./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix044_power.oepc_pso.oepc_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76480d8-112b-4837-a11c-34be64709ccc/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76480d8-112b-4837-a11c-34be64709ccc/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_e76480d8-112b-4837-a11c-34be64709ccc/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76480d8-112b-4837-a11c-34be64709ccc/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix044_power.oepc_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76480d8-112b-4837-a11c-34be64709ccc/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76480d8-112b-4837-a11c-34be64709ccc/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 40f0a1ff0b59c9897722e1cc89a9065b61569e5c28581990c7adb84261d57e0b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:24:45,769 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:24:45,886 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76480d8-112b-4837-a11c-34be64709ccc/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-14 03:24:45,893 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:24:45,894 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:24:45,931 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:24:45,932 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:24:45,932 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:24:45,933 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:24:45,933 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:24:45,933 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:24:45,933 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:24:45,933 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:24:45,934 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:24:45,934 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:24:45,934 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:24:45,934 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:24:45,934 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:24:45,935 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:24:45,935 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:24:45,935 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:24:45,935 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:24:45,936 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:24:45,936 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:24:45,936 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:24:45,936 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:24:45,937 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:24:45,937 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:24:45,937 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:24:45,937 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:24:45,937 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:24:45,937 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:24:45,938 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-14 03:24:45,938 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 03:24:45,938 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:24:45,938 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:24:45,938 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:24:45,939 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:24:45,939 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:24:45,939 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:24:45,939 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:24:45,939 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:24:45,939 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:24:45,940 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:24:45,940 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:24:45,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:24:45,940 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:24:45,940 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:24:45,940 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:24:45,941 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_e76480d8-112b-4837-a11c-34be64709ccc/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 ! overflow) ) 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40f0a1ff0b59c9897722e1cc89a9065b61569e5c28581990c7adb84261d57e0b [2024-11-14 03:24:46,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:24:46,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:24:46,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:24:46,324 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:24:46,324 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:24:46,326 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76480d8-112b-4837-a11c-34be64709ccc/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/pthread-wmm/mix044_power.oepc_pso.oepc_rmo.oepc.i Unable to find full path for "g++" [2024-11-14 03:24:48,752 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:24:49,338 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:24:49,342 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76480d8-112b-4837-a11c-34be64709ccc/sv-benchmarks/c/pthread-wmm/mix044_power.oepc_pso.oepc_rmo.oepc.i [2024-11-14 03:24:49,363 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76480d8-112b-4837-a11c-34be64709ccc/bin/utaipan-verify-sOmjnqqW8E/data/6791f2b0f/a7f733de5b1648dcaef0e4c3b68fc238/FLAG1cb26ab3d [2024-11-14 03:24:49,389 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76480d8-112b-4837-a11c-34be64709ccc/bin/utaipan-verify-sOmjnqqW8E/data/6791f2b0f/a7f733de5b1648dcaef0e4c3b68fc238 [2024-11-14 03:24:49,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:24:49,394 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:24:49,396 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:24:49,397 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:24:49,403 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:24:49,404 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:24:49" (1/1) ... [2024-11-14 03:24:49,405 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@294df07e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:24:49, skipping insertion in model container [2024-11-14 03:24:49,407 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:24:49" (1/1) ... [2024-11-14 03:24:49,473 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:24:50,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:24:50,061 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:24:50,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:24:50,261 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:24:50,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:24:50 WrapperNode [2024-11-14 03:24:50,264 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:24:50,265 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:24:50,265 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:24:50,265 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:24:50,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:24:50" (1/1) ... [2024-11-14 03:24:50,305 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:24:50" (1/1) ... [2024-11-14 03:24:50,350 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 134 [2024-11-14 03:24:50,352 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:24:50,352 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:24:50,355 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:24:50,356 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:24:50,371 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:24:50" (1/1) ... [2024-11-14 03:24:50,371 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:24:50" (1/1) ... [2024-11-14 03:24:50,378 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:24:50" (1/1) ... [2024-11-14 