./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/chl-file-item-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_6137a416-8a04-4d99-9821-1a6219d34cd9/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6137a416-8a04-4d99-9821-1a6219d34cd9/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_6137a416-8a04-4d99-9821-1a6219d34cd9/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6137a416-8a04-4d99-9821-1a6219d34cd9/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/chl-file-item-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6137a416-8a04-4d99-9821-1a6219d34cd9/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6137a416-8a04-4d99-9821-1a6219d34cd9/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 32bit --witnessprinter.graph.data.programhash 3bc77f08e5fdc1758b216096ce0b18debc22015dafe53c78389dc7da36650394 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:16:16,288 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:16:16,354 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6137a416-8a04-4d99-9821-1a6219d34cd9/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 05:16:16,359 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:16:16,359 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:16:16,392 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:16:16,392 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:16:16,393 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:16:16,393 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:16:16,393 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:16:16,393 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:16:16,393 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:16:16,394 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:16:16,394 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:16:16,394 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:16:16,394 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:16:16,394 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:16:16,394 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:16:16,394 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:16:16,395 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:16:16,395 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:16:16,395 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:16:16,395 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:16:16,396 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:16:16,396 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:16:16,396 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:16:16,396 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:16:16,396 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:16:16,396 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:16:16,396 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:16:16,397 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:16:16,397 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:16:16,397 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:16:16,397 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:16:16,397 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:16:16,397 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:16:16,397 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:16:16,398 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:16:16,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:16:16,398 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:16:16,398 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:16:16,398 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:16:16,398 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:16:16,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:16:16,398 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:16:16,399 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:16:16,399 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:16:16,399 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_6137a416-8a04-4d99-9821-1a6219d34cd9/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3bc77f08e5fdc1758b216096ce0b18debc22015dafe53c78389dc7da36650394 [2024-11-14 05:16:16,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:16:16,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:16:16,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:16:16,730 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:16:16,730 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:16:16,732 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6137a416-8a04-4d99-9821-1a6219d34cd9/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/weaver/chl-file-item-symm.wvr.c Unable to find full path for "g++" [2024-11-14 05:16:19,122 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:16:19,483 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:16:19,484 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6137a416-8a04-4d99-9821-1a6219d34cd9/sv-benchmarks/c/weaver/chl-file-item-symm.wvr.c [2024-11-14 05:16:19,493 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6137a416-8a04-4d99-9821-1a6219d34cd9/bin/utaipan-verify-sOmjnqqW8E/data/e2e1a467e/e1ac343faff24f19997ef6580fde5dc1/FLAG66d8d13dc [2024-11-14 05:16:19,720 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6137a416-8a04-4d99-9821-1a6219d34cd9/bin/utaipan-verify-sOmjnqqW8E/data/e2e1a467e/e1ac343faff24f19997ef6580fde5dc1 [2024-11-14 05:16:19,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:16:19,725 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:16:19,726 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:16:19,727 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:16:19,733 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:16:19,734 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:16:19" (1/1) ... [2024-11-14 05:16:19,736 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a7baa40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:16:19, skipping insertion in model container [2024-11-14 05:16:19,736 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:16:19" (1/1) ... [2024-11-14 05:16:19,761 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:16:20,025 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_6137a416-8a04-4d99-9821-1a6219d34cd9/sv-benchmarks/c/weaver/chl-file-item-symm.wvr.c[2521,2534] [2024-11-14 05:16:20,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:16:20,052 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:16:20,076 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_6137a416-8a04-4d99-9821-1a6219d34cd9/sv-benchmarks/c/weaver/chl-file-item-symm.wvr.c[2521,2534] [2024-11-14 05:16:20,079 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:16:20,099 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:16:20,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:16:20 WrapperNode [2024-11-14 05:16:20,100 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:16:20,101 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:16:20,102 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:16:20,103 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:16:20,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:16:20" (1/1) ... [2024-11-14 05:16:20,120 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:16:20" (1/1) ... [2024-11-14 05:16:20,153 INFO L138 Inliner]: procedures = 21, calls = 15, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 141 [2024-11-14 05:16:20,157 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:16:20,158 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:16:20,158 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:16:20,158 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:16:20,171 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:16:20" (1/1) ... [2024-11-14 05:16:20,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:16:20" (1/1) ... [2024-11-14 05:16:20,177 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:16:20" (1/1) ... [2024-11-14 