./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peg_solitaire.1.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_6f9583f0-1e08-4377-a3c2-1081af380dc7/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9583f0-1e08-4377-a3c2-1081af380dc7/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_6f9583f0-1e08-4377-a3c2-1081af380dc7/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9583f0-1e08-4377-a3c2-1081af380dc7/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peg_solitaire.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9583f0-1e08-4377-a3c2-1081af380dc7/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_6f9583f0-1e08-4377-a3c2-1081af380dc7/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 f3651df43eadd796c0cc9773210da2768d88da1830d677872c83040231c1e758 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:30:35,336 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:30:35,433 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9583f0-1e08-4377-a3c2-1081af380dc7/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 04:30:35,439 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:30:35,439 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:30:35,467 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:30:35,468 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:30:35,468 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:30:35,468 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:30:35,469 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:30:35,471 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:30:35,471 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:30:35,471 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:30:35,472 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:30:35,472 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:30:35,473 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:30:35,474 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:30:35,474 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:30:35,474 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:30:35,474 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:30:35,474 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:30:35,474 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:30:35,475 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:30:35,475 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:30:35,475 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:30:35,475 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:30:35,475 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:30:35,475 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:30:35,476 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:30:35,476 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:30:35,476 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:30:35,476 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:30:35,476 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:30:35,477 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:30:35,477 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:30:35,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:30:35,478 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:30:35,478 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:30:35,478 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:30:35,479 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:30:35,479 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:30:35,479 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:30:35,479 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:30:35,479 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:30:35,479 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_6f9583f0-1e08-4377-a3c2-1081af380dc7/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 -> f3651df43eadd796c0cc9773210da2768d88da1830d677872c83040231c1e758 [2024-11-14 04:30:35,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:30:35,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:30:35,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:30:35,865 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:30:35,865 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:30:35,868 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9583f0-1e08-4377-a3c2-1081af380dc7/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peg_solitaire.1.prop1-func-interl.c Unable to find full path for "g++" [2024-11-14 04:30:37,914 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:30:38,416 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:30:38,416 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9583f0-1e08-4377-a3c2-1081af380dc7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peg_solitaire.1.prop1-func-interl.c [2024-11-14 04:30:38,443 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9583f0-1e08-4377-a3c2-1081af380dc7/bin/utaipan-verify-sOmjnqqW8E/data/43d19f229/3888ed3015434b79bb66b0a47a97e088/FLAG6597402e7 [2024-11-14 04:30:38,460 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9583f0-1e08-4377-a3c2-1081af380dc7/bin/utaipan-verify-sOmjnqqW8E/data/43d19f229/3888ed3015434b79bb66b0a47a97e088 [2024-11-14 04:30:38,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:30:38,464 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:30:38,466 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:30:38,466 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:30:38,471 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:30:38,472 