./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_two.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_c6378dba-681f-4078-86e7-ecc1ae9757e8/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/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_c6378dba-681f-4078-86e7-ecc1ae9757e8/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_two.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/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_c6378dba-681f-4078-86e7-ecc1ae9757e8/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 56b29f9d5660210a85c24688e6471450833c85f52fe4e28968dbf3dd7aaa100e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:38:46,806 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:38:46,916 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 05:38:46,924 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:38:46,924 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:38:46,952 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:38:46,953 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:38:46,953 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:38:46,954 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:38:46,954 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:38:46,954 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:38:46,954 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:38:46,954 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:38:46,955 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:38:46,955 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:38:46,955 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:38:46,955 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:38:46,955 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:38:46,956 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:38:46,956 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:38:46,956 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:38:46,956 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:38:46,957 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:38:46,957 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:38:46,957 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:38:46,957 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:38:46,958 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:38:46,958 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:38:46,958 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:38:46,958 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:38:46,958 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:38:46,959 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:38:46,959 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:38:46,959 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:38:46,959 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:38:46,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:38:46,960 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:38:46,960 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:38:46,960 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:38:46,960 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:38:46,960 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:38:46,960 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:38:46,961 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:38:46,961 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:38:46,961 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_c6378dba-681f-4078-86e7-ecc1ae9757e8/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 -> 56b29f9d5660210a85c24688e6471450833c85f52fe4e28968dbf3dd7aaa100e [2024-11-14 05:38:47,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:38:47,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:38:47,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:38:47,358 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:38:47,359 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:38:47,361 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_two.c Unable to find full path for "g++" [2024-11-14 05:38:49,428 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:38:49,954 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:38:49,954 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_two.c [2024-11-14 05:38:49,980 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/bin/utaipan-verify-sOmjnqqW8E/data/70bd0f2ea/ef6e2c5d8e5248529c555a5a67035709/FLAG60a471ce0 [2024-11-14 05:38:50,007 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/bin/utaipan-verify-sOmjnqqW8E/data/70bd0f2ea/ef6e2c5d8e5248529c555a5a67035709 [2024-11-14 05:38:50,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:38:50,012 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:38:50,013 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:38:50,014 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:38:50,021 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:38:50,022 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:38:50" (1/1) ... [2024-11-14 05:38:50,023 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@542b955c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:50, skipping insertion in model container [2024-11-14 05:38:50,023 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:38:50" (1/1) ... [2024-11-14 05:38:50,103 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:38:50,343 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_c6378dba-681f-4078-86e7-ecc1ae9757e8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_two.c[1259,1272] [2024-11-14 05:38:50,840 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:38:50,852 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:38:50,861 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_c6378dba-681f-4078-86e7-ecc1ae9757e8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_two.c[1259,1272] [2024-11-14 05:38:51,194 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:38:51,216 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:38:51,217 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:51 WrapperNode [2024-11-14 05:38:51,217 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:38:51,218 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:38:51,218 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:38:51,218 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:38:51,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:51" (1/1) ... [2024-11-14 05:38:51,293 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:51" (1/1) ... [2024-11-14 05:38:51,789 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3827 [2024-11-14 05:38:51,790 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:38:51,790 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:38:51,791 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:38:51,791 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:38:51,799 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:51" (1/1) ... [2024-11-14 05:38:51,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:51" (1/1) ... [2024-11-14 05:38:51,886 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:51" (1/1) ... [2024-11-14 05:38:51,886 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:51" (1/1) ... [2024-11-14 05:38:52,159 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:51" (1/1) ... [2024-11-14 