05:16:20,178 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:16:20" (1/1) ... [2024-11-14 05:16:20,188 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:16:20" (1/1) ... [2024-11-14 05:16:20,191 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:16:20" (1/1) ... [2024-11-14 05:16:20,193 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:16:20" (1/1) ... [2024-11-14 05:16:20,194 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:16:20" (1/1) ... [2024-11-14 05:16:20,201 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:16:20,202 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:16:20,202 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:16:20,203 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:16:20,204 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:16:20" (1/1) ... [2024-11-14 05:16:20,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:16:20,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6137a416-8a04-4d99-9821-1a6219d34cd9/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:16:20,257 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6137a416-8a04-4d99-9821-1a6219d34cd9/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:16:20,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6137a416-8a04-4d99-9821-1a6219d34cd9/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:16:20,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:16:20,296 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-14 05:16:20,296 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-14 05:16:20,296 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-14 05:16:20,296 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-14 05:16:20,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:16:20,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:16:20,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:16:20,298 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 05:16:20,425 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:16:20,428 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:16:20,903 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 05:16:20,903 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:16:21,511 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:16:21,512 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 05:16:21,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:16:21 BoogieIcfgContainer [2024-11-14 05:16:21,514 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:16:21,518 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:16:21,518 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:16:21,525 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:16:21,526 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:16:19" (1/3) ... [2024-11-14 05:16:21,527 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56afa0d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:16:21, skipping insertion in model container [2024-11-14 05:16:21,528 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:16:20" (2/3) ... [2024-11-14 05:16:21,529 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56afa0d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:16:21, skipping insertion in model container [2024-11-14 05:16:21,529 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:16:21" (3/3) ... [2024-11-14 05:16:21,531 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-file-item-symm.wvr.c [2024-11-14 05:16:21,555 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:16:21,557 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-file-item-symm.wvr.c that has 3 procedures, 15 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-14 05:16:21,557 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 05:16:21,653 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-14 05:16:21,687 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 21 places, 14 transitions, 42 flow [2024-11-14 05:16:21,699 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:16:21,729 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:16:21,743 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;@7e45c3f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:16:21,744 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-14 05:16:21,749 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:16:21,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-14 05:16:21,756 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:16:21,756 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:16:21,757 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 05:16:21,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:16:21,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1072065147, now seen corresponding path program 1 times [2024-11-14 05:16:21,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:16:21,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082863246] [2024-11-14 05:16:21,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:16:21,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:16:22,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:16:25,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:16:25,328 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:16:25,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082863246] [2024-11-14 05:16:25,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082863246] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:16:25,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:16:25,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:16:25,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648778877] [2024-11-14 05:16:25,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:16:25,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:16:25,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:16:25,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:16:25,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:16:25,371 INFO L87 Difference]: Start difference. First operand has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 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 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:16:25,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:16:25,683 INFO L93 Difference]: Finished difference Result 25 states and 31 transitions. [2024-11-14 05:16:25,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 05:16:25,687 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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) Word has length 11 [2024-11-14 05:16:25,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:16:25,695 INFO L225 Difference]: With dead ends: 25 [2024-11-14 05:16:25,695 INFO L226 Difference]: Without dead ends: 14 [2024-11-14 05:16:25,699 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:16:25,705 INFO L432 NwaCegarLoop]: 1 mSDtfsCounter, 10 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:16:25,706 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 2 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:16:25,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2024-11-14 05:16:25,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-14 05:16:25,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:16:25,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2024-11-14 05:16:25,747 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 11 [2024-11-14 05:16:25,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:16:25,748 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2024-11-14 05:16:25,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:16:25,749 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-14 05:16:25,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-14 05:16:25,750 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:16:25,750 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:16:25,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:16:25,752 