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:30:38" (1/1) ... [2024-11-14 04:30:38,473 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e6dd1f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:38, skipping insertion in model container [2024-11-14 04:30:38,473 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:30:38" (1/1) ... [2024-11-14 04:30:38,563 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:30:38,818 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_6f9583f0-1e08-4377-a3c2-1081af380dc7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peg_solitaire.1.prop1-func-interl.c[1180,1193] [2024-11-14 04:30:39,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:30:39,425 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:30:39,440 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_6f9583f0-1e08-4377-a3c2-1081af380dc7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peg_solitaire.1.prop1-func-interl.c[1180,1193] [2024-11-14 04:30:39,769 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:30:39,787 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:30:39,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:39 WrapperNode [2024-11-14 04:30:39,789 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:30:39,790 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:30:39,790 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:30:39,790 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:30:39,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:39" (1/1) ... [2024-11-14 04:30:39,895 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:39" (1/1) ... [2024-11-14 04:30:40,791 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 7428 [2024-11-14 04:30:40,792 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:30:40,793 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:30:40,793 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:30:40,793 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:30:40,800 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:39" (1/1) ... [2024-11-14 04:30:40,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:39" (1/1) ... [2024-11-14 04:30:41,113 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:39" (1/1) ... [2024-11-14 04:30:41,114 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:39" (1/1) ... [2024-11-14 04:30:41,430 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:39" (1/1) ... [2024-11-14 04:30:41,498 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:39" (1/1) ... [2024-11-14 04:30:41,635 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:39" (1/1) ... [2024-11-14 04:30:41,677 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:39" (1/1) ... [2024-11-14 04:30:41,872 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:30:41,874 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:30:41,875 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:30:41,875 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:30:41,876 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:39" (1/1) ... [2024-11-14 04:30:41,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:30:41,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9583f0-1e08-4377-a3c2-1081af380dc7/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:30:41,922 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9583f0-1e08-4377-a3c2-1081af380dc7/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:30:42,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9583f0-1e08-4377-a3c2-1081af380dc7/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:30:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:30:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:30:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:30:42,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:30:42,784 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:30:42,786 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:30:56,684 INFO L? ?]: Removed 4464 outVars from TransFormulas that were not future-live. [2024-11-14 04:30:56,685 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:31:09,078 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:31:09,078 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:31:09,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:31:09 BoogieIcfgContainer [2024-11-14 04:31:09,079 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:31:09,083 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:31:09,087 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:31:09,098 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:31:09,098 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:30:38" (1/3) ... [2024-11-14 04:31:09,099 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e3d234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:31:09, skipping insertion in model container [2024-11-14 04:31:09,103 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:39" (2/3) ... [2024-11-14 04:31:09,103 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e3d234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:31:09, skipping insertion in model container [2024-11-14 04:31:09,103 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:31:09" (3/3) ... [2024-11-14 04:31:09,105 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.peg_solitaire.1.prop1-func-interl.c [2024-11-14 04:31:09,135 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:31:09,138 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.peg_solitaire.1.prop1-func-interl.c that has 1 procedures, 