./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Heap.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_cf07fe08-d504-4f72-83aa-08842f261063/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf07fe08-d504-4f72-83aa-08842f261063/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_cf07fe08-d504-4f72-83aa-08842f261063/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf07fe08-d504-4f72-83aa-08842f261063/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Heap.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf07fe08-d504-4f72-83aa-08842f261063/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_cf07fe08-d504-4f72-83aa-08842f261063/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 60dab3e2339bce2b045dd3b78258045145cb10b71bd20a1415e48f1177a4dd2d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:42:02,583 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:42:02,689 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf07fe08-d504-4f72-83aa-08842f261063/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 02:42:02,694 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:42:02,694 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:42:02,737 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:42:02,738 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:42:02,739 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:42:02,739 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:42:02,740 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:42:02,741 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:42:02,741 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:42:02,741 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:42:02,742 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 02:42:02,742 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:42:02,742 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:42:02,742 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 02:42:02,742 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 02:42:02,742 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:42:02,742 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 02:42:02,742 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 02:42:02,743 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 02:42:02,744 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:42:02,744 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 02:42:02,744 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 02:42:02,745 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:42:02,745 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 02:42:02,745 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:42:02,745 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 02:42:02,745 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:42:02,745 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 02:42:02,745 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:42:02,746 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:42:02,746 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:42:02,746 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:42:02,746 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:42:02,746 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:42:02,747 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:42:02,747 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 02:42:02,747 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 02:42:02,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 02:42:02,748 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:42:02,748 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:42:02,748 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 02:42:02,748 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_cf07fe08-d504-4f72-83aa-08842f261063/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 -> 60dab3e2339bce2b045dd3b78258045145cb10b71bd20a1415e48f1177a4dd2d [2024-11-14 02:42:03,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:42:03,096 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:42:03,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:42:03,100 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:42:03,100 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:42:03,102 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf07fe08-d504-4f72-83aa-08842f261063/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Heap.c Unable to find full path for "g++" [2024-11-14 02:42:05,088 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:42:05,665 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:42:05,665 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf07fe08-d504-4f72-83aa-08842f261063/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Heap.c [2024-11-14 02:42:05,704 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf07fe08-d504-4f72-83aa-08842f261063/bin/utaipan-verify-sOmjnqqW8E/data/65754d874/145d084b39284e4e92b610585a278eef/FLAGa620f5b77 [2024-11-14 02:42:05,725 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf07fe08-d504-4f72-83aa-08842f261063/bin/utaipan-verify-sOmjnqqW8E/data/65754d874/145d084b39284e4e92b610585a278eef [2024-11-14 02:42:05,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:42:05,730 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:42:05,733 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:42:05,733 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:42:05,738 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:42:05,739 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:42:05" (1/1) ... [2024-11-14 02:42:05,740 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8b7a1ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:05, skipping insertion