./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.4.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116cead-91cd-41da-a8a4-30740b3ce2f0/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116cead-91cd-41da-a8a4-30740b3ce2f0/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116cead-91cd-41da-a8a4-30740b3ce2f0/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116cead-91cd-41da-a8a4-30740b3ce2f0/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.4.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116cead-91cd-41da-a8a4-30740b3ce2f0/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116cead-91cd-41da-a8a4-30740b3ce2f0/bin/utaipan-verify-sOmjnqqW8E --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 1f2a52ce1efe263bca246be10c19245fdf000d16944dcc2f9d43861903edeca7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:42:01,997 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:42:02,070 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116cead-91cd-41da-a8a4-30740b3ce2f0/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 02:42:02,075 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:42:02,075 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:42:02,097 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:42:02,098 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:42:02,098 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:42:02,098 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:42:02,099 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:42:02,099 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:42:02,099 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:42:02,099 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:42:02,099 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 02:42:02,099 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:42:02,099 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:42:02,099 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 02:42:02,099 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 02:42:02,100 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:42:02,100 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 02:42:02,100 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 02:42:02,100 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 02:42:02,100 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:42:02,100 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 02:42:02,101 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 02:42:02,101 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:42:02,101 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 02:42:02,101 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:42:02,101 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 02:42:02,101 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:42:02,101 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 02:42:02,101 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:42:02,101 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:42:02,102 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:42:02,102 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:42:02,102 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:42:02,102 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:42:02,102 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:42:02,102 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 02:42:02,102 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 02:42:02,102 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 02:42:02,102 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:42:02,102 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:42:02,103 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 02:42:02,103 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_7116cead-91cd-41da-a8a4-30740b3ce2f0/bin/utaipan-verify-sOmjnqqW8E 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 -> 1f2a52ce1efe263bca246be10c19245fdf000d16944dcc2f9d43861903edeca7 [2024-11-14 02:42:02,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:42:02,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:42:02,415 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:42:02,417 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:42:02,417 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:42:02,418 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116cead-91cd-41da-a8a4-30740b3ce2f0/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.4.prop1-func-interl.c Unable to find full path for "g++" [2024-11-14 02:42:04,363 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:42:04,823 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:42:04,824 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116cead-91cd-41da-a8a4-30740b3ce2f0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.4.prop1-func-interl.c [2024-11-14 02:42:04,856 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116cead-91cd-41da-a8a4-30740b3ce2f0/bin/utaipan-verify-sOmjnqqW8E/data/da4c945cd/84af29363ae34f5390246ed359e05e03/FLAGe37836cc7 [2024-11-14 02:42:04,940 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116cead-91cd-41da-a8a4-30740b3ce2f0/bin/utaipan-verify-sOmjnqqW8E/data/da4c945cd/84af29363ae34f5390246ed359e05e03 [2024-11-14 02:42:04,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:42:04,943 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:42:04,945 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:42:04,945 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:42:04,949 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:42:04,950 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:42:04" (1/1) ... [2024-11-14 02:42:04,951 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30af4c05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:04, skipping insertion in model container [2024-11-14 02:42:04,951 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:42:04" (1/1) ... [2024-11-14 02:42:05,033 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:42:05,263 WARN L250 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_7116cead-91cd-41da-a8a4-30740b3ce2f0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.4.prop1-func-interl.c[1171,1184] [2024-11-14 02:42:05,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:42:05,972 