7 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:31:09,212 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:31:09,233 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;@60a2155f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:31:09,235 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:31:09,241 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 04:31:09,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-14 04:31:09,250 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:31:09,251 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-14 04:31:09,252 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:31:09,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:31:09,257 INFO L85 PathProgramCache]: Analyzing trace with hash 354533692, now seen corresponding path program 1 times [2024-11-14 04:31:09,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:31:09,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559008137] [2024-11-14 04:31:09,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:31:09,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:31:10,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:31:10,122 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:31:10,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:31:10,794 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 04:31:10,796 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:31:10,798 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:31:10,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:31:10,809 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 04:31:10,865 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:31:10,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:31:10 BoogieIcfgContainer [2024-11-14 04:31:10,870 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:31:10,871 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:31:10,871 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:31:10,871 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:31:10,875 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:31:09" (3/4) ... [2024-11-14 04:31:10,877 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:31:10,878 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:31:10,879 INFO L158 Benchmark]: Toolchain (without parser) took 32414.67ms. Allocated memory was 142.6MB in the beginning and 5.4GB in the end (delta: 5.3GB). Free memory was 115.5MB in the beginning and 4.4GB in the end (delta: -4.2GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-11-14 04:31:10,879 INFO L158 Benchmark]: CDTParser took 1.07ms. Allocated memory is still 142.6MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:31:10,882 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1323.78ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 115.2MB in the beginning and 364.4MB in the end (delta: -249.2MB). Peak memory consumption was 85.8MB. Max. memory is 16.1GB. [2024-11-14 04:31:10,883 INFO L158 Benchmark]: Boogie Procedure Inliner took 1002.04ms. Allocated memory is still 427.8MB. Free memory was 364.4MB in the beginning and 235.1MB in the end (delta: 129.3MB). Peak memory consumption was 189.2MB. Max. memory is 16.1GB. [2024-11-14 04:31:10,883 INFO L158 Benchmark]: Boogie Preprocessor took 1079.98ms. Allocated memory was 427.8MB in the beginning and 1.3GB in the end (delta: 855.6MB). Free memory was 235.1MB in the beginning and 1.1GB in the end (delta: -823.9MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. [2024-11-14 04:31:10,883 INFO L158 Benchmark]: RCFGBuilder took 27205.24ms. Allocated memory was 1.3GB in the beginning and 5.4GB in the end (delta: 4.1GB). Free memory was 1.1GB in the beginning and 4.5GB in the end (delta: -3.4GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2024-11-14 04:31:10,886 INFO L158 Benchmark]: TraceAbstraction took 1787.50ms. Allocated memory is still 5.4GB. Free memory was 4.5GB in the beginning and 4.4GB in the end (delta: 138.7MB). Peak memory consumption was 134.2MB. Max. memory is 16.1GB. [2024-11-14 04:31:10,886 INFO L158 Benchmark]: Witness Printer took 7.44ms. Allocated memory is still 5.4GB. Free memory is still 4.4GB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:31:10,889 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.07ms. Allocated memory is still 142.6MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1323.78ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 115.2MB in the beginning and 364.4MB in the end (delta: -249.2MB). Peak memory consumption was 85.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1002.04ms. Allocated memory is still 427.8MB. Free memory was 364.4MB in the beginning and 235.1MB in the end (delta: 129.3MB). Peak memory consumption was 189.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1079.98ms. Allocated memory was 427.8MB in the beginning and 1.3GB in the end (delta: 855.6MB). Free memory was 235.1MB in the beginning and 1.1GB in the end (delta: -823.9MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. * RCFGBuilder took 27205.24ms. Allocated memory was 1.3GB in the beginning and 5.4GB in the end (delta: 4.1GB). Free memory was 1.1GB in the beginning and 4.5GB in the end (delta: -3.4GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. * TraceAbstraction took 1787.50ms. Allocated memory is still 5.4GB. Free memory was 4.5GB in the beginning and 4.4GB in the end (delta: 138.7MB). Peak memory consumption was 134.2MB. Max. memory is 16.1GB. * Witness Printer took 7.44ms. Allocated memory is still 5.4GB. Free memory is still 4.4GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 255, overapproximation of bitwiseAnd at line 95, overapproximation of bitwiseAnd at line 156. 