./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal44.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c1ec96-0290-4567-9125-0d01eccff331/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c1ec96-0290-4567-9125-0d01eccff331/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c1ec96-0290-4567-9125-0d01eccff331/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c1ec96-0290-4567-9125-0d01eccff331/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal44.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c1ec96-0290-4567-9125-0d01eccff331/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c1ec96-0290-4567-9125-0d01eccff331/bin/utaipan-verify-nQ1chXbOIh --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 0b9efbe1f2eb9012cfe4baaf4c265c14279b62a6e79060d67076e85c09a3114f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:58:23,320 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:58:23,391 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c1ec96-0290-4567-9125-0d01eccff331/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 14:58:23,396 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:58:23,396 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:58:23,423 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:58:23,423 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:58:23,424 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:58:23,425 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:58:23,425 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:58:23,426 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:58:23,427 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:58:23,427 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:58:23,428 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 14:58:23,428 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:58:23,429 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:58:23,429 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 14:58:23,430 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 14:58:23,430 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:58:23,431 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 14:58:23,431 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 14:58:23,432 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 14:58:23,433 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:58:23,433 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:58:23,434 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 14:58:23,434 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:58:23,435 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:58:23,435 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:58:23,436 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:58:23,436 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:58:23,437 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:58:23,437 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:58:23,437 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 14:58:23,438 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:58:23,438 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:58:23,438 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:58:23,438 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:58:23,439 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 14:58:23,439 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 14:58:23,439 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 14:58:23,439 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:58:23,440 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 14:58:23,440 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:58:23,440 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:58:23,440 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_74c1ec96-0290-4567-9125-0d01eccff331/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c1ec96-0290-4567-9125-0d01eccff331/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b9efbe1f2eb9012cfe4baaf4c265c14279b62a6e79060d67076e85c09a3114f [2023-12-02 14:58:23,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:58:23,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:58:23,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:58:23,686 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:58:23,687 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:58:23,688 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c1ec96-0290-4567-9125-0d01eccff331/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal44.c [2023-12-02 14:58:26,475 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:58:26,959 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:58:26,960 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c1ec96-0290-4567-9125-0d01eccff331/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal44.c [2023-12-02 14:58:27,011 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c1ec96-0290-4567-9125-0d01eccff331/bin/utaipan-verify-nQ1chXbOIh/data/00abf7614/e0b2e36f2e8d4f5d9455a7f77a9d255b/FLAG0072e6e24 [2023-12-02 14:58:27,025 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c1ec96-0290-4567-9125-0d01eccff331/bin/utaipan-verify-nQ1chXbOIh/data/00abf7614/e0b2e36f2e8d4f5d9455a7f77a9d255b [2023-12-02 14:58:27,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:58:27,029 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:58:27,031 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:58:27,031 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:58:27,036 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:58:27,037 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:58:27" (1/1) ... [2023-12-02 14:58:27,038 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f8ef146 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:27, skipping insertion in model container [2023-12-02 14:58:27,038 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:58:27" (1/1) ... [2023-12-02 14:58:27,268 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:58:27,557 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_74c1ec96-0290-4567-9125-0d01eccff331/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal44.c[1245,1258] [2023-12-02 14:58:28,716 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:58:28,728 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 14:58:28,738 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_74c1ec96-0290-4567-9125-0d01eccff331/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal44.c[1245,1258] [2023-12-02 14:58:29,535 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:58:29,551 INFO L206 MainTranslator]: Completed translation [2023-12-02 14:58:29,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:29 WrapperNode [2023-12-02 14:58:29,552 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:58:29,554 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 14:58:29,554 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 14:58:29,554 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 14:58:29,562 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:29" (1/1) ... [2023-12-02 14:58:29,829 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:29" (1/1) ... [2023-12-02 14:58:32,864 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42142 [2023-12-02 14:58:32,864 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 14:58:32,865 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 14:58:32,865 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 14:58:32,865 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 14:58:32,874 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:29" (1/1) ... [2023-12-02 14:58:32,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:29" (1/1) ... [2023-12-02 14:58:33,370 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:29" (1/1) ... [2023-12-02 14:58:33,370 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:29" (1/1) ... [2023-12-02 14:58:34,079 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:29" (1/1) ... [2023-12-02 14:58:34,194 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:29" (1/1) ... [2023-12-02 14:58:34,467 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:29" (1/1) ... [2023-12-02 14:58:34,578 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:29" (1/1) ... [2023-12-02 14:58:35,088 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 14:58:35,089 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 14:58:35,089 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 14:58:35,089 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 14:58:35,090 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:29" (1/1) ... [2023-12-02 14:58:35,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:58:35,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c1ec96-0290-4567-9125-0d01eccff331/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:58:35,115 