in model container [2024-11-14 02:42:05,742 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:42:05" (1/1) ... [2024-11-14 02:42:05,836 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:42:06,072 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_cf07fe08-d504-4f72-83aa-08842f261063/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Heap.c[1244,1257] [2024-11-14 02:42:06,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:42:06,591 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:42:06,603 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_cf07fe08-d504-4f72-83aa-08842f261063/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Heap.c[1244,1257] [2024-11-14 02:42:06,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:42:06,907 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:42:06,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:06 WrapperNode [2024-11-14 02:42:06,908 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:42:06,910 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:42:06,910 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:42:06,910 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:42:06,917 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 02:42:06,999 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 02:42:07,580 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4789 [2024-11-14 02:42:07,582 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:42:07,582 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:42:07,583 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:42:07,583 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:42:07,591 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 02:42:07,592 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 02:42:07,743 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 02:42:07,744 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 02:42:07,893 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 02:42:07,929 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 02:42:07,993 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 02:42:08,022 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 02:42:08,138 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:42:08,140 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:42:08,141 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:42:08,141 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:42:08,142 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 02:42:08,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:42:08,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf07fe08-d504-4f72-83aa-08842f261063/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:42:08,185 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf07fe08-d504-4f72-83aa-08842f261063/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:42:08,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf07fe08-d504-4f72-83aa-08842f261063/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:42:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:42:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 02:42:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:42:08,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:42:09,100 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:42:09,103 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:42:15,426 INFO L? ?]: Removed 3293 outVars from TransFormulas that were not future-live. [2024-11-14 02:42:15,427 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:42:21,370 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:42:21,371 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 02:42:21,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:42:21 BoogieIcfgContainer [2024-11-14 02:42:21,372 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:42:21,374 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:42:21,374 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:42:21,379 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:42:21,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:42:05" (1/3) ... [2024-11-14 02:42:21,380 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33c63f39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:42:21, skipping insertion in model container [2024-11-14 02:42:21,380 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 02:42:21,382 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33c63f39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:42:21, skipping insertion in model container [2024-11-14 02:42:21,383 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:42:21" (3/3) ... [2024-11-14 02:42:21,386 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.Heap.c [2024-11-14 02:42:21,403 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:42:21,405 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.Heap.c that has 1 procedures, 7 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 02:42:21,470 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:42:21,486 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;@21fb39fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:42:21,487 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 02:42:21,491 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 02:42:21,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-14 02:42:21,498 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:21,499 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-14 02:42:21,500 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:42:21,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:21,506 INFO L85 PathProgramCache]: Analyzing trace with hash 123094035, now seen corresponding path program 1 times [2024-11-14 