05:38:52,230 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:51" (1/1) ... [2024-11-14 05:38:52,273 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:51" (1/1) ... [2024-11-14 05:38:52,289 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:51" (1/1) ... [2024-11-14 05:38:52,395 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:38:52,396 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:38:52,396 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:38:52,396 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:38:52,397 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:51" (1/1) ... [2024-11-14 05:38:52,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:38:52,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:38:52,442 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:38:52,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:38:52,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:38:52,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:38:52,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:38:52,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:38:53,170 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:38:53,173 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:38:58,806 INFO L? ?]: Removed 2503 outVars from TransFormulas that were not future-live. [2024-11-14 05:38:58,806 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:39:05,135 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:39:05,136 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:39:05,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:39:05 BoogieIcfgContainer [2024-11-14 05:39:05,137 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:39:05,141 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:39:05,141 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:39:05,147 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:39:05,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:38:50" (1/3) ... [2024-11-14 05:39:05,149 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@461f8873 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:39:05, skipping insertion in model container [2024-11-14 05:39:05,149 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:51" (2/3) ... [2024-11-14 05:39:05,151 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@461f8873 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:39:05, skipping insertion in model container [2024-11-14 05:39:05,151 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:39:05" (3/3) ... [2024-11-14 05:39:05,155 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cache_coherence_two.c [2024-11-14 05:39:05,178 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:39:05,181 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.cache_coherence_two.c that has 1 procedures, 7 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:39:05,262 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:39:05,283 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;@6b0a8123, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:39:05,285 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:39:05,290 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 05:39:05,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-14 05:39:05,297 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:39:05,298 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-14 05:39:05,300 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:39:05,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:39:05,307 INFO L85 PathProgramCache]: Analyzing trace with hash 135486778, now seen corresponding path program 1 times [2024-11-14 05:39:05,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:39:05,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058151725] [2024-11-14 05:39:05,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:05,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:39:08,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:39:08,689 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:39:10,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:39:10,925 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 05:39:10,927 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:39:10,928 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 05:39:10,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:39:10,935 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 05:39:10,999 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:39:11,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:39:11 BoogieIcfgContainer [2024-11-14 05:39:11,007 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:39:11,008 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:39:11,008 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:39:11,008 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:39:11,009 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:39:05" (3/4) ... [2024-11-14 05:39:11,011 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 05:39:11,014 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:39:11,015 INFO L158 Benchmark]: Toolchain (without parser) took 21003.66ms. Allocated memory was 142.6MB in the beginning and 1.1GB in the end (delta: 973.1MB). Free memory was 115.3MB in the beginning and 554.7MB in the end (delta: -439.4MB). Peak memory consumption was 539.0MB. Max. memory is 16.1GB. [2024-11-14 05:39:11,017 INFO L158 Benchmark]: CDTParser took 2.11ms. Allocated memory is still 142.6MB. Free memory was 79.1MB in the beginning and 78.6MB in the end (delta: 545.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:39:11,018 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1203.91ms. Allocated memory is still 142.6MB. Free memory was 115.1MB in the beginning and 90.2MB in the end (delta: 24.9MB). Peak memory consumption was 86.3MB. Max. memory is 16.1GB. [2024-11-14 05:39:11,018 INFO L158 Benchmark]: Boogie Procedure Inliner took 572.05ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 90.2MB in the beginning and 323.7MB in the end (delta: -233.5MB). Peak memory consumption was 67.5MB. Max. memory is 16.1GB. [2024-11-14 05:39:11,019 INFO L158 Benchmark]: Boogie Preprocessor took 604.65ms. Allocated memory is still 427.8MB. Free memory was 323.7MB in the beginning and 322.7MB in the end (delta: 954.9kB). Peak memory consumption was 56.7MB. Max. memory is 16.1GB. [2024-11-14 05:39:11,022 INFO L158 Benchmark]: RCFGBuilder took 12741.00ms. Allocated memory was 427.8MB in the beginning and 1.1GB in the end (delta: 687.9MB). Free memory was 322.6MB in the beginning and 774.8MB in the end (delta: -452.3MB). Peak memory consumption was 609.9MB. Max. memory is 16.1GB. [2024-11-14 05:39:11,022 INFO L158 Benchmark]: TraceAbstraction took 5866.24ms. Allocated memory is still 1.1GB. Free memory was 774.8MB in the beginning and 554.8MB in the end (delta: 220.1MB). Peak memory consumption was 215.9MB. Max. memory is 16.1GB. [2024-11-14 05:39:11,023 INFO L158 Benchmark]: Witness Printer took 6.26ms. Allocated memory is still 1.1GB. Free memory was 554.8MB in the beginning and 554.7MB in the end (delta: 39.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:39:11,025 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.11ms. Allocated memory is still 142.6MB. Free memory was 79.1MB in the beginning and 78.6MB in the end (delta: 545.