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:42:05,984 WARN L250 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_7116cead-91cd-41da-a8a4-30740b3ce2f0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.4.prop1-func-interl.c[1171,1184] [2024-11-14 02:42:06,278 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:42:06,294 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:42:06,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:06 WrapperNode [2024-11-14 02:42:06,296 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:42:06,298 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:42:06,298 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:42:06,298 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:42:06,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:06" (1/1) ... [2024-11-14 02:42:06,484 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:06" (1/1) ... [2024-11-14 02:42:08,131 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 10692 [2024-11-14 02:42:08,133 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:42:08,134 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:42:08,134 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:42:08,134 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:42:08,140 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:06" (1/1) ... [2024-11-14 02:42:08,140 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:06" (1/1) ... [2024-11-14 02:42:08,414 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:06" (1/1) ... [2024-11-14 02:42:08,414 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:06" (1/1) ... [2024-11-14 02:42:08,942 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:06" (1/1) ... [2024-11-14 02:42:09,012 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:06" (1/1) ... [2024-11-14 02:42:09,112 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:06" (1/1) ... [2024-11-14 02:42:09,163 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:06" (1/1) ... [2024-11-14 02:42:09,524 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:42:09,533 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:42:09,534 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:42:09,534 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:42:09,535 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:06" (1/1) ... [2024-11-14 02:42:09,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:42:09,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116cead-91cd-41da-a8a4-30740b3ce2f0/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:42:09,634 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116cead-91cd-41da-a8a4-30740b3ce2f0/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:42:09,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116cead-91cd-41da-a8a4-30740b3ce2f0/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:42:09,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:42:09,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 02:42:09,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:42:09,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:42:10,681 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:42:10,683 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:42:28,410 INFO L? ?]: Removed 5825 outVars from TransFormulas that were not future-live. [2024-11-14 02:42:28,410 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:42:50,249 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:42:50,249 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 02:42:50,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:42:50 BoogieIcfgContainer [2024-11-14 02:42:50,250 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:42:50,252 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:42:50,252 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:42:50,257 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:42:50,257 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:42:04" (1/3) ... [2024-11-14 02:42:50,258 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@124f187c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:42:50, skipping insertion in model container [2024-11-14 02:42:50,258 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:06" (2/3) ... [2024-11-14 02:42:50,258 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@124f187c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:42:50, skipping insertion in model container [2024-11-14 02:42:50,258 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:42:50" (3/3) ... [2024-11-14 02:42:50,260 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.lann.4.prop1-func-interl.c [2024-11-14 02:42:50,277 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:42:50,279 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.lann.4.prop1-func-interl.c that has 1 procedures, 7 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 02:42:50,344 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:42:50,361 INFO L333 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, 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;@c3d3965, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:42:50,361 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 02:42:50,366 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) [2024-11-14 02:42:50,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-14 02:42:50,372 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:50,373 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-14 02:42:50,374 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:42:50,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:50,381 INFO L85 PathProgramCache]: Analyzing trace with hash 560513943, now seen corresponding path program 1 times [2024-11-14 02:42:50,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:50,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264349711] [2024-11-14 02:42:50,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:50,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:51,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:42:51,594 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 02:42:52,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:42:52,237 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 02:42:52,239 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 02:42:52,241 