02:42:21,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:21,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434055114] [2024-11-14 02:42:21,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:21,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:42:21,978 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 02:42:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:42:22,385 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 02:42:22,387 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 02:42:22,389 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 02:42:22,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 02:42:22,397 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 02:42:22,454 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 02:42:22,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 02:42:22 BoogieIcfgContainer [2024-11-14 02:42:22,462 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 02:42:22,463 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 02:42:22,463 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 02:42:22,464 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 02:42:22,464 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:42:21" (3/4) ... [2024-11-14 02:42:22,470 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 02:42:22,471 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 02:42:22,475 INFO L158 Benchmark]: Toolchain (without parser) took 16742.54ms. Allocated memory was 117.4MB in the beginning and 1.1GB in the end (delta: 956.3MB). Free memory was 87.8MB in the beginning and 768.5MB in the end (delta: -680.7MB). Peak memory consumption was 271.5MB. Max. memory is 16.1GB. [2024-11-14 02:42:22,476 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:42:22,476 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1176.27ms. Allocated memory is still 117.4MB. Free memory was 87.6MB in the beginning and 37.4MB in the end (delta: 50.2MB). Peak memory consumption was 74.6MB. Max. memory is 16.1GB. [2024-11-14 02:42:22,477 INFO L158 Benchmark]: Boogie Procedure Inliner took 671.77ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 37.4MB in the beginning and 139.4MB in the end (delta: -102.0MB). Peak memory consumption was 74.2MB. Max. memory is 16.1GB. [2024-11-14 02:42:22,477 INFO L158 Benchmark]: Boogie Preprocessor took 556.37ms. Allocated memory is still 251.7MB. Free memory was 139.4MB in the beginning and 114.2MB in the end (delta: 25.2MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. [2024-11-14 02:42:22,478 INFO L158 Benchmark]: RCFGBuilder took 13231.44ms. Allocated memory was 251.7MB in the beginning and 1.1GB in the end (delta: 822.1MB). Free memory was 114.2MB in the beginning and 844.0MB in the end (delta: -729.8MB). Peak memory consumption was 673.2MB. Max. memory is 16.1GB. [2024-11-14 02:42:22,480 INFO L158 Benchmark]: TraceAbstraction took 1088.26ms. Allocated memory is still 1.1GB. Free memory was 844.0MB in the beginning and 768.5MB in the end (delta: 75.5MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2024-11-14 02:42:22,481 INFO L158 Benchmark]: Witness Printer took 8.30ms. Allocated memory is still 1.1GB. Free memory is still 768.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:42:22,483 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1176.27ms. Allocated memory is still 117.4MB. Free memory was 87.6MB in the beginning and 37.4MB in the end (delta: 50.2MB). Peak memory consumption was 74.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 671.77ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 37.4MB in the beginning and 139.4MB in the end (delta: -102.0MB). Peak memory consumption was 74.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 556.37ms. Allocated memory is still 251.7MB. Free memory was 139.4MB in the beginning and 114.2MB in the end (delta: 25.2MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. * RCFGBuilder took 13231.44ms. Allocated memory was 251.7MB in the beginning and 1.1GB in the end (delta: 822.1MB). Free memory was 114.2MB in the beginning and 844.0MB in the end (delta: -729.8MB). Peak memory consumption was 673.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1088.26ms. Allocated memory is still 1.1GB. Free memory was 844.0MB in the beginning and 768.5MB in the end (delta: 75.5MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. * Witness Printer took 8.30ms. Allocated memory is still 1.1GB. Free memory is still 768.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 350, overapproximation of bitwiseAnd at line 174, overapproximation of bitwiseAnd at line 212. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 2); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (2 - 1); [L32] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 32); [L33] const SORT_9 msb_SORT_9 = (SORT_9)1 << (32 - 1); [L35] const SORT_13 mask_SORT_13 = (SORT_13)-1 >> (sizeof(SORT_13) * 8 - 3); [L36] const SORT_13 msb_SORT_13 = (SORT_13)1 << (3 - 1); [L38] const SORT_55 mask_SORT_55 = (SORT_55)-1 >> (sizeof(SORT_55) * 8 - 29); [L39] const SORT_55 msb_SORT_55 = (SORT_55)1 << (29 - 1); [L41] const SORT_1 var_6 = 0; [L42] const SORT_9 var_11 = 0; [L43] const SORT_13 var_14 = 0; [L44] const SORT_1 var_27 = 1; [L45] const SORT_9 var_35 = 4; [L46] const SORT_3 var_38 = 0; [L47] const SORT_55 var_56 = 0; [L48] const SORT_9 var_60 = 1; [L49] const SORT_3 var_82 = 2; [L50] const SORT_3 var_87 = 3; [L51] const SORT_13 var_93 = 1; [L52] const SORT_13 var_96 = 3; [L53] const SORT_13 var_99 = 2; [L54] const SORT_13 var_103 = 5; [L55] const SORT_3 var_109 = 1; [L56] const SORT_13 var_117 = 7; [L57] const SORT_13 var_126 = 6; [L58] const SORT_13 var_130 = 4; [L60] SORT_1 input_2; [L61] SORT_3 