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c1ec96-0290-4567-9125-0d01eccff331/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 14:58:35,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c1ec96-0290-4567-9125-0d01eccff331/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 14:58:35,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 14:58:35,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 14:58:35,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 14:58:35,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 14:58:36,768 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 14:58:36,770 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 14:58:57,974 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:00:56,988 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:00:56,988 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 15:00:56,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:00:56 BoogieIcfgContainer [2023-12-02 15:00:56,990 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:00:56,992 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:00:56,992 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:00:56,995 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:00:56,996 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:58:27" (1/3) ... [2023-12-02 15:00:56,996 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9f4d7d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:00:56, skipping insertion in model container [2023-12-02 15:00:56,996 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:29" (2/3) ... [2023-12-02 15:00:56,997 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9f4d7d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:00:56, skipping insertion in model container [2023-12-02 15:00:56,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:00:56" (3/3) ... [2023-12-02 15:00:56,998 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal44.c [2023-12-02 15:00:57,015 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:00:57,015 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:00:57,063 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:00:57,069 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;@fd589a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:00:57,069 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:00:57,072 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) [2023-12-02 15:00:57,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 15:00:57,077 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:00:57,077 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-02 15:00:57,077 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:00:57,081 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:00:57,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1636627777, now seen corresponding path program 1 times [2023-12-02 15:00:57,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:00:57,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825218722] [2023-12-02 15:00:57,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:00:57,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:01:02,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:01:02,230 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 15:01:04,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:01:05,115 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 15:01:05,117 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 15:01:05,118 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 15:01:05,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 15:01:05,124 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 15:01:05,127 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 15:01:05,179 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-02 15:01:05,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:01:05 BoogieIcfgContainer [2023-12-02 15:01:05,202 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 15:01:05,203 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 15:01:05,203 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 15:01:05,204 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 15:01:05,204 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:00:56" (3/4) ... [2023-12-02 15:01:05,206 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 15:01:05,207 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 15:01:05,209 INFO L158 Benchmark]: Toolchain (without parser) took 158179.15ms. Allocated memory was 140.5MB in the beginning and 12.1GB in the end (delta: 12.0GB). Free memory was 78.0MB in the beginning and 9.1GB in the end (delta: -9.0GB). Peak memory consumption was 3.0GB. Max. memory is 16.1GB. [2023-12-02 15:01:05,209 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 140.5MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:01:05,210 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2522.17ms. Allocated memory was 140.5MB in the beginning and 339.7MB in the end (delta: 199.2MB). Free memory was 78.0MB in the beginning and 127.2MB in the end (delta: -49.2MB). Peak memory consumption was 231.2MB. Max. memory is 16.1GB. [2023-12-02 15:01:05,211 INFO L158 Benchmark]: Boogie Procedure Inliner took 3310.87ms. Allocated memory was 339.7MB in the beginning and 3.2GB in the end (delta: 2.9GB). Free memory was 127.2MB in the beginning and 2.5GB in the end (delta: -2.4GB). Peak memory consumption was 617.6MB. Max. memory is 16.1GB. [2023-12-02 15:01:05,211 INFO L158 Benchmark]: Boogie Preprocessor took 2223.20ms. Allocated memory is still 3.2GB. Free memory was 2.5GB in the beginning and 2.3GB in the end (delta: 262.1MB). Peak memory consumption was 270.5MB. Max. memory is 16.1GB. [2023-12-02 15:01:05,212 INFO L158 Benchmark]: RCFGBuilder took 141900.82ms. Allocated memory was 3.2GB in the beginning and 12.1GB in the end (delta: 9.0GB). Free memory was 2.3GB in the beginning and 9.1GB in the end (delta: -6.9GB). Peak memory consumption was 6.6GB. Max. memory is 16.1GB. [2023-12-02 15:01:05,213 INFO L158 Benchmark]: TraceAbstraction took 8210.57ms. Allocated memory is still 12.1GB. Free memory was 9.1GB in the beginning and 9.1GB in the end (delta: 74.4MB). Peak memory consumption was 102.8MB. Max. memory is 16.1GB. [2023-12-02 15:01:05,213 INFO L158 Benchmark]: Witness Printer took 4.22ms. Allocated memory is still 12.1GB. Free memory was 9.1GB in the beginning and 9.1GB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 15:01:05,216 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 140.5MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2522.17ms. Allocated memory was 140.5MB in the beginning and 339.7MB in the end (delta: 199.2MB). Free memory was 78.0MB in the beginning and 127.2MB in the end (delta: -49.2MB). Peak memory consumption was 231.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 3310.87ms. Allocated memory was 339.7MB in the beginning and 3.2GB in the end (delta: 2.9GB). Free memory was 127.2MB in the beginning and 2.5GB in the end (delta: -2.4GB). Peak memory consumption was 617.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 2223.20ms. Allocated memory is still 3.2GB. Free memory was 2.5GB in the beginning and 2.3GB in the end (delta: 262.1MB). Peak memory consumption was 270.5MB. Max. memory is 16.1GB. * RCFGBuilder took 141900.82ms. Allocated memory was 3.2GB in the beginning and 12.1GB in the end (delta: 9.0GB). Free memory was 2.3GB in the beginning and 9.1GB in the end (delta: -6.9GB). Peak memory consumption was 6.6GB. Max. memory is 16.1GB. * TraceAbstraction took 8210.57ms. Allocated memory is still 12.1GB. Free memory was 9.1GB in the beginning and 9.1GB in the end (delta: 74.4MB). Peak memory consumption was 102.8MB. Max. memory is 16.1GB. * Witness Printer took 4.22ms. Allocated memory is still 12.1GB. Free memory was 9.1GB in the beginning and 9.1GB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 552, overapproximation of bitwiseAnd at line 418. 