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_40 = 0; [L40] const SORT_2 var_45 = 1; [L41] const SORT_2 var_46 = 15; [L42] const SORT_2 var_53 = 0; [L43] const SORT_3 var_290 = 0; [L44] const SORT_4 var_292 = 1; [L46] SORT_1 input_51; [L47] SORT_1 input_52; [L48] SORT_1 input_54; [L49] SORT_1 input_55; [L50] SORT_1 input_56; [L51] SORT_1 input_57; [L52] SORT_1 input_67; [L53] SORT_1 input_68; [L54] SORT_1 input_69; [L55] SORT_1 input_70; [L56] SORT_1 input_71; [L57] SORT_1 input_72; [L58] SORT_1 input_84; [L59] SORT_1 input_85; [L60] SORT_1 input_86; [L61] SORT_1 input_87; [L62] SORT_1 input_99; [L63] SORT_1 input_100; [L64] SORT_1 input_101; [L65] SORT_1 input_102; [L66] SORT_1 input_112; [L67] SORT_1 input_113; [L68] SORT_1 input_114; [L69] SORT_1 input_115; [L70] SORT_1 input_116; [L71] SORT_1 input_117; [L72] SORT_1 input_129; [L73] SORT_1 input_130; [L74] SORT_1 input_131; [L75] SORT_1 input_132; [L76] SORT_1 input_133; [L77] SORT_1 input_134; [L78] SORT_1 input_152; [L79] SORT_1 input_153; [L80] SORT_1 input_154; [L81] SORT_1 input_155; [L82] SORT_1 input_173; [L83] SORT_1 input_174; [L84] SORT_1 input_175; [L85] SORT_1 input_176; [L86] SORT_1 input_188; [L87] SORT_1 input_189; [L88] SORT_1 input_201; [L89] SORT_1 input_202; [L90] SORT_1 input_248; [L91] SORT_1 input_249; [L92] SORT_1 input_259; [L93] SORT_1 input_260; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L95] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L96] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L97] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L98] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L99] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L100] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L101] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L102] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L103] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L104] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L105] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L106] SORT_2 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L107] SORT_2 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L108] SORT_2 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L109] SORT_2 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L110] SORT_2 state_36 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L111] SORT_2 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L112] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L113] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L115] SORT_2 init_7_arg_1 = var_5; [L116] state_6 = init_7_arg_1 [L117] SORT_2 init_9_arg_1 = var_5; [L118] state_8 = init_9_arg_1 [L119] SORT_2 init_11_arg_1 = var_5; [L120] state_10 = init_11_arg_1 [L121] SORT_2 init_13_arg_1 = var_5; [L122] state_12 = init_13_arg_1 [L123] SORT_2 init_15_arg_1 = var_5; [L124] state_14 = init_15_arg_1 [L125] SORT_2 init_17_arg_1 = var_5; [L126] state_16 = init_17_arg_1 [L127] SORT_2 init_19_arg_1 = var_5; [L128] state_18 = init_19_arg_1 [L129] SORT_2 init_21_arg_1 = var_5; [L130] state_20 = init_21_arg_1 [L131] SORT_2 init_23_arg_1 = var_5; [L132] state_22 = init_23_arg_1 [L133] SORT_2 init_25_arg_1 = var_5; [L134] state_24 = init_25_arg_1 [L135] SORT_2 init_27_arg_1 = var_5; [L136] state_26 = init_27_arg_1 [L137] SORT_2 init_29_arg_1 = var_5; [L138] state_28 = init_29_arg_1 [L139] SORT_2 init_31_arg_1 = var_5; [L140] state_30 = init_31_arg_1 [L141] SORT_2 init_33_arg_1 = var_5; [L142] state_32 = init_33_arg_1 [L143] SORT_2 init_35_arg_1 = var_5; [L144] state_34 = init_35_arg_1 [L145] SORT_2 init_37_arg_1 = var_5; [L146] state_36 = init_37_arg_1 [L147] SORT_2 init_39_arg_1 = var_5; [L148] state_38 = init_39_arg_1 [L149] SORT_1 init_42_arg_1 = var_40; [L150] state_41 = init_42_arg_1 [L151] SORT_1 init_44_arg_1 = var_40; [L152] state_43 = init_44_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_41=0, state_43=0, state_6=0, state_8=0, var_290=0, var_292=1, var_45=1, var_46=15, var_53=0] [L155] input_51 = __VERIFIER_nondet_uchar() [L156] EXPR input_51 & mask_SORT_1 [L156] input_51 = input_51 & mask_SORT_1 [L157] input_52 = __VERIFIER_nondet_uchar() [L158] EXPR input_52 & mask_SORT_1 [L158] input_52 = input_52 & mask_SORT_1 [L159] input_54 = __VERIFIER_nondet_uchar() [L160] EXPR input_54 & mask_SORT_1 [L160] input_54 = input_54 & mask_SORT_1 [L161] input_55 = __VERIFIER_nondet_uchar() [L162] EXPR input_55 & mask_SORT_1 [L162] input_55 = input_55 & mask_SORT_1 [L163] input_56 = __VERIFIER_nondet_uchar() [L164] EXPR input_56 & mask_SORT_1 [L164] input_56 = input_56 & mask_SORT_1 [L165] input_57 = __VERIFIER_nondet_uchar() [L166] EXPR input_57 & mask_SORT_1 [L166] input_57 = input_57 & mask_SORT_1 [L167] input_67 = __VERIFIER_nondet_uchar() [L168] EXPR input_67 & mask_SORT_1 [L168] input_67 = input_67 & mask_SORT_1 [L169] input_68 = __VERIFIER_nondet_uchar() [L170] EXPR input_68 & mask_SORT_1 [L170] input_68 = input_68 & mask_SORT_1 [L171] input_69 = __VERIFIER_nondet_uchar() [L172] EXPR input_69 & mask_SORT_1 [L172] input_69 = input_69 & mask_SORT_1 [L173] input_70 = __VERIFIER_nondet_uchar() [L174] EXPR input_70 & mask_SORT_1 [L174] input_70 = input_70 & mask_SORT_1 [L175] input_71 = __VERIFIER_nondet_uchar() [L176] EXPR input_71 & mask_SORT_1 [L176] input_71 = input_71 & mask_SORT_1 [L177] input_72 = __VERIFIER_nondet_uchar() [L178] EXPR input_72 & mask_SORT_1 [L178] input_72 = input_72 & mask_SORT_1 [L179] input_84 = __VERIFIER_nondet_uchar() [L180] EXPR input_84 & mask_SORT_1 [L180] input_84 = input_84 & mask_SORT_1 [L181] input_85 = __VERIFIER_nondet_uchar() [L182] EXPR input_85 & mask_SORT_1 [L182] input_85 = input_85 & mask_SORT_1 [L183] input_86 = __VERIFIER_nondet_uchar() [L184] EXPR input_86 & mask_SORT_1 [L184] input_86 = input_86 & mask_SORT_1 [L185] input_87 = __VERIFIER_nondet_uchar() [L186] EXPR input_87 & mask_SORT_1 [L186] input_87 = input_87 & mask_SORT_1 [L187] input_99 = __VERIFIER_nondet_uchar() [L188] EXPR input_99 & mask_SORT_1 [L188] input_99 = input_99 & mask_SORT_1 [L189] input_100 = __VERIFIER_nondet_uchar() [L190] EXPR input_100 & mask_SORT_1 [L190] input_100 = input_100 & mask_SORT_1 [L191] input_101 = __VERIFIER_nondet_uchar() [L192] EXPR input_101 & mask_SORT_1 [L192] input_101 = input_101 & mask_SORT_1 [L193] input_102 = __VERIFIER_nondet_uchar() [L194] EXPR input_102 & mask_SORT_1 [L194] input_102 = input_102 & mask_SORT_1 [L195] input_112 = __VERIFIER_nondet_uchar() [L196] EXPR input_112 & mask_SORT_1 [L196] input_112 = input_112 & mask_SORT_1 [L197] input_113 = __VERIFIER_nondet_uchar() [L198] EXPR input_113 & mask_SORT_1 [L198] input_113 = input_113 & mask_SORT_1 [L199] input_114 = __VERIFIER_nondet_uchar() [L200] EXPR input_114 & mask_SORT_1 [L200] input_114 = input_114 & mask_SORT_1 [L201] input_115 = __VERIFIER_nondet_uchar() [L202] EXPR input_115 & mask_SORT_1 [L202] input_115 = input_115 & mask_SORT_1 [L203] input_116 = __VERIFIER_nondet_uchar() [L204] EXPR input_116 & mask_SORT_1 [L204] input_116 = input_116 & mask_SORT_1 [L205] input_117 = __VERIFIER_nondet_uchar() [L206] EXPR input_117 & mask_SORT_1 [L206] input_117 = input_117 & mask_SORT_1 [L207] input_129 = __VERIFIER_nondet_uchar() [L208] EXPR input_129 & mask_SORT_1 [L208] input_129 = input_129 & mask_SORT_1 [L209] input_130 = __VERIFIER_nondet_uchar() [L210] EXPR input_130 & mask_SORT_1 [L210] input_130 = input_130 & mask_SORT_1 [L211] input_131 = __VERIFIER_nondet_uchar() [L212] EXPR input_131 & mask_SORT_1 [L212] input_131 = input_131 & mask_SORT_1 [L213] input_132 = __VERIFIER_nondet_uchar() [L214] EXPR input_132 & mask_SORT_1 [L214] input_132 = input_132 & mask_SORT_1 [L215] input_133 = __VERIFIER_nondet_uchar() [L216] EXPR input_133 & mask_SORT_1 [L216] input_133 = input_133 & mask_SORT_1 [L217] input_134 = __VERIFIER_nondet_uchar() [L218] EXPR input_134 & mask_SORT_1 [L218] input_134 = input_134 & mask_SORT_1 [L219] input_152 = __VERIFIER_nondet_uchar() [L220] EXPR input_152 & mask_SORT_1 [L220] input_152 = input_152 & mask_SORT_1 [L221] input_153 = __VERIFIER_nondet_uchar() [L222] EXPR input_153 & mask_SORT_1 [L222] input_153 = input_153 & mask_SORT_1 [L223] input_154 = __VERIFIER_nondet_uchar() [L224] EXPR input_154 & mask_SORT_1 [L224] input_154 = input_154 & mask_SORT_1 [L225] input_155 = __VERIFIER_nondet_uchar() [L226] EXPR input_155 & mask_SORT_1 [L226] input_155 = input_155 & mask_SORT_1 [L227] input_173 = __VERIFIER_nondet_uchar() [L228] EXPR input_173 & mask_SORT_1 [L228] input_173 = input_173 & mask_SORT_1 [L229] input_174 = __VERIFIER_nondet_uchar() [L230] EXPR input_174 & mask_SORT_1 [L230] input_174 = input_174 & mask_SORT_1 [L231] input_175 = __VERIFIER_nondet_uchar() [L232] EXPR input_175 & mask_SORT_1 [L232] input_175 = input_175 & mask_SORT_1 [L233] input_176 = __VERIFIER_nondet_uchar() [L234] EXPR input_176 & mask_SORT_1 [L234] input_176 = input_176 & mask_SORT_1 [L235] input_188 = __VERIFIER_nondet_uchar() [L236] EXPR input_188 & mask_SORT_1 [L236] input_188 = input_188 & mask_SORT_1 [L237] input_189 = __VERIFIER_nondet_uchar() [L238] EXPR input_189 & mask_SORT_1 [L238] input_189 = input_189 & mask_SORT_1 [L239] input_201 = __VERIFIER_nondet_uchar() [L240] EXPR input_201 & mask_SORT_1 [L240] input_201 = input_201 & mask_SORT_1 [L241] input_202 = __VERIFIER_nondet_uchar() [L242] EXPR input_202 & mask_SORT_1 [L242] input_202 = input_202 & mask_SORT_1 [L243] input_248 = __VERIFIER_nondet_uchar() [L244] EXPR input_248 & mask_SORT_1 [L244] input_248 = input_248 & mask_SORT_1 [L245] input_249 = __VERIFIER_nondet_uchar() [L246] EXPR input_249 & mask_SORT_1 [L246] input_249 = input_249 & mask_SORT_1 [L247] input_259 = __VERIFIER_nondet_uchar() [L248] EXPR input_259 & mask_SORT_1 [L248] input_259 = input_259 & mask_SORT_1 [L249] input_260 = __VERIFIER_nondet_uchar() [L250] EXPR input_260 & mask_SORT_1 [L250] input_260 = input_260 & mask_SORT_1 [L253] SORT_2 var_47_arg_0 = var_46; [L254] SORT_2 var_47_arg_1 = state_38; [L255] EXPR var_47_arg_0 ^ var_47_arg_1 [L255] SORT_2 var_47 = var_47_arg_0 ^ var_47_arg_1; [L256] EXPR var_47 & mask_SORT_2 [L256] var_47 = var_47 & mask_SORT_2 [L257] SORT_2 var_48_arg_0 = var_45; [L258] SORT_2 var_48_arg_1 = var_47; [L259] SORT_1 var_48 = var_48_arg_0 == var_48_arg_1; [L260] SORT_1 var_49_arg_0 = ~state_43; [L261] EXPR var_49_arg_0 & mask_SORT_1 [L261] var_49_arg_0 = var_49_arg_0 & mask_SORT_1 [L262] SORT_1 var_49_arg_1 = var_48; [L263] EXPR var_49_arg_0 & var_49_arg_1 [L263] SORT_1 var_49 = var_49_arg_0 & var_49_arg_1; [L264] EXPR var_49 & mask_SORT_1 [L264] var_49 = var_49 & mask_SORT_1 [L265] SORT_1 bad_50_arg_0 = var_49; [L266] CALL __VERIFIER_assert(!(bad_50_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, 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, 0.7s 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 04:31:10,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9583f0-1e08-4377-a3c2-1081af380dc7/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9583f0-1e08-4377-a3c2-1081af380dc7/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9583f0-1e08-4377-a3c2-1081af380dc7/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_6f9583f0-1e08-4377-a3c2-1081af380dc7/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9583f0-1e08-4377-a3c2-1081af380dc7/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peg_solitaire.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9583f0-1e08-4377-a3c2-1081af380dc7/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_6f9583f0-1e08-4377-a3c2-1081af380dc7/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 f3651df43eadd796c0cc9773210da2768d88da1830d677872c83040231c1e758 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:31:13,755 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:31:13,857 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9583f0-1e08-4377-a3c2-1081af380dc7/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-14 04:31:13,868 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:31:13,869 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:31:13,917 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:31:13,919 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:31:13,919 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:31:13,920 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:31:13,920 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:31:13,921 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:31:13,921 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:31:13,922 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:31:13,922 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:31:13,922 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:31:13,922 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:31:13,922 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:31:13,922 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:31:13,922 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:31:13,923 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:31:13,923 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:31:13,923 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:31:13,923 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:31:13,923 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 04:31:13,923 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:31:13,923 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 04:31:13,923 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:31:13,923 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:31:13,923 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:31:13,923 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 04:31:13,923 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:31:13,924 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:31:13,924 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:31:13,925 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:31:13,926 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:31:13,926 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:31:13,926 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 04:31:13,926 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 04:31:13,926 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:31:13,926 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:31:13,926 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_6f9583f0-1e08-4377-a3c2-1081af380dc7/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 -> f3651df43eadd796c0cc9773210da2768d88da1830d677872c83040231c1e758 [2024-11-14 04:31:14,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:31:14,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:31:14,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:31:14,271 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:31:14,272 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:31:14,273 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9583f0-1e08-4377-a3c2-1081af380dc7/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peg_solitaire.1.prop1-func-interl.c Unable to find full path for "g++" [2024-11-14 04:31:16,249 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:31:16,733 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:31:16,738 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9583f0-1e08-4377-a3c2-1081af380dc7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peg_solitaire.1.prop1-func-interl.c [2024-11-14 04:31:16,769 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9583f0-1e08-4377-a3c2-1081af380dc7/bin/utaipan-verify-sOmjnqqW8E/data/0aab9925f/4db59a1ddde8429983cba4aad86049cd/FLAGd13290494 [2024-11-14 04:31:16,795 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9583f0-1e08-4377-a3c2-1081af380dc7/bin/utaipan-verify-sOmjnqqW8E/data/0aab9925f/4db59a1ddde8429983cba4aad86049cd [2024-11-14 04:31:16,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:31:16,800 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:31:16,803 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:31:16,804 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:31:16,813 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:31:16,814 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:31:16" (1/1) ... [2024-11-14 04:31:16,815 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72e15e45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:31:16, skipping insertion in model container [2024-11-14 04:31:16,815 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:31:16" (1/1) ... [2024-11-14 04:31:16,893 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:31:17,137 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_6f9583f0-1e08-4377-a3c2-1081af380dc7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peg_solitaire.1.prop1-func-interl.c[1180,1193] [2024-11-14 04:31:17,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:31:17,571 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:31:17,602 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_6f9583f0-1e08-4377-a3c2-1081af380dc7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peg_solitaire.1.prop1-func-interl.c[1180,1193] [2024-11-14 04:31:17,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:31:17,880 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:31:17,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:31:17 WrapperNode [2024-11-14 04:31:17,881 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:31:17,882 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:31:17,882 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:31:17,883 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:31:17,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:31:17" (1/1) ... [2024-11-14 04:31:17,958 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:31:17" (1/1) ... [2024-11-14 04:31:18,126 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2620 [2024-11-14 04:31:18,127 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:31:18,128 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:31:18,128 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:31:18,128 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:31:18,137 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:31:17" (1/1) ... [2024-11-14 04:31:18,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:31:17" (1/1) ... [2024-11-14 04:31:18,179 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:31:17" (1/1) ... [2024-11-14 04:31:18,183 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:31:17" (1/1) ... [2024-11-14 04:31:18,259 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:31:17" (1/1) ... [2024-11-14 04:31:18,265 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:31:17" (1/1) ... [2024-11-14 04:31:18,288 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:31:17" (1/1) ... [2024-11-14 04:31:18,299 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:31:17" (1/1) ... [2024-11-14 04:31:18,339 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:31:18,340 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:31:18,340 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:31:18,340 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:31:18,345 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:31:17" (1/1) ... [2024-11-14 04:31:18,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:31:18,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9583f0-1e08-4377-a3c2-1081af380dc7/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:31:18,395 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9583f0-1e08-4377-a3c2-1081af380dc7/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:31:18,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9583f0-1e08-4377-a3c2-1081af380dc7/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:31:18,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:31:18,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 04:31:18,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:31:18,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:31:19,138 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:31:19,141 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:31:22,519 INFO L? ?]: Removed 90 outVars from TransFormulas that were not future-live. [2024-11-14 04:31:22,519 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:31:22,530 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:31:22,530 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:31:22,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:31:22 BoogieIcfgContainer [2024-11-14 04:31:22,531 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:31:22,534 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:31:22,535 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:31:22,540 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:31:22,540 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:31:16" (1/3) ... [2024-11-14 04:31:22,541 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48ec8aa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:31:22, skipping insertion in model container [2024-11-14 04:31:22,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:31:17" (2/3) ... [2024-11-14 04:31:22,542 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48ec8aa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:31:22, skipping insertion in model container [2024-11-14 04:31:22,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:31:22" (3/3) ... [2024-11-14 04:31:22,544 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.peg_solitaire.1.prop1-func-interl.c [2024-11-14 04:31:22,560 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:31:22,562 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.peg_solitaire.1.prop1-func-interl.c that has 1 procedures, 10 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:31:22,616 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:31:22,630 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;@5f9b3352, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:31:22,632 