03:24:50,378 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:24:50" (1/1) ... [2024-11-14 03:24:50,399 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:24:50" (1/1) ... [2024-11-14 03:24:50,406 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:24:50" (1/1) ... [2024-11-14 03:24:50,409 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:24:50" (1/1) ... [2024-11-14 03:24:50,414 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:24:50" (1/1) ... [2024-11-14 03:24:50,421 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:24:50,425 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:24:50,425 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:24:50,425 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:24:50,426 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:24:50" (1/1) ... [2024-11-14 03:24:50,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:24:50,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76480d8-112b-4837-a11c-34be64709ccc/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:24:50,480 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76480d8-112b-4837-a11c-34be64709ccc/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:24:50,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76480d8-112b-4837-a11c-34be64709ccc/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:24:50,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-14 03:24:50,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:24:50,524 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-14 03:24:50,524 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-14 03:24:50,524 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-14 03:24:50,525 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-14 03:24:50,525 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-14 03:24:50,525 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-14 03:24:50,526 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-14 03:24:50,526 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-14 03:24:50,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:24:50,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-14 03:24:50,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:24:50,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:24:50,528 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-14 03:24:50,772 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:24:50,774 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:24:51,407 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 03:24:51,407 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:24:51,858 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:24:51,859 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 03:24:51,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:24:51 BoogieIcfgContainer [2024-11-14 03:24:51,860 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:24:51,865 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:24:51,865 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:24:51,871 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:24:51,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:24:49" (1/3) ... [2024-11-14 03:24:51,873 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77e41b79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:24:51, skipping insertion in model container [2024-11-14 03:24:51,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:24:50" (2/3) ... [2024-11-14 03:24:51,874 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77e41b79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:24:51, skipping insertion in model container [2024-11-14 03:24:51,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:24:51" (3/3) ... [2024-11-14 03:24:51,877 INFO L112 eAbstractionObserver]: Analyzing ICFG mix044_power.oepc_pso.oepc_rmo.oepc.i [2024-11-14 03:24:51,898 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:24:51,900 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG mix044_power.oepc_pso.oepc_rmo.oepc.i that has 5 procedures, 53 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2024-11-14 03:24:51,901 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 03:24:52,025 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-14 03:24:52,074 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 65 places, 52 transitions, 120 flow [2024-11-14 03:24:56,162 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 57661 states, 57581 states have (on average 4.413261318837811) internal successors, (254120), 57660 states have internal predecessors, (254120), 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 03:24:56,202 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:24:56,239 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;@1934e9d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:24:56,240 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-11-14 03:24:56,365 INFO L276 IsEmpty]: Start isEmpty. Operand has 57661 states, 57581 states have (on average 4.413261318837811) internal successors, (254120), 57660 states have internal predecessors, (254120), 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 03:24:56,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-14 03:24:56,373 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:24:56,374 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:24:56,375 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-14 03:24:56,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:24:56,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1890509177, now seen corresponding path program 1 times [2024-11-14 03:24:56,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:24:56,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644193385] [2024-11-14 03:24:56,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:24:56,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:24:56,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:24:56,977 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 03:24:56,977 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:24:56,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644193385] [2024-11-14 03:24:56,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644193385] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:24:56,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:24:56,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-14 03:24:56,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630278869] [2024-11-14 03:24:56,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:24:56,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:24:56,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:24:57,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:24:57,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:24:57,135 INFO L87 Difference]: Start difference. First operand has 57661 states, 57581 states have (on average 4.413261318837811) internal successors, (254120), 57660 states have internal predecessors, (254120), 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 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 03:24:59,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:24:59,748 INFO L93 Difference]: Finished difference Result 77053 states and 321112 transitions. [2024-11-14 03:24:59,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:24:59,753 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2024-11-14 03:24:59,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:25:00,631 INFO L225 Difference]: With dead ends: 77053 [2024-11-14 03:25:00,631 INFO L226 Difference]: Without dead ends: 41689 [2024-11-14 03:25:00,749 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:25:00,755 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 26 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 03:25:00,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 26 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 03:25:00,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41689 states. [2024-11-14 03:25:03,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41689 to 41689. [2024-11-14 03:25:03,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41689 states, 41625 states have (on average 4.252636636636637) internal successors, (177016), 41688 states have internal predecessors, (177016), 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 03:25:04,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41689 states to 41689 states and 177016 transitions. [2024-11-14 03:25:04,278 INFO L78 Accepts]: Start accepts. Automaton has 41689 states and 177016 transitions. Word has length 7 [2024-11-14 03:25:04,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:25:04,279 INFO L471 AbstractCegarLoop]: Abstraction has 41689 states and 177016 transitions. [2024-11-14 03:25:04,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 03:25:04,279 INFO L276 IsEmpty]: Start isEmpty. Operand 41689 states and 177016 transitions. [2024-11-14 03:25:04,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-14 03:25:04,286 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:25:04,286 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:25:04,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 03:25:04,287 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-14 03:25:04,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:25:04,288 INFO L85 PathProgramCache]: Analyzing trace with hash -131897979, now seen corresponding path program 1 times [2024-11-14 03:25:04,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:25:04,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206185817] [2024-11-14 03:25:04,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:25:04,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:25:04,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:25:04,963 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 03:25:04,963 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:25:04,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206185817] [2024-11-14 03:25:04,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206185817] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:25:04,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:25:04,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:25:04,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555105416] [2024-11-14 03:25:04,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:25:04,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:25:04,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:25:04,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:25:04,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:25:04,967 INFO L87 Difference]: Start difference. First operand 41689 states and 177016 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 03:25:06,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:25:06,049 INFO L93 Difference]: Finished difference Result 41689 states and 177016 transitions. [2024-11-14 03:25:06,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:25:06,050 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 14 [2024-11-14 03:25:06,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:25:06,727 INFO L225 Difference]: With dead ends: 41689 [2024-11-14 03:25:06,728 INFO L226 Difference]: Without dead ends: 30721 [2024-11-14 03:25:06,749 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 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 03:25:06,750 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 58 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 03:25:06,750 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 52 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 03:25:06,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30721 states. [2024-11-14 03:25:08,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30721 to 30721. [2024-11-14 03:25:08,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30721 states, 30707 states have (on average 4.25987559839776) internal successors, (130808), 30720 states have internal predecessors, (130808), 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 03:25:08,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30721 states to 30721 states and 130808 transitions. [2024-11-14 03:25:08,812 INFO L78 Accepts]: Start accepts. Automaton has 30721 states and 130808 transitions. Word has length 14 [2024-11-14 03:25:08,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:25:08,814 INFO L471 AbstractCegarLoop]: Abstraction has 30721 states and 130808 transitions. [2024-11-14 03:25:08,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 03:25:08,815 INFO L276 IsEmpty]: Start isEmpty. Operand 30721 states and 130808 transitions. [2024-11-14 03:25:08,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-14 03:25:08,825 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:25:08,825 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:25:08,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 03:25:08,826 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-14 03:25:08,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:25:08,827 INFO L85 PathProgramCache]: Analyzing trace with hash -131897978, now seen corresponding path program 1 times [2024-11-14 03:25:08,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:25:08,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978174842] [2024-11-14 03:25:08,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:25:08,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:25:08,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:25:09,117 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 03:25:09,118 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:25:09,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978174842] [2024-11-14 03:25:09,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978174842] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:25:09,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:25:09,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:25:09,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074928809] [2024-11-14 03:25:09,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:25:09,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:25:09,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:25:09,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:25:09,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:25:09,123 INFO L87 Difference]: Start difference. First operand 30721 states and 130808 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 03:25:09,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:25:09,783 INFO L93 Difference]: Finished difference Result 32985 states and 137312 transitions. [2024-11-14 03:25:09,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:25:09,785 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 14 [2024-11-14 03:25:09,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:25:10,567 INFO L225 Difference]: With dead ends: 32985 [2024-11-14 03:25:10,567 INFO L226 Difference]: Without dead ends: 24561 [2024-11-14 03:25:10,586 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:25:10,589 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 74 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 03:25:10,592 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 39 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 03:25:10,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24561 states. [2024-11-14 03:25:11,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24561 