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 - 4); [L33] const SORT_6 msb_SORT_6 = (SORT_6)1 << (4 - 1); [L35] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 8); [L36] const SORT_9 msb_SORT_9 = (SORT_9)1 << (8 - 1); [L38] const SORT_11 mask_SORT_11 = (SORT_11)-1 >> (sizeof(SORT_11) * 8 - 32); [L39] const SORT_11 msb_SORT_11 = (SORT_11)1 << (32 - 1); [L41] const SORT_26 mask_SORT_26 = (SORT_26)-1 >> (sizeof(SORT_26) * 8 - 3); [L42] const SORT_26 msb_SORT_26 = (SORT_26)1 << (3 - 1); [L44] const SORT_37 mask_SORT_37 = (SORT_37)-1 >> (sizeof(SORT_37) * 8 - 5); [L45] const SORT_37 msb_SORT_37 = (SORT_37)1 << (5 - 1); [L47] const SORT_52 mask_SORT_52 = (SORT_52)-1 >> (sizeof(SORT_52) * 8 - 6); [L48] const SORT_52 msb_SORT_52 = (SORT_52)1 << (6 - 1); [L50] const SORT_61 mask_SORT_61 = (SORT_61)-1 >> (sizeof(SORT_61) * 8 - 7); [L51] const SORT_61 msb_SORT_61 = (SORT_61)1 << (7 - 1); [L53] const SORT_327 mask_SORT_327 = (SORT_327)-1 >> (sizeof(SORT_327) * 8 - 9); [L54] const SORT_327 msb_SORT_327 = (SORT_327)1 << (9 - 1); [L56] const SORT_329 mask_SORT_329 = (SORT_329)-1 >> (sizeof(SORT_329) * 8 - 10); [L57] const SORT_329 msb_SORT_329 = (SORT_329)1 << (10 - 1); [L59] const SORT_331 mask_SORT_331 = (SORT_331)-1 >> (sizeof(SORT_331) * 8 - 11); [L60] const SORT_331 msb_SORT_331 = (SORT_331)1 << (11 - 1); [L62] const SORT_333 mask_SORT_333 = (SORT_333)-1 >> (sizeof(SORT_333) * 8 - 12); [L63] const SORT_333 msb_SORT_333 = (SORT_333)1 << (12 - 1); [L65] const SORT_667 mask_SORT_667 = (SORT_667)-1 >> (sizeof(SORT_667) * 8 - 14); [L66] const SORT_667 msb_SORT_667 = (SORT_667)1 << (14 - 1); [L68] const SORT_669 mask_SORT_669 = (SORT_669)-1 >> (sizeof(SORT_669) * 8 - 16); [L69] const SORT_669 msb_SORT_669 = (SORT_669)1 << (16 - 1); [L71] const SORT_671 mask_SORT_671 = (SORT_671)-1 >> (sizeof(SORT_671) * 8 - 22); [L72] const SORT_671 msb_SORT_671 = (SORT_671)1 << (22 - 1); [L74] const SORT_673 mask_SORT_673 = (SORT_673)-1 >> (sizeof(SORT_673) * 8 - 24); [L75] const SORT_673 msb_SORT_673 = (SORT_673)1 << (24 - 1); [L77] const SORT_675 mask_SORT_675 = (SORT_675)-1 >> (sizeof(SORT_675) * 8 - 30); [L78] const SORT_675 msb_SORT_675 = (SORT_675)1 << (30 - 1); [L80] const SORT_714 mask_SORT_714 = (SORT_714)-1 >> (sizeof(SORT_714) * 8 - 33); [L81] const SORT_714 msb_SORT_714 = (SORT_714)1 << (33 - 1); [L83] const SORT_871 mask_SORT_871 = (SORT_871)-1 >> (sizeof(SORT_871) * 8 - 13); [L84] const SORT_871 msb_SORT_871 = (SORT_871)1 << (13 - 1); [L86] const SORT_874 mask_SORT_874 = (SORT_874)-1 >> (sizeof(SORT_874) * 8 - 15); [L87] const SORT_874 msb_SORT_874 = (SORT_874)1 << (15 - 1); [L89] const SORT_877 mask_SORT_877 = (SORT_877)-1 >> (sizeof(SORT_877) * 8 - 17); [L90] const SORT_877 msb_SORT_877 = (SORT_877)1 << (17 - 1); [L92] const SORT_879 mask_SORT_879 = (SORT_879)-1 >> (sizeof(SORT_879) * 8 - 18); [L93] const SORT_879 msb_SORT_879 = (SORT_879)1 << (18 - 1); [L95] const SORT_970 mask_SORT_970 = (SORT_970)-1 >> (sizeof(SORT_970) * 8 - 19); [L96] const SORT_970 msb_SORT_970 = (SORT_970)1 << (19 - 1); [L98] const SORT_972 mask_SORT_972 = (SORT_972)-1 >> (sizeof(SORT_972) * 8 - 20); [L99] const SORT_972 msb_SORT_972 = (SORT_972)1 << (20 - 1); [L101] const SORT_974 mask_SORT_974 = (SORT_974)-1 >> (sizeof(SORT_974) * 8 - 21); [L102] const SORT_974 msb_SORT_974 = (SORT_974)1 << (21 - 1); [L104] const SORT_1191 mask_SORT_1191 = (SORT_1191)-1 >> (sizeof(SORT_1191) * 8 - 23); [L105] const SORT_1191 msb_SORT_1191 = (SORT_1191)1 << (23 - 1); [L107] const SORT_1339 mask_SORT_1339 = (SORT_1339)-1 >> (sizeof(SORT_1339) * 8 - 26); [L108] const SORT_1339 msb_SORT_1339 = (SORT_1339)1 << (26 - 1); [L110] const SORT_1381 mask_SORT_1381 = (SORT_1381)-1 >> (sizeof(SORT_1381) * 8 - 25); [L111] const SORT_1381 msb_SORT_1381 = (SORT_1381)1 << (25 - 1); [L113] const SORT_1386 mask_SORT_1386 = (SORT_1386)-1 >> (sizeof(SORT_1386) * 8 - 27); [L114] const SORT_1386 msb_SORT_1386 = (SORT_1386)1 << (27 - 1); [L116] const SORT_1389 mask_SORT_1389 = (SORT_1389)-1 >> (sizeof(SORT_1389) * 8 - 28); [L117] const SORT_1389 msb_SORT_1389 = (SORT_1389)1 << (28 - 1); [L119] const SORT_1392 mask_SORT_1392 = (SORT_1392)-1 >> (sizeof(SORT_1392) * 8 - 29); [L120] const SORT_1392 msb_SORT_1392 = (SORT_1392)1 << (29 - 1); [L122] const SORT_1397 mask_SORT_1397 = (SORT_1397)-1 >> (sizeof(SORT_1397) * 8 - 31); [L123] const SORT_1397 msb_SORT_1397 = (SORT_1397)1 << (31 - 1); [L125] const SORT_3104 mask_SORT_3104 = (SORT_3104)-1 >> (sizeof(SORT_3104) * 8 - 34); [L126] const SORT_3104 msb_SORT_3104 = (SORT_3104)1 << (34 - 1); [L128] const SORT_3 var_107 = 0; [L129] const SORT_26 var_111 = 0; [L130] const SORT_26 var_117 = 5; [L131] const SORT_26 var_120 = 4; [L132] const SORT_37 var_125 = 0; [L133] const SORT_26 var_142 = 2; [L134] const SORT_26 var_144 = 1; [L135] const SORT_3 var_189 = 1; [L136] const SORT_1 var_196 = 0; [L137] const SORT_1 var_204 = 3; [L138] const SORT_1 var_206 = 2; [L139] const SORT_1 var_208 = 1; [L140] const SORT_26 var_214 = 3; [L141] const SORT_26 var_222 = 7; [L142] const SORT_26 var_225 = 6; [L143] const SORT_9 var_254 = 0; [L144] const SORT_37 var_275 = 11; [L145] const SORT_37 var_277 = 10; [L146] const SORT_37 var_279 = 2; [L147] const SORT_37 var_281 = 9; [L148] const SORT_37 var_296 = 21; [L149] const SORT_37 var_298 = 20; [L150] const SORT_37 var_300 = 19; [L151] const SORT_37 var_302 = 18; [L152] const SORT_37 var_304 = 17; [L153] const SORT_37 var_306 = 16; [L154] const SORT_37 var_308 = 15; [L155] const SORT_37 var_310 = 14; [L156] const SORT_37 var_312 = 8; [L157] const SORT_37 var_314 = 6; [L158] const SORT_37 var_316 = 3; [L159] const SORT_37 var_318 = 5; [L160] const SORT_37 var_336 = 4; [L161] const SORT_37 var_338 = 1; [L162] const SORT_37 var_348 = 7; [L163] const SORT_37 var_366 = 13; [L164] const SORT_37 var_374 = 12; [L165] const SORT_37 var_395 = 23; [L166] const SORT_37 var_398 = 22; [L167] const SORT_37 var_407 = 25; [L168] const SORT_37 var_410 = 27; [L169] const SORT_37 var_413 = 26; [L170] const SORT_37 var_417 = 29; [L171] const SORT_37 var_420 = 31; [L172] const SORT_37 var_423 = 30; [L173] const SORT_37 var_427 = 28; [L174] const SORT_37 var_433 = 24; [L175] const SORT_52 var_456 = 0; [L176] const SORT_9 var_532 = 3; [L177] const SORT_11 var_596 = 0; [L178] const SORT_714 var_715 = 0; [L179] const SORT_9 var_884 = 2; [L180] const SORT_9 var_887 = 1; [L181] const SORT_6 var_1331 = 8; [L182] const SORT_1339 var_1340 = 0; [L183] const SORT_9 var_1426 = 255; [L184] const SORT_52 var_1430 = 1; [L185] const SORT_6 var_1546 = 0; [L186] const SORT_6 var_2484 = 1; [L187] const SORT_6 var_2487 = 3; [L188] const SORT_6 var_2490 = 2; [L189] const SORT_6 var_2494 = 5; [L190] const SORT_6 var_2497 = 7; [L191] const SORT_6 var_2500 = 6; [L192] const SORT_6 var_2504 = 4; [L193] const SORT_6 var_2510 = 9; [L194] const SORT_6 var_2513 = 11; [L195] const SORT_6 var_2516 = 10; [L196] const SORT_6 var_2520 = 13; [L197] const SORT_6 var_2523 = 15; [L198] const SORT_6 var_2526 = 14; [L199] const SORT_6 var_2530 = 12; [L200] const SORT_1389 var_2716 = 0; [L201] const SORT_3104 var_3106 = 0; [L202] const SORT_61 var_3129 = 0; [L203] const SORT_333 var_3202 = 0; [L205] SORT_1 input_2; [L206] SORT_3 input_4; [L207] SORT_3 input_5; [L208] SORT_6 input_7; [L209] SORT_3 input_8; [L210] SORT_9 input_10; [L211] SORT_11 input_12; [L212] SORT_1 input_13; [L213] SORT_9 input_14; [L214] SORT_9 input_15; [L215] SORT_9 input_16; [L216] SORT_1 input_17; [L217] SORT_9 input_18; [L218] SORT_9 input_19; [L219] SORT_9 input_20; [L220] SORT_3 input_21; [L221] SORT_3 input_22; [L222] SORT_3 input_23; [L223] SORT_3 input_24; [L224] SORT_3 input_25; [L225] SORT_26 input_27; [L226] SORT_3 input_28; [L227] SORT_3 input_29; [L228] SORT_1 input_30; [L229] SORT_26 input_31; [L230] SORT_1 input_32; [L231] SORT_3 input_33; [L232] SORT_3 input_34; [L233] SORT_3 input_35; [L234] SORT_3 input_36; [L235] SORT_37 input_38; [L236] SORT_1 input_39; [L237] SORT_9 input_40; [L238] SORT_11 input_41; [L239] SORT_26 input_42; [L240] SORT_9 input_43; [L241] SORT_3 input_44; [L242] SORT_1 input_45; [L243] SORT_37 input_46; [L244] SORT_3 input_47; [L245] SORT_1 input_48; [L246] SORT_3 input_49; [L247] SORT_26 input_50; [L248] SORT_1 input_51; [L249] SORT_52 input_53; [L250] SORT_1 input_54; [L251] SORT_52 input_55; [L252] SORT_1 input_56; [L253] SORT_52 input_57; [L254] SORT_1 input_58; [L255] SORT_52 input_59; [L256] SORT_3 input_60; [L257] SORT_61 input_62; [L258] SORT_3 input_63; [L259] SORT_6 input_64; [L260] SORT_1 input_65; [L261] SORT_3 input_66; [L262] SORT_37 input_67; [L263] SORT_1 input_68; [L264] SORT_3 input_69; [L265] SORT_9 input_70; [L266] SORT_3 input_71; [L267] SORT_3 input_72; [L268] SORT_3 input_73; [L269] SORT_3 input_74; [L270] SORT_3 input_75; [L271] SORT_61 input_76; [L272] SORT_3 input_77; [L273] SORT_9 input_78; [L274] SORT_11 input_79; [L275] SORT_52 input_80; [L276] SORT_1 input_81; [L277] SORT_52 input_82; [L278] SORT_1 input_83; [L279] SORT_52 input_84; [L280] SORT_1 input_85; [L281] SORT_52 input_86; [L282] SORT_1 input_87; [L283] SORT_26 input_88; [L284] SORT_9 input_89; [L285] SORT_1 input_90; [L286] SORT_9 input_91; [L287] SORT_26 input_92; [L288] SORT_26 input_93; [L289] SORT_3 input_94; [L290] SORT_6 input_95; [L291] SORT_6 input_96; [L292] SORT_37 input_97; [L293] SORT_37 input_98; [L294] SORT_37 input_99; [L295] SORT_3 input_100; [L296] SORT_3 input_101; [L297] SORT_1 input_102; [L298] SORT_1 input_103; [L299] SORT_1 input_104; [L300] SORT_1 input_105; [L301] SORT_1 input_106; [L303] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L303] SORT_3 state_108 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L304] EXPR __VERIFIER_nondet_uchar() & mask_SORT_26 [L304] SORT_26 