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 02:42:52,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 02:42:52,250 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 02:42:52,323 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 02:42:52,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 02:42:52 BoogieIcfgContainer [2024-11-14 02:42:52,334 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 02:42:52,334 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 02:42:52,334 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 02:42:52,334 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 02:42:52,335 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:42:50" (3/4) ... [2024-11-14 02:42:52,340 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 02:42:52,341 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 02:42:52,343 INFO L158 Benchmark]: Toolchain (without parser) took 47399.17ms. Allocated memory was 117.4MB in the beginning and 7.6GB in the end (delta: 7.5GB). Free memory was 87.7MB in the beginning and 6.8GB in the end (delta: -6.7GB). Peak memory consumption was 805.2MB. Max. memory is 16.1GB. [2024-11-14 02:42:52,345 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:42:52,346 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1352.38ms. Allocated memory is still 117.4MB. Free memory was 87.7MB in the beginning and 33.4MB in the end (delta: 54.4MB). Peak memory consumption was 89.0MB. Max. memory is 16.1GB. [2024-11-14 02:42:52,346 INFO L158 Benchmark]: Boogie Procedure Inliner took 1835.32ms. Allocated memory was 117.4MB in the beginning and 620.8MB in the end (delta: 503.3MB). Free memory was 33.4MB in the beginning and 381.5MB in the end (delta: -348.1MB). Peak memory consumption was 238.8MB. Max. memory is 16.1GB. [2024-11-14 02:42:52,347 INFO L158 Benchmark]: Boogie Preprocessor took 1394.83ms. Allocated memory is still 620.8MB. Free memory was 381.5MB in the beginning and 321.9MB in the end (delta: 59.6MB). Peak memory consumption was 107.6MB. Max. memory is 16.1GB. [2024-11-14 02:42:52,347 INFO L158 Benchmark]: RCFGBuilder took 40716.64ms. Allocated memory was 620.8MB in the beginning and 7.6GB in the end (delta: 7.0GB). Free memory was 321.9MB in the beginning and 7.0GB in the end (delta: -6.7GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. [2024-11-14 02:42:52,347 INFO L158 Benchmark]: TraceAbstraction took 2081.44ms. Allocated memory is still 7.6GB. Free memory was 7.0GB in the beginning and 6.8GB in the end (delta: 209.7MB). Peak memory consumption was 209.7MB. Max. memory is 16.1GB. [2024-11-14 02:42:52,348 INFO L158 Benchmark]: Witness Printer took 7.12ms. Allocated memory is still 7.6GB. Free memory was 6.8GB in the beginning and 6.8GB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:42:52,353 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1352.38ms. Allocated memory is still 117.4MB. Free memory was 87.7MB in the beginning and 33.4MB in the end (delta: 54.4MB). Peak memory consumption was 89.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1835.32ms. Allocated memory was 117.4MB in the beginning and 620.8MB in the end (delta: 503.3MB). Free memory was 33.4MB in the beginning and 381.5MB in the end (delta: -348.1MB). Peak memory consumption was 238.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1394.83ms. Allocated memory is still 620.8MB. Free memory was 381.5MB in the beginning and 321.9MB in the end (delta: 59.6MB). Peak memory consumption was 107.6MB. Max. memory is 16.1GB. * RCFGBuilder took 40716.64ms. Allocated memory was 620.8MB in the beginning and 7.6GB in the end (delta: 7.0GB). Free memory was 321.9MB in the beginning and 7.0GB in the end (delta: -6.7GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. * TraceAbstraction took 2081.44ms. Allocated memory is still 7.6GB. Free memory was 7.0GB in the beginning and 6.8GB in the end (delta: 209.7MB). Peak memory consumption was 209.7MB. Max. memory is 16.1GB. * Witness Printer took 7.12ms. Allocated memory is still 7.6GB. Free memory was 6.8GB in the beginning and 6.8GB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 102, overapproximation of bitwiseAnd at line 244. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_2 var_5 = 0; [L39] const SORT_1 var_46 = 0; [L40] const SORT_4 var_99 = 1; [L41] const SORT_4 var_100 = 0; [L42] const SORT_2 var_114 = 2; [L43] const SORT_2 var_116 = 1; [L44] const SORT_2 var_118 = 0; [L45] const SORT_2 var_203 = 23; [L46] const SORT_2 var_204 = 255; [L47] const SORT_2 var_213 = 24; [L48] const SORT_2 var_222 = 14; [L49] const SORT_2 var_231 = 6; [L50] const SORT_3 var_501 = 0; [L51] const SORT_4 var_503 = 23; [L52] const SORT_4 var_537 = 24; [L53] const SORT_4 var_571 = 14; [L54] const SORT_4 var_605 = 6; [L56] SORT_1 input_113; [L57] SORT_1 input_115; [L58] SORT_1 input_117; [L59] SORT_1 input_119; [L60] SORT_1 input_125; [L61] SORT_1 input_128; [L62] SORT_1 input_133; [L63] SORT_1 input_134; [L64] SORT_1 input_135; [L65] SORT_1 input_136; [L66] SORT_1 input_142; [L67] SORT_1 input_145; [L68] SORT_1 input_150; [L69] SORT_1 input_151; [L70] SORT_1 input_152; [L71] SORT_1 input_153; [L72] SORT_1 input_159; [L73] SORT_1 input_162; [L74] SORT_1 input_167; [L75] SORT_1 input_168; [L76] SORT_1 input_169; [L77] SORT_1 input_170; [L78] SORT_1 input_176; [L79] SORT_1 input_179; [L80] SORT_1 input_184; [L81] SORT_1 input_185; [L82] SORT_1 input_186; [L83] SORT_1 input_187; [L84] SORT_1 input_193; [L85] SORT_1 input_196; [L86] SORT_1 input_201; [L87] SORT_1 input_202; [L88] SORT_1 input_211; [L89] SORT_1 input_212; [L90] SORT_1 input_220; [L91] SORT_1 input_221; [L92] SORT_1 input_229; [L93] SORT_1 input_230; [L94] SORT_1 input_238; [L95] SORT_1 input_239; [L96] SORT_1 input_253; [L97] SORT_1 input_273; [L98] SORT_1 input_293; [L99] SORT_1 input_313; [L100] SORT_1 input_333; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L102] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L103] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L104] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L105] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L106] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L107] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L108] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L109] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L110] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L111] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L112] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L113] SORT_2 