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 05:16:25,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:16:25,754 INFO L85 PathProgramCache]: Analyzing trace with hash -124033163, now seen corresponding path program 2 times [2024-11-14 05:16:25,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:16:25,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751996170] [2024-11-14 05:16:25,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:16:25,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:16:25,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:16:27,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:16:27,521 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:16:27,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751996170] [2024-11-14 05:16:27,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751996170] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:16:27,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:16:27,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:16:27,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799488659] [2024-11-14 05:16:27,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:16:27,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:16:27,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:16:27,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:16:27,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:16:27,527 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:16:27,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:16:27,741 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2024-11-14 05:16:27,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 05:16:27,741 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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) Word has length 11 [2024-11-14 05:16:27,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:16:27,742 INFO L225 Difference]: With dead ends: 14 [2024-11-14 05:16:27,742 INFO L226 Difference]: Without dead ends: 0 [2024-11-14 05:16:27,742 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:16:27,743 INFO L432 NwaCegarLoop]: 0 mSDtfsCounter, 8 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:16:27,744 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 0 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:16:27,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-14 05:16:27,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-14 05:16:27,745 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 05:16:27,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-14 05:16:27,745 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2024-11-14 05:16:27,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:16:27,745 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-14 05:16:27,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:16:27,746 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-14 05:16:27,746 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-14 05:16:27,749 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-11-14 05:16:27,750 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-11-14 05:16:27,750 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-11-14 05:16:27,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 05:16:27,754 INFO L407 BasicCegarLoop]: Path program histogram: [2] [2024-11-14 05:16:27,758 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-14 05:16:27,758 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:16:27,763 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:16:27 BasicIcfg [2024-11-14 05:16:27,763 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:16:27,764 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:16:27,764 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:16:27,764 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:16:27,765 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:16:21" (3/4) ... [2024-11-14 05:16:27,768 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-14 05:16:27,772 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-14 05:16:27,772 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-14 05:16:27,779 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 74 nodes and edges [2024-11-14 05:16:27,779 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-14 05:16:27,780 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-14 05:16:27,780 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-14 05:16:27,887 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6137a416-8a04-4d99-9821-1a6219d34cd9/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 05:16:27,888 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6137a416-8a04-4d99-9821-1a6219d34cd9/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-14 05:16:27,888 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:16:27,889 INFO L158 Benchmark]: Toolchain (without parser) took 8164.36ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 91.8MB in the beginning and 178.0MB in the end (delta: -86.2MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2024-11-14 05:16:27,889 INFO L158 Benchmark]: CDTParser took 1.43ms. Allocated memory is still 83.9MB. Free memory is still 41.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:16:27,890 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.18ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 80.2MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:16:27,890 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.22ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 78.1MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:16:27,890 INFO L158 Benchmark]: Boogie Preprocessor took 43.10ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 77.2MB in the end (delta: 885.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:16:27,891 INFO L158 Benchmark]: RCFGBuilder took 1312.37ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 62.5MB in the end (delta: 14.7MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. [2024-11-14 05:16:27,891 INFO L158 Benchmark]: TraceAbstraction took 6244.86ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 62.5MB in the beginning and 182.1MB in the end (delta: -119.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:16:27,891 INFO L158 Benchmark]: Witness Printer took 124.20ms. Allocated memory is still 218.1MB. Free memory was 182.1MB in the beginning and 178.0MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:16:27,894 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.43ms. Allocated memory is still 83.9MB. Free memory is still 41.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 374.18ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 80.2MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.22ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 78.1MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.10ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 77.2MB in the end (delta: 885.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1312.37ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 62.5MB in the end (delta: 14.7MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. * TraceAbstraction took 6244.86ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 62.5MB in the beginning and 182.1MB in the end (delta: -119.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 124.20ms. Allocated memory is still 218.1MB. Free memory was 182.1MB in the beginning and 178.0MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 74]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 21 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 6.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 1 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 792 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-14 05:16:27,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6137a416-8a04-4d99-9821-1a6219d34cd9/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE