./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/safe002_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d20cd5c4-c701-4144-8b54-3c5ad8a45800/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d20cd5c4-c701-4144-8b54-3c5ad8a45800/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_d20cd5c4-c701-4144-8b54-3c5ad8a45800/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d20cd5c4-c701-4144-8b54-3c5ad8a45800/bin/utaipan-verify-sOmjnqqW8E/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/safe002_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d20cd5c4-c701-4144-8b54-3c5ad8a45800/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d20cd5c4-c701-4144-8b54-3c5ad8a45800/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3743abf17a0d3db70a931712c22f305431bb6e8feb7b662539ff9c5190491352 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:49:17,416 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:49:17,509 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d20cd5c4-c701-4144-8b54-3c5ad8a45800/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2024-11-14 04:49:17,514 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:49:17,515 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:49:17,558 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:49:17,560 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:49:17,561 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:49:17,561 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:49:17,562 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:49:17,562 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:49:17,563 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:49:17,563 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:49:17,563 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:49:17,563 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:49:17,564 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:49:17,564 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:49:17,565 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:49:17,565 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:49:17,565 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:49:17,565 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:49:17,565 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:49:17,566 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-14 04:49:17,566 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-14 04:49:17,566 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:49:17,566 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:49:17,567 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:49:17,567 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:49:17,567 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:49:17,569 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-14 04:49:17,569 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-14 04:49:17,569 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-14 04:49:17,569 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:49:17,569 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:49:17,569 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:49:17,569 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 04:49:17,569 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:49:17,569 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:49:17,569 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:49:17,570 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:49:17,570 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:49:17,570 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:49:17,570 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:49:17,570 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:49:17,570 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:49:17,570 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:49:17,570 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:49:17,570 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:49:17,570 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:49:17,570 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_d20cd5c4-c701-4144-8b54-3c5ad8a45800/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 3743abf17a0d3db70a931712c22f305431bb6e8feb7b662539ff9c5190491352 [2024-11-14 04:49:17,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:49:17,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:49:17,932 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:49:17,934 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:49:17,934 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:49:17,936 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d20cd5c4-c701-4144-8b54-3c5ad8a45800/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/pthread-wmm/safe002_tso.i Unable to find full path for "g++" [2024-11-14 04:49:20,033 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:49:20,314 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:49:20,315 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d20cd5c4-c701-4144-8b54-3c5ad8a45800/sv-benchmarks/c/pthread-wmm/safe002_tso.i [2024-11-14 04:49:20,334 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d20cd5c4-c701-4144-8b54-3c5ad8a45800/bin/utaipan-verify-sOmjnqqW8E/data/a029752d7/a101a1ee17eb436798a6c4c853b6a703/FLAGd55c4547a [2024-11-14 04:49:20,356 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d20cd5c4-c701-4144-8b54-3c5ad8a45800/bin/utaipan-verify-sOmjnqqW8E/data/a029752d7/a101a1ee17eb436798a6c4c853b6a703 [2024-11-14 04:49:20,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:49:20,360 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:49:20,362 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:49:20,362 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:49:20,367 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:49:20,368 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:49:20" (1/1) ... [2024-11-14 04:49:20,370 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1db130a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:20, skipping insertion in model container [2024-11-14 04:49:20,371 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:49:20" (1/1) ... [2024-11-14 04:49:20,412 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:49:20,832 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:49:20,842 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:49:20,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:49:20,933 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:49:20,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:20 WrapperNode [2024-11-14 04:49:20,934 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:49:20,935 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:49:20,936 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:49:20,936 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:49:20,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:20" (1/1) ... [2024-11-14 04:49:20,959 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:20" (1/1) ... [2024-11-14 04:49:20,983 INFO L138 Inliner]: procedures = 175, calls = 42, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2024-11-14 04:49:20,984 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:49:20,985 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:49:20,985 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:49:20,985 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:49:20,992 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:20" (1/1) ... [2024-11-14 