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L114] SORT_2 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L115] SORT_2 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L116] SORT_2 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L117] SORT_2 state_36 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L118] SORT_2 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L119] SORT_2 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L120] SORT_2 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L121] SORT_2 state_44 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L122] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L122] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L123] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L124] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L125] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L125] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L126] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L126] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L127] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L127] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L128] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L128] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L129] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L129] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L130] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L130] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L131] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L131] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L132] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L132] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L133] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L133] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L134] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L134] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L135] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L135] SORT_1 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L136] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L136] SORT_1 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L137] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L137] SORT_1 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L138] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L138] SORT_1 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L139] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L139] SORT_1 state_81 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L140] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L140] SORT_1 state_83 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L141] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L141] SORT_1 state_85 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L142] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L142] SORT_1 state_87 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L143] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L143] SORT_1 state_89 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L144] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L144] SORT_1 state_91 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L145] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L145] SORT_1 state_93 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L146] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L146] SORT_1 state_95 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L147] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L147] SORT_1 state_97 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L149] SORT_2 init_7_arg_1 = var_5; [L150] state_6 = init_7_arg_1 [L151] SORT_2 init_9_arg_1 = var_5; [L152] state_8 = init_9_arg_1 [L153] SORT_2 init_11_arg_1 = var_5; [L154] state_10 = init_11_arg_1 [L155] SORT_2 init_13_arg_1 = var_5; [L156] state_12 = init_13_arg_1 [L157] SORT_2 init_15_arg_1 = var_5; [L158] state_14 = init_15_arg_1 [L159] SORT_2 init_17_arg_1 = var_5; [L160] state_16 = init_17_arg_1 [L161] SORT_2 init_19_arg_1 = var_5; [L162] state_18 = init_19_arg_1 [L163] SORT_2 init_21_arg_1 = var_5; [L164] state_20 = init_21_arg_1 [L165] SORT_2 init_23_arg_1 = var_5; [L166] state_22 = init_23_arg_1 [L167] SORT_2 init_25_arg_1 = var_5; [L168] state_24 = init_25_arg_1 [L169] SORT_2 init_27_arg_1 = var_5; [L170] state_26 = init_27_arg_1 [L171] SORT_2 init_29_arg_1 = var_5; [L172] state_28 = init_29_arg_1 [L173] SORT_2 init_31_arg_1 = var_5; [L174] state_30 = init_31_arg_1 [L175] SORT_2 init_33_arg_1 = var_5; [L176] state_32 = init_33_arg_1 [L177] SORT_2 init_35_arg_1 = var_5; [L178] state_34 = init_35_arg_1 [L179] SORT_2 init_37_arg_1 = var_5; [L180] state_36 = init_37_arg_1 [L181] SORT_2 init_39_arg_1 = var_5; [L182] state_38 = init_39_arg_1 [L183] SORT_2 init_41_arg_1 = var_5; [L184] state_40 = init_41_arg_1 [L185] SORT_2 init_43_arg_1 = var_5; [L186] state_42 = init_43_arg_1 [L187] SORT_2 init_45_arg_1 = var_5; [L188] state_44 = init_45_arg_1 [L189] SORT_1 init_48_arg_1 = var_46; [L190] state_47 = init_48_arg_1 [L191] SORT_1 init_50_arg_1 = var_46; [L192] state_49 = init_50_arg_1 [L193] SORT_1 init_52_arg_1 = var_46; [L194] state_51 = init_52_arg_1 [L195] SORT_1 init_54_arg_1 = var_46; [L196] state_53 = init_54_arg_1 [L197] SORT_1 init_56_arg_1 = var_46; [L198] state_55 = init_56_arg_1 [L199] SORT_1 init_58_arg_1 = var_46; [L200] state_57 = init_58_arg_1 [L201] SORT_1 init_60_arg_1 = var_46; [L202] state_59 = init_60_arg_1 [L203] SORT_1 init_62_arg_1 = var_46; [L204] state_61 = init_62_arg_1 [L205] SORT_1 init_64_arg_1 = var_46; [L206] state_63 = init_64_arg_1 [L207] SORT_1 init_66_arg_1 = var_46; [L208] state_65 = init_66_arg_1 [L209] SORT_1 init_68_arg_1 = var_46; [L210] state_67 = init_68_arg_1 [L211] SORT_1 init_70_arg_1 = var_46; [L212] state_69 = init_70_arg_1 [L213] SORT_1 init_72_arg_1 = var_46; [L214] state_71 = init_72_arg_1 [L215] SORT_1 init_74_arg_1 = var_46; [L216] state_73 = init_74_arg_1 [L217] SORT_1 init_76_arg_1 = var_46; [L218] state_75 = init_76_arg_1 [L219] SORT_1 init_78_arg_1 = var_46; [L220] state_77 = init_78_arg_1 [L221] SORT_1 init_80_arg_1 = var_46; [L222] state_79 = init_80_arg_1 [L223] SORT_1 init_82_arg_1 = var_46; [L224] state_81 = init_82_arg_1 [L225] SORT_1 init_84_arg_1 = var_46; [L226] state_83 = init_84_arg_1 [L227] SORT_1 init_86_arg_1 = var_46; [L228] state_85 = init_86_arg_1 [L229] SORT_1 init_88_arg_1 = var_46; [L230] state_87 = init_88_arg_1 [L231] SORT_1 init_90_arg_1 = var_46; [L232] state_89 = init_90_arg_1 [L233] SORT_1 init_92_arg_1 = var_46; [L234] state_91 = init_92_arg_1 [L235] SORT_1 init_94_arg_1 = var_46; [L236] state_93 = init_94_arg_1 [L237] SORT_1 init_96_arg_1 = var_46; [L238] state_95 = init_96_arg_1 [L239] SORT_1 init_98_arg_1 = var_46; [L240] state_97 = init_98_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, state_91=0, state_93=0, state_95=0, state_97=0, var_100=0, var_114=2, var_116=1, var_118=0, var_203=23, var_204=255, var_213=24, var_222=14, var_231=6, var_501=0, var_503=23, var_537=24, var_571=14, var_605=6, var_99=1] [L243] input_113 = __VERIFIER_nondet_uchar() [L244] EXPR input_113 & mask_SORT_1 [L244] input_113 = input_113 & mask_SORT_1 [L245] input_115 = __VERIFIER_nondet_uchar() [L246] EXPR input_115 & mask_SORT_1 [L246] input_115 = input_115 & mask_SORT_1 [L247] input_117 = __VERIFIER_nondet_uchar() [L248] EXPR input_117 & mask_SORT_1 [L248] input_117 = input_117 & mask_SORT_1 [L249] input_119 = __VERIFIER_nondet_uchar() [L250] EXPR input_119 & mask_SORT_1 [L250] input_119 = input_119 & mask_SORT_1 [L251] input_125 = __VERIFIER_nondet_uchar() [L252] EXPR input_125 & mask_SORT_1 [L252] input_125 = input_125 & mask_SORT_1 [L253] input_128 = __VERIFIER_nondet_uchar() [L254] EXPR input_128 & mask_SORT_1 [L254] input_128 = input_128 & mask_SORT_1 [L255] input_133 = __VERIFIER_nondet_uchar() [L256] EXPR input_133 & mask_SORT_1 [L256] input_133 = input_133 & mask_SORT_1 [L257] input_134 = __VERIFIER_nondet_uchar() [L258] EXPR input_134 & mask_SORT_1 [L258] input_134 = input_134 & mask_SORT_1 [L259] input_135 = __VERIFIER_nondet_uchar() [L260] EXPR input_135 & mask_SORT_1 [L260] input_135 = input_135 & mask_SORT_1 [L261] input_136 = __VERIFIER_nondet_uchar() [L262] EXPR input_136 & mask_SORT_1 [L262] input_136 = input_136 & mask_SORT_1 [L263] input_142 = __VERIFIER_nondet_uchar() [L264] EXPR input_142 & mask_SORT_1 [L264] input_142 = input_142 & mask_SORT_1 [L265] input_145 = __VERIFIER_nondet_uchar() [L266] EXPR input_145 & mask_SORT_1 [L266] input_145 = input_145 & mask_SORT_1 [L267] input_150 = __VERIFIER_nondet_uchar() [L268] EXPR input_150 & mask_SORT_1 [L268] input_150 = input_150 & mask_SORT_1 [L269] input_151 = __VERIFIER_nondet_uchar() [L270] EXPR input_151 & mask_SORT_1 [L270] input_151 = input_151 & mask_SORT_1 [L271] input_152 = __VERIFIER_nondet_uchar() [L272] EXPR input_152 & mask_SORT_1 [L272] input_152 = input_152 & mask_SORT_1 [L273] input_153 = __VERIFIER_nondet_uchar() [L274] EXPR input_153 & mask_SORT_1 [L274] input_153 = input_153 & mask_SORT_1 [L275] input_159 = __VERIFIER_nondet_uchar() [L276] EXPR input_159 & mask_SORT_1 [L276] input_159 = input_159 & mask_SORT_1 [L277] input_162 = __VERIFIER_nondet_uchar() [L278] EXPR input_162 & mask_SORT_1 [L278] input_162 = input_162 & mask_SORT_1 [L279] input_167 = __VERIFIER_nondet_uchar() [L280] EXPR input_167 & mask_SORT_1 [L280] input_167 = input_167 & mask_SORT_1 [L281] input_168 = __VERIFIER_nondet_uchar() [L282] EXPR input_168 & mask_SORT_1 [L282] input_168 = input_168 & mask_SORT_1 [L283] input_169 = __VERIFIER_nondet_uchar() [L284] EXPR input_169 & mask_SORT_1 [L284] input_169 = input_169 & mask_SORT_1 [L285] input_170 = __VERIFIER_nondet_uchar() [L286] EXPR input_170 & mask_SORT_1 [L286] input_170 = input_170 & mask_SORT_1 [L287] input_176 = __VERIFIER_nondet_uchar() [L288] EXPR input_176 & mask_SORT_1 [L288] input_176 = input_176 & mask_SORT_1 [L289] input_179 = __VERIFIER_nondet_uchar() [L290] EXPR input_179 & mask_SORT_1 [L290] input_179 = input_179 & mask_SORT_1 [L291] input_184 = __VERIFIER_nondet_uchar() [L292] EXPR input_184 & mask_SORT_1 [L292] input_184 = input_184 & mask_SORT_1 [L293] input_185 = __VERIFIER_nondet_uchar() [L294] EXPR input_185 & mask_SORT_1 [L294] input_185 = input_185 & mask_SORT_1 [L295] input_186 = __VERIFIER_nondet_uchar() [L296] EXPR input_186 & mask_SORT_1 [L296] input_186 = input_186 & mask_SORT_1 [L297] input_187 = __VERIFIER_nondet_uchar() [L298] EXPR input_187 & mask_SORT_1 [L298] input_187 = input_187 & mask_SORT_1 [L299] input_193 = __VERIFIER_nondet_uchar() [L300] EXPR input_193 & mask_SORT_1 [L300] input_193 = input_193 & mask_SORT_1 [L301] input_196 = __VERIFIER_nondet_uchar() [L302] EXPR input_196 & mask_SORT_1 [L302] input_196 = input_196 & mask_SORT_1 [L303] input_201 = __VERIFIER_nondet_uchar() [L304] EXPR input_201 & mask_SORT_1 [L304] input_201 = input_201 & mask_SORT_1 [L305] input_202 = __VERIFIER_nondet_uchar() [L306] EXPR input_202 & mask_SORT_1 [L306] input_202 = input_202 & mask_SORT_1 [L307] input_211 = __VERIFIER_nondet_uchar() [L308] EXPR input_211 & mask_SORT_1 [L308] input_211 = input_211 & mask_SORT_1 [L309] input_212 = __VERIFIER_nondet_uchar() [L310] EXPR input_212 & mask_SORT_1 [L310] input_212 = input_212 & mask_SORT_1 [L311] input_220 = __VERIFIER_nondet_uchar() [L312] EXPR input_220 & mask_SORT_1 [L312] input_220 = input_220 & mask_SORT_1 [L313] input_221 = __VERIFIER_nondet_uchar() [L314] EXPR input_221 & mask_SORT_1 [L314] input_221 = input_221 & mask_SORT_1 [L315] input_229 = __VERIFIER_nondet_uchar() [L316] EXPR input_229 & mask_SORT_1 [L316] input_229 = input_229 & mask_SORT_1 [L317] input_230 = __VERIFIER_nondet_uchar() [L318] EXPR input_230 & mask_SORT_1 [L318] input_230 = input_230 & mask_SORT_1 [L319] input_238 = __VERIFIER_nondet_uchar() [L320] EXPR input_238 & mask_SORT_1 [L320] input_238 = input_238 & mask_SORT_1 [L321] input_239 = __VERIFIER_nondet_uchar() [L322] EXPR input_239 & mask_SORT_1 [L322] input_239 = input_239 & mask_SORT_1 [L323] input_253 = __VERIFIER_nondet_uchar() [L324] input_273 = __VERIFIER_nondet_uchar() [L325] input_293 = __VERIFIER_nondet_uchar() [L326] input_313 = __VERIFIER_nondet_uchar() [L327] input_333 = __VERIFIER_nondet_uchar() [L330] SORT_1 var_101_arg_0 = ~state_49; [L331] EXPR var_101_arg_0 & mask_SORT_1 [L331] var_101_arg_0 = var_101_arg_0 & mask_SORT_1 [L332] SORT_4 var_101_arg_1 = var_99; [L333] SORT_4 var_101_arg_2 = var_100; [L334] SORT_4 var_101 = var_101_arg_0 ? var_101_arg_1 : var_101_arg_2; [L335] SORT_1 var_102_arg_0 = state_55; [L336] SORT_4 var_102_arg_1 = var_99; [L337] SORT_4 var_102_arg_2 = var_100; [L338] SORT_4 var_102 = var_102_arg_0 ? var_102_arg_1 : var_102_arg_2; [L339] SORT_4 var_103_arg_0 = var_101; [L340] SORT_4 var_103_arg_1 = var_102; [L341] SORT_4 var_103 = var_103_arg_0 + var_103_arg_1; [L342] SORT_1 var_104_arg_0 = state_61; [L343] SORT_4 var_104_arg_1 = var_99; [L344] SORT_4 var_104_arg_2 = var_100; [L345] SORT_4 var_104 = var_104_arg_0 ? var_104_arg_1 : var_104_arg_2; [L346] SORT_4 var_105_arg_0 = var_103; [L347] SORT_4 var_105_arg_1 = var_104; [L348] SORT_4 var_105 = var_105_arg_0 + var_105_arg_1; [L349] SORT_1 var_106_arg_0 = state_67; [L350] SORT_4 var_106_arg_1 = var_99; [L351] SORT_4 var_106_arg_2 = var_100; [L352] SORT_4 var_106 = var_106_arg_0 ? var_106_arg_1 : var_106_arg_2; [L353] SORT_4 var_107_arg_0 = var_105; [L354] SORT_4 var_107_arg_1 = var_106; [L355] SORT_4 var_107 = var_107_arg_0 + var_107_arg_1; [L356] SORT_1 var_108_arg_0 = state_73; [L357] SORT_4 var_108_arg_1 = var_99; [L358] SORT_4 var_108_arg_2 = var_100; [L359] SORT_4 var_108 = var_108_arg_0 ? var_108_arg_1 : var_108_arg_2; [L360] SORT_4 var_109_arg_0 = var_107; [L361] SORT_4 var_109_arg_1 = var_108; [L362] SORT_4 var_109 = var_109_arg_0 + var_109_arg_1; [L363] EXPR var_109 & mask_SORT_4 [L363] var_109 = var_109 & mask_SORT_4 [L364] SORT_4 var_110_arg_0 = var_109; [L365] SORT_4 var_110_arg_1 = var_99; [L366] SORT_1 var_110 = var_110_arg_0 <= var_110_arg_1; [L367] SORT_1 var_111_arg_0 = ~state_97; [L368] EXPR var_111_arg_0 & mask_SORT_1 [L368] var_111_arg_0 = var_111_arg_0 & mask_SORT_1 [L369] SORT_1 var_111_arg_1 = ~var_110; [L370] EXPR var_111_arg_1 & mask_SORT_1 [L370] var_111_arg_1 = var_111_arg_1 & mask_SORT_1 [L371] EXPR var_111_arg_0 & var_111_arg_1 [L371] SORT_1 var_111 = var_111_arg_0 & var_111_arg_1; [L372] EXPR var_111 & mask_SORT_1 [L372] var_111 = var_111 & mask_SORT_1 [L373] SORT_1 bad_112_arg_0 = var_111; [L374] CALL __VERIFIER_assert(!(bad_112_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 02:42:52,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116cead-91cd-41da-a8a4-30740b3ce2f0/bin/utaipan-verify-sOmjnqqW8E/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116cead-91cd-41da-a8a4-30740b3ce2f0/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116cead-91cd-41da-a8a4-30740b3ce2f0/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116cead-91cd-41da-a8a4-30740b3ce2f0/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116cead-91cd-41da-a8a4-30740b3ce2f0/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.4.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116cead-91cd-41da-a8a4-30740b3ce2f0/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116cead-91cd-41da-a8a4-30740b3ce2f0/bin/utaipan-verify-sOmjnqqW8E --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 1f2a52ce1efe263bca246be10c19245fdf000d16944dcc2f9d43861903edeca7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:42:55,398 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:42:55,537 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116cead-91cd-41da-a8a4-30740b3ce2f0/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-14 02:42:55,545 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:42:55,545 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:42:55,568 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:42:55,568 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:42:55,569 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:42:55,569 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:42:55,569 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:42:55,569 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:42:55,569 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:42:55,570 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:42:55,570 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:42:55,570 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:42:55,570 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:42:55,570 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:42:55,571 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 02:42:55,571 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:42:55,571 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 02:42:55,571 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:42:55,571 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 02:42:55,571 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 02:42:55,572 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 02:42:55,572 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:42:55,572 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 02:42:55,572 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 02:42:55,572 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:42:55,572 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:42:55,573 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 02:42:55,573 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:42:55,573 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:42:55,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:42:55,573 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:42:55,573 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:42:55,573 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 02:42:55,574 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 02:42:55,574 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 02:42:55,574 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:42:55,574 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:42:55,574 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_7116cead-91cd-41da-a8a4-30740b3ce2f0/bin/utaipan-verify-sOmjnqqW8E 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 -> 1f2a52ce1efe263bca246be10c19245fdf000d16944dcc2f9d43861903edeca7 [2024-11-14 02:42:55,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:42:55,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:42:55,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:42:55,922 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:42:55,922 