./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.3.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2400762-d322-4bfd-af19-be7a4b424fb2/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2400762-d322-4bfd-af19-be7a4b424fb2/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_a2400762-d322-4bfd-af19-be7a4b424fb2/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2400762-d322-4bfd-af19-be7a4b424fb2/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.3.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2400762-d322-4bfd-af19-be7a4b424fb2/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_a2400762-d322-4bfd-af19-be7a4b424fb2/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 8dc208a2665260fe26c599d2b12cd2ae6dba736ba9ceb60f2adfcbbfeecc6a5c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:44:38,398 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:44:38,476 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2400762-d322-4bfd-af19-be7a4b424fb2/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 02:44:38,488 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:44:38,490 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:44:38,536 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:44:38,537 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:44:38,537 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:44:38,538 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:44:38,538 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:44:38,538 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:44:38,539 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:44:38,540 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:44:38,540 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 02:44:38,540 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:44:38,540 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:44:38,540 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 02:44:38,540 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 02:44:38,540 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:44:38,541 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 02:44:38,541 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 02:44:38,541 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 02:44:38,541 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:44:38,541 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 02:44:38,542 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 02:44:38,543 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:44:38,543 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 02:44:38,543 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:44:38,543 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 02:44:38,544 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:44:38,544 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 02:44:38,544 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:44:38,544 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:44:38,544 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:44:38,545 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:44:38,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:44:38,546 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:44:38,546 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:44:38,546 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 02:44:38,546 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 02:44:38,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 02:44:38,546 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:44:38,547 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:44:38,547 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 02:44:38,547 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_a2400762-d322-4bfd-af19-be7a4b424fb2/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 -> 8dc208a2665260fe26c599d2b12cd2ae6dba736ba9ceb60f2adfcbbfeecc6a5c [2024-11-14 02:44:38,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:44:38,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:44:38,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:44:38,985 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:44:38,985 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:44:38,988 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2400762-d322-4bfd-af19-be7a4b424fb2/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.3.prop1-func-interl.c Unable to find full path for "g++" [2024-11-14 02:44:41,356 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:44:41,864 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:44:41,865 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2400762-d322-4bfd-af19-be7a4b424fb2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.3.prop1-func-interl.c [2024-11-14 02:44:41,894 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2400762-d322-4bfd-af19-be7a4b424fb2/bin/utaipan-verify-sOmjnqqW8E/data/407c93090/d197d5c5ebcb4836901aa0c5b8719455/FLAG6618be46f [2024-11-14 02:44:41,917 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2400762-d322-4bfd-af19-be7a4b424fb2/bin/utaipan-verify-sOmjnqqW8E/data/407c93090/d197d5c5ebcb4836901aa0c5b8719455 [2024-11-14 02:44:41,920 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:44:41,923 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:44:41,924 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:44:41,924 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:44:41,933 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:44:41,934 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:44:41" (1/1) ... [2024-11-14 02:44:41,935 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@303c129d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:41, skipping insertion in model container [2024-11-14 02:44:41,936 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:44:41" (1/1) ... [2024-11-14 02:44:42,068 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:44:42,374 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_a2400762-d322-4bfd-af19-be7a4b424fb2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.3.prop1-func-interl.c[1169,1182] [2024-11-14 02:44:43,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:44:43,288 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:44:43,302 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_a2400762-d322-4bfd-af19-be7a4b424fb2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.3.prop1-func-interl.c[1169,1182] [2024-11-14 02:44:43,772 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:44:43,795 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:44:43,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:43 WrapperNode [2024-11-14 02:44:43,797 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:44:43,799 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:44:43,799 