04:49:20,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:20" (1/1) ... [2024-11-14 04:49:20,998 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:20" (1/1) ... [2024-11-14 04:49:20,998 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:20" (1/1) ... [2024-11-14 04:49:21,005 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:20" (1/1) ... [2024-11-14 04:49:21,012 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:20" (1/1) ... [2024-11-14 04:49:21,014 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:20" (1/1) ... [2024-11-14 04:49:21,015 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:20" (1/1) ... [2024-11-14 04:49:21,020 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:49:21,021 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:49:21,021 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:49:21,022 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:49:21,022 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:20" (1/1) ... [2024-11-14 04:49:21,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:49:21,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d20cd5c4-c701-4144-8b54-3c5ad8a45800/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:49:21,064 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d20cd5c4-c701-4144-8b54-3c5ad8a45800/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:49:21,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d20cd5c4-c701-4144-8b54-3c5ad8a45800/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:49:21,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-14 04:49:21,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:49:21,099 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-14 04:49:21,099 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-14 04:49:21,099 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-14 04:49:21,100 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-14 04:49:21,100 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-14 04:49:21,100 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-14 04:49:21,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:49:21,100 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-14 04:49:21,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:49:21,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:49:21,102 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 04:49:21,270 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:49:21,272 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:49:21,448 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 04:49:21,448 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:49:21,564 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:49:21,564 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 04:49:21,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:49:21 BoogieIcfgContainer [2024-11-14 04:49:21,565 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:49:21,568 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:49:21,569 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:49:21,574 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:49:21,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:49:20" (1/3) ... [2024-11-14 04:49:21,574 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@726c6e49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:49:21, skipping insertion in model container [2024-11-14 04:49:21,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:20" (2/3) ... [2024-11-14 04:49:21,576 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@726c6e49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:49:21, skipping insertion in model container [2024-11-14 04:49:21,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:49:21" (3/3) ... [2024-11-14 04:49:21,578 INFO L112 eAbstractionObserver]: Analyzing ICFG safe002_tso.i [2024-11-14 04:49:21,595 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:49:21,596 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG safe002_tso.i that has 4 procedures, 42 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-14 04:49:21,597 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 04:49:21,675 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-14 04:49:21,715 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 51 places, 43 transitions, 98 flow [2024-11-14 04:49:22,074 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 4916 states, 4914 states have (on average 3.6196581196581197) internal successors, (17787), 4915 states have internal predecessors, (17787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:49:22,102 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:49:22,117 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=None, 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;@2381e1b8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:49:22,117 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-14 04:49:22,138 INFO L276 IsEmpty]: Start isEmpty. Operand has 4916 states, 4914 states have (on average 3.6196581196581197) internal successors, (17787), 4915 states have internal predecessors, (17787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:49:22,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-14 04:49:22,169 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:49:22,169 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:49:22,170 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-14 04:49:22,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:49:22,179 INFO L85 PathProgramCache]: Analyzing trace with hash 710438097, now seen corresponding path program 1 times [2024-11-14 04:49:22,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:49:22,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289381005] [2024-11-14 04:49:22,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:49:22,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:49:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:49:22,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:49:22,551 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:49:22,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289381005] [2024-11-14 04:49:22,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289381005] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:49:22,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:49:22,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-14 04:49:22,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757268407] [2024-11-14 04:49:22,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:49:22,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:49:22,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:49:22,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:49:22,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:49:22,605 INFO L87 Difference]: Start difference. First operand has 4916 states, 4914 states have (on average 3.6196581196581197) internal successors, (17787), 4915 states have internal predecessors, (17787), 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 7.5) internal successors, (15), 2 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 04:49:22,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:49:22,810 INFO L93 Difference]: Finished difference Result 5602 states and 20237 transitions. [2024-11-14 04:49:22,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:49:22,813 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 2 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) Word