to 24561. [2024-11-14 03:25:11,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24561 states, 24551 states have (on average 4.239990224430777) internal successors, (104096), 24560 states have internal predecessors, (104096), 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 03:25:11,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24561 states to 24561 states and 104096 transitions. [2024-11-14 03:25:11,755 INFO L78 Accepts]: Start accepts. Automaton has 24561 states and 104096 transitions. Word has length 14 [2024-11-14 03:25:11,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:25:11,755 INFO L471 AbstractCegarLoop]: Abstraction has 24561 states and 104096 transitions. [2024-11-14 03:25:11,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 03:25:11,756 INFO L276 IsEmpty]: Start isEmpty. Operand 24561 states and 104096 transitions. [2024-11-14 03:25:11,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-14 03:25:11,790 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:25:11,790 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:25:11,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 03:25:11,790 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-14 03:25:11,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:25:11,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1186688454, now seen corresponding path program 1 times [2024-11-14 03:25:11,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:25:11,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026939421] [2024-11-14 03:25:11,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:25:11,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:25:11,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:25:12,155 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 03:25:12,156 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:25:12,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026939421] [2024-11-14 03:25:12,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026939421] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:25:12,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:25:12,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:25:12,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956715433] [2024-11-14 03:25:12,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:25:12,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 03:25:12,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:25:12,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 03:25:12,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-14 03:25:12,159 INFO L87 Difference]: Start difference. First operand 24561 states and 104096 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 03:25:12,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:25:12,847 INFO L93 Difference]: Finished difference Result 24785 states and 104624 transitions. [2024-11-14 03:25:12,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 03:25:12,848 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 21 [2024-11-14 03:25:12,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:25:13,097 INFO L225 Difference]: With dead ends: 24785 [2024-11-14 03:25:13,098 INFO L226 Difference]: Without dead ends: 22521 [2024-11-14 03:25:13,128 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-14 03:25:13,131 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 97 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 03:25:13,133 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 52 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 03:25:13,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22521 states. [2024-11-14 03:25:14,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22521 to 22521. [2024-11-14 03:25:14,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22521 states, 22517 states have (on average 4.274459297419727) internal successors, (96248), 22520 states have internal predecessors, (96248), 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 03:25:14,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22521 states to 22521 states and 96248 transitions. [2024-11-14 03:25:14,548 INFO L78 Accepts]: Start accepts. Automaton has 22521 states and 96248 transitions. Word has length 21 [2024-11-14 03:25:14,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:25:14,548 INFO L471 AbstractCegarLoop]: Abstraction has 22521 states and 96248 transitions. [2024-11-14 03:25:14,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 03:25:14,549 INFO L276 IsEmpty]: Start isEmpty. Operand 22521 states and 96248 transitions. [2024-11-14 03:25:14,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-14 03:25:14,626 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:25:14,626 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:25:14,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 03:25:14,626 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-14 03:25:14,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:25:14,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1585950467, now seen corresponding path program 1 times [2024-11-14 03:25:14,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:25:14,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803434832] [2024-11-14 03:25:14,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:25:14,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:25:14,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:25:15,121 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 03:25:15,122 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:25:15,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803434832] [2024-11-14 03:25:15,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803434832] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:25:15,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:25:15,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 03:25:15,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911141526] [2024-11-14 03:25:15,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:25:15,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 03:25:15,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:25:15,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 03:25:15,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-14 03:25:15,127 INFO L87 Difference]: Start difference. First operand 22521 states and 96248 transitions. Second operand has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:25:15,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:25:15,840 INFO L93 Difference]: Finished difference Result 22521 states and 96248 transitions. [2024-11-14 03:25:15,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 03:25:15,841 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2024-11-14 03:25:15,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:25:16,341 INFO L225 Difference]: With dead ends: 22521 [2024-11-14 03:25:16,342 INFO L226 Difference]: Without dead ends: 0 [2024-11-14 03:25:16,370 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-14 03:25:16,371 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 119 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 03:25:16,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 52 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 03:25:16,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-14 03:25:16,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-14 03:25:16,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 03:25:16,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-14 03:25:16,401 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2024-11-14 03:25:16,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:25:16,401 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-14 