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:44:43,799 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:44:43,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:43" (1/1) ... [2024-11-14 02:44:43,998 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:43" (1/1) ... [2024-11-14 02:44:45,784 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11664 [2024-11-14 02:44:45,786 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:44:45,787 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:44:45,787 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:44:45,788 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:44:45,810 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:43" (1/1) ... [2024-11-14 02:44:45,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:43" (1/1) ... [2024-11-14 02:44:46,697 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:43" (1/1) ... [2024-11-14 02:44:46,698 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:43" (1/1) ... [2024-11-14 02:44:47,323 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:43" (1/1) ... [2024-11-14 02:44:47,426 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:43" (1/1) ... [2024-11-14 02:44:47,640 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:43" (1/1) ... [2024-11-14 02:44:47,700 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:43" (1/1) ... [2024-11-14 02:44:48,256 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:44:48,257 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:44:48,259 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:44:48,260 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:44:48,262 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:43" (1/1) ... [2024-11-14 02:44:48,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:44:48,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2400762-d322-4bfd-af19-be7a4b424fb2/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:44:48,311 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2400762-d322-4bfd-af19-be7a4b424fb2/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:44:48,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2400762-d322-4bfd-af19-be7a4b424fb2/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:44:48,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:44:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 02:44:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:44:48,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:44:49,416 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:44:49,419 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:45:15,335 INFO L? ?]: Removed 6657 outVars from TransFormulas that were not future-live. [2024-11-14 02:45:15,335 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:45:43,664 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:45:43,665 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 02:45:43,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:45:43 BoogieIcfgContainer [2024-11-14 02:45:43,666 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:45:43,669 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:45:43,669 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:45:43,675 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:45:43,675 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:44:41" (1/3) ... [2024-11-14 02:45:43,676 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6501eaaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:45:43, skipping insertion in model container [2024-11-14 02:45:43,676 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:43" (2/3) ... [2024-11-14 02:45:43,677 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6501eaaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:45:43, skipping insertion in model container [2024-11-14 02:45:43,677 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:45:43" (3/3) ... [2024-11-14 02:45:43,678 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.at.3.prop1-func-interl.c [2024-11-14 02:45:43,704 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:45:43,709 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.at.3.prop1-func-interl.c that has 1 procedures, 7 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 02:45:43,790 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:45:43,813 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;@724def85, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:45:43,813 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 02:45:43,818 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:45:43,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-14 02:45:43,827 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:45:43,828 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-14 02:45:43,828 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:45:43,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:45:43,837 INFO L85 PathProgramCache]: Analyzing trace with hash 597178934, now seen corresponding path program 1 times [2024-11-14 02:45:43,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:45:43,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899850872] [2024-11-14 02:45:43,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:45:43,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:45:45,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:45:45,516 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 02:45:46,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:45:46,425 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 02:45:46,427 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 02:45:46,430 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 02:45:46,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 02:45:46,443 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 02:45:46,545 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 02:45:46,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 02:45:46 BoogieIcfgContainer [2024-11-14 02:45:46,557 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 02:45:46,558 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 02:45:46,559 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 02:45:46,560 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 02:45:46,561 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:45:43" (3/4) ... [2024-11-14 02:45:46,565 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 02:45:46,566 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 02:45:46,569 INFO L158 Benchmark]: Toolchain (without parser) took 64645.98ms. Allocated memory was 117.4MB in the beginning and 9.1GB in the end (delta: 9.0GB). Free memory was 85.0MB in the beginning and 8.0GB in the end (delta: -7.9GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-11-14 02:45:46,573 INFO L158 Benchmark]: CDTParser took 1.73ms. Allocated memory is still 83.9MB. Free memory is still 39.