11-23 21:10:01,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:10:01,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:10:01,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:10:01,174 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:10:01,174 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:10:01,176 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78562dc4-bb77-42d2-96ea-2ce278e33c61/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pj_icu.c [2023-11-23 21:10:04,375 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:10:04,855 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:10:04,856 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78562dc4-bb77-42d2-96ea-2ce278e33c61/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pj_icu.c [2023-11-23 21:10:04,884 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78562dc4-bb77-42d2-96ea-2ce278e33c61/bin/utaipan-verify-mE87zJ7Ire/data/32a4f7f96/9207d110c424492c9a3b617b6ad975e6/FLAG175fff956 [2023-11-23 21:10:04,907 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78562dc4-bb77-42d2-96ea-2ce278e33c61/bin/utaipan-verify-mE87zJ7Ire/data/32a4f7f96/9207d110c424492c9a3b617b6ad975e6 [2023-11-23 21:10:04,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:10:04,915 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:10:04,918 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:10:04,919 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:10:04,924 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:10:04,925 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:10:04" (1/1) ... [2023-11-23 21:10:04,927 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ab8fdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:04, skipping insertion in model container [2023-11-23 21:10:04,927 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:10:04" (1/1) ... [2023-11-23 21:10:05,028 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:10:05,277 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_78562dc4-bb77-42d2-96ea-2ce278e33c61/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pj_icu.c[1246,1259] [2023-11-23 21:10:05,834 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:10:05,856 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:10:05,870 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_78562dc4-bb77-42d2-96ea-2ce278e33c61/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pj_icu.c[1246,1259] [2023-11-23 21:10:06,100 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:10:06,118 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:10:06,119 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:06 WrapperNode [2023-11-23 21:10:06,119 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:10:06,120 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:10:06,121 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:10:06,121 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:10:06,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:06" (1/1) ... [2023-11-23 21:10:06,210 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:06" (1/1) ... [2023-11-23 21:10:06,404 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2773 [2023-11-23 21:10:06,404 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:10:06,406 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:10:06,406 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:10:06,406 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:10:06,416 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:06" (1/1) ... [2023-11-23 21:10:06,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:06" (1/1) ... [2023-11-23 21:10:06,435 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:06" (1/1) ... [2023-11-23 21:10:06,436 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:06" (1/1) ... [2023-11-23 21:10:06,517 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:06" (1/1) ... [2023-11-23 21:10:06,525 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:06" (1/1) ... [2023-11-23 21:10:06,539 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:06" (1/1) ... [2023-11-23 21:10:06,556 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:06" (1/1) ... [2023-11-23 21:10:06,594 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:10:06,596 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:10:06,597 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:10:06,597 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:10:06,598 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:06" (1/1) ... [2023-11-23 21:10:06,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:10:06,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78562dc4-bb77-42d2-96ea-2ce278e33c61/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:10:06,637 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78562dc4-bb77-42d2-96ea-2ce278e33c61/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:10:06,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78562dc4-bb77-42d2-96ea-2ce278e33c61/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:10:06,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:10:06,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:10:06,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:10:06,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:10:07,340 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:10:07,343 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:10:11,288 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:10:11,442 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:10:11,442 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:10:11,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:10:11 BoogieIcfgContainer [2023-11-23 21:10:11,443 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:10:11,446 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:10:11,446 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:10:11,450 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:10:11,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:10:04" (1/3) ... [2023-11-23 21:10:11,451 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@601080c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:10:11, skipping insertion in model container [2023-11-23 21:10:11,451 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:06" (2/3) ... [2023-11-23 21:10:11,453 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@601080c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:10:11, skipping insertion in model container [2023-11-23 21:10:11,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:10:11" (3/3) ... [2023-11-23 21:10:11,455 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.pj_icu.c [2023-11-23 21:10:11,478 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:10:11,479 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:10:11,541 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:10:11,550 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;@5a14e3f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:10:11,550 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:10:11,554 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:10:11,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 21:10:11,559 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:11,560 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-23 21:10:11,561 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:11,567 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:11,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-11-23 21:10:11,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:10:11,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1179396558] [2023-11-23 21:10:11,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:11,585 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 [2023-11-23 21:10:11,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78562dc4-bb77-42d2-96ea-2ce278e33c61/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:10:11,588 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78562dc4-bb77-42d2-96ea-2ce278e33c61/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:10:11,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78562dc4-bb77-42d2-96ea-2ce278e33c61/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:12,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:12,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 84 conjunts are in the unsatisfiable core [2023-11-23 21:10:12,538 INFO L285 TraceCheckSpWp]: Computing forward predicates...