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1203.91ms. Allocated memory is still 142.6MB. Free memory was 115.1MB in the beginning and 90.2MB in the end (delta: 24.9MB). Peak memory consumption was 86.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 572.05ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 90.2MB in the beginning and 323.7MB in the end (delta: -233.5MB). Peak memory consumption was 67.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 604.65ms. Allocated memory is still 427.8MB. Free memory was 323.7MB in the beginning and 322.7MB in the end (delta: 954.9kB). Peak memory consumption was 56.7MB. Max. memory is 16.1GB. * RCFGBuilder took 12741.00ms. Allocated memory was 427.8MB in the beginning and 1.1GB in the end (delta: 687.9MB). Free memory was 322.6MB in the beginning and 774.8MB in the end (delta: -452.3MB). Peak memory consumption was 609.9MB. Max. memory is 16.1GB. * TraceAbstraction took 5866.24ms. Allocated memory is still 1.1GB. Free memory was 774.8MB in the beginning and 554.8MB in the end (delta: 220.1MB). Peak memory consumption was 215.9MB. Max. memory is 16.1GB. * Witness Printer took 6.26ms. Allocated memory is still 1.1GB. Free memory was 554.8MB in the beginning and 554.7MB in the end (delta: 39.6kB). Peak memory consumption was 8.4MB. 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 189, overapproximation of bitwiseAnd at line 60, overapproximation of bitwiseAnd at line 165. 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 - 32); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (32 - 1); [L32] const SORT_6 mask_SORT_6 = (SORT_6)-1 >> (sizeof(SORT_6) * 8 - 2); [L33] const SORT_6 msb_SORT_6 = (SORT_6)1 << (2 - 1); [L35] const SORT_38 mask_SORT_38 = (SORT_38)-1 >> (sizeof(SORT_38) * 8 - 31); [L36] const SORT_38 msb_SORT_38 = (SORT_38)1 << (31 - 1); [L38] const SORT_45 mask_SORT_45 = (SORT_45)-1 >> (sizeof(SORT_45) * 8 - 3); [L39] const SORT_45 msb_SORT_45 = (SORT_45)1 << (3 - 1); [L41] const SORT_3 var_4 = 0; [L42] const SORT_3 var_5 = 1; [L43] const SORT_6 var_7 = 2; [L44] const SORT_6 var_10 = 1; [L45] const SORT_1 var_32 = 1; [L46] const SORT_1 var_33 = 0; [L47] const SORT_38 var_39 = 0; [L48] const SORT_6 var_41 = 0; [L49] const SORT_45 var_46 = 0; [L50] const SORT_45 var_50 = 1; [L51] const SORT_45 var_56 = 4; [L52] const SORT_45 var_58 = 5; [L53] const SORT_45 var_76 = 2; [L54] const SORT_45 var_86 = 3; [L56] SORT_1 input_2; [L57] SORT_45 input_451; [L58] SORT_45 input_572; [L60] EXPR __VERIFIER_nondet_uchar() & mask_SORT_6 [L60] SORT_6 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_6; [L61] EXPR __VERIFIER_nondet_uchar() & mask_SORT_6 [L61] SORT_6 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_6; [L62] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L62] SORT_1 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L63] EXPR __VERIFIER_nondet_uchar() & mask_SORT_6 [L63] SORT_6 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_6; [L64] EXPR __VERIFIER_nondet_uchar() & mask_SORT_45 [L64] SORT_45 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_45; [L65] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L65] SORT_1 state_72 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L66] EXPR __VERIFIER_nondet_uchar() & mask_SORT_6 [L66] SORT_6 state_98 = __VERIFIER_nondet_uchar() & mask_SORT_6; [L67] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L67] SORT_1 state_129 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L68] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L68] SORT_1 state_131 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L69] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L69] SORT_1 state_141 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L70] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L70] SORT_1 state_143 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L71] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L71] SORT_1 state_145 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L72] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L72] SORT_1 state_147 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_45 [L73] SORT_45 state_149 = __VERIFIER_nondet_uchar() & mask_SORT_45; [L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L74] SORT_1 state_154 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L75] SORT_1 state_168 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_45 [L76] SORT_45 state_170 = __VERIFIER_nondet_uchar() & mask_SORT_45; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L77] SORT_1 state_172 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L78] SORT_1 state_174 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L79] SORT_1 state_176 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L80] SORT_1 state_178 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L81] SORT_1 state_180 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L82] SORT_1 state_182 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_45 [L83] SORT_45 state_184 = __VERIFIER_nondet_uchar() & mask_SORT_45; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L84] SORT_1 state_189 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L85] SORT_1 state_203 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_45 [L86] SORT_45 state_205 = __VERIFIER_nondet_uchar() & mask_SORT_45; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L87] SORT_1 state_207 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L88] SORT_1 state_209 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L90] SORT_6 init_9_arg_1 = var_7; [L91] state_8 = init_9_arg_1 [L92] SORT_6 init_18_arg_1 = var_7; [L93] state_17 = init_18_arg_1 [L94] SORT_1 init_35_arg_1 = var_33; [L95] state_34 = init_35_arg_1 [L96] SORT_6 init_43_arg_1 = var_41; [L97] state_42 = init_43_arg_1 [L98] SORT_45 init_48_arg_1 = var_46; [L99] state_47 = init_48_arg_1 [L100] SORT_1 init_73_arg_1 = var_33; [L101] state_72 = init_73_arg_1 [L102] SORT_6 init_99_arg_1 = var_41; [L103] state_98 = init_99_arg_1 [L104] SORT_1 init_130_arg_1 = var_33; [L105] state_129 = init_130_arg_1 [L106] SORT_1 init_132_arg_1 = var_33; [L107] state_131 = init_132_arg_1 [L108] SORT_1 init_142_arg_1 = var_33; [L109] state_141 = init_142_arg_1 [L110] SORT_1 init_144_arg_1 = var_33; [L111] state_143 = init_144_arg_1 [L112] SORT_1 init_146_arg_1 = var_33; [L113] state_145 = init_146_arg_1 [L114] SORT_1 init_148_arg_1 = var_32; [L115] state_147 = init_148_arg_1 [L116] SORT_45 init_150_arg_1 = var_58; [L117] state_149 = init_150_arg_1 [L118] SORT_1 init_155_arg_1 = var_32; [L119] state_154 = init_155_arg_1 [L120] SORT_1 init_169_arg_1 = var_32; [L121] state_168 = init_169_arg_1 [L122] SORT_45 init_171_arg_1 = var_76; [L123] state_170 = init_171_arg_1 [L124] SORT_1 init_173_arg_1 = var_33; [L125] state_172 = init_173_arg_1 [L126] SORT_1 init_175_arg_1 = var_33; [L127] state_174 = init_175_arg_1 [L128] SORT_1 init_177_arg_1 = var_33; [L129] state_176 = init_177_arg_1 [L130] SORT_1 init_179_arg_1 = var_33; [L131] state_178 = init_179_arg_1 [L132] SORT_1 init_181_arg_1 = var_33; [L133] state_180 = init_181_arg_1 [L134] SORT_1 init_183_arg_1 = var_32; [L135] state_182 = init_183_arg_1 [L136] SORT_45 init_185_arg_1 = var_58; [L137] state_184 = init_185_arg_1 [L138] SORT_1 init_190_arg_1 = var_32; [L139] state_189 = init_190_arg_1 [L140] SORT_1 