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:45:46,574 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1873.65ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 85.0MB in the beginning and 177.7MB in the end (delta: -92.7MB). Peak memory consumption was 101.1MB. Max. memory is 16.1GB. [2024-11-14 02:45:46,574 INFO L158 Benchmark]: Boogie Procedure Inliner took 1987.61ms. Allocated memory was 260.0MB in the beginning and 755.0MB in the end (delta: 494.9MB). Free memory was 177.7MB in the beginning and 475.5MB in the end (delta: -297.8MB). Peak memory consumption was 226.0MB. Max. memory is 16.1GB. [2024-11-14 02:45:46,575 INFO L158 Benchmark]: Boogie Preprocessor took 2469.16ms. Allocated memory was 755.0MB in the beginning and 2.2GB in the end (delta: 1.4GB). Free memory was 475.5MB in the beginning and 1.9GB in the end (delta: -1.4GB). Peak memory consumption was 103.5MB. Max. memory is 16.1GB. [2024-11-14 02:45:46,575 INFO L158 Benchmark]: RCFGBuilder took 55408.09ms. Allocated memory was 2.2GB in the beginning and 9.1GB in the end (delta: 6.9GB). Free memory was 1.9GB in the beginning and 8.3GB in the end (delta: -6.4GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. [2024-11-14 02:45:46,576 INFO L158 Benchmark]: TraceAbstraction took 2888.48ms. Allocated memory is still 9.1GB. Free memory was 8.3GB in the beginning and 8.0GB in the end (delta: 268.4MB). Peak memory consumption was 268.4MB. Max. memory is 16.1GB. [2024-11-14 02:45:46,576 INFO L158 Benchmark]: Witness Printer took 8.56ms. Allocated memory is still 9.1GB. Free memory was 8.0GB in the beginning and 8.0GB in the end (delta: 2.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 02:45:46,583 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.73ms. Allocated memory is still 83.9MB. Free memory is still 39.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1873.65ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 85.0MB in the beginning and 177.7MB in the end (delta: -92.7MB). Peak memory consumption was 101.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1987.61ms. Allocated memory was 260.0MB in the beginning and 755.0MB in the end (delta: 494.9MB). Free memory was 177.7MB in the beginning and 475.5MB in the end (delta: -297.8MB). Peak memory consumption was 226.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 2469.16ms. Allocated memory was 755.0MB in the beginning and 2.2GB in the end (delta: 1.4GB). Free memory was 475.5MB in the beginning and 1.9GB in the end (delta: -1.4GB). Peak memory consumption was 103.5MB. Max. memory is 16.1GB. * RCFGBuilder took 55408.09ms. Allocated memory was 2.2GB in the beginning and 9.1GB in the end (delta: 6.9GB). Free memory was 1.9GB in the beginning and 8.3GB in the end (delta: -6.4GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. * TraceAbstraction took 2888.48ms. Allocated memory is still 9.1GB. Free memory was 8.3GB in the beginning and 8.0GB in the end (delta: 268.4MB). Peak memory consumption was 268.4MB. Max. memory is 16.1GB. * Witness Printer took 8.56ms. Allocated memory is still 9.1GB. Free memory was 8.0GB in the beginning and 8.0GB in the end (delta: 2.7kB). 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 bitwiseAnd at line 284, overapproximation of bitwiseAnd at line 109. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_2 var_5 = 0; [L39] const SORT_1 var_20 = 0; [L40] const SORT_4 var_121 = 1; [L41] const SORT_4 var_122 = 0; [L42] const SORT_2 var_134 = 3; [L43] const SORT_2 var_136 = 2; [L44] const SORT_2 var_138 = 1; [L45] const SORT_2 var_140 = 0; [L46] const SORT_2 var_146 = 255; [L47] const SORT_2 var_189 = 4; [L48] const SORT_3 var_193 = 0; [L49] const SORT_4 var_197 = 255; [L51] SORT_1 input_133; [L52] SORT_1 input_135; [L53] SORT_1 input_137; [L54] SORT_1 input_139; [L55] SORT_1 input_147; [L56] SORT_1 input_148; [L57] SORT_1 input_149; [L58] SORT_1 input_150; [L59] SORT_1 input_151; [L60] SORT_1 input_152; [L61] SORT_1 input_153; [L62] SORT_1 input_154; [L63] SORT_1 input_166; [L64] SORT_1 input_167; [L65] SORT_1 input_168; [L66] SORT_1 input_169; [L67] SORT_1 input_170; [L68] SORT_1 input_171; [L69] SORT_1 input_172; [L70] SORT_1 input_173; [L71] SORT_1 input_183; [L72] SORT_1 input_184; [L73] SORT_1 input_185; [L74] SORT_1 input_186; [L75] SORT_1 input_187; [L76] SORT_1 input_188; [L77] SORT_1 input_190; [L78] SORT_1 input_191; [L79] SORT_1 input_192; [L80] SORT_1 input_219; [L81] SORT_1 input_220; [L82] SORT_1 input_221; [L83] SORT_1 input_222; [L84] SORT_1 input_223; [L85] SORT_1 input_224; [L86] SORT_1 input_225; [L87] SORT_1 input_226; [L88] SORT_1 input_251; [L89] SORT_1 input_252; [L90] SORT_1 input_253; [L91] SORT_1 input_254; [L92] SORT_1 input_255; [L93] SORT_1 input_256; [L94] SORT_1 input_257; [L95] SORT_1 input_258; [L96] SORT_1 input_283; [L97] SORT_1 input_284; [L98] SORT_1 input_285; [L99] SORT_1 input_286; [L100] SORT_1 input_287; [L101] SORT_1 input_288; [L102] SORT_1 input_289; [L103] SORT_1 input_290; [L104] SORT_1 input_340; [L105] SORT_1 input_381; [L106] SORT_1 input_422; [L107] SORT_1 input_463; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L109] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L110] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L111] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L112] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L113] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L114] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L115] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L116] SORT_1 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L117] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L118] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L119] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L120] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L121] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L122] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L123] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L124] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L125] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L125] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L126] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L126] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L127] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L127] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L128] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L128] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L129] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L129] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L130] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L130] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L131] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L131] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L132] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L132] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L133] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L133] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L134] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L134] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L135] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L135] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L136] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L136] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L137] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L137] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L138] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L138] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L139] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L139] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L140] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L140] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L141] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L141] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L142] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L142] SORT_1 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L143] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L143] SORT_1 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L144] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L144] SORT_1 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L145] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L145] SORT_1 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L146] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L146] SORT_1 state_81 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L147] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L147] SORT_1 state_83 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L148] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L148] SORT_1 state_85 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L149] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L149] SORT_1 state_87 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L150] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L150] SORT_1 state_89 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L151] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L151] SORT_1 state_91 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L152] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L152] SORT_1 state_93 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L153] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L153] SORT_1 state_95 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L154] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L154] SORT_1 state_97 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L155] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L155] SORT_1 state_99 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L156] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L156] SORT_1 state_101 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L157] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L157] SORT_1 state_103 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L158] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L158] SORT_1 state_105 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L159] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L159] SORT_1 state_107 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L160] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L160] SORT_1 state_109 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L161] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L161] SORT_1 state_111 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L162] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L162] SORT_1 state_113 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L163] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L163] SORT_1 state_115 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L164] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L164] SORT_1 state_117 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L165] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L165] SORT_1 state_119 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L167] SORT_2 init_7_arg_1 = var_5; [L168] state_6 = init_7_arg_1 [L169] SORT_2 init_9_arg_1 = var_5; [L170] state_8 = init_9_arg_1 [L171] SORT_2 init_11_arg_1 = var_5; [L172] state_10 = init_11_arg_1 [L173] SORT_2 init_13_arg_1 = var_5; [L174] state_12 = init_13_arg_1 [L175] SORT_2 init_15_arg_1 = var_5; [L176] state_14 = init_15_arg_1 [L177] SORT_2 init_17_arg_1 = var_5; [L178] state_16 = init_17_arg_1 [L179] SORT_2 init_19_arg_1 = var_5; [L180] state_18 = init_19_arg_1 [L181] SORT_1 init_22_arg_1 = var_20; [L182] state_21 = init_22_arg_1 [L183] SORT_1 init_24_arg_1 = var_20; [L184] state_23 = init_24_arg_1 [L185] SORT_1 init_26_arg_1 = var_20; [L186] state_25 = init_26_arg_1 [L187] SORT_1 init_28_arg_1 = var_20; [L188] state_27 = init_28_arg_1 [L189] SORT_1 init_30_arg_1 = var_20; [L190] state_29 = init_30_arg_1 [L191] SORT_1 init_32_arg_1 = var_20; [L192] state_31 = init_32_arg_1 [L193] SORT_1 init_34_arg_1 = var_20; [L194] state_33 = init_34_arg_1 [L195] SORT_1 init_36_arg_1 = var_20; [L196] state_35 = init_36_arg_1 [L197] SORT_1 init_38_arg_1 = var_20; [L198] state_37 = init_38_arg_1 [L199] SORT_1 init_40_arg_1 = var_20; [L200] state_39 = init_40_arg_1 [L201] SORT_1 init_42_arg_1 = var_20; [L202] state_41 = init_42_arg_1 [L203] SORT_1 init_44_arg_1 = var_20; [L204] state_43 = init_44_arg_1 [L205] SORT_1 init_46_arg_1 = var_20; [L206] state_45 = init_46_arg_1 [L207] SORT_1 init_48_arg_1 = var_20; [L208] state_47 = init_48_arg_1 [L209] SORT_1 init_50_arg_1 = var_20; [L210] state_49 = init_50_arg_1 [L211] SORT_1 init_52_arg_1 = var_20; [L212] state_51 = init_52_arg_1 [L213] SORT_1 init_54_arg_1 = var_20; [L214] state_53 = init_54_arg_1 [L215] SORT_1 init_56_arg_1 = var_20; [L216] state_55 = init_56_arg_1 [L217] SORT_1 init_58_arg_1 = var_20; [L218] state_57 = init_58_arg_1 [L219] SORT_1 init_60_arg_1 = var_20; [L220] state_59 = init_60_arg_1 [L221] SORT_1 init_62_arg_1 = var_20; [L222] state_61 = init_62_arg_1 [L223] SORT_1 init_64_arg_1 = var_20; [L224] state_63 = init_64_arg_1 [L225] SORT_1 init_66_arg_1 = var_20; [L226] state_65 = init_66_arg_1 [L227] SORT_1 init_68_arg_1 = var_20; [L228] state_67 = init_68_arg_1 [L229] SORT_1 init_70_arg_1 = var_20; [L230] state_69 = init_70_arg_1 [L231] SORT_1 init_72_arg_1 = var_20; [L232] state_71 = init_72_arg_1 [L233] SORT_1 init_74_arg_1 = var_20; [L234] state_73 = init_74_arg_1 [L235] SORT_1 init_76_arg_1 = var_20; [L236] state_75 = init_76_arg_1 [L237] SORT_1 init_78_arg_1 = var_20; [L238] state_77 = init_78_arg_1 [L239] SORT_1 init_80_arg_1 = var_20; [L240] state_79 = init_80_arg_1 [L241] SORT_1 init_82_arg_1 = var_20; [L242] state_81 = init_82_arg_1 [L243] SORT_1 init_84_arg_1 = var_20; [L244] state_83 = init_84_arg_1 [L245] SORT_1 init_86_arg_1 = var_20; [L246] state_85 = init_86_arg_1 [L247] SORT_1 init_88_arg_1 = var_20; [L248] state_87 = init_88_arg_1 [L249] SORT_1 init_90_arg_1 = var_20; [L250] state_89 = init_90_arg_1 [L251] SORT_1 init_92_arg_1 = var_20; [L252] state_91 = init_92_arg_1 [L253] SORT_1 init_94_arg_1 = var_20; [L254] state_93 = init_94_arg_1 [L255] SORT_1 init_96_arg_1 = var_20; [L256] state_95 = init_96_arg_1 [L257] SORT_1 init_98_arg_1 = var_20; [L258] state_97 = init_98_arg_1 [L259] SORT_1 init_100_arg_1 = var_20; [L260] state_99 = init_100_arg_1 [L261] SORT_1 init_102_arg_1 = var_20; [L262] state_101 = init_102_arg_1 [L263] SORT_1 init_104_arg_1 = var_20; [L264] state_103 = init_104_arg_1 [L265] SORT_1 init_106_arg_1 = var_20; [L266] state_105 = init_106_arg_1 [L267] SORT_1 init_108_arg_1 = var_20; [L268] state_107 = init_108_arg_1 [L269] SORT_1 init_110_arg_1 = var_20; [L270] state_109 = init_110_arg_1 [L271] SORT_1 init_112_arg_1 = var_20; [L272] state_111 = init_112_arg_1 [L273] SORT_1 init_114_arg_1 = var_20; [L274] state_113 = init_114_arg_1 [L275] SORT_1 init_116_arg_1 = var_20; [L276] state_115 = init_116_arg_1 [L277] SORT_1 init_118_arg_1 = var_20; [L278] state_117 = init_118_arg_1 [L279] SORT_1 init_120_arg_1 = var_20; [L280] state_119 = init_120_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_101=0, state_103=0, state_105=0, state_107=0, state_109=0, state_10=0, state_111=0, state_113=0, state_115=0, state_117=0, state_119=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, state_91=0, state_93=0, state_95=0, state_97=0, state_99=0, var_121=1, var_122=0, var_134=3, var_136=2, var_138=1, var_140=0, var_146=255, var_189=4, var_193=0, var_197=255] [L283] input_133 = __VERIFIER_nondet_uchar() [L284] EXPR input_133 & mask_SORT_1 [L284] input_133 = input_133 & mask_SORT_1 [L285] input_135 = __VERIFIER_nondet_uchar() [L286] EXPR input_135 & mask_SORT_1 [L286] input_135 = input_135 & mask_SORT_1 [L287] input_137 = __VERIFIER_nondet_uchar() [L288] EXPR input_137 & mask_SORT_1 [L288] input_137 = input_137 & mask_SORT_1 [L289] input_139 = __VERIFIER_nondet_uchar() [L290] EXPR input_139 & mask_SORT_1 [L290] input_139 = input_139 & mask_SORT_1 [L291] input_147 = __VERIFIER_nondet_uchar() [L292] EXPR input_147 & mask_SORT_1 [L292] input_147 = input_147 & mask_SORT_1 [L293] input_148 = __VERIFIER_nondet_uchar() [L294] EXPR input_148 & mask_SORT_1 [L294] input_148 = input_148 & mask_SORT_1 [L295] input_149 = __VERIFIER_nondet_uchar() [L296] EXPR input_149 & mask_SORT_1 [L296] input_149 = input_149 & mask_SORT_1 [L297] input_150 = __VERIFIER_nondet_uchar() [L298] EXPR input_150 & mask_SORT_1 [L298] input_150 = input_150 & mask_SORT_1 [L299] input_151 = __VERIFIER_nondet_uchar() [L300] EXPR input_151 & mask_SORT_1 [L300] input_151 = input_151 & mask_SORT_1 [L301] input_152 = __VERIFIER_nondet_uchar() [L302] EXPR input_152 & mask_SORT_1 [L302] input_152 = input_152 & mask_SORT_1 [L303] input_153 = __VERIFIER_nondet_uchar() [L304] EXPR input_153 & mask_SORT_1 [L304] input_153 = input_153 & mask_SORT_1 [L305] input_154 = __VERIFIER_nondet_uchar() [L306] EXPR input_154 & mask_SORT_1 [L306] input_154 = input_154 & mask_SORT_1 [L307] input_166 = __VERIFIER_nondet_uchar() [L308] EXPR input_166 & mask_SORT_1 [L308] input_166 = input_166 & mask_SORT_1 [L309] input_167 = __VERIFIER_nondet_uchar() [L310] EXPR input_167 & mask_SORT_1 [L310] input_167 = input_167 & mask_SORT_1 [L311] input_168 = __VERIFIER_nondet_uchar() [L312] EXPR input_168 & mask_SORT_1 [L312] input_168 = input_168 & mask_SORT_1 [L313] input_169 = __VERIFIER_nondet_uchar() [L314] EXPR input_169 & mask_SORT_1 [L314] input_169 = input_169 & mask_SORT_1 [L315] input_170 = __VERIFIER_nondet_uchar() [L316] EXPR input_170 & mask_SORT_1 [L316] input_170 = input_170 & mask_SORT_1 [L317] input_171 = __VERIFIER_nondet_uchar() [L318] EXPR input_171 & mask_SORT_1 [L318] input_171 = input_171 & mask_SORT_1 [L319] input_172 = __VERIFIER_nondet_uchar() [L320] EXPR input_172 & mask_SORT_1 [L320] input_172 = input_172 & mask_SORT_1 [L321] input_173 = __VERIFIER_nondet_uchar() [L322] EXPR input_173 & mask_SORT_1 [L322] input_173 = input_173 & mask_SORT_1 [L323] input_183 = __VERIFIER_nondet_uchar() [L324] EXPR input_183 & mask_SORT_1 [L324] input_183 = input_183 & mask_SORT_1 [L325] input_184 = __VERIFIER_nondet_uchar() [L326] EXPR input_184 & mask_SORT_1 [L326] input_184 = input_184 & mask_SORT_1 [L327] input_185 = __VERIFIER_nondet_uchar() [L328] EXPR input_185 & mask_SORT_1 [L328] input_185 = input_185 & mask_SORT_1 [L329] input_186 = __VERIFIER_nondet_uchar() [L330] EXPR input_186 & mask_SORT_1 [L330] input_186 = input_186 & mask_SORT_1 [L331] input_187 = __VERIFIER_nondet_uchar() [L332] EXPR input_187 & mask_SORT_1 [L332] input_187 = input_187 & mask_SORT_1 [L333] input_188 = __VERIFIER_nondet_uchar() [L334] EXPR input_188 & mask_SORT_1 [L334] input_188 = input_188 & mask_SORT_1 [L335] input_190 = __VERIFIER_nondet_uchar() [L336] EXPR input_190 & mask_SORT_1 [L336] input_190 = input_190 & mask_SORT_1 [L337] input_191 = __VERIFIER_nondet_uchar() [L338] EXPR input_191 & mask_SORT_1 [L338] input_191 = input_191 & mask_SORT_1 [L339] input_192 = __VERIFIER_nondet_uchar() [L340] EXPR input_192 & mask_SORT_1 [L340] input_192 = input_192 & mask_SORT_1 [L341] input_219 = __VERIFIER_nondet_uchar() [L342] EXPR input_219 & mask_SORT_1 [L342] input_219 = input_219 & mask_SORT_1 [L343] input_220 = __VERIFIER_nondet_uchar() [L344] EXPR input_220 & mask_SORT_1 [L344] input_220 = input_220 & mask_SORT_1 [L345] input_221 = __VERIFIER_nondet_uchar() [L346] EXPR input_221 & mask_SORT_1 [L346] input_221 = input_221 & mask_SORT_1 [L347] input_222 = __VERIFIER_nondet_uchar() [L348] EXPR input_222 & mask_SORT_1 [L348] input_222 = input_222 & mask_SORT_1 [L349] input_223 = __VERIFIER_nondet_uchar() [L350] EXPR input_223 & mask_SORT_1 [L350] input_223 = input_223 & mask_SORT_1 [L351] input_224 = __VERIFIER_nondet_uchar() [L352] EXPR input_224 & mask_SORT_1 [L352] input_224 = input_224 & mask_SORT_1 [L353] input_225 = __VERIFIER_nondet_uchar() [L354] EXPR input_225 & mask_SORT_1 [L354] input_225 = input_225 & mask_SORT_1 [L355] input_226 = __VERIFIER_nondet_uchar() [L356] EXPR input_226 & mask_SORT_1 [L356] input_226 = input_226 & mask_SORT_1 [L357] input_251 = __VERIFIER_nondet_uchar() [L358] EXPR input_251 & mask_SORT_1 [L358] input_251 = input_251 & mask_SORT_1 [L359] input_252 = __VERIFIER_nondet_uchar() [L360] EXPR