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:42:55,924 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116cead-91cd-41da-a8a4-30740b3ce2f0/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.4.prop1-func-interl.c Unable to find full path for "g++" [2024-11-14 02:42:57,979 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:42:58,554 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:42:58,555 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116cead-91cd-41da-a8a4-30740b3ce2f0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.4.prop1-func-interl.c [2024-11-14 02:42:58,592 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116cead-91cd-41da-a8a4-30740b3ce2f0/bin/utaipan-verify-sOmjnqqW8E/data/e9259a8a3/cda0d0bfb2a744fabd733afa87b1cf73/FLAG7d485edcf [2024-11-14 02:42:59,067 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116cead-91cd-41da-a8a4-30740b3ce2f0/bin/utaipan-verify-sOmjnqqW8E/data/e9259a8a3/cda0d0bfb2a744fabd733afa87b1cf73 [2024-11-14 02:42:59,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:42:59,071 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:42:59,072 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:42:59,072 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:42:59,076 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:42:59,077 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:42:59" (1/1) ... [2024-11-14 02:42:59,078 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c425ac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:59, skipping insertion in model container [2024-11-14 02:42:59,078 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:42:59" (1/1) ... [2024-11-14 02:42:59,159 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:42:59,438 WARN L250 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_7116cead-91cd-41da-a8a4-30740b3ce2f0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.4.prop1-func-interl.c[1171,1184] [2024-11-14 02:43:00,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:43:00,038 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:43:00,048 WARN L250 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_7116cead-91cd-41da-a8a4-30740b3ce2f0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.4.prop1-func-interl.c[1171,1184] [2024-11-14 02:43:00,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:43:00,339 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:43:00,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:43:00 WrapperNode [2024-11-14 02:43:00,339 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:43:00,340 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:43:00,341 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:43:00,341 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:43:00,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:43:00" (1/1) ... [2024-11-14 02:43:00,407 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:43:00" (1/1) ... [2024-11-14 02:43:00,603 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3036 [2024-11-14 02:43:00,604 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:43:00,608 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:43:00,609 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:43:00,609 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:43:00,624 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:43:00" (1/1) ... [2024-11-14 02:43:00,625 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:43:00" (1/1) ... [2024-11-14 02:43:00,661 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:43:00" (1/1) ... [2024-11-14 02:43:00,664 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:43:00" (1/1) ... [2024-11-14 02:43:00,796 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:43:00" (1/1) ... [2024-11-14 02:43:00,810 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:43:00" (1/1) ... [2024-11-14 02:43:00,827 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:43:00" (1/1) ... [2024-11-14 02:43:00,850 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:43:00" (1/1) ... [2024-11-14 02:43:00,882 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:43:00,884 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:43:00,884 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:43:00,884 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:43:00,887 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:43:00" (1/1) ... [2024-11-14 02:43:00,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:43:00,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116cead-91cd-41da-a8a4-30740b3ce2f0/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:43:00,927 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116cead-91cd-41da-a8a4-30740b3ce2f0/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:43:00,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116cead-91cd-41da-a8a4-30740b3ce2f0/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:43:00,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:43:00,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 02:43:00,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:43:00,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:43:01,572 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:43:01,574 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:43:05,743 INFO L? ?]: Removed 142 outVars from TransFormulas that were not future-live. [2024-11-14 02:43:05,743 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:43:05,752 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:43:05,752 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 02:43:05,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:43:05 BoogieIcfgContainer [2024-11-14 02:43:05,753 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:43:05,756 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:43:05,756 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:43:05,761 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:43:05,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:42:59" (1/3) ... [2024-11-14 02:43:05,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71937cac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:43:05, skipping insertion in model container [2024-11-14 02:43:05,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:43:00" (2/3) ... [2024-11-14 