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:31:22,637 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 04:31:22,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-14 04:31:22,643 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:31:22,644 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-14 04:31:22,645 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:31:22,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:31:22,651 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-14 04:31:22,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:31:22,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1645199537] [2024-11-14 04:31:22,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:31:22,666 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 04:31:22,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9583f0-1e08-4377-a3c2-1081af380dc7/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:31:22,671 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9583f0-1e08-4377-a3c2-1081af380dc7/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 04:31:22,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9583f0-1e08-4377-a3c2-1081af380dc7/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 04:31:23,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:31:23,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-14 04:31:23,360 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:31:23,646 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 04:31:23,648 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:31:23,649 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:31:23,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1645199537] [2024-11-14 04:31:23,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1645199537] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:31:23,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:31:23,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:31:23,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41811141] [2024-11-14 04:31:23,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:31:23,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:31:23,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:31:23,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:31:23,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:31:23,680 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 04:31:23,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:31:23,908 INFO L93 Difference]: Finished difference Result 17 states and 22 transitions. [2024-11-14 04:31:23,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:31:23,910 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 04:31:23,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:31:23,916 INFO L225 Difference]: With dead ends: 17 [2024-11-14 04:31:23,917 INFO L226 Difference]: Without dead ends: 9 [2024-11-14 04:31:23,919 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:31:23,922 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 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 04:31:23,923 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 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 04:31:23,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-11-14 04:31:23,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-14 04:31:23,948 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 04:31:23,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-14 04:31:23,952 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-14 04:31:23,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:31:23,953 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-14 04:31:23,953 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 04:31:23,953 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-14 04:31:23,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-14 04:31:23,954 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:31:23,954 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-14 04:31:23,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9583f0-1e08-4377-a3c2-1081af380dc7/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 04:31:24,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9583f0-1e08-4377-a3c2-1081af380dc7/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 04:31:24,155 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:31:24,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:31:24,156 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-14 04:31:24,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:31:24,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1419817761] [2024-11-14 04:31:24,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:31:24,158 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 04:31:24,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9583f0-1e08-4377-a3c2-1081af380dc7/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:31:24,160 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9583f0-1e08-4377-a3c2-1081af380dc7/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 04:31:24,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9583f0-1e08-4377-a3c2-1081af380dc7/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 04:31:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:31:25,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 101 conjuncts are in the unsatisfiable core [2024-11-14 04:31:25,165 INFO L278 TraceCheckSpWp]: Computing forward predicates...