input_252 & mask_SORT_1 [L360] input_252 = input_252 & mask_SORT_1 [L361] input_253 = __VERIFIER_nondet_uchar() [L362] EXPR input_253 & mask_SORT_1 [L362] input_253 = input_253 & mask_SORT_1 [L363] input_254 = __VERIFIER_nondet_uchar() [L364] EXPR input_254 & mask_SORT_1 [L364] input_254 = input_254 & mask_SORT_1 [L365] input_255 = __VERIFIER_nondet_uchar() [L366] EXPR input_255 & mask_SORT_1 [L366] input_255 = input_255 & mask_SORT_1 [L367] input_256 = __VERIFIER_nondet_uchar() [L368] EXPR input_256 & mask_SORT_1 [L368] input_256 = input_256 & mask_SORT_1 [L369] input_257 = __VERIFIER_nondet_uchar() [L370] EXPR input_257 & mask_SORT_1 [L370] input_257 = input_257 & mask_SORT_1 [L371] input_258 = __VERIFIER_nondet_uchar() [L372] EXPR input_258 & mask_SORT_1 [L372] input_258 = input_258 & mask_SORT_1 [L373] input_283 = __VERIFIER_nondet_uchar() [L374] EXPR input_283 & mask_SORT_1 [L374] input_283 = input_283 & mask_SORT_1 [L375] input_284 = __VERIFIER_nondet_uchar() [L376] EXPR input_284 & mask_SORT_1 [L376] input_284 = input_284 & mask_SORT_1 [L377] input_285 = __VERIFIER_nondet_uchar() [L378] EXPR input_285 & mask_SORT_1 [L378] input_285 = input_285 & mask_SORT_1 [L379] input_286 = __VERIFIER_nondet_uchar() [L380] EXPR input_286 & mask_SORT_1 [L380] input_286 = input_286 & mask_SORT_1 [L381] input_287 = __VERIFIER_nondet_uchar() [L382] EXPR input_287 & mask_SORT_1 [L382] input_287 = input_287 & mask_SORT_1 [L383] input_288 = __VERIFIER_nondet_uchar() [L384] EXPR input_288 & mask_SORT_1 [L384] input_288 = input_288 & mask_SORT_1 [L385] input_289 = __VERIFIER_nondet_uchar() [L386] EXPR input_289 & mask_SORT_1 [L386] input_289 = input_289 & mask_SORT_1 [L387] input_290 = __VERIFIER_nondet_uchar() [L388] EXPR input_290 & mask_SORT_1 [L388] input_290 = input_290 & mask_SORT_1 [L389] input_340 = __VERIFIER_nondet_uchar() [L390] input_381 = __VERIFIER_nondet_uchar() [L391] input_422 = __VERIFIER_nondet_uchar() [L392] input_463 = __VERIFIER_nondet_uchar() [L395] SORT_1 var_123_arg_0 = state_41; [L396] SORT_4 var_123_arg_1 = var_121; [L397] SORT_4 var_123_arg_2 = var_122; [L398] SORT_4 var_123 = var_123_arg_0 ? var_123_arg_1 : var_123_arg_2; [L399] SORT_1 var_124_arg_0 = state_65; [L400] SORT_4 var_124_arg_1 = var_121; [L401] SORT_4 var_124_arg_2 = var_122; [L402] SORT_4 var_124 = var_124_arg_0 ? var_124_arg_1 : var_124_arg_2; [L403] SORT_4 var_125_arg_0 = var_123; [L404] SORT_4 var_125_arg_1 = var_124; [L405] SORT_4 var_125 = var_125_arg_0 + var_125_arg_1; [L406] SORT_1 var_126_arg_0 = state_89; [L407] SORT_4 var_126_arg_1 = var_121; [L408] SORT_4 var_126_arg_2 = var_122; [L409] SORT_4 var_126 = var_126_arg_0 ? var_126_arg_1 : var_126_arg_2; [L410] SORT_4 var_127_arg_0 = var_125; [L411] SORT_4 var_127_arg_1 = var_126; [L412] SORT_4 var_127 = var_127_arg_0 + var_127_arg_1; [L413] SORT_1 var_128_arg_0 = state_113; [L414] SORT_4 var_128_arg_1 = var_121; [L415] SORT_4 var_128_arg_2 = var_122; [L416] SORT_4 var_128 = var_128_arg_0 ? var_128_arg_1 : var_128_arg_2; [L417] SORT_4 var_129_arg_0 = var_127; [L418] SORT_4 var_129_arg_1 = var_128; [L419] SORT_4 var_129 = var_129_arg_0 + var_129_arg_1; [L420] EXPR var_129 & mask_SORT_4 [L420] var_129 = var_129 & mask_SORT_4 [L421] SORT_4 var_130_arg_0 = var_129; [L422] SORT_4 var_130_arg_1 = var_121; [L423] SORT_1 var_130 = var_130_arg_0 <= var_130_arg_1; [L424] SORT_1 var_131_arg_0 = ~state_119; [L425] EXPR var_131_arg_0 & mask_SORT_1 [L425] var_131_arg_0 = var_131_arg_0 & mask_SORT_1 [L426] SORT_1 var_131_arg_1 = ~var_130; [L427] EXPR var_131_arg_1 & mask_SORT_1 [L427] var_131_arg_1 = var_131_arg_1 & mask_SORT_1 [L428] EXPR var_131_arg_0 & var_131_arg_1 [L428] SORT_1 var_131 = var_131_arg_0 & var_131_arg_1; [L429] EXPR var_131 & mask_SORT_1 [L429] var_131 = var_131 & mask_SORT_1 [L430] SORT_1 bad_132_arg_0 = var_131; [L431] CALL __VERIFIER_assert(!(bad_132_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: 2.7s, 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, 1.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 02:45:46,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2400762-d322-4bfd-af19-be7a4b424fb2/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_a2400762-d322-4bfd-af19-be7a4b424fb2/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2400762-d322-4bfd-af19-be7a4b424fb2/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_a2400762-d322-4bfd-af19-be7a4b424fb2/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2400762-d322-4bfd-af19-be7a4b424fb2/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.3.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2400762-d322-4bfd-af19-be7a4b424fb2/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_a2400762-d322-4bfd-af19-be7a4b424fb2/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 8dc208a2665260fe26c599d2b12cd2ae6dba736ba9ceb60f2adfcbbfeecc6a5c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:45:50,208 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:45:50,397 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2400762-d322-4bfd-af19-be7a4b424fb2/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-14 02:45:50,409 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:45:50,410 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:45:50,440 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:45:50,441 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:45:50,441 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:45:50,442 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:45:50,442 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:45:50,442 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:45:50,442 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:45:50,442 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:45:50,442 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:45:50,443 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:45:50,443 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:45:50,443 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:45:50,443 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 02:45:50,443 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:45:50,444 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 02:45:50,444 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:45:50,444 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 02:45:50,445 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 02:45:50,445 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 02:45:50,445 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:45:50,447 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 02:45:50,448 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 02:45:50,448 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:45:50,448 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:45:50,448 