state_112 = __VERIFIER_nondet_uchar() & mask_SORT_26; [L305] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L305] SORT_3 state_114 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L306] EXPR __VERIFIER_nondet_uchar() & mask_SORT_37 [L306] SORT_37 state_126 = __VERIFIER_nondet_uchar() & mask_SORT_37; [L307] EXPR __VERIFIER_nondet_uchar() & mask_SORT_26 [L307] SORT_26 state_154 = __VERIFIER_nondet_uchar() & mask_SORT_26; [L308] EXPR __VERIFIER_nondet_uchar() & mask_SORT_37 [L308] SORT_37 state_161 = __VERIFIER_nondet_uchar() & mask_SORT_37; [L309] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L309] SORT_3 state_193 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L310] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L310] SORT_1 state_197 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L311] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 [L311] SORT_9 state_255 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L312] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L312] SORT_1 state_480 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L313] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 [L313] SORT_9 state_562 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L314] EXPR __VERIFIER_nondet_uchar() & mask_SORT_26 [L314] SORT_26 state_574 = __VERIFIER_nondet_uchar() & mask_SORT_26; [L315] EXPR __VERIFIER_nondet_uint() & mask_SORT_11 [L315] SORT_11 state_597 = __VERIFIER_nondet_uint() & mask_SORT_11; [L316] EXPR __VERIFIER_nondet_uchar() & mask_SORT_52 [L316] SORT_52 state_642 = __VERIFIER_nondet_uchar() & mask_SORT_52; [L317] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L317] SORT_1 state_645 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L318] EXPR __VERIFIER_nondet_uchar() & mask_SORT_52 [L318] SORT_52 state_648 = __VERIFIER_nondet_uchar() & mask_SORT_52; [L319] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L319] SORT_1 state_651 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L320] EXPR __VERIFIER_nondet_uchar() & mask_SORT_52 [L320] SORT_52 state_654 = __VERIFIER_nondet_uchar() & mask_SORT_52; [L321] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L321] SORT_1 state_657 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L322] EXPR __VERIFIER_nondet_uchar() & mask_SORT_52 [L322] SORT_52 state_660 = __VERIFIER_nondet_uchar() & mask_SORT_52; [L323] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L323] SORT_1 state_663 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L324] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 [L324] SORT_9 state_693 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L325] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L325] SORT_3 state_711 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L326] EXPR __VERIFIER_nondet_uchar() & mask_SORT_37 [L326] SORT_37 state_3113 = __VERIFIER_nondet_uchar() & mask_SORT_37; [L327] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L327] SORT_1 state_3117 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L328] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L328] SORT_3 state_3126 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L329] EXPR __VERIFIER_nondet_uchar() & mask_SORT_61 [L329] SORT_61 state_3130 = __VERIFIER_nondet_uchar() & mask_SORT_61; [L330] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L330] SORT_3 state_3143 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L331] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L331] SORT_3 state_3146 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L332] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L332] SORT_1 state_3161 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L333] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L333] SORT_3 state_3165 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L334] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L334] SORT_1 state_3168 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L335] EXPR __VERIFIER_nondet_uchar() & mask_SORT_6 [L335] SORT_6 state_3180 = __VERIFIER_nondet_uchar() & mask_SORT_6; [L336] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L336] SORT_3 state_3186 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L337] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L337] SORT_3 state_3260 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L338] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L338] SORT_1 state_3263 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L339] EXPR __VERIFIER_nondet_uchar() & mask_SORT_6 [L339] SORT_6 state_3266 = __VERIFIER_nondet_uchar() & mask_SORT_6; [L341] SORT_3 init_109_arg_1 = var_107; [L342] state_108 = init_109_arg_1 [L343] SORT_26 init_113_arg_1 = var_111; [L344] state_112 = init_113_arg_1 [L345] SORT_3 init_115_arg_1 = var_107; [L346] state_114 = init_115_arg_1 [L347] SORT_37 init_127_arg_1 = var_125; [L348] state_126 = init_127_arg_1 [L349] SORT_26 init_155_arg_1 = var_111; [L350] state_154 = init_155_arg_1 [L351] SORT_37 init_162_arg_1 = var_125; [L352] state_161 = init_162_arg_1 [L353] SORT_3 init_194_arg_1 = var_107; [L354] state_193 = init_194_arg_1 [L355] SORT_1 init_198_arg_1 = var_196; [L356] state_197 = init_198_arg_1 [L357] SORT_9 init_256_arg_1 = var_254; [L358] state_255 = init_256_arg_1 [L359] SORT_1 init_481_arg_1 = var_196; [L360] state_480 = init_481_arg_1 [L361] SORT_9 init_563_arg_1 = var_254; [L362] state_562 = init_563_arg_1 [L363] SORT_26 init_575_arg_1 = var_111; [L364] state_574 = init_575_arg_1 [L365] SORT_11 init_598_arg_1 = var_596; [L366] state_597 = init_598_arg_1 [L367] SORT_52 init_643_arg_1 = var_456; [L368] state_642 = init_643_arg_1 [L369] SORT_1 init_646_arg_1 = var_196; [L370] state_645 = init_646_arg_1 [L371] SORT_52 init_649_arg_1 = var_456; [L372] state_648 = init_649_arg_1 [L373] SORT_1 init_652_arg_1 = var_196; [L374] state_651 = init_652_arg_1 [L375] SORT_52 init_655_arg_1 = var_456; [L376] state_654 = init_655_arg_1 [L377] SORT_1 init_658_arg_1 = var_196; [L378] state_657 = init_658_arg_1 [L379] SORT_52 init_661_arg_1 = var_456; [L380] state_660 = init_661_arg_1 [L381] SORT_1 init_664_arg_1 = var_196; [L382] state_663 = init_664_arg_1 [L383] SORT_9 init_694_arg_1 = var_254; [L384] state_693 = init_694_arg_1 [L385] SORT_3 init_712_arg_1 = var_107; [L386] state_711 = init_712_arg_1 [L387] SORT_37 init_3114_arg_1 = var_125; [L388] state_3113 = init_3114_arg_1 [L389] SORT_1 init_3118_arg_1 = var_196; [L390] state_3117 = init_3118_arg_1 [L391] SORT_3 init_3127_arg_1 = var_107; [L392] state_3126 = init_3127_arg_1 [L393] SORT_61 init_3131_arg_1 = var_3129; [L394] state_3130 = init_3131_arg_1 [L395] SORT_3 init_3144_arg_1 = var_107; [L396] state_3143 = init_3144_arg_1 [L397] SORT_3 init_3147_arg_1 = var_107; [L398] state_3146 = init_3147_arg_1 [L399] SORT_1 init_3162_arg_1 = var_196; [L400] state_3161 = init_3162_arg_1 [L401] SORT_3 init_3166_arg_1 = var_107; [L402] state_3165 = init_3166_arg_1 [L403] SORT_1 init_3169_arg_1 = var_196; [L404] state_3168 = init_3169_arg_1 [L405] SORT_6 init_3181_arg_1 = var_1546; [L406] state_3180 = init_3181_arg_1 [L407] SORT_3 init_3187_arg_1 = var_107; [L408] state_3186 = init_3187_arg_1 [L409] SORT_3 init_3261_arg_1 = var_107; [L410] state_3260 = init_3261_arg_1 [L411] SORT_1 init_3264_arg_1 = var_196; [L412] state_3263 = init_3264_arg_1 [L413] SORT_6 init_3267_arg_1 = var_1546; [L414] state_3266 = init_3267_arg_1 VAL [init_109_arg_1=0, init_113_arg_1=0, init_115_arg_1=0, init_127_arg_1=0, init_155_arg_1=0, init_162_arg_1=0, init_194_arg_1=0, init_198_arg_1=0, init_256_arg_1=0, init_3114_arg_1=0, init_3118_arg_1=0, init_3127_arg_1=0, init_3131_arg_1=0, init_3144_arg_1=0, init_3147_arg_1=0, init_3162_arg_1=0, init_3166_arg_1=0, init_3169_arg_1=0, init_3181_arg_1=0, init_3187_arg_1=0, init_3261_arg_1=0, init_3264_arg_1=0, init_3267_arg_1=0, init_481_arg_1=0, init_563_arg_1=0, init_575_arg_1=0, init_598_arg_1=0, init_643_arg_1=0, init_646_arg_1=0, init_649_arg_1=0, init_652_arg_1=0, init_655_arg_1=0, init_658_arg_1=0, init_661_arg_1=0, init_664_arg_1=0, init_694_arg_1=0, init_712_arg_1=0, mask_SORT_1191=8388607, mask_SORT_11=4294967295, mask_SORT_1339=67108863, mask_SORT_1381=33554431, mask_SORT_1386=134217727, mask_SORT_1389=268435455, mask_SORT_1392=536870911, mask_SORT_1397=2147483647, mask_SORT_1=3, mask_SORT_26=7, mask_SORT_3104=17179869183, mask_SORT_327=511, mask_SORT_329=1023, mask_SORT_331=2047, mask_SORT_333=4095, mask_SORT_37=31, mask_SORT_3=1, mask_SORT_52=63, mask_SORT_61=127, mask_SORT_667=16383, mask_SORT_669=65535, mask_SORT_671=4194303, mask_SORT_673=16777215, mask_SORT_675=1073741823, mask_SORT_6=15, mask_SORT_714=8589934591, mask_SORT_871=8191, mask_SORT_874=32767, mask_SORT_877=131071, mask_SORT_879=262143, mask_SORT_970=524287, mask_SORT_972=1048575, mask_SORT_974=2097151, mask_SORT_9=255, msb_SORT_1191=4194304, msb_SORT_11=2147483648, msb_SORT_1339=33554432, msb_SORT_1381=16777216, msb_SORT_1386=67108864, msb_SORT_1389=134217728, msb_SORT_1392=268435456, msb_SORT_1397=1073741824, msb_SORT_1=2, msb_SORT_26=4, msb_SORT_3104=8589934592, msb_SORT_327=256, msb_SORT_329=512, msb_SORT_331=1024, msb_SORT_333=2048, msb_SORT_37=16, msb_SORT_3=1, msb_SORT_52=32, msb_SORT_61=64, msb_SORT_667=8192, msb_SORT_669=32768, msb_SORT_671=2097152, msb_SORT_673=8388608, msb_SORT_675=536870912, msb_SORT_6=8, msb_SORT_714=4294967296, msb_SORT_871=4096, msb_SORT_874=16384, msb_SORT_877=65536, msb_SORT_879=131072, msb_SORT_970=262144, msb_SORT_972=524288, msb_SORT_974=1048576, msb_SORT_9=128, state_108=0, state_112=0, state_114=0, state_126=0, state_154=0, state_161=0, state_193=0, state_197=0, state_255=0, state_3113=0, state_3117=0, state_3126=0, state_3130=0, state_3143=0, state_3146=0, state_3161=0, state_3165=0, state_3168=0, state_3180=0, state_3186=0, state_3260=0, state_3263=0, state_3266=0, state_480=0, state_562=0, state_574=0, state_597=0, state_642=0, state_645=0, state_648=0, state_651=0, state_654=0, state_657=0, state_660=0, state_663=0, state_693=0, state_711=0, var_107=0, var_111=0, var_117=5, var_120=4, var_125=0, var_1331=8, var_1340=0, var_1426=255, var_142=2, var_1430=1, var_144=1, var_1546=0, var_189=1, var_196=0, var_204=3, var_206=2, var_208=1, var_214=3, var_222=7, var_225=6, var_2484=1, var_2487=3, var_2490=2, var_2494=5, var_2497=7, var_2500=6, var_2504=4, var_2510=9, var_2513=11, var_2516=10, var_2520=13, var_2523=15, var_2526=14, var_2530=12, var_254=0, var_2716=0, var_275=11, var_277=10, var_279=2, var_281=9, var_296=21, var_298=20, var_300=19, var_302=18, var_304=17, var_306=16, var_308=15, var_3106=0, var_310=14, var_3129=0, var_312=8, var_314=6, var_316=3, var_318=5, var_3202=0, var_336=4, var_338=1, var_348=7, var_366=13, var_374=12, var_395=23, var_398=22, var_407=25, var_410=27, var_413=26, var_417=29, var_420=31, var_423=30, var_427=28, var_433=24, var_456=0, var_532=3, var_596=0, var_715=0, var_884=2, var_887=1] [L417] input_2 = __VERIFIER_nondet_uchar() [L418] EXPR input_2 & mask_SORT_1 [L418] input_2 = input_2 & mask_SORT_1 [L419] input_4 = __VERIFIER_nondet_uchar() [L420] input_5 = __VERIFIER_nondet_uchar() [L421] EXPR input_5 & mask_SORT_3 [L421] input_5 = input_5 & mask_SORT_3 [L422] input_7 = __VERIFIER_nondet_uchar() [L423] EXPR input_7 & mask_SORT_6 [L423] input_7 = input_7 & mask_SORT_6 [L424] input_8 = __VERIFIER_nondet_uchar() [L425] EXPR input_8 & mask_SORT_3 [L425] input_8 = input_8 & mask_SORT_3 [L426] input_10 = __VERIFIER_nondet_uchar() [L427] input_12 = __VERIFIER_nondet_uint() [L428] input_13 = __VERIFIER_nondet_uchar() [L429] EXPR input_13 & mask_SORT_1 [L429] input_13 = input_13 & mask_SORT_1 [L430] input_14 = __VERIFIER_nondet_uchar() [L431] input_15 = __VERIFIER_nondet_uchar() [L432] input_16 = __VERIFIER_nondet_uchar() [L433] input_17 = __VERIFIER_nondet_uchar() [L434] EXPR input_17 & mask_SORT_1 [L434] input_17 = input_17 & mask_SORT_1 [L435] input_18 = __VERIFIER_nondet_uchar() [L436] input_19 = __VERIFIER_nondet_uchar() [L437] input_20 = __VERIFIER_nondet_uchar() [L438] input_21 = __VERIFIER_nondet_uchar() [L439] EXPR input_21 & mask_SORT_3 [L439] input_21 = input_21 & mask_SORT_3 [L440] input_22 = __VERIFIER_nondet_uchar() [L441] EXPR input_22 & mask_SORT_3 [L441] input_22 = input_22 & mask_SORT_3 [L442] input_23 = __VERIFIER_nondet_uchar() [L443] input_24 = __VERIFIER_nondet_uchar() [L444] input_25 = __VERIFIER_nondet_uchar() [L445] input_27 = __VERIFIER_nondet_uchar() [L446] input_28 = __VERIFIER_nondet_uchar() [L447] EXPR input_28 & mask_SORT_3 [L447] input_28 = input_28 & mask_SORT_3 [L448] input_29 = __VERIFIER_nondet_uchar() [L449] EXPR input_29 & mask_SORT_3 [L449] input_29 = input_29 & mask_SORT_3 [L450] input_30 = __VERIFIER_nondet_uchar() [L451] EXPR input_30 & mask_SORT_1 [L451] input_30 = input_30 & mask_SORT_1 [L452] input_31 = __VERIFIER_nondet_uchar() [L453] EXPR input_31 & mask_SORT_26 [L453] input_31 = input_31 & mask_SORT_26 [L454] input_32 = __VERIFIER_nondet_uchar() [L455] EXPR input_32 & mask_SORT_1 [L455] input_32 = input_32 & mask_SORT_1 [L456] input_33 = __VERIFIER_nondet_uchar() [L457] EXPR input_33 & mask_SORT_3 [L457] input_33 = input_33 & mask_SORT_3 [L458] input_34 = __VERIFIER_nondet_uchar() [L459] input_35 = __VERIFIER_nondet_uchar() [L460] input_36 = __VERIFIER_nondet_uchar() [L461] EXPR input_36 & mask_SORT_3 [L461] input_36 = input_36 & mask_SORT_3 [L462] input_38 = __VERIFIER_nondet_uchar() [L463] EXPR input_38 & mask_SORT_37 [L463] input_38 = input_38 & mask_SORT_37 [L464] input_39 = __VERIFIER_nondet_uchar() [L465] input_40 = __VERIFIER_nondet_uchar() [L466] input_41 = __VERIFIER_nondet_uint() [L467] input_42 = __VERIFIER_nondet_uchar() [L468] input_43 = __VERIFIER_nondet_uchar() [L469] input_44 = __VERIFIER_nondet_uchar() [L470] input_45 = __VERIFIER_nondet_uchar() [L471] input_46 = __VERIFIER_nondet_uchar() [L472] input_47 = __VERIFIER_nondet_uchar() [L473] input_48 = __VERIFIER_nondet_uchar() [L474] input_49 = __VERIFIER_nondet_uchar() [L475] input_50 = __VERIFIER_nondet_uchar() [L476] input_51 = __VERIFIER_nondet_uchar() [L477] input_53 = __VERIFIER_nondet_uchar() [L478] input_54 = __VERIFIER_nondet_uchar() [L479] input_55 = __VERIFIER_nondet_uchar() [L480] input_56 = __VERIFIER_nondet_uchar() [L481] input_57 = __VERIFIER_nondet_uchar() [L482] input_58 = __VERIFIER_nondet_uchar() [L483] input_59 = __VERIFIER_nondet_uchar() [L484] input_60 = __VERIFIER_nondet_uchar() [L485] input_62 = __VERIFIER_nondet_uchar() [L486] input_63 = __VERIFIER_nondet_uchar() [L487] input_64 = __VERIFIER_nondet_uchar() [L488] input_65 = __VERIFIER_nondet_uchar() [L489] input_66 = __VERIFIER_nondet_uchar() [L490] input_67 = __VERIFIER_nondet_uchar() [L491] input_68 = __VERIFIER_nondet_uchar() [L492] input_69 = __VERIFIER_nondet_uchar() [L493] input_70 = __VERIFIER_nondet_uchar() [L494] input_71 = __VERIFIER_nondet_uchar() [L495] input_72 = __VERIFIER_nondet_uchar() [L496] input_73 = __VERIFIER_nondet_uchar() [L497] input_74 = __VERIFIER_nondet_uchar() [L498] input_75 = __VERIFIER_nondet_uchar() [L499] input_76 = __VERIFIER_nondet_uchar() [L500] input_77 = __VERIFIER_nondet_uchar() [L501] input_78 = __VERIFIER_nondet_uchar() [L502] input_79 = __VERIFIER_nondet_uint() [L503] input_80 = __VERIFIER_nondet_uchar() [L504] input_81 = __VERIFIER_nondet_uchar() [L505] input_82 = __VERIFIER_nondet_uchar() [L506] input_83 = __VERIFIER_nondet_uchar() [L507] input_84 = __VERIFIER_nondet_uchar() [L508] input_85 = __VERIFIER_nondet_uchar() [L509] input_86 = __VERIFIER_nondet_uchar() [L510] input_87 = __VERIFIER_nondet_uchar() [L511] input_88 = __VERIFIER_nondet_uchar() [L512] input_89 = __VERIFIER_nondet_uchar() [L513] input_90 = __VERIFIER_nondet_uchar() [L514] input_91 = __VERIFIER_nondet_uchar() [L515] input_92 = __VERIFIER_nondet_uchar() [L516] input_93 = __VERIFIER_nondet_uchar() [L517] input_94 = __VERIFIER_nondet_uchar() [L518] input_95 = __VERIFIER_nondet_uchar() [L519] input_96 = __VERIFIER_nondet_uchar() [L520] input_97 = __VERIFIER_nondet_uchar() [L521] input_98 = __VERIFIER_nondet_uchar() [L522] input_99 = __VERIFIER_nondet_uchar() [L523] input_100 = __VERIFIER_nondet_uchar() [L524] input_101 = __VERIFIER_nondet_uchar() [L525] input_102 = __VERIFIER_nondet_uchar() [L526] input_103 = __VERIFIER_nondet_uchar() [L527] input_104 = __VERIFIER_nondet_uchar() [L528] input_105 = __VERIFIER_nondet_uchar() [L529] input_106 = __VERIFIER_nondet_uchar() [L532] SORT_3 var_110_arg_0 = state_108; [L533] SORT_3 var_110 = ~var_110_arg_0; [L534] SORT_3 var_116_arg_0 = state_114; [L535] SORT_26 var_116_arg_1 = state_112; [L536] SORT_26 var_116_arg_2 = input_50; [L537] SORT_26 var_116 = var_116_arg_0 ? var_116_arg_1 : var_116_arg_2; [L538] EXPR var_116 & mask_SORT_26 [L538] var_116 = var_116 & mask_SORT_26 [L539] SORT_26 var_147_arg_0 = var_116; [L540] SORT_26 var_147_arg_1 = var_111; [L541] SORT_3 var_147 = var_147_arg_0 == var_147_arg_1; [L542] SORT_3 var_148_arg_0 = var_147; [L543] SORT_3 var_148 = ~var_148_arg_0; [L544] SORT_26 var_145_arg_0 = var_116; [L545] SORT_26 var_145_arg_1 = var_144; [L546] SORT_3 var_145 = var_145_arg_0 == var_145_arg_1; [L547] SORT_3 var_146_arg_0 = var_145; [L548] SORT_3 var_146 = ~var_146_arg_0; [L549] EXPR var_146 & mask_SORT_3 [L549] var_146 = var_146 & mask_SORT_3 [L550] SORT_3 var_149_arg_0 = var_148; [L551] SORT_3 var_149_arg_1 = var_146; [L552] EXPR ((SORT_1)var_149_arg_0 << 1) | var_149_arg_1 [L552] SORT_1 var_149 = ((SORT_1)var_149_arg_0 << 1) | var_149_arg_1; [L553] EXPR var_149 & mask_SORT_1 [L553] var_149 = var_149 & mask_SORT_1 [L554] SORT_1 var_150_arg_0 = var_149; [L555] SORT_3 var_150 = var_150_arg_0 == mask_SORT_1; [L556] SORT_26 var_143_arg_0 = var_116; [L557] SORT_26 var_143_arg_1 = var_142; [L558] SORT_3 