has length 15 [2024-11-14 04:49:22,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:49:22,866 INFO L225 Difference]: With dead ends: 5602 [2024-11-14 04:49:22,870 INFO L226 Difference]: Without dead ends: 3544 [2024-11-14 04:49:22,884 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 04:49:22,889 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 21 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:49:22,890 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 21 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:49:22,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3544 states. [2024-11-14 04:49:23,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3544 to 3544. [2024-11-14 04:49:23,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3544 states, 3543 states have (on average 3.4436917866215073) internal successors, (12201), 3543 states have internal predecessors, (12201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:49:23,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3544 states to 3544 states and 12201 transitions. [2024-11-14 04:49:23,277 INFO L78 Accepts]: Start accepts. Automaton has 3544 states and 12201 transitions. Word has length 15 [2024-11-14 04:49:23,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:49:23,278 INFO L471 AbstractCegarLoop]: Abstraction has 3544 states and 12201 transitions. [2024-11-14 04:49:23,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 2 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 04:49:23,280 INFO L276 IsEmpty]: Start isEmpty. Operand 3544 states and 12201 transitions. [2024-11-14 04:49:23,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-14 04:49:23,287 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:49:23,287 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:49:23,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:49:23,289 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-14 04:49:23,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:49:23,290 INFO L85 PathProgramCache]: Analyzing trace with hash 710439650, now seen corresponding path program 1 times [2024-11-14 04:49:23,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:49:23,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538206153] [2024-11-14 04:49:23,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:49:23,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:49:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:49:23,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:49:23,849 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:49:23,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538206153] [2024-11-14 04:49:23,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538206153] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:49:23,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:49:23,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:49:23,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987924726] [2024-11-14 04:49:23,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:49:23,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 04:49:23,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:49:23,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 04:49:23,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:49:23,853 INFO L87 Difference]: Start difference. First operand 3544 states and 12201 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 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 04:49:24,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:49:24,347 INFO L93 Difference]: Finished difference Result 7333 states and 24882 transitions. [2024-11-14 04:49:24,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 04:49:24,347 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 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) Word has length 15 [2024-11-14 04:49:24,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:49:24,425 INFO L225 Difference]: With dead ends: 7333 [2024-11-14 04:49:24,425 INFO L226 Difference]: Without dead ends: 4924 [2024-11-14 04:49:24,431 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-14 04:49:24,432 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 79 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 04:49:24,435 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 160 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 04:49:24,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4924 states. [2024-11-14 04:49:24,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4924 to 3989. [2024-11-14 04:49:24,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3989 states, 3988 states have (on average 3.3801404212637913) internal successors, (13480), 3988 states have internal predecessors, (13480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:49:24,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3989 states to 3989 states and 13480 transitions. [2024-11-14 04:49:24,666 INFO L78 Accepts]: Start accepts. Automaton has 3989 states and 13480 transitions. Word has length 15 [2024-11-14 04:49:24,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:49:24,667 INFO L471 AbstractCegarLoop]: Abstraction has 3989 states and 13480 transitions. [2024-11-14 04:49:24,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 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 04:49:24,667 INFO L276 IsEmpty]: Start isEmpty. Operand 3989 states and 13480 transitions. [2024-11-14 04:49:24,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-14 04:49:24,678 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:49:24,678 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:49:24,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 04:49:24,679 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-14 04:49:24,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:49:24,680 INFO L85 PathProgramCache]: Analyzing trace with hash 894109539, now seen corresponding path program 1 times [2024-11-14 04:49:24,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:49:24,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307489035] [2024-11-14 04:49:24,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:49:24,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:49:24,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:49:25,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:49:25,011 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:49:25,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307489035] [2024-11-14 04:49:25,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307489035] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:49:25,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:49:25,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:49:25,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344015458] [2024-11-14 04:49:25,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:49:25,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:49:25,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:49:25,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:49:25,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:49:25,013 INFO L87 Difference]: Start difference. First operand 3989 states and 13480 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:49:25,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:49:25,420 INFO L93 Difference]: Finished difference Result 6421 states and 21508 transitions. [2024-11-14 04:49:25,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-14 