init_204_arg_1 = var_32; [L141] state_203 = init_204_arg_1 [L142] SORT_45 init_206_arg_1 = var_76; [L143] state_205 = init_206_arg_1 [L144] SORT_1 init_208_arg_1 = var_33; [L145] state_207 = init_208_arg_1 [L146] SORT_1 init_210_arg_1 = var_33; [L147] state_209 = init_210_arg_1 VAL [mask_SORT_1=1, mask_SORT_45=7, mask_SORT_6=3, state_129=0, state_131=0, state_141=0, state_143=0, state_145=0, state_147=1, state_149=5, state_154=1, state_168=1, state_170=2, state_172=0, state_174=0, state_176=0, state_178=0, state_17=2, state_180=0, state_182=1, state_184=5, state_189=1, state_203=1, state_205=2, state_207=0, state_209=0, state_34=0, state_42=0, state_47=0, state_72=0, state_8=2, state_98=0, var_10=1, var_32=1, var_33=0, var_39=0, var_41=0, var_46=0, var_4=0, var_50=1, var_56=4, var_58=5, var_5=1, var_76=2, var_7=2, var_86=3] [L150] input_2 = __VERIFIER_nondet_uchar() [L151] input_451 = __VERIFIER_nondet_uchar() [L152] input_572 = __VERIFIER_nondet_uchar() [L155] SORT_6 var_11_arg_0 = state_8; [L156] SORT_6 var_11_arg_1 = var_10; [L157] SORT_1 var_11 = var_11_arg_0 == var_11_arg_1; [L158] SORT_1 var_12_arg_0 = var_11; [L159] SORT_3 var_12_arg_1 = var_5; [L160] SORT_3 var_12_arg_2 = var_4; [L161] SORT_3 var_12 = var_12_arg_0 ? var_12_arg_1 : var_12_arg_2; [L162] SORT_3 var_13_arg_0 = var_12; [L163] SORT_1 var_13 = var_13_arg_0 >> 0; [L164] SORT_1 var_14_arg_0 = var_13; [L165] EXPR var_14_arg_0 & mask_SORT_1 [L165] var_14_arg_0 = var_14_arg_0 & mask_SORT_1 [L166] SORT_3 var_14 = var_14_arg_0; [L167] SORT_3 var_15_arg_0 = var_14; [L168] SORT_3 var_15_arg_1 = var_5; [L169] SORT_1 var_15 = var_15_arg_0 == var_15_arg_1; [L170] SORT_1 var_16_arg_0 = var_15; [L171] SORT_1 var_16 = ~var_16_arg_0; [L172] SORT_6 var_19_arg_0 = state_17; [L173] SORT_6 var_19_arg_1 = var_10; [L174] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L175] SORT_1 var_20_arg_0 = var_19; [L176] SORT_3 var_20_arg_1 = var_5; [L177] SORT_3 var_20_arg_2 = var_4; [L178] SORT_3 var_20 = var_20_arg_0 ? var_20_arg_1 : var_20_arg_2; [L179] SORT_3 var_21_arg_0 = var_20; [L180] SORT_1 var_21 = var_21_arg_0 >> 0; [L181] SORT_1 var_22_arg_0 = var_21; [L182] EXPR var_22_arg_0 & mask_SORT_1 [L182] var_22_arg_0 = var_22_arg_0 & mask_SORT_1 [L183] SORT_3 var_22 = var_22_arg_0; [L184] SORT_3 var_23_arg_0 = var_22; [L185] SORT_3 var_23_arg_1 = var_5; [L186] SORT_1 var_23 = var_23_arg_0 == var_23_arg_1; [L187] SORT_1 var_24_arg_0 = var_16; [L188] SORT_1 var_24_arg_1 = var_23; [L189] EXPR var_24_arg_0 | var_24_arg_1 [L189] SORT_1 var_24 = var_24_arg_0 | var_24_arg_1; [L190] SORT_1 var_25_arg_0 = var_21; [L191] EXPR var_25_arg_0 & mask_SORT_1 [L191] var_25_arg_0 = var_25_arg_0 & mask_SORT_1 [L192] SORT_3 var_25 = var_25_arg_0; [L193] SORT_3 var_26_arg_0 = var_25; [L194] SORT_3 var_26_arg_1 = var_5; [L195] SORT_1 var_26 = var_26_arg_0 == var_26_arg_1; [L196] SORT_1 var_27_arg_0 = var_26; [L197] SORT_1 var_27 = ~var_27_arg_0; [L198] SORT_1 var_28_arg_0 = var_13; [L199] EXPR var_28_arg_0 & mask_SORT_1 [L199] var_28_arg_0 = var_28_arg_0 & mask_SORT_1 [L200] SORT_3 var_28 = var_28_arg_0; [L201] SORT_3 var_29_arg_0 = var_28; [L202] SORT_3 var_29_arg_1 = var_5; [L203] SORT_1 var_29 = var_29_arg_0 == var_29_arg_1; [L204] SORT_1 var_30_arg_0 = var_27; [L205] SORT_1 var_30_arg_1 = var_29; [L206] EXPR var_30_arg_0 | var_30_arg_1 [L206] SORT_1 var_30 = var_30_arg_0 | var_30_arg_1; [L207] SORT_1 var_31_arg_0 = var_24; [L208] SORT_1 var_31_arg_1 = var_30; [L209] EXPR var_31_arg_0 & var_31_arg_1 [L209] SORT_1 var_31 = var_31_arg_0 & var_31_arg_1; [L210] SORT_45 var_64_arg_0 = state_47; [L211] SORT_45 var_64_arg_1 = var_50; [L212] SORT_1 var_64 = var_64_arg_0 == var_64_arg_1; [L213] SORT_6 var_65_arg_0 = state_42; [L214] SORT_6 var_65_arg_1 = var_10; [L215] SORT_1 var_65 = var_65_arg_0 == var_65_arg_1; [L216] SORT_1 var_66_arg_0 = var_64; [L217] SORT_1 var_66_arg_1 = var_65; [L218] EXPR var_66_arg_0 | var_66_arg_1 [L218] SORT_1 var_66 = var_66_arg_0 | var_66_arg_1; [L219] EXPR var_66 & mask_SORT_1 [L219] var_66 = var_66 & mask_SORT_1 [L220] SORT_6 var_44_arg_0 = state_42; [L221] SORT_6 var_44_arg_1 = var_41; [L222] SORT_1 var_44 = var_44_arg_0 == var_44_arg_1; [L223] SORT_45 var_49_arg_0 = state_47; [L224] SORT_45 var_49_arg_1 = var_46; [L225] SORT_1 var_49 = var_49_arg_0 == var_49_arg_1; [L226] SORT_45 var_51_arg_0 = state_47; [L227] SORT_45 var_51_arg_1 = var_50; [L228] SORT_1 var_51 = var_51_arg_0 == var_51_arg_1; [L229] SORT_1 var_52_arg_0 = var_49; [L230] SORT_1 var_52_arg_1 = var_51; [L231] EXPR var_52_arg_0 | var_52_arg_1 [L231] SORT_1 var_52 = var_52_arg_0 | var_52_arg_1; [L232] SORT_1 var_53_arg_0 = var_52; [L233] SORT_1 var_53 = ~var_53_arg_0; [L234] SORT_1 var_54_arg_0 = var_44; [L235] SORT_1 var_54_arg_1 = var_53; [L236] EXPR var_54_arg_0 & var_54_arg_1 [L236] SORT_1 var_54 = var_54_arg_0 & var_54_arg_1; [L237] SORT_6 var_55_arg_0 = state_42; [L238] SORT_6 var_55_arg_1 = var_10; [L239] SORT_1 var_55 = var_55_arg_0 == var_55_arg_1; [L240] SORT_45 var_57_arg_0 = state_47; [L241] SORT_45 var_57_arg_1 = var_56; [L242] SORT_1 var_57 = var_57_arg_0 == var_57_arg_1; [L243] SORT_45 var_59_arg_0 = state_47; [L244] SORT_45 var_59_arg_1 = var_58; [L245] SORT_1 var_59 = var_59_arg_0 == var_59_arg_1; [L246] SORT_1 var_60_arg_0 = var_57; [L247] SORT_1 var_60_arg_1 = var_59; [L248] EXPR var_60_arg_0 | var_60_arg_1 [L248] SORT_1 var_60 = var_60_arg_0 | var_60_arg_1; [L249] SORT_1 var_61_arg_0 = var_55; [L250] SORT_1 var_61_arg_1 = var_60; [L251] EXPR var_61_arg_0 & var_61_arg_1 [L251] SORT_1 var_61 = var_61_arg_0 & var_61_arg_1; [L252] SORT_1 var_62_arg_0 = var_54; [L253] SORT_1 var_62_arg_1 = var_61; [L254] EXPR var_62_arg_0 | var_62_arg_1 [L254] SORT_1 var_62 = var_62_arg_0 | var_62_arg_1; [L255] EXPR var_62 & mask_SORT_1 [L255] var_62 = var_62 & mask_SORT_1 [L256] SORT_1 var_36_arg_0 = state_34; [L257] SORT_1 var_36 = ~var_36_arg_0; [L258] SORT_1 var_37_arg_0 = var_32; [L259] SORT_1 var_37_arg_1 = var_36; [L260] EXPR var_37_arg_0 & var_37_arg_1 [L260] SORT_1 var_37 = var_37_arg_0 & var_37_arg_1; [L261] EXPR var_37 & mask_SORT_1 [L261] var_37 = var_37 & mask_SORT_1 [L262] SORT_38 var_40_arg_0 = var_39; [L263] SORT_1 var_40_arg_1 = var_37; [L264] EXPR ((SORT_3)var_40_arg_0 << 1) | var_40_arg_1 [L264] SORT_3 var_40 = ((SORT_3)var_40_arg_0 << 1) | var_40_arg_1; [L265] SORT_1 var_63_arg_0 = var_62; [L266] SORT_3 var_63_arg_1 = var_40; [L267] SORT_3 var_63_arg_2 = var_4; [L268] SORT_3 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L269] SORT_1 var_67_arg_0 = var_66; [L270] SORT_3 var_67_arg_1 = var_5; [L271] SORT_3 var_67_arg_2 = var_63; [L272] SORT_3 var_67 = var_67_arg_0 ? var_67_arg_1 : var_67_arg_2; [L273] SORT_3 var_68_arg_0 = var_67; [L274] SORT_1 var_68 = var_68_arg_0 >> 0; [L275] EXPR var_68 & mask_SORT_1 [L275] var_68 = var_68 & mask_SORT_1 [L276] SORT_1 var_69_arg_0 = var_13; [L277] SORT_1 var_69_arg_1 = var_68; [L278] EXPR var_69_arg_0 & var_69_arg_1 [L278] SORT_1 var_69 = var_69_arg_0 & var_69_arg_1; [L279] SORT_1 var_70_arg_0 = var_69; [L280] SORT_1 var_70_arg_1 = var_21; [L281] EXPR var_70_arg_0 & var_70_arg_1 [L281] SORT_1 var_70 = var_70_arg_0 & var_70_arg_1; [L282] SORT_1 var_71_arg_0 = var_70; [L283] SORT_1 var_71 = ~var_71_arg_0; [L284] SORT_45 var_113_arg_0 = state_47; [L285] SORT_45 var_113_arg_1 = var_50; [L286] SORT_1 var_113 = var_113_arg_0 == var_113_arg_1; [L287] SORT_6 var_114_arg_0 = state_98; [L288] SORT_6 var_114_arg_1 = var_10; [L289] SORT_1 var_114 = var_114_arg_0 == var_114_arg_1; [L290] SORT_1 var_115_arg_0 = var_113; [L291] SORT_1 var_115_arg_1 = var_114; [L292] EXPR var_115_arg_0 | var_115_arg_1 [L292] SORT_1 var_115 = var_115_arg_0 | var_115_arg_1; [L293] EXPR var_115 & mask_SORT_1 [L293] var_115 = var_115 & mask_SORT_1 [L294] SORT_6 var_100_arg_0 = state_98; [L295] SORT_6 var_100_arg_1 = var_41; [L296] SORT_1 var_100 = var_100_arg_0 == var_100_arg_1; [L297] SORT_45 var_101_arg_0 = state_47; [L298] SORT_45 var_101_arg_1 = var_46; [L299] SORT_1 var_101 = var_101_arg_0 == var_101_arg_1; [L300] SORT_45 var_102_arg_0 = state_47; [L301] SORT_45 var_102_arg_1 = var_50; [L302] SORT_1 var_102 = var_102_arg_0 == var_102_arg_1; [L303] SORT_1 var_103_arg_0 = var_101; [L304] SORT_1 var_103_arg_1 = var_102; [L305] EXPR var_103_arg_0 | var_103_arg_1 [L305] SORT_1 var_103 = var_103_arg_0 | var_103_arg_1; [L306] SORT_1 var_104_arg_0 = var_103; [L307] SORT_1 var_104 = ~var_104_arg_0; [L308] SORT_1 var_105_arg_0 = var_100; [L309] SORT_1 var_105_arg_1 = var_104; [L310] EXPR var_105_arg_0 & var_105_arg_1 [L310] SORT_1 var_105 = var_105_arg_0 & var_105_arg_1; [L311] SORT_6 var_106_arg_0 = state_98; [L312] SORT_6 var_106_arg_1 = var_10; [L313] SORT_1 var_106 = var_106_arg_0 == var_106_arg_1; [L314] SORT_45 var_107_arg_0 = state_47; [L315] SORT_45 var_107_arg_1 = var_56; [L316] SORT_1 var_107 = var_107_arg_0 == var_107_arg_1; [L317] SORT_45 var_108_arg_0 = state_47; [L318] SORT_45 var_108_arg_1 = var_58; [L319] SORT_1 var_108 = var_108_arg_0 == var_108_arg_1; [L320] SORT_1 var_109_arg_0 = var_107; [L321] SORT_1 var_109_arg_1 = var_108; [L322] EXPR var_109_arg_0 | var_109_arg_1 [L322] SORT_1 var_109 = var_109_arg_0 | var_109_arg_1; [L323] SORT_1 var_110_arg_0 = var_106; [L324] SORT_1 var_110_arg_1 = var_109; [L325] EXPR var_110_arg_0 & var_110_arg_1 [L325] SORT_1 var_110 = var_110_arg_0 & var_110_arg_1; [L326] SORT_1 var_111_arg_0 = var_105; [L327] SORT_1 var_111_arg_1 = var_110; [L328] EXPR var_111_arg_0 | var_111_arg_1 [L328] SORT_1 var_111 = var_111_arg_0 | var_111_arg_1; [L329] EXPR var_111 & mask_SORT_1 [L329] var_111 = var_111 & mask_SORT_1 [L330] SORT_6 var_92_arg_0 = state_42; [L331] SORT_6 var_92_arg_1 = var_7; [L332] SORT_1 var_92 = var_92_arg_0 == var_92_arg_1; [L333] SORT_1 var_93_arg_0 = var_33; [L334] SORT_1 var_93_arg_1 = var_92; [L335] EXPR var_93_arg_0 | var_93_arg_1 [L335] SORT_1 var_93 = var_93_arg_0 | var_93_arg_1; [L336] EXPR var_93 & mask_SORT_1 [L336] var_93 = var_93 & mask_SORT_1 [L337] SORT_45 var_77_arg_0 = state_47; [L338] SORT_45 var_77_arg_1 = var_76; [L339] SORT_1 var_77 = var_77_arg_0 == var_77_arg_1; [L340] SORT_45 var_78_arg_0 = state_47; [L341] SORT_45 var_78_arg_1 = var_56; [L342] SORT_1 var_78 = var_78_arg_0 == var_78_arg_1; [L343] SORT_1 var_79_arg_0 = var_77; [L344] SORT_1 var_79_arg_1 = var_78; [L345] EXPR var_79_arg_0 | var_79_arg_1 [L345] SORT_1 var_79 = var_79_arg_0 | var_79_arg_1; [L346] SORT_45 var_80_arg_0 = state_47; [L347] SORT_45 var_80_arg_1 = var_58; [L348] SORT_1 var_80 = var_80_arg_0 == var_80_arg_1; [L349] SORT_1 var_81_arg_0 = var_79; [L350] SORT_1 var_81_arg_1 = var_80; [L351] EXPR var_81_arg_0 | var_81_arg_1 [L351] SORT_1 var_81 = var_81_arg_0 | var_81_arg_1; [L352] SORT_45 var_82_arg_0 = state_47; [L353] SORT_45 var_82_arg_1 = var_50; [L354] SORT_1 var_82 = var_82_arg_0 == var_82_arg_1; [L355] SORT_6 var_83_arg_0 = state_42; [L356] SORT_6 var_83_arg_1 = var_10; [L357] SORT_1 var_83 = var_83_arg_0 == var_83_arg_1; [L358] SORT_1 var_84_arg_0 = var_82; [L359] SORT_1 var_84_arg_1 = var_83; [L360] EXPR var_84_arg_0 & var_84_arg_1 [L360] SORT_1 var_84 = var_84_arg_0 & var_84_arg_1; [L361] SORT_1 var_85_arg_0 = var_81; [L362] SORT_1 var_85_arg_1 = var_84; [L363] EXPR var_85_arg_0 | var_85_arg_1 [L363] SORT_1 var_85 = var_85_arg_0 | var_85_arg_1; [L364] SORT_45 var_87_arg_0 = state_47; [L365] SORT_45 var_87_arg_1 = var_86; [L366] SORT_1 var_87 = var_87_arg_0 == var_87_arg_1; [L367] SORT_6 var_88_arg_0 = state_42; [L368] SORT_6 var_88_arg_1 = var_41; [L369] SORT_1 var_88 = var_88_arg_0 == var_88_arg_1; [L370] SORT_1 var_89_arg_0 = var_87; [L371] SORT_1 var_89_arg_1 = var_88; [L372] EXPR var_89_arg_0 & var_89_arg_1 [L372] SORT_1 var_89 = var_89_arg_0 & var_89_arg_1; [L373] SORT_1 var_90_arg_0 = var_85; [L374] SORT_1 var_90_arg_1 = var_89; [L375] EXPR var_90_arg_0 | var_90_arg_1 [L375] SORT_1 var_90 = var_90_arg_0 | var_90_arg_1; [L376] EXPR var_90 & mask_SORT_1 [L376] var_90 = var_90 & mask_SORT_1 [L377] SORT_1 var_91_arg_0 = var_90; [L378] SORT_3 var_91_arg_1 = var_5; [L379] SORT_3 var_91_arg_2 = var_4; [L380] SORT_3 var_91 = var_91_arg_0 ? var_91_arg_1 : var_91_arg_2; [L381] SORT_1 var_94_arg_0 = var_93; [L382] SORT_3 var_94_arg_1 = var_4; [L383] SORT_3 var_94_arg_2 = var_91; [L384] SORT_3 var_94 = var_94_arg_0 ? var_94_arg_1 : var_94_arg_2; [L385] SORT_3 var_95_arg_0 = var_94; [L386] SORT_1 var_95 = var_95_arg_0 >> 0; [L387] EXPR var_95 & mask_SORT_1 [L387] var_95 = var_95 & mask_SORT_1 [L388] SORT_1 var_74_arg_0 = state_72; [L389] SORT_1 var_74 = ~var_74_arg_0; [L390] SORT_1 var_75_arg_0 = var_32; [L391] SORT_1 var_75_arg_1 = var_74; [L392] EXPR var_75_arg_0 & var_75_arg_1 [L392] SORT_1 var_75 = var_75_arg_0 & var_75_arg_1; [L393] SORT_1 var_96_arg_0 = var_95; [L394] SORT_1 var_96_arg_1 = var_37; [L395] SORT_1 var_96_arg_2 = var_75; [L396] SORT_1 var_96 = var_96_arg_0 ? var_96_arg_1 : var_96_arg_2; [L397] EXPR var_96 & mask_SORT_1 [L397] var_96 = var_96 & mask_SORT_1 [L398] SORT_38 var_97_arg_0 = var_39; [L399] SORT_1 var_97_arg_1 = var_96; [L400] EXPR ((SORT_3)var_97_arg_0 << 1) | var_97_arg_1 [L400] SORT_3 var_97 = ((SORT_3)var_97_arg_0 << 1) | var_97_arg_1; [L401] SORT_1 var_112_arg_0 = var_111; [L402] SORT_3 var_112_arg_1 = var_97; [L403] SORT_3 var_112_arg_2 = var_4; [L404] SORT_3 var_112 = var_112_arg_0 ? var_112_arg_1 : var_112_arg_2; [L405] SORT_1 var_116_arg_0 = var_115; [L406] SORT_3 var_116_arg_1 = var_5; [L407] SORT_3 var_116_arg_2 = var_112; [L408] SORT_3 var_116 = var_116_arg_0 ? var_116_arg_1 : var_116_arg_2; [L409] SORT_3 var_117_arg_0 = var_116; [L410] SORT_1 var_117 = var_117_arg_0 >> 0; [L411] EXPR var_117 & mask_SORT_1 [L411] var_117 = var_117 & mask_SORT_1 [L412] SORT_1 var_118_arg_0 = var_71; [L413] SORT_1 var_118_arg_1 = var_117; [L414] EXPR var_118_arg_0 | var_118_arg_1 [L414] SORT_1 var_118 = var_118_arg_0 | var_118_arg_1; [L415] SORT_1 var_119_arg_0 = var_31; [L416] SORT_1 var_119_arg_1 = var_118; [L417] EXPR var_119_arg_0 & var_119_arg_1 [L417] SORT_1 var_119 = var_119_arg_0 & var_119_arg_1; [L418] SORT_1 var_122_arg_0 = var_119; [L419] SORT_1 var_122 = ~var_122_arg_0; [L420] SORT_1 var_123_arg_0 = var_32; [L421] SORT_1 var_123_arg_1 = var_122; [L422] EXPR var_123_arg_0 & var_123_arg_1 [L422] SORT_1 var_123 = var_123_arg_0 & var_123_arg_1; [L423] EXPR var_123 & mask_SORT_1 [L423] var_123 = var_123 & mask_SORT_1 [L424] SORT_1 bad_124_arg_0 = var_123; [L425] CALL __VERIFIER_assert(!(bad_124_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: 5.7s, 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, 3.1s 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 05:39:11,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/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_c6378dba-681f-4078-86e7-ecc1ae9757e8/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/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_c6378dba-681f-4078-86e7-ecc1ae9757e8/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_two.