02:43:05,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71937cac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:43:05, skipping insertion in model container [2024-11-14 02:43:05,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:43:05" (3/3) ... [2024-11-14 02:43:05,765 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.lann.4.prop1-func-interl.c [2024-11-14 02:43:05,781 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:43:05,783 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.lann.4.prop1-func-interl.c that has 1 procedures, 10 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 02:43:05,838 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:43:05,854 INFO L333 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, 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;@2425e71f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:43:05,855 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 02:43:05,860 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 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) [2024-11-14 02:43:05,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-14 02:43:05,866 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:43:05,867 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-14 02:43:05,868 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:43:05,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:43:05,872 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-14 02:43:05,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:43:05,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1631383083] [2024-11-14 02:43:05,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:43:05,883 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 [2024-11-14 02:43:05,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116cead-91cd-41da-a8a4-30740b3ce2f0/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:43:05,885 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116cead-91cd-41da-a8a4-30740b3ce2f0/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 02:43:05,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116cead-91cd-41da-a8a4-30740b3ce2f0/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 02:43:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:43:06,661 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-14 02:43:06,693 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:43:07,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 02:43:07,352 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:43:07,352 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:43:07,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1631383083] [2024-11-14 02:43:07,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1631383083] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:43:07,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:43:07,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 02:43:07,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896645782] [2024-11-14 02:43:07,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:43:07,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 02:43:07,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:43:07,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 02:43:07,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 02:43:07,385 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:43:07,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:43:07,809 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-14 02:43:07,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 02:43:07,811 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-14 02:43:07,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:43:07,821 INFO L225 Difference]: With dead ends: 18 [2024-11-14 02:43:07,821 INFO L226 Difference]: Without dead ends: 10 [2024-11-14 02:43:07,824 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 02:43:07,830 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 02:43:07,832 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 02:43:07,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-14 02:43:07,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-14 02:43:07,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:43:07,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-14 02:43:07,869 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-14 02:43:07,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:43:07,869 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-14 02:43:07,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:43:07,871 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-14 02:43:07,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-14 02:43:07,872 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:43:07,872 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-14 02:43:07,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116cead-91cd-41da-a8a4-30740b3ce2f0/bin/utaipan-verify-sOmjnqqW8E/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)] Ended with exit code 0 [2024-11-14 02:43:08,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116cead-91cd-41da-a8a4-30740b3ce2f0/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 02:43:08,073 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:43:08,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:43:08,073 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-14 02:43:08,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:43:08,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1800782084] [2024-11-14 02:43:08,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:43:08,076 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 [2024-11-14 02:43:08,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116cead-91cd-41da-a8a4-30740b3ce2f0/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:43:08,082 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116cead-91cd-41da-a8a4-30740b3ce2f0/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 02:43:08,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7116cead-91cd-41da-a8a4-30740b3ce2f0/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 02:43:09,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:43:09,393 INFO L255 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-14 02:43:09,429 INFO L278 TraceCheckSpWp]: Computing forward predicates...