04:49:25,423 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 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 17 [2024-11-14 04:49:25,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:49:25,455 INFO L225 Difference]: With dead ends: 6421 [2024-11-14 04:49:25,455 INFO L226 Difference]: Without dead ends: 2904 [2024-11-14 04:49:25,461 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-14 04:49:25,463 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 137 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:49:25,464 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 167 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 04:49:25,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2904 states. [2024-11-14 04:49:25,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2904 to 2744. [2024-11-14 04:49:25,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2744 states, 2743 states have (on average 3.3102442581115565) internal successors, (9080), 2743 states have internal predecessors, (9080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:49:25,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2744 states to 2744 states and 9080 transitions. [2024-11-14 04:49:25,569 INFO L78 Accepts]: Start accepts. Automaton has 2744 states and 9080 transitions. Word has length 17 [2024-11-14 04:49:25,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:49:25,570 INFO L471 AbstractCegarLoop]: Abstraction has 2744 states and 9080 transitions. [2024-11-14 04:49:25,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:49:25,570 INFO L276 IsEmpty]: Start isEmpty. Operand 2744 states and 9080 transitions. [2024-11-14 04:49:25,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-14 04:49:25,576 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:49:25,577 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] [2024-11-14 04:49:25,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 04:49:25,577 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-14 04:49:25,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:49:25,578 INFO L85 PathProgramCache]: Analyzing trace with hash 193499634, now seen corresponding path program 1 times [2024-11-14 04:49:25,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:49:25,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972295769] [2024-11-14 04:49:25,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:49:25,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:49:25,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:49:25,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:49:25,855 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:49:25,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972295769] [2024-11-14 04:49:25,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972295769] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:49:25,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:49:25,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 04:49:25,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828176326] [2024-11-14 04:49:25,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:49:25,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:49:25,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:49:25,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:49:25,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:49:25,857 INFO L87 Difference]: Start difference. First operand 2744 states and 9080 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:49:26,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:49:26,144 INFO L93 Difference]: Finished difference Result 4264 states and 13936 transitions. [2024-11-14 04:49:26,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 04:49:26,144 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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 20 [2024-11-14 04:49:26,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:49:26,180 INFO L225 Difference]: With dead ends: 4264 [2024-11-14 04:49:26,180 INFO L226 Difference]: Without dead ends: 2764 [2024-11-14 04:49:26,187 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-14 04:49:26,190 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 103 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:49:26,190 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 136 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 04:49:26,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2764 states. [2024-11-14 04:49:26,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2764 to 2264. [2024-11-14 04:49:26,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2264 states, 2263 states have (on average 3.250552364118427) internal successors, (7356), 2263 states have internal predecessors, (7356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:49:26,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2264 states to 2264 states and 7356 transitions. [2024-11-14 04:49:26,291 INFO L78 Accepts]: Start accepts. Automaton has 2264 states and 7356 transitions. Word has length 20 [2024-11-14 04:49:26,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:49:26,291 INFO L471 AbstractCegarLoop]: Abstraction has 2264 states and 7356 transitions. [2024-11-14 04:49:26,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:49:26,292 INFO L276 IsEmpty]: Start isEmpty. Operand 2264 states and 7356 transitions. [2024-11-14 04:49:26,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-14 04:49:26,297 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:49:26,297 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] [2024-11-14 04:49:26,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 04:49:26,298 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-14 04:49:26,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:49:26,299 INFO L85 PathProgramCache]: Analyzing trace with hash -40648866, now seen corresponding path program 1 times [2024-11-14 04:49:26,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:49:26,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927621468] [2024-11-14 04:49:26,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:49:26,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:49:26,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:49:26,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:49:26,608 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:49:26,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927621468] [2024-11-14 04:49:26,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927621468] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:49:26,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:49:26,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 04:49:26,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164196313] [2024-11-14 04:49:26,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:49:26,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 04:49:26,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:49:26,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 04:49:26,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-14 04:49:26,610 INFO L87 Difference]: Start difference. First operand 2264 states and 7356 transitions. Second operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:49:26,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:49:26,827 INFO L93 Difference]: Finished difference Result 3464 states and 11256 transitions. [2024-11-14 04:49:26,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 04:49:26,828 