var_143 = var_143_arg_0 == var_143_arg_1; [L559] SORT_3 var_128_arg_0 = state_114; [L560] SORT_37 var_128_arg_1 = state_126; [L561] SORT_37 var_128_arg_2 = input_67; [L562] SORT_37 var_128 = var_128_arg_0 ? var_128_arg_1 : var_128_arg_2; [L563] EXPR var_128 & mask_SORT_37 [L563] var_128 = var_128 & mask_SORT_37 [L564] SORT_37 var_133_arg_0 = var_128; [L565] SORT_3 var_133 = var_133_arg_0 >> 1; [L566] SORT_3 var_134_arg_0 = var_133; [L567] SORT_3 var_134 = ~var_134_arg_0; [L568] SORT_37 var_135_arg_0 = var_128; [L569] SORT_3 var_135 = var_135_arg_0 >> 2; [L570] EXPR var_135 & mask_SORT_3 [L570] var_135 = var_135 & mask_SORT_3 [L571] SORT_3 var_136_arg_0 = var_134; [L572] SORT_3 var_136_arg_1 = var_135; [L573] EXPR ((SORT_1)var_136_arg_0 << 1) | var_136_arg_1 [L573] SORT_1 var_136 = ((SORT_1)var_136_arg_0 << 1) | var_136_arg_1; [L574] EXPR var_136 & mask_SORT_1 [L574] var_136 = var_136 & mask_SORT_1 [L575] SORT_1 var_137_arg_0 = var_136; [L576] SORT_3 var_137 = var_137_arg_0 == mask_SORT_1; [L577] SORT_3 var_138_arg_0 = var_137; [L578] SORT_3 var_138 = ~var_138_arg_0; [L579] SORT_37 var_130_arg_0 = var_128; [L580] SORT_3 var_130 = var_130_arg_0 >> 1; [L581] SORT_37 var_129_arg_0 = var_128; [L582] SORT_3 var_129 = var_129_arg_0 >> 2; [L583] EXPR var_129 & mask_SORT_3 [L583] var_129 = var_129 & mask_SORT_3 [L584] SORT_3 var_131_arg_0 = var_130; [L585] SORT_3 var_131_arg_1 = var_129; [L586] EXPR ((SORT_1)var_131_arg_0 << 1) | var_131_arg_1 [L586] SORT_1 var_131 = ((SORT_1)var_131_arg_0 << 1) | var_131_arg_1; [L587] EXPR var_131 & mask_SORT_1 [L587] var_131 = var_131 & mask_SORT_1 [L588] SORT_1 var_132_arg_0 = var_131; [L589] SORT_3 var_132 = var_132_arg_0 == mask_SORT_1; [L590] SORT_26 var_121_arg_0 = var_116; [L591] SORT_26 var_121_arg_1 = var_120; [L592] SORT_3 var_121 = var_121_arg_0 == var_121_arg_1; [L593] SORT_3 var_122_arg_0 = var_121; [L594] SORT_3 var_122 = ~var_122_arg_0; [L595] SORT_26 var_118_arg_0 = var_116; [L596] SORT_26 var_118_arg_1 = var_117; [L597] SORT_3 var_118 = var_118_arg_0 == var_118_arg_1; [L598] SORT_3 var_119_arg_0 = var_118; [L599] SORT_3 var_119 = ~var_119_arg_0; [L600] EXPR var_119 & mask_SORT_3 [L600] var_119 = var_119 & mask_SORT_3 [L601] SORT_3 var_123_arg_0 = var_122; [L602] SORT_3 var_123_arg_1 = var_119; [L603] EXPR ((SORT_1)var_123_arg_0 << 1) | var_123_arg_1 [L603] SORT_1 var_123 = ((SORT_1)var_123_arg_0 << 1) | var_123_arg_1; [L604] EXPR var_123 & mask_SORT_1 [L604] var_123 = var_123 & mask_SORT_1 [L605] SORT_1 var_124_arg_0 = var_123; [L606] SORT_3 var_124 = var_124_arg_0 == mask_SORT_1; [L607] SORT_3 var_139_arg_0 = var_132; [L608] SORT_3 var_139_arg_1 = var_124; [L609] EXPR ((SORT_1)var_139_arg_0 << 1) | var_139_arg_1 [L609] SORT_1 var_139 = ((SORT_1)var_139_arg_0 << 1) | var_139_arg_1; [L610] EXPR var_139 & mask_SORT_1 [L610] var_139 = var_139 & mask_SORT_1 [L611] SORT_3 var_140_arg_0 = var_138; [L612] SORT_1 var_140_arg_1 = var_139; [L613] EXPR ((SORT_26)var_140_arg_0 << 2) | var_140_arg_1 [L613] SORT_26 var_140 = ((SORT_26)var_140_arg_0 << 2) | var_140_arg_1; [L614] EXPR var_140 & mask_SORT_26 [L614] var_140 = var_140 & mask_SORT_26 [L615] SORT_26 var_141_arg_0 = var_140; [L616] SORT_3 var_141 = var_141_arg_0 == mask_SORT_26; [L617] SORT_3 var_151_arg_0 = var_143; [L618] SORT_3 var_151_arg_1 = var_141; [L619] EXPR ((SORT_1)var_151_arg_0 << 1) | var_151_arg_1 [L619] SORT_1 var_151 = ((SORT_1)var_151_arg_0 << 1) | var_151_arg_1; [L620] EXPR var_151 & mask_SORT_1 [L620] var_151 = var_151 & mask_SORT_1 [L621] SORT_3 var_152_arg_0 = var_150; [L622] SORT_1 var_152_arg_1 = var_151; [L623] EXPR ((SORT_26)var_152_arg_0 << 2) | var_152_arg_1 [L623] SORT_26 var_152 = ((SORT_26)var_152_arg_0 << 2) | var_152_arg_1; [L624] EXPR var_152 & mask_SORT_26 [L624] var_152 = var_152 & mask_SORT_26 [L625] SORT_26 var_153_arg_0 = var_152; [L626] SORT_3 var_153 = var_153_arg_0 == mask_SORT_26; [L627] SORT_3 var_156_arg_0 = state_114; [L628] SORT_26 var_156_arg_1 = state_154; [L629] SORT_26 var_156_arg_2 = input_50; [L630] SORT_26 var_156 = var_156_arg_0 ? var_156_arg_1 : var_156_arg_2; [L631] EXPR var_156 & mask_SORT_26 [L631] var_156 = var_156 & mask_SORT_26 [L632] SORT_26 var_178_arg_0 = var_156; [L633] SORT_26 var_178_arg_1 = var_111; [L634] SORT_3 var_178 = var_178_arg_0 == var_178_arg_1; [L635] SORT_3 var_179_arg_0 = var_178; [L636] SORT_3 var_179 = ~var_179_arg_0; [L637] SORT_3 var_180_arg_0 = var_179; [L638] SORT_3 var_180_arg_1 = var_146; [L639] EXPR ((SORT_1)var_180_arg_0 << 1) | var_180_arg_1 [L639] SORT_1 var_180 = ((SORT_1)var_180_arg_0 << 1) | var_180_arg_1; [L640] EXPR var_180 & mask_SORT_1 [L640] var_180 = var_180 & mask_SORT_1 [L641] SORT_1 var_181_arg_0 = var_180; [L642] SORT_3 var_181 = var_181_arg_0 == mask_SORT_1; [L643] SORT_26 var_177_arg_0 = var_156; [L644] SORT_26 var_177_arg_1 = var_142; [L645] SORT_3 var_177 = var_177_arg_0 == var_177_arg_1; [L646] SORT_3 var_163_arg_0 = state_114; [L647] SORT_37 var_163_arg_1 = state_161; [L648] SORT_37 var_163_arg_2 = input_67; [L649] SORT_37 var_163 = var_163_arg_0 ? var_163_arg_1 : var_163_arg_2; [L650] SORT_37 var_168_arg_0 = var_163; [L651] SORT_3 var_168 = var_168_arg_0 >> 1; [L652] SORT_3 var_169_arg_0 = var_168; [L653] SORT_3 var_169 = ~var_169_arg_0; [L654] SORT_37 var_170_arg_0 = var_163; [L655] SORT_3 var_170 = var_170_arg_0 >> 2; [L656] EXPR var_170 & mask_SORT_3 [L656] var_170 = var_170 & mask_SORT_3 [L657] SORT_3 var_171_arg_0 = var_169; [L658] SORT_3 var_171_arg_1 = var_170; [L659] EXPR ((SORT_1)var_171_arg_0 << 1) | var_171_arg_1 [L659] SORT_1 var_171 = ((SORT_1)var_171_arg_0 << 1) | var_171_arg_1; [L660] EXPR var_171 & mask_SORT_1 [L660] var_171 = var_171 & mask_SORT_1 [L661] SORT_1 var_172_arg_0 = var_171; [L662] SORT_3 var_172 = var_172_arg_0 == mask_SORT_1; [L663] SORT_3 var_173_arg_0 = var_172; [L664] SORT_3 var_173 = ~var_173_arg_0; [L665] SORT_37 var_165_arg_0 = var_163; [L666] SORT_3 var_165 = var_165_arg_0 >> 1; [L667] SORT_37 var_164_arg_0 = var_163; [L668] SORT_3 var_164 = var_164_arg_0 >> 2; [L669] EXPR var_164 & mask_SORT_3 [L669] var_164 = var_164 & mask_SORT_3 [L670] SORT_3 var_166_arg_0 = var_165; [L671] SORT_3 var_166_arg_1 = var_164; [L672] EXPR ((SORT_1)var_166_arg_0 << 1) | var_166_arg_1 [L672] SORT_1 var_166 = ((SORT_1)var_166_arg_0 << 1) | var_166_arg_1; [L673] EXPR var_166 & mask_SORT_1 [L673] var_166 = var_166 & mask_SORT_1 [L674] SORT_1 var_167_arg_0 = var_166; [L675] SORT_3 var_167 = var_167_arg_0 == mask_SORT_1; [L676] SORT_26 var_157_arg_0 = var_156; [L677] SORT_26 var_157_arg_1 = var_117; [L678] SORT_3 var_157 = var_157_arg_0 == var_157_arg_1; [L679] SORT_3 var_158_arg_0 = var_157; [L680] SORT_3 var_158 = ~var_158_arg_0; [L681] EXPR var_158 & mask_SORT_3 [L681] var_158 = var_158 & mask_SORT_3 [L682] SORT_3 var_159_arg_0 = var_122; [L683] SORT_3 var_159_arg_1 = var_158; [L684] EXPR ((SORT_1)var_159_arg_0 << 1) | var_159_arg_1 [L684] SORT_1 var_159 = ((SORT_1)var_159_arg_0 << 1) | var_159_arg_1; [L685] EXPR var_159 & mask_SORT_1 [L685] var_159 = var_159 & mask_SORT_1 [L686] SORT_1 var_160_arg_0 = var_159; [L687] SORT_3 var_160 = var_160_arg_0 == mask_SORT_1; [L688] SORT_3 var_174_arg_0 = var_167; [L689] SORT_3 var_174_arg_1 = var_160; [L690] EXPR ((SORT_1)var_174_arg_0 << 1) | var_174_arg_1 [L690] SORT_1 var_174 = ((SORT_1)var_174_arg_0 << 1) | var_174_arg_1; [L691] EXPR var_174 & mask_SORT_1 [L691] var_174 = var_174 & mask_SORT_1 [L692] SORT_3 var_175_arg_0 = var_173; [L693] SORT_1 var_175_arg_1 = var_174; [L694] EXPR ((SORT_26)var_175_arg_0 << 2) | var_175_arg_1 [L694] SORT_26 var_175 = ((SORT_26)var_175_arg_0 << 2) | var_175_arg_1; [L695] EXPR var_175 & mask_SORT_26 [L695] var_175 = var_175 & mask_SORT_26 [L696] SORT_26 var_176_arg_0 = var_175; [L697] SORT_3 var_176 = var_176_arg_0 == mask_SORT_26; [L698] SORT_3 var_182_arg_0 = var_177; [L699] SORT_3 var_182_arg_1 = var_176; [L700] EXPR ((SORT_1)var_182_arg_0 << 1) | var_182_arg_1 [L700] SORT_1 var_182 = ((SORT_1)var_182_arg_0 << 1) | var_182_arg_1; [L701] EXPR var_182 & mask_SORT_1 [L701] var_182 = var_182 & mask_SORT_1 [L702] SORT_3 var_183_arg_0 = var_181; [L703] SORT_1 var_183_arg_1 = var_182; [L704] EXPR ((SORT_26)var_183_arg_0 << 2) | var_183_arg_1 [L704] SORT_26 var_183 = ((SORT_26)var_183_arg_0 << 2) | var_183_arg_1; [L705] EXPR var_183 & mask_SORT_26 [L705] var_183 = var_183 & mask_SORT_26 [L706] SORT_26 var_184_arg_0 = var_183; [L707] SORT_3 var_184 = var_184_arg_0 == mask_SORT_26; [L708] SORT_3 var_185_arg_0 = var_153; [L709] SORT_3 var_185_arg_1 = var_184; [L710] SORT_3 var_185 = var_185_arg_0 == var_185_arg_1; [L711] SORT_3 var_186_arg_0 = var_110; [L712] SORT_3 var_186_arg_1 = var_185; [L713] EXPR var_186_arg_0 | var_186_arg_1 [L713] SORT_3 var_186 = var_186_arg_0 | var_186_arg_1; [L714] SORT_3 var_190_arg_0 = var_186; [L715] SORT_3 var_190 = ~var_190_arg_0; [L716] SORT_3 var_191_arg_0 = var_189; [L717] SORT_3 var_191_arg_1 = var_190; [L718] EXPR var_191_arg_0 & var_191_arg_1 [L718] SORT_3 var_191 = var_191_arg_0 & var_191_arg_1; [L719] EXPR var_191 & mask_SORT_3 [L719] var_191 = var_191 & mask_SORT_3 [L720] SORT_3 bad_192_arg_0 = var_191; [L721] CALL __VERIFIER_assert(!