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/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_c6378dba-681f-4078-86e7-ecc1ae9757e8/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 56b29f9d5660210a85c24688e6471450833c85f52fe4e28968dbf3dd7aaa100e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:39:14,815 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:39:14,979 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-14 05:39:14,993 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:39:14,994 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:39:15,042 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:39:15,043 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:39:15,045 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:39:15,045 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:39:15,045 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:39:15,046 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:39:15,046 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:39:15,046 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:39:15,046 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:39:15,046 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:39:15,046 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:39:15,047 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:39:15,047 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:39:15,047 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:39:15,047 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:39:15,047 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:39:15,048 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:39:15,048 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 05:39:15,048 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 05:39:15,048 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:39:15,050 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 05:39:15,050 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:39:15,050 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:39:15,051 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:39:15,051 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 05:39:15,051 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:39:15,051 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:39:15,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:39:15,052 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:39:15,052 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:39:15,053 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:39:15,053 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 05:39:15,053 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 05:39:15,053 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:39:15,053 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:39:15,053 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_c6378dba-681f-4078-86e7-ecc1ae9757e8/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 -> 56b29f9d5660210a85c24688e6471450833c85f52fe4e28968dbf3dd7aaa100e [2024-11-14 05:39:15,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:39:15,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:39:15,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:39:15,510 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:39:15,514 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:39:15,516 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_two.c Unable to find full path for "g++" [2024-11-14 05:39:18,222 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:39:18,929 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:39:18,935 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_two.c [2024-11-14 05:39:18,973 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/bin/utaipan-verify-sOmjnqqW8E/data/3e372be05/cc0288a765f9465d917a85d1e6e65d52/FLAGef38b7d1d [2024-11-14 05:39:19,008 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/bin/utaipan-verify-sOmjnqqW8E/data/3e372be05/cc0288a765f9465d917a85d1e6e65d52 [2024-11-14 05:39:19,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:39:19,014 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:39:19,019 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:39:19,019 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:39:19,025 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:39:19,027 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:39:19" (1/1) ... [2024-11-14 05:39:19,028 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52697aca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:39:19, skipping insertion in model container [2024-11-14 05:39:19,030 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:39:19" (1/1) ... [2024-11-14 05:39:19,125 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:39:19,428 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_c6378dba-681f-4078-86e7-ecc1ae9757e8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_two.c[1259,1272] [2024-11-14 05:39:19,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:39:19,938 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:39:19,953 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_c6378dba-681f-4078-86e7-ecc1ae9757e8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_two.c[1259,1272] [2024-11-14 05:39:20,171 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:39:20,186 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:39:20,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:39:20 WrapperNode [2024-11-14 05:39:20,187 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:39:20,188 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:39:20,188 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:39:20,188 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:39:20,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:39:20" (1/1) ... [2024-11-14 05:39:20,229 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:39:20" (1/1) ... [2024-11-14 05:39:20,334 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1995 [2024-11-14 05:39:20,335 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:39:20,335 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:39:20,335 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:39:20,336 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:39:20,343 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:39:20" (1/1) ... [2024-11-14 05:39:20,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:39:20" (1/1) ... [2024-11-14 05:39:20,359 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:39:20" (1/1) ... [2024-11-14 05:39:20,359 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:39:20" (1/1) ... [2024-11-14 05:39:20,396 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:39:20" (1/1) ... [2024-11-14 05:39:20,402 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:39:20" (1/1) ... [2024-11-14 05:39:20,409 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:39:20" (1/1) ... [2024-11-14 05:39:20,416 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:39:20" (1/1) ... [2024-11-14 05:39:20,432 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:39:20,433 