03:25:16,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:25:16,401 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-14 03:25:16,402 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-14 03:25:16,404 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2024-11-14 03:25:16,405 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2024-11-14 03:25:16,405 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2024-11-14 03:25:16,406 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2024-11-14 03:25:16,406 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2024-11-14 03:25:16,406 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2024-11-14 03:25:16,406 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2024-11-14 03:25:16,406 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2024-11-14 03:25:16,407 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2024-11-14 03:25:16,407 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2024-11-14 03:25:16,407 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2024-11-14 03:25:16,407 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2024-11-14 03:25:16,407 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2024-11-14 03:25:16,408 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2024-11-14 03:25:16,408 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2024-11-14 03:25:16,408 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2024-11-14 03:25:16,408 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2024-11-14 03:25:16,408 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2024-11-14 03:25:16,408 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2024-11-14 03:25:16,408 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2024-11-14 03:25:16,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 03:25:16,413 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-14 03:25:16,420 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-14 03:25:16,420 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 03:25:16,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 03:25:16 BasicIcfg [2024-11-14 03:25:16,425 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 03:25:16,426 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 03:25:16,426 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 03:25:16,426 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 03:25:16,427 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:24:51" (3/4) ... [2024-11-14 03:25:16,429 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-14 03:25:16,433 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-14 03:25:16,433 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-14 03:25:16,433 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-14 03:25:16,433 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2024-11-14 03:25:16,439 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 79 nodes and edges [2024-11-14 03:25:16,440 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-14 03:25:16,440 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-14 03:25:16,440 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-14 03:25:16,536 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76480d8-112b-4837-a11c-34be64709ccc/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 03:25:16,537 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76480d8-112b-4837-a11c-34be64709ccc/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-14 03:25:16,537 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 03:25:16,538 INFO L158 Benchmark]: Toolchain (without parser) took 27144.64ms. Allocated memory was 142.6MB in the beginning and 10.4GB in the end (delta: 10.2GB). Free memory was 104.9MB in the beginning and 9.0GB in the end (delta: -8.9GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-11-14 03:25:16,539 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:25:16,539 INFO L158 Benchmark]: CACSL2BoogieTranslator took 868.41ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 80.6MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 03:25:16,539 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.85ms. Allocated memory is still 142.6MB. Free memory was 80.6MB in the beginning and 78.2MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:25:16,540 INFO L158 Benchmark]: Boogie Preprocessor took 71.89ms. Allocated memory is still 142.6MB. Free memory was 78.2MB in the beginning and 76.3MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:25:16,540 INFO L158 Benchmark]: RCFGBuilder took 1434.72ms. Allocated memory is still 142.6MB. Free memory was 76.3MB in the beginning and 86.2MB in the end (delta: -9.8MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2024-11-14 03:25:16,541 INFO L158 Benchmark]: TraceAbstraction took 24559.99ms. Allocated memory was 142.6MB in the beginning and 10.4GB in the end (delta: 10.2GB). Free memory was 85.2MB in the beginning and 9.0GB in the end (delta: -9.0GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-11-14 03:25:16,541 INFO L158 Benchmark]: Witness Printer took 111.48ms. Allocated memory is still 10.4GB. Free memory was 9.0GB in the beginning and 9.0GB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:25:16,544 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 868.41ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 80.6MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.85ms. Allocated memory is still 142.6MB. Free memory was 80.6MB in the beginning and 78.2MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 71.89ms. Allocated memory is still 142.6MB. Free memory was 78.2MB in the beginning and 76.3MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1434.72ms. Allocated memory is still 142.6MB. Free memory was 76.3MB in the beginning and 86.2MB in the end (delta: -9.8MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * TraceAbstraction took 24559.99ms. Allocated memory was 142.6MB in the beginning and 10.4GB in the end (delta: 10.2GB). Free memory was 85.2MB in the beginning and 9.0GB in the end (delta: -9.0GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * Witness Printer took 111.48ms. Allocated memory is still 10.4GB. Free memory was 9.0GB in the beginning and 9.0GB in the end (delta: 4.3MB). 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 - PositiveResult [Line: 775]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 775]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 795]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 795]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 815]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 815]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 854]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 854]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 95 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 24.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 9.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 374 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 374 mSDsluCounter, 221 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 143 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 459 IncrementalHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 78 mSDtfsCounter, 459 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57661occurred in iteration=0, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 7.9s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 81 ConstructedInterpolants, 0 QuantifiedInterpolants, 243 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-14 03:25:16,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76480d8-112b-4837-a11c-34be64709ccc/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 Writing output log to file Ultimate.log Result: TRUE