(bad_192_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: 8.1s, 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, 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 [2023-12-02 15:01:05,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c1ec96-0290-4567-9125-0d01eccff331/bin/utaipan-verify-nQ1chXbOIh/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_74c1ec96-0290-4567-9125-0d01eccff331/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c1ec96-0290-4567-9125-0d01eccff331/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c1ec96-0290-4567-9125-0d01eccff331/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c1ec96-0290-4567-9125-0d01eccff331/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal44.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c1ec96-0290-4567-9125-0d01eccff331/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c1ec96-0290-4567-9125-0d01eccff331/bin/utaipan-verify-nQ1chXbOIh --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 0b9efbe1f2eb9012cfe4baaf4c265c14279b62a6e79060d67076e85c09a3114f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:01:07,742 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:01:07,819 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c1ec96-0290-4567-9125-0d01eccff331/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-12-02 15:01:07,825 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:01:07,826 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:01:07,854 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:01:07,855 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:01:07,855 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:01:07,856 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:01:07,856 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:01:07,857 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:01:07,858 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:01:07,858 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:01:07,859 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:01:07,859 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:01:07,860 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:01:07,861 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:01:07,862 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:01:07,862 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:01:07,863 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:01:07,863 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:01:07,864 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:01:07,864 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 15:01:07,864 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 15:01:07,865 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 15:01:07,865 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:01:07,866 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:01:07,866 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:01:07,867 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 15:01:07,867 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:01:07,868 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:01:07,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:01:07,868 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:01:07,869 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:01:07,869 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:01:07,869 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 15:01:07,869 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 15:01:07,870 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:01:07,870 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:01:07,870 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:01:07,870 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:01:07,871 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_74c1ec96-0290-4567-9125-0d01eccff331/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c1ec96-0290-4567-9125-0d01eccff331/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b9efbe1f2eb9012cfe4baaf4c265c14279b62a6e79060d67076e85c09a3114f [2023-12-02 15:01:08,150 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:01:08,171 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:01:08,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:01:08,175 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:01:08,175 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:01:08,177 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c1ec96-0290-4567-9125-0d01eccff331/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal44.c [2023-12-02 15:01:10,999 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:01:11,527 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:01:11,528 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c1ec96-0290-4567-9125-0d01eccff331/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal44.c [2023-12-02 15:01:11,595 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c1ec96-0290-4567-9125-0d01eccff331/bin/utaipan-verify-nQ1chXbOIh/data/1da384adc/046094e911324d4da021923769b98720/FLAGa848726d0 [2023-12-02 15:01:11,610 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c1ec96-0290-4567-9125-0d01eccff331/bin/utaipan-verify-nQ1chXbOIh/data/1da384adc/046094e911324d4da021923769b98720 [2023-12-02 15:01:11,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:01:11,614 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:01:11,615 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:01:11,616 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:01:11,621 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:01:11,621 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:01:11" (1/1) ... [2023-12-02 15:01:11,623 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ab2de8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:11, skipping insertion in model container [2023-12-02 15:01:11,623 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:01:11" (1/1) ... [2023-12-02 15:01:11,830 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:01:12,092 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_74c1ec96-0290-4567-9125-0d01eccff331/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal44.c[1245,1258] [2023-12-02 15:01:13,041 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:01:13,061 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:01:13,070 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_74c1ec96-0290-4567-9125-0d01eccff331/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal44.c[1245,1258] [2023-12-02 15:01:13,806 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:01:13,821 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:01:13,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:13 WrapperNode [2023-12-02 15:01:13,821 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:01:13,822 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:01:13,823 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:01:13,823 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:01:13,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:13" (1/1) ... [2023-12-02 15:01:13,947 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:13" (1/1) ... [2023-12-02 15:01:14,309 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11501 [2023-12-02 15:01:14,309 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:01:14,310 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:01:14,310 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:01:14,311 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:01:14,320 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:13" (1/1) ... [2023-12-02 15:01:14,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:13" (1/1) ... [2023-12-02 15:01:14,397 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:13" (1/1) ... [2023-12-02 15:01:14,397 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:13" (1/1) ... [2023-12-02 15:01:14,600 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:13" (1/1) ... [2023-12-02 15:01:14,619 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:13" (1/1) ... [2023-12-02 15:01:14,648 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:13" (1/1) ... [2023-12-02 15:01:14,718 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:13" (1/1) ... [2023-12-02 15:01:14,787 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:01:14,788 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:01:14,788 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:01:14,788 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:01:14,789 