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 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 20 [2024-11-14 04:49:26,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:49:26,850 INFO L225 Difference]: With dead ends: 3464 [2024-11-14 04:49:26,850 INFO L226 Difference]: Without dead ends: 1614 [2024-11-14 04:49:26,855 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-14 04:49:26,857 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 100 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:49:26,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 133 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:49:26,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1614 states. [2024-11-14 04:49:26,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1614 to 1514. [2024-11-14 04:49:26,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1514 states, 1513 states have (on average 3.2194315928618638) internal successors, (4871), 1513 states have internal predecessors, (4871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:49:26,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1514 states to 1514 states and 4871 transitions. [2024-11-14 04:49:26,920 INFO L78 Accepts]: Start accepts. Automaton has 1514 states and 4871 transitions. Word has length 20 [2024-11-14 04:49:26,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:49:26,921 INFO L471 AbstractCegarLoop]: Abstraction has 1514 states and 4871 transitions. [2024-11-14 04:49:26,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:49:26,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1514 states and 4871 transitions. [2024-11-14 04:49:26,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-14 04:49:26,926 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:49:26,926 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] [2024-11-14 04:49:26,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 04:49:26,927 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-14 04:49:26,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:49:26,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1899762259, now seen corresponding path program 1 times [2024-11-14 04:49:26,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:49:26,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200774491] [2024-11-14 04:49:26,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:49:26,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:49:26,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:49:27,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:49:27,110 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:49:27,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200774491] [2024-11-14 04:49:27,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200774491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:49:27,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:49:27,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:49:27,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609028356] [2024-11-14 04:49:27,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:49:27,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:49:27,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:49:27,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:49:27,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:49:27,112 INFO L87 Difference]: Start difference. First operand 1514 states and 4871 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:49:27,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:49:27,212 INFO L93 Difference]: Finished difference Result 2292 states and 7242 transitions. [2024-11-14 04:49:27,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:49:27,213 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 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 23 [2024-11-14 04:49:27,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:49:27,234 INFO L225 Difference]: With dead ends: 2292 [2024-11-14 04:49:27,234 INFO L226 Difference]: Without dead ends: 1268 [2024-11-14 04:49:27,237 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:49:27,238 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 49 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:49:27,238 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 45 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:49:27,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1268 states. [2024-11-14 04:49:27,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1268 to 1268. [2024-11-14 04:49:27,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1268 states, 1267 states have (on average 3.09629044988161) internal successors, (3923), 1267 states have internal predecessors, (3923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:49:27,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1268 states and 3923 transitions. [2024-11-14 04:49:27,291 INFO L78 Accepts]: Start accepts. Automaton has 1268 states and 3923 transitions. Word has length 23 [2024-11-14 04:49:27,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:49:27,292 INFO L471 AbstractCegarLoop]: Abstraction has 1268 states and 3923 transitions. [2024-11-14 04:49:27,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:49:27,292 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 3923 transitions. [2024-11-14 04:49:27,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-14 04:49:27,296 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:49:27,296 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] [2024-11-14 04:49:27,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-14 04:49:27,297 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-14 04:49:27,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:49:27,297 INFO L85 PathProgramCache]: Analyzing trace with hash -767257368, now seen corresponding path program 1 times [2024-11-14 04:49:27,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:49:27,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956243632] [2024-11-14 04:49:27,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:49:27,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:49:27,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:49:27,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:49:27,539 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:49:27,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956243632] [2024-11-14 04:49:27,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956243632] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:49:27,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:49:27,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:49:27,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151077203] [2024-11-14 04:49:27,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:49:27,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 04:49:27,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:49:27,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 04:49:27,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:49:27,540 INFO L87 Difference]: Start difference. First operand 1268 states and 3923 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:49:27,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:49:27,671 INFO L93 Difference]: Finished difference Result 1616 states and 4879 transitions. [2024-11-14 04:49:27,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:49:27,672 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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 