input_4; [L62] SORT_3 input_5; [L63] SORT_1 input_81; [L64] SORT_1 input_106; [L65] SORT_3 input_107; [L66] SORT_13 input_137; [L67] SORT_13 input_138; [L68] SORT_13 input_139; [L69] SORT_13 input_150; [L70] SORT_13 input_151; [L71] SORT_3 input_191; [L72] SORT_3 input_192; [L73] SORT_3 input_193; [L74] SORT_3 input_199; [L75] SORT_3 input_200; [L76] SORT_3 input_201; [L77] SORT_3 input_202; [L78] SORT_3 input_203; [L79] SORT_3 input_251; [L80] SORT_3 input_263; [L81] SORT_3 input_281; [L82] SORT_3 input_282; [L83] SORT_3 input_290; [L84] SORT_3 input_316; [L85] SORT_3 input_341; [L86] SORT_3 input_342; [L87] SORT_3 input_343; [L88] SORT_3 input_360; [L89] SORT_3 input_361; [L90] SORT_3 input_369; [L91] SORT_3 input_377; [L92] SORT_3 input_378; [L93] SORT_3 input_397; [L94] SORT_3 input_398; [L95] SORT_3 input_399; [L96] SORT_3 input_407; [L97] SORT_3 input_414; [L98] SORT_3 input_425; [L99] SORT_3 input_426; [L100] SORT_3 input_435; [L101] SORT_3 input_440; [L102] SORT_3 input_444; [L103] SORT_3 input_445; [L104] SORT_3 input_474; [L105] SORT_3 input_475; [L106] SORT_3 input_483; [L107] SORT_3 input_487; [L108] SORT_3 input_488; [L109] SORT_3 input_507; [L110] SORT_3 input_508; [L111] SORT_3 input_509; [L112] SORT_3 input_517; [L113] SORT_3 input_519; [L114] SORT_3 input_523; [L115] SORT_3 input_524; [L116] SORT_3 input_533; [L117] SORT_3 input_538; [L118] SORT_3 input_542; [L119] SORT_3 input_543; [L120] SORT_3 input_572; [L121] SORT_3 input_573; [L122] SORT_3 input_581; [L123] SORT_3 input_585; [L124] SORT_3 input_586; [L125] SORT_3 input_605; [L126] SORT_3 input_606; [L127] SORT_3 input_607; [L128] SORT_3 input_615; [L129] SORT_3 input_617; [L130] SORT_3 input_621; [L131] SORT_3 input_622; [L132] SORT_3 input_631; [L133] SORT_3 input_636; [L134] SORT_3 input_640; [L135] SORT_3 input_641; [L136] SORT_3 input_670; [L137] SORT_3 input_671; [L138] SORT_3 input_679; [L139] SORT_3 input_683; [L140] SORT_3 input_684; [L141] SORT_3 input_703; [L142] SORT_3 input_704; [L143] SORT_3 input_705; [L144] SORT_3 input_713; [L145] SORT_3 input_715; [L146] SORT_3 input_719; [L147] SORT_3 input_720; [L148] SORT_3 input_729; [L149] SORT_3 input_734; [L150] SORT_3 input_738; [L151] SORT_3 input_739; [L152] SORT_13 input_766; [L153] SORT_13 input_767; [L154] SORT_13 input_768; [L155] SORT_13 input_774; [L156] SORT_13 input_775; [L157] SORT_13 input_792; [L158] SORT_13 input_803; [L159] SORT_13 input_804; [L160] SORT_13 input_806; [L161] SORT_13 input_815; [L162] SORT_13 input_833; [L163] SORT_13 input_834; [L164] SORT_13 input_835; [L165] SORT_13 input_841; [L166] SORT_13 input_842; [L167] SORT_13 input_859; [L168] SORT_13 input_868; [L169] SORT_13 input_869; [L170] SORT_13 input_871; [L171] SORT_13 input_880; [L172] SORT_13 input_884; [L174] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L174] SORT_1 state_7 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L175] EXPR __VERIFIER_nondet_uchar() & mask_SORT_13 [L175] SORT_13 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_13; [L176] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L176] SORT_3 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L177] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L177] SORT_3 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L178] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L178] SORT_3 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L179] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L179] SORT_3 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L180] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L180] SORT_3 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L181] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L181] SORT_3 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L182] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L182] SORT_3 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L183] EXPR __VERIFIER_nondet_uchar() & mask_SORT_13 [L183] SORT_13 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_13; [L184] EXPR __VERIFIER_nondet_uchar() & mask_SORT_13 [L184] SORT_13 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_13; [L186] SORT_1 init_8_arg_1 = var_6; [L187] state_7 = init_8_arg_1 [L188] SORT_13 init_16_arg_1 = var_14; [L189] state_15 = init_16_arg_1 [L190] SORT_3 init_40_arg_1 = var_38; [L191] state_39 = init_40_arg_1 [L192] SORT_3 init_42_arg_1 = var_38; [L193] state_41 = init_42_arg_1 [L194] SORT_3 init_44_arg_1 = var_38; [L195] state_43 = init_44_arg_1 [L196] SORT_3 init_46_arg_1 = var_38; [L197] state_45 = init_46_arg_1 [L198] SORT_3 init_48_arg_1 = var_38; [L199] state_47 = init_48_arg_1 [L200] SORT_3 init_50_arg_1 = var_38; [L201] state_49 = init_50_arg_1 [L202] SORT_3 init_52_arg_1 = var_38; [L203] state_51 = init_52_arg_1 [L204] SORT_13 init_54_arg_1 = var_14; [L205] state_53 = init_54_arg_1 [L206] SORT_13 init_76_arg_1 = var_14; [L207] state_75 = init_76_arg_1 VAL [mask_SORT_13=7, mask_SORT_1=1, mask_SORT_3=3, state_15=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_75=0, state_7=0, var_103=5, var_109=1, var_117=7, var_11=0, var_126=6, var_130=4, var_14=0, var_27=1, var_35=4, var_38=0, var_56=0, var_60=1, var_6=0, var_82=2, var_87=3, var_93=1, var_96=3, var_99=2] [L210] input_2 = __VERIFIER_nondet_uchar() [L211] input_4 = __VERIFIER_nondet_uchar() [L212] EXPR input_4 & mask_SORT_3 [L212] input_4 = input_4 & mask_SORT_3 [L213] input_5 = __VERIFIER_nondet_uchar() [L214] input_81 = __VERIFIER_nondet_uchar() [L215] input_106 = __VERIFIER_nondet_uchar() [L216] input_107 = __VERIFIER_nondet_uchar() [L217] input_137 = __VERIFIER_nondet_uchar() [L218] input_138 = __VERIFIER_nondet_uchar() [L219] input_139 = __VERIFIER_nondet_uchar() [L220] input_150 = __VERIFIER_nondet_uchar() [L221] input_151 = __VERIFIER_nondet_uchar() [L222] input_191 = __VERIFIER_nondet_uchar() [L223] input_192 = __VERIFIER_nondet_uchar() [L224] input_193 = __VERIFIER_nondet_uchar() [L225] input_199 = __VERIFIER_nondet_uchar() [L226] input_200 = __VERIFIER_nondet_uchar() [L227] input_201 = __VERIFIER_nondet_uchar() [L228] input_202 = __VERIFIER_nondet_uchar() [L229] input_203 = __VERIFIER_nondet_uchar() [L230] input_251 = __VERIFIER_nondet_uchar() [L231] input_263 = __VERIFIER_nondet_uchar() [L232] input_281 = __VERIFIER_nondet_uchar() [L233] input_282 = __VERIFIER_nondet_uchar() [L234] input_290 = __VERIFIER_nondet_uchar() [L235] input_316 = __VERIFIER_nondet_uchar() [L236] input_341 = __VERIFIER_nondet_uchar() [L237] input_342 = __VERIFIER_nondet_uchar() [L238] input_343 = __VERIFIER_nondet_uchar() [L239] input_360 = __VERIFIER_nondet_uchar() [L240] input_361 = __VERIFIER_nondet_uchar() [L241] input_369 = __VERIFIER_nondet_uchar() [L242] input_377 = __VERIFIER_nondet_uchar() [L243] input_378 = __VERIFIER_nondet_uchar() [L244] input_397 = __VERIFIER_nondet_uchar() [L245] input_398 = __VERIFIER_nondet_uchar() [L246] input_399 = __VERIFIER_nondet_uchar() [L247] input_407 = __VERIFIER_nondet_uchar() [L248] input_414 = __VERIFIER_nondet_uchar() [L249] input_425 = __VERIFIER_nondet_uchar() [L250] input_426 = __VERIFIER_nondet_uchar() [L251] input_435 = __VERIFIER_nondet_uchar() [L252] input_440 = __VERIFIER_nondet_uchar() [L253] input_444 = __VERIFIER_nondet_uchar() [L254] input_445 = __VERIFIER_nondet_uchar() [L255] input_474 = __VERIFIER_nondet_uchar() [L256] input_475 = __VERIFIER_nondet_uchar() [L257] input_483 = __VERIFIER_nondet_uchar() [L258] input_487 = __VERIFIER_nondet_uchar() [L259] input_488 = __VERIFIER_nondet_uchar() [L260] input_507 = __VERIFIER_nondet_uchar() [L261] input_508 = __VERIFIER_nondet_uchar() [L262] input_509 = __VERIFIER_nondet_uchar() [L263] input_517 = __VERIFIER_nondet_uchar() [L264] input_519 = __VERIFIER_nondet_uchar() [L265] input_523 = __VERIFIER_nondet_uchar() [L266] input_524 = __VERIFIER_nondet_uchar() [L267] input_533 = __VERIFIER_nondet_uchar() [L268] input_538 = __VERIFIER_nondet_uchar() [L269] input_542 = __VERIFIER_nondet_uchar() [L270] input_543 = __VERIFIER_nondet_uchar() [L271] input_572 = __VERIFIER_nondet_uchar() [L272] input_573 = __VERIFIER_nondet_uchar() [L273] input_581 = __VERIFIER_nondet_uchar() [L274] input_585 = __VERIFIER_nondet_uchar() [L275] input_586 = __VERIFIER_nondet_uchar() [L276] input_605 = __VERIFIER_nondet_uchar() [L277] input_606 = __VERIFIER_nondet_uchar() [L278] input_607 = __VERIFIER_nondet_uchar() [L279] input_615 = __VERIFIER_nondet_uchar() [L280] input_617 = __VERIFIER_nondet_uchar() [L281] input_621 = __VERIFIER_nondet_uchar() [L282] input_622 = __VERIFIER_nondet_uchar() [L283] input_631 = __VERIFIER_nondet_uchar() [L284] input_636 = __VERIFIER_nondet_uchar() [L285] input_640 = __VERIFIER_nondet_uchar() [L286] input_641 = __VERIFIER_nondet_uchar() [L287] input_670 = __VERIFIER_nondet_uchar() [L288] input_671 = __VERIFIER_nondet_uchar() [L289] input_679 = __VERIFIER_nondet_uchar() [L290] input_683 = __VERIFIER_nondet_uchar() [L291] input_684 = __VERIFIER_nondet_uchar() [L292] input_703 = __VERIFIER_nondet_uchar() [L293] input_704 = __VERIFIER_nondet_uchar() [L294] input_705 = __VERIFIER_nondet_uchar() [L295] input_713 = __VERIFIER_nondet_uchar() [L296] input_715 = __VERIFIER_nondet_uchar() [L297] input_719 = __VERIFIER_nondet_uchar() [L298] input_720 = __VERIFIER_nondet_uchar() [L299] input_729 = __VERIFIER_nondet_uchar() [L300] input_734 = __VERIFIER_nondet_uchar() [L301] input_738 = __VERIFIER_nondet_uchar() [L302] input_739 = __VERIFIER_nondet_uchar() [L303] input_766 = __VERIFIER_nondet_uchar() [L304] input_767 = __VERIFIER_nondet_uchar() [L305] input_768 = __VERIFIER_nondet_uchar() [L306] input_774 = __VERIFIER_nondet_uchar() [L307] input_775 = __VERIFIER_nondet_uchar() [L308] input_792 = __VERIFIER_nondet_uchar() [L309] input_803 = __VERIFIER_nondet_uchar() [L310] input_804 = __VERIFIER_nondet_uchar() [L311] input_806 = __VERIFIER_nondet_uchar() [L312] input_815 = __VERIFIER_nondet_uchar() [L313] input_833 = __VERIFIER_nondet_uchar() [L314] input_834 = __VERIFIER_nondet_uchar() [L315] input_835 = __VERIFIER_nondet_uchar() [L316] input_841 = __VERIFIER_nondet_uchar() [L317] input_842 = __VERIFIER_nondet_uchar() [L318] input_859 = __VERIFIER_nondet_uchar() [L319] input_868 = __VERIFIER_nondet_uchar() [L320] input_869 = __VERIFIER_nondet_uchar() [L321] input_871 = __VERIFIER_nondet_uchar() [L322] input_880 = __VERIFIER_nondet_uchar() [L323] input_884 = __VERIFIER_nondet_uchar() [L326] SORT_1 var_10_arg_0 = state_7; [L327] EXPR var_10_arg_0 & mask_SORT_1 [L327] var_10_arg_0 = var_10_arg_0 & mask_SORT_1 [L328] SORT_9 var_10 = var_10_arg_0; [L329] SORT_9 var_12_arg_0 = var_10; [L330] SORT_9 var_12_arg_1 = var_11; [L331] SORT_1 var_12 = var_12_arg_0 == var_12_arg_1; [L332] SORT_13 var_17_arg_0 = state_15; [L333] SORT_1 var_17 = var_17_arg_0 >> 2; [L334] SORT_1 var_18_arg_0 = var_17; [L335] EXPR var_18_arg_0 & mask_SORT_1 [L335] var_18_arg_0 = var_18_arg_0 & mask_SORT_1 [L336] SORT_9 var_18 = var_18_arg_0; [L337] SORT_9 var_19_arg_0 = var_18; [L338] SORT_9 var_19_arg_1 = var_11; [L339] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L340] SORT_13 var_20_arg_0 = state_15; [L341] SORT_3 var_20 = var_20_arg_0 >> 0; [L342] SORT_3 var_21_arg_0 = var_20; [L343] EXPR var_21_arg_0 & mask_SORT_3 [L343] var_21_arg_0 = var_21_arg_0 & mask_SORT_3 [L344] SORT_9 var_21 = var_21_arg_0; [L345] SORT_9 var_22_arg_0 = var_21; [L346] SORT_9 var_22_arg_1 = var_11; [L347] SORT_1 var_22 = var_22_arg_0 == var_22_arg_1; [L348] SORT_1 var_23_arg_0 = var_19; [L349] SORT_1 var_23_arg_1 = var_22; [L350] EXPR var_23_arg_0 | var_23_arg_1 [L350] SORT_1 var_23 = var_23_arg_0 | var_23_arg_1; [L351] SORT_1 var_24_arg_0 = var_12; [L352] SORT_1 var_24_arg_1 = var_23; [L353] EXPR var_24_arg_0 & var_24_arg_1 [L353] SORT_1 var_24 = var_24_arg_0 & var_24_arg_1; [L354] SORT_1 var_28_arg_0 = var_24; [L355] SORT_1 var_28 = ~var_28_arg_0; [L356] SORT_1 var_29_arg_0 = var_27; [L357] SORT_1 var_29_arg_1 = var_28; [L358] EXPR var_29_arg_0 & var_29_arg_1 [L358] SORT_1 var_29 = var_29_arg_0 & var_29_arg_1; [L359] EXPR var_29 & mask_SORT_1 [L359] var_29 = var_29 & mask_SORT_1 [L360] SORT_1 bad_30_arg_0 = var_29; [L361] CALL __VERIFIER_assert(!(bad_30_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: 1.0s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s 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 02:42:22,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf07fe08-d504-4f72-83aa-08842f261063/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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_cf07fe08-d504-4f72-83aa-08842f261063/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf07fe08-d504-4f72-83aa-08842f261063/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_cf07fe08-d504-4f72-83aa-08842f261063/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf07fe08-d504-4f72-83aa-08842f261063/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Heap.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf07fe08-d504-4f72-83aa-08842f261063/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_cf07fe08-d504-4f72-83aa-08842f261063/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 60dab3e2339bce2b045dd3b78258045145cb10b71bd20a1415e48f1177a4dd2d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:42:25,918 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:42:26,090 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf07fe08-d504-4f72-83aa-08842f261063/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-14 02:42:26,098 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:42:26,098 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:42:26,128 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:42:26,128 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:42:26,129 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:42:26,129 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:42:26,129 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:42:26,129 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:42:26,129 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:42:26,130 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:42:26,130 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:42:26,130 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:42:26,130 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:42:26,131 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:42:26,131 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 02:42:26,131 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:42:26,131 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 02:42:26,131 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:42:26,131 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 02:42:26,131 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 02:42:26,132 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 02:42:26,132 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:42:26,132 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 02:42:26,132 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 02:42:26,132 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:42:26,132 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:42:26,132 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 02:42:26,133 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:42:26,133 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:42:26,133 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:42:26,133 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:42:26,133 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:42:26,133 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 02:42:26,133 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 02:42:26,133 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 02:42:26,134 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:42:26,134 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:42:26,134 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_cf07fe08-d504-4f72-83aa-08842f261063/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 -> 60dab3e2339bce2b045dd3b78258045145cb10b71bd20a1415e48f1177a4dd2d [2024-11-14 02:42:26,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:42:26,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:42:26,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:42:26,590 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:42:26,590 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:42:26,592 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf07fe08-d504-4f72-83aa-08842f261063/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Heap.c Unable to find full path for "g++" [2024-11-14 02:42:29,005 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:42:29,613 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:42:29,614 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf07fe08-d504-4f72-83aa-08842f261063/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Heap.c [2024-11-14 02:42:29,657 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf07fe08-d504-4f72-83aa-08842f261063/bin/utaipan-verify-sOmjnqqW8E/data/62027239b/a3409e30b34e420c87309a007fa3727b/FLAGaddb8e20d [2024-11-14 02:42:29,688 