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:13" (1/1) ... [2023-12-02 15:01:14,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:01:14,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c1ec96-0290-4567-9125-0d01eccff331/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:01:14,847 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c1ec96-0290-4567-9125-0d01eccff331/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:01:14,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c1ec96-0290-4567-9125-0d01eccff331/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:01:14,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:01:14,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 15:01:14,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:01:14,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:01:16,238 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:01:16,240 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:02:09,150 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:02:09,470 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:02:09,470 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 15:02:09,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:02:09 BoogieIcfgContainer [2023-12-02 15:02:09,471 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:02:09,473 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:02:09,473 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:02:09,476 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:02:09,476 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:01:11" (1/3) ... [2023-12-02 15:02:09,477 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ebfdb9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:02:09, skipping insertion in model container [2023-12-02 15:02:09,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:13" (2/3) ... [2023-12-02 15:02:09,477 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ebfdb9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:02:09, skipping insertion in model container [2023-12-02 15:02:09,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:02:09" (3/3) ... [2023-12-02 15:02:09,479 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal44.c [2023-12-02 15:02:09,494 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:02:09,494 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:02:09,531 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:02:09,537 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;@6f78e5ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:02:09,537 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:02:09,540 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) [2023-12-02 15:02:09,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 15:02:09,544 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:02:09,545 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-02 15:02:09,545 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:02:09,550 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:02:09,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-12-02 15:02:09,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:02:09,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1146177349] [2023-12-02 15:02:09,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:02:09,564 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 [2023-12-02 15:02:09,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c1ec96-0290-4567-9125-0d01eccff331/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:02:09,566 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c1ec96-0290-4567-9125-0d01eccff331/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 15:02:09,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c1ec96-0290-4567-9125-0d01eccff331/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 15:02:11,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:02:11,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 15:02:11,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:02:11,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 15:02:11,272 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:02:11,273 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:02:11,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1146177349] [2023-12-02 15:02:11,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1146177349] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:02:11,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:02:11,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:02:11,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745668276] [2023-12-02 15:02:11,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:02:11,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:02:11,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:02:11,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:02:11,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:02:11,310 INFO L87 Difference]: Start difference. First 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) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2023-12-02 15:02:14,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.58s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:02:16,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:02:18,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:02:20,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:02:22,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:02:22,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:02:22,846 INFO L93 Difference]: Finished difference Result 16 states and 24 transitions. [2023-12-02 15:02:22,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 15:02:22,916 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-12-02 15:02:22,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:02:22,922 INFO L225 Difference]: With dead ends: 16 [2023-12-02 15:02:22,922 INFO L226 Difference]: Without dead ends: 9 [2023-12-02 15:02:22,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 15:02:22,928 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2023-12-02 15:02:22,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 7 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 5 Unknown, 0 Unchecked, 11.5s Time] [2023-12-02 15:02:22,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-12-02 15:02:22,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-12-02 15:02:22,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 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) [2023-12-02 15:02:22,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-12-02 15:02:22,952 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2023-12-02 15:02:22,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:02:22,952 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2023-12-02 15:02:22,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2023-12-02 15:02:22,953 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-12-02 15:02:22,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 15:02:22,953 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:02:22,953 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2023-12-02 15:02:22,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c1ec96-0290-4567-9125-0d01eccff331/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 15:02:23,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c1ec96-0290-4567-9125-0d01eccff331/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 15:02:23,158 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:02:23,159 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:02:23,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1393329571, now seen corresponding path program 1 times [2023-12-02 15:02:23,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:02:23,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [832041127] [2023-12-02 15:02:23,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:02:23,168 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 [2023-12-02 15:02:23,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c1ec96-0290-4567-9125-0d01eccff331/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:02:23,169 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c1ec96-0290-4567-9125-0d01eccff331/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 15:02:23,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c1ec96-0290-4567-9125-0d01eccff331/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-02 15:03:44,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:03:45,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 9601 conjuncts, 164 conjunts are in the unsatisfiable core [2023-12-02 15:03:45,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:03:48,126 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 15:03:48,126 INFO L327 TraceCheckSpWp]: Computing backward predicates...