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 02:45:50,448 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:45:50,448 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:45:50,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:45:50,449 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:45:50,449 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:45:50,449 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 02:45:50,449 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 02:45:50,449 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 02:45:50,449 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:45:50,449 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:45:50,449 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_a2400762-d322-4bfd-af19-be7a4b424fb2/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 -> 8dc208a2665260fe26c599d2b12cd2ae6dba736ba9ceb60f2adfcbbfeecc6a5c [2024-11-14 02:45:50,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:45:50,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:45:50,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:45:50,900 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:45:50,901 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:45:50,904 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2400762-d322-4bfd-af19-be7a4b424fb2/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.3.prop1-func-interl.c Unable to find full path for "g++" [2024-11-14 02:45:53,317 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:45:54,002 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:45:54,003 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2400762-d322-4bfd-af19-be7a4b424fb2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.3.prop1-func-interl.c [2024-11-14 02:45:54,043 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2400762-d322-4bfd-af19-be7a4b424fb2/bin/utaipan-verify-sOmjnqqW8E/data/7d1ae76b5/a963a9a8b51e4151ae55aef5ff6225c5/FLAGd4bb6b4ca [2024-11-14 02:45:54,079 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2400762-d322-4bfd-af19-be7a4b424fb2/bin/utaipan-verify-sOmjnqqW8E/data/7d1ae76b5/a963a9a8b51e4151ae55aef5ff6225c5 [2024-11-14 02:45:54,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:45:54,085 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:45:54,086 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:45:54,087 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:45:54,093 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:45:54,094 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:45:54" (1/1) ... [2024-11-14 02:45:54,096 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4774eb7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:54, skipping insertion in model container [2024-11-14 02:45:54,098 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:45:54" (1/1) ... [2024-11-14 02:45:54,245 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:45:54,574 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_a2400762-d322-4bfd-af19-be7a4b424fb2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.3.prop1-func-interl.c[1169,1182] [2024-11-14 02:45:55,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:45:55,255 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:45:55,272 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_a2400762-d322-4bfd-af19-be7a4b424fb2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.3.prop1-func-interl.c[1169,1182] [2024-11-14 02:45:55,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:45:55,637 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:45:55,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:55 WrapperNode [2024-11-14 02:45:55,638 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:45:55,640 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:45:55,640 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:45:55,640 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:45:55,650 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:55" (1/1) ... [2024-11-14 02:45:55,729 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:55" (1/1) ... [2024-11-14 02:45:55,936 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3516 [2024-11-14 02:45:55,936 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:45:55,937 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:45:55,937 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:45:55,937 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:45:55,948 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:55" (1/1) ... [2024-11-14 02:45:55,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:55" (1/1) ... [2024-11-14 02:45:55,990 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:55" (1/1) ... [2024-11-14 02:45:55,990 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:55" (1/1) ... [2024-11-14 02:45:56,196 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:55" (1/1) ... [2024-11-14 02:45:56,214 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:55" (1/1) ... [2024-11-14 02:45:56,235 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:55" (1/1) ... [2024-11-14 02:45:56,248 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:55" (1/1) ... [2024-11-14 02:45:56,276 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:45:56,277 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:45:56,277 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:45:56,277 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:45:56,279 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:55" (1/1) ... [2024-11-14 02:45:56,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:45:56,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2400762-d322-4bfd-af19-be7a4b424fb2/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:45:56,321 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2400762-d322-4bfd-af19-be7a4b424fb2/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:45:56,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2400762-d322-4bfd-af19-be7a4b424fb2/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:45:56,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:45:56,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 02:45:56,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:45:56,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:45:57,306 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:45:57,308 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:46:04,020 INFO L? ?]: Removed 158 outVars from TransFormulas that were not future-live. [2024-11-14 02:46:04,020 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:46:04,032 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:46:04,032 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 02:46:04,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:46:04 BoogieIcfgContainer [2024-11-14 02:46:04,033 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:46:04,037 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:46:04,037 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:46:04,046 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:46:04,046 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:45:54" (1/3) ... [2024-11-14 02:46:04,047 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6259e2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:46:04, skipping insertion in model container [2024-11-14 02:46:04,047 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:55" (2/3) ... [2024-11-14 02:46:04,048 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6259e2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:46:04, skipping insertion in model container [2024-11-14 02:46:04,048 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:46:04" (3/3) ... [2024-11-14 02:46:04,049 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.at.3.prop1-func-interl.c [2024-11-14 02:46:04,070 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:46:04,072 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.at.3.prop1-func-interl.c that has 1 procedures, 10 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 02:46:04,145 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:46:04,165 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;@7b6ec5c3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:46:04,165 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 02:46:04,171 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:46:04,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-14 02:46:04,180 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:46:04,181 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-14 02:46:04,181 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:46:04,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:46:04,188 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-14 02:46:04,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:46:04,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2110523979] [2024-11-14 02:46:04,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:46:04,205 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 02:46:04,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2400762-d322-4bfd-af19-be7a4b424fb2/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:46:04,208 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2400762-d322-4bfd-af19-be7a4b424fb2/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 02:46:04,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2400762-d322-4bfd-af19-be7a4b424fb2/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-14 02:46:05,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:46:05,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-14 02:46:05,380 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:46:06,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 02:46:06,065 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:46:06,066 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:46:06,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2110523979] [2024-11-14 02:46:06,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2110523979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:46:06,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:46:06,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 02:46:06,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183066566] [2024-11-14 02:46:06,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:46:06,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 02:46:06,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:46:06,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 02:46:06,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 02:46:06,114 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:46:06,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:46:06,608 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-14 02:46:06,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 02:46:06,611 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-14 02:46:06,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:46:06,620 INFO L225 Difference]: With dead ends: 18 [2024-11-14 02:46:06,621 INFO L226 Difference]: Without dead ends: 10 [2024-11-14 02:46:06,624 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 02:46:06,629 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 02:46:06,631 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 02:46:06,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-14 02:46:06,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-14 02:46:06,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:46:06,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-14 02:46:06,673 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-14 02:46:06,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:46:06,674 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-14 02:46:06,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:46:06,675 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-14 02:46:06,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-14 02:46:06,676 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:46:06,676 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-14 02:46:06,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2400762-d322-4bfd-af19-be7a4b424fb2/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-14 02:46:06,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2400762-d322-4bfd-af19-be7a4b424fb2/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 02:46:06,877 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:46:06,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:46:06,878 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-14 02:46:06,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:46:06,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [515547160] [2024-11-14 02:46:06,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:46:06,881 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 02:46:06,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2400762-d322-4bfd-af19-be7a4b424fb2/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:46:06,883 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2400762-d322-4bfd-af19-be7a4b424fb2/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 02:46:06,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2400762-d322-4bfd-af19-be7a4b424fb2/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-14 02:46:08,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:46:08,631 INFO L255 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 62 conjuncts are in the unsatisfiable core [2024-11-14 02:46:08,680 INFO L278 TraceCheckSpWp]: Computing forward predicates...