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf07fe08-d504-4f72-83aa-08842f261063/bin/utaipan-verify-sOmjnqqW8E/data/62027239b/a3409e30b34e420c87309a007fa3727b [2024-11-14 02:42:29,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:42:29,693 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:42:29,697 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:42:29,697 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:42:29,702 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:42:29,704 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:42:29" (1/1) ... [2024-11-14 02:42:29,707 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57e62410 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:29, skipping insertion in model container [2024-11-14 02:42:29,707 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:42:29" (1/1) ... [2024-11-14 02:42:29,836 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:42:30,151 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_cf07fe08-d504-4f72-83aa-08842f261063/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Heap.c[1244,1257] [2024-11-14 02:42:30,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:42:30,774 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:42:30,788 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_cf07fe08-d504-4f72-83aa-08842f261063/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Heap.c[1244,1257] [2024-11-14 02:42:31,075 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:42:31,095 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:42:31,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:31 WrapperNode [2024-11-14 02:42:31,096 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:42:31,098 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:42:31,098 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:42:31,099 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:42:31,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:31" (1/1) ... [2024-11-14 02:42:31,190 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:31" (1/1) ... [2024-11-14 02:42:31,410 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3109 [2024-11-14 02:42:31,410 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:42:31,411 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:42:31,415 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:42:31,416 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:42:31,433 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:31" (1/1) ... [2024-11-14 02:42:31,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:31" (1/1) ... [2024-11-14 02:42:31,495 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:31" (1/1) ... [2024-11-14 02:42:31,495 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:31" (1/1) ... [2024-11-14 02:42:31,640 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:31" (1/1) ... [2024-11-14 02:42:31,657 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:31" (1/1) ... [2024-11-14 02:42:31,679 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:31" (1/1) ... [2024-11-14 02:42:31,701 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:31" (1/1) ... [2024-11-14 02:42:31,740 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:42:31,741 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:42:31,742 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:42:31,743 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:42:31,744 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:31" (1/1) ... [2024-11-14 02:42:31,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:42:31,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf07fe08-d504-4f72-83aa-08842f261063/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:42:31,794 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf07fe08-d504-4f72-83aa-08842f261063/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:42:31,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf07fe08-d504-4f72-83aa-08842f261063/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:42:31,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:42:31,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 02:42:31,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:42:31,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:42:32,742 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:42:32,745 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:42:35,973 INFO L? ?]: Removed 166 outVars from TransFormulas that were not future-live. [2024-11-14 02:42:35,973 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:42:35,986 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:42:35,986 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 02:42:35,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:42:35 BoogieIcfgContainer [2024-11-14 02:42:35,987 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:42:35,991 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:42:35,992 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:42:35,999 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:42:36,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:42:29" (1/3) ... [2024-11-14 02:42:36,001 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c787886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:42:36, skipping insertion in model container [2024-11-14 02:42:36,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:31" (2/3) ... [2024-11-14 02:42:36,002 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c787886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:42:36, skipping insertion in model container [2024-11-14 02:42:36,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:42:35" (3/3) ... [2024-11-14 02:42:36,005 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.Heap.c [2024-11-14 02:42:36,026 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:42:36,028 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.Heap.c that has 1 procedures, 10 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 02:42:36,105 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:42:36,128 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;@6d75735c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:42:36,128 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 02:42:36,133 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 02:42:36,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-14 02:42:36,141 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:36,143 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-14 02:42:36,143 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:42:36,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:36,150 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-14 02:42:36,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:42:36,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1098825541] [2024-11-14 02:42:36,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:36,171 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 02:42:36,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf07fe08-d504-4f72-83aa-08842f261063/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:42:36,176 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf07fe08-d504-4f72-83aa-08842f261063/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 02:42:36,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf07fe08-d504-4f72-83aa-08842f261063/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 02:42:37,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:37,114 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-14 02:42:37,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:42:37,531 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 02:42:37,534 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:42:37,535 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:42:37,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1098825541] [2024-11-14 02:42:37,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1098825541] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:42:37,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:42:37,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 02:42:37,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132490640] [2024-11-14 02:42:37,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:42:37,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 02:42:37,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:42:37,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 02:42:37,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 02:42:37,582 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 02:42:37,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:37,739 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-14 02:42:37,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 02:42:37,742 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 02:42:37,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:37,750 INFO L225 Difference]: With dead ends: 18 [2024-11-14 02:42:37,751 INFO L226 Difference]: Without dead ends: 10 [2024-11-14 02:42:37,754 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 02:42:37,758 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:37,759 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 02:42:37,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-14 02:42:37,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-14 02:42:37,795 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 02:42:37,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-14 02:42:37,804 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-14 02:42:37,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:37,804 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-14 02:42:37,804 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 02:42:37,804 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-14 02:42:37,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-14 02:42:37,805 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:37,806 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-14 02:42:37,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf07fe08-d504-4f72-83aa-08842f261063/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)] Forceful destruction successful, exit code 0 [2024-11-14 02:42:38,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf07fe08-d504-4f72-83aa-08842f261063/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 02:42:38,011 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:42:38,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:38,012 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-14 02:42:38,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:42:38,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [864382934] [2024-11-14 02:42:38,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:38,014 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 02:42:38,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf07fe08-d504-4f72-83aa-08842f261063/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:42:38,018 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf07fe08-d504-4f72-83aa-08842f261063/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 02:42:38,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf07fe08-d504-4f72-83aa-08842f261063/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 02:42:39,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:39,310 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-11-14 02:42:39,345 INFO L278 TraceCheckSpWp]: Computing forward predicates...