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:39:20,433 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:39:20,433 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:39:20,434 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:39:20" (1/1) ... [2024-11-14 05:39:20,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:39:20,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:39:20,476 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:39:20,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:39:20,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:39:20,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 05:39:20,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:39:20,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:39:21,082 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:39:21,085 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:39:23,193 INFO L? ?]: Removed 293 outVars from TransFormulas that were not future-live. [2024-11-14 05:39:23,193 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:39:23,205 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:39:23,205 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:39:23,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:39:23 BoogieIcfgContainer [2024-11-14 05:39:23,206 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:39:23,209 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:39:23,209 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:39:23,217 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:39:23,218 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:39:19" (1/3) ... [2024-11-14 05:39:23,218 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ff7bb7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:39:23, skipping insertion in model container [2024-11-14 05:39:23,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:39:20" (2/3) ... [2024-11-14 05:39:23,219 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ff7bb7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:39:23, skipping insertion in model container [2024-11-14 05:39:23,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:39:23" (3/3) ... [2024-11-14 05:39:23,221 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cache_coherence_two.c [2024-11-14 05:39:23,242 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:39:23,244 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.cache_coherence_two.c that has 1 procedures, 10 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:39:23,316 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:39:23,339 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;@75173899, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:39:23,340 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:39:23,346 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 05:39:23,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-14 05:39:23,354 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:39:23,354 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-14 05:39:23,355 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:39:23,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:39:23,364 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-14 05:39:23,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:39:23,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [86240317] [2024-11-14 05:39:23,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:23,386 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 05:39:23,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:39:23,389 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/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 05:39:23,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/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 05:39:24,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:39:24,548 INFO L255 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-11-14 05:39:24,574 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:39:25,796 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 05:39:25,796 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:39:25,797 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:39:25,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [86240317] [2024-11-14 05:39:25,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [86240317] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:39:25,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:39:25,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:39:25,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450959957] [2024-11-14 05:39:25,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:39:25,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:39:25,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:39:25,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:39:25,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:39:25,841 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 05:39:26,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:39:26,078 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-14 05:39:26,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:39:26,083 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 05:39:26,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:39:26,092 INFO L225 Difference]: With dead ends: 18 [2024-11-14 05:39:26,092 INFO L226 Difference]: Without dead ends: 10 [2024-11-14 05:39:26,096 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 05:39:26,100 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:39:26,102 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 05:39:26,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-14 05:39:26,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-14 05:39:26,137 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 05:39:26,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-14 05:39:26,145 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-14 05:39:26,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:39:26,147 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-14 05:39:26,147 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 05:39:26,148 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-14 05:39:26,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-14 05:39:26,148 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:39:26,148 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-14 05:39:26,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/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 05:39:26,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/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 05:39:26,350 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:39:26,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:39:26,351 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-14 05:39:26,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:39:26,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [581898879] [2024-11-14 05:39:26,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:26,357 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 05:39:26,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:39:26,364 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/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 05:39:26,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/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 05:39:28,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:39:28,831 INFO L255 TraceCheckSpWp]: Trace formula consists of 638 conjuncts, 67 conjuncts are in the unsatisfiable core [2024-11-14 05:39:28,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:39:29,960 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:39:29,960 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:39:35,747 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:39:35,749 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:39:35,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [581898879] [2024-11-14 05:39:35,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [581898879] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:39:35,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [721156952] [2024-11-14 05:39:35,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:35,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 05:39:35,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 05:39:35,755 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 05:39:35,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-14 05:39:37,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:39:37,787 INFO L255 TraceCheckSpWp]: Trace formula consists of 638 conjuncts, 77 conjuncts are in the unsatisfiable core [2024-11-14 05:39:37,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:39:38,559 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:39:38,560 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:39:53,896 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:39:53,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [721156952] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:39:53,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1014865554] [2024-11-14 05:39:53,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:53,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:39:53,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:39:53,901 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:39:53,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 05:39:54,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:39:54,928 INFO L255 TraceCheckSpWp]: Trace formula consists of 638 conjuncts, 72 conjuncts are in the unsatisfiable core [2024-11-14 05:39:54,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:39:55,501 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:39:55,501 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:40:00,260 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:40:00,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1014865554] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:40:00,261 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-14 05:40:00,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 6, 6] total 15 [2024-11-14 05:40:00,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388089723] [2024-11-14 05:40:00,262 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-14 05:40:00,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-14 05:40:00,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:40:00,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-14 05:40:00,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=157, Unknown=7, NotChecked=0, Total=210 [2024-11-14 05:40:00,264 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 15 states, 15 states have (on average 2.0) internal successors, (30), 15 states have internal predecessors, (30), 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 05:40:04,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:40:04,459 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2024-11-14 05:40:04,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 05:40:04,461 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.0) internal successors, (30), 15 states have internal predecessors, (30), 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 8 [2024-11-14 05:40:04,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:40:04,461 INFO L225 Difference]: With dead ends: 15 [2024-11-14 05:40:04,461 INFO L226 Difference]: Without dead ends: 13 [2024-11-14 05:40:04,462 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 22.5s TimeCoverageRelationStatistics Valid=79, Invalid=219, Unknown=8, NotChecked=0, Total=306 [2024-11-14 05:40:04,463 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 8 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-14 05:40:04,463 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 36 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-14 05:40:04,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-14 05:40:04,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2024-11-14 05:40:04,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 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 05:40:04,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-14 05:40:04,470 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2024-11-14 05:40:04,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:40:04,471 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-14 05:40:04,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.0) internal successors, (30), 15 states have internal predecessors, (30), 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 05:40:04,471 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-14 05:40:04,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-14 05:40:04,472 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:40:04,472 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2024-11-14 05:40:04,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-14 05:40:04,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-14 05:40:04,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/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)] Forceful destruction successful, exit code 0 [2024-11-14 05:40:05,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/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 05:40:05,077 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:40:05,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:40:05,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1906115653, now seen corresponding path program 2 times [2024-11-14 05:40:05,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:40:05,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1140328990] [2024-11-14 05:40:05,082 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 05:40:05,082 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 05:40:05,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:40:05,085 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/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 05:40:05,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6378dba-681f-4078-86e7-ecc1ae9757e8/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 (6)] Waiting until timeout for monitored process [2024-11-14 05:40:08,905 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-14 05:40:08,905 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 05:40:08,939 INFO L255 TraceCheckSpWp]: Trace formula consists of 924 conjuncts, 77 conjuncts are in the unsatisfiable core [2024-11-14 05:40:08,967 INFO L278 TraceCheckSpWp]: Computing forward predicates...