25 [2024-11-14 04:49:27,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:49:27,684 INFO L225 Difference]: With dead ends: 1616 [2024-11-14 04:49:27,684 INFO L226 Difference]: Without dead ends: 838 [2024-11-14 04:49:27,686 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-14 04:49:27,687 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 77 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:49:27,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 58 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:49:27,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2024-11-14 04:49:27,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2024-11-14 04:49:27,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 837 states have (on average 2.888888888888889) internal successors, (2418), 837 states have internal predecessors, (2418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:49:27,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 2418 transitions. [2024-11-14 04:49:27,729 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 2418 transitions. Word has length 25 [2024-11-14 04:49:27,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:49:27,730 INFO L471 AbstractCegarLoop]: Abstraction has 838 states and 2418 transitions. [2024-11-14 04:49:27,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:49:27,730 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 2418 transitions. [2024-11-14 04:49:27,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-14 04:49:27,733 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:49:27,733 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] [2024-11-14 04:49:27,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-14 04:49:27,734 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-14 04:49:27,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:49:27,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1169886007, now seen corresponding path program 1 times [2024-11-14 04:49:27,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:49:27,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141092909] [2024-11-14 04:49:27,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:49:27,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:49:27,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:49:27,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:49:27,968 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:49:27,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141092909] [2024-11-14 04:49:27,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141092909] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:49:27,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:49:27,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:49:27,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483649458] [2024-11-14 04:49:27,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:49:27,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:49:27,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:49:27,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:49:27,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:49:27,970 INFO L87 Difference]: Start difference. First operand 838 states and 2418 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:49:28,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:49:28,130 INFO L93 Difference]: Finished difference Result 902 states and 2570 transitions. [2024-11-14 04:49:28,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 04:49:28,131 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 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 27 [2024-11-14 04:49:28,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:49:28,142 INFO L225 Difference]: With dead ends: 902 [2024-11-14 04:49:28,142 INFO L226 Difference]: Without dead ends: 554 [2024-11-14 04:49:28,143 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-14 04:49:28,144 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 111 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:49:28,144 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 42 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:49:28,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2024-11-14 04:49:28,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 554. [2024-11-14 04:49:28,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 554 states, 553 states have (on average 2.8318264014466545) internal successors, (1566), 553 states have internal predecessors, (1566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:49:28,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 1566 transitions. [2024-11-14 04:49:28,175 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 1566 transitions. Word has length 27 [2024-11-14 04:49:28,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:49:28,176 INFO L471 AbstractCegarLoop]: Abstraction has 554 states and 1566 transitions. [2024-11-14 04:49:28,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:49:28,176 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 1566 transitions. [2024-11-14 04:49:28,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-14 04:49:28,180 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:49:28,180 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 04:49:28,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-14 04:49:28,180 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-14 04:49:28,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:49:28,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1845959438, now seen corresponding path program 1 times [2024-11-14 04:49:28,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:49:28,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479056592] [2024-11-14 04:49:28,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:49:28,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:49:28,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:49:28,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:49:28,489 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:49:28,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479056592] [2024-11-14 04:49:28,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479056592] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:49:28,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:49:28,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 04:49:28,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491674666] [2024-11-14 04:49:28,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:49:28,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:49:28,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:49:28,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:49:28,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:49:28,491 INFO L87 Difference]: Start difference. First operand 554 states and 1566 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 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 04:49:28,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:49:28,717 INFO L93 Difference]: Finished difference Result 754 states and 2104 transitions. [2024-11-14 04:49:28,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 04:49:28,718 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 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 04:49:28,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:49:28,728 INFO L225 Difference]: With dead ends: 754 [2024-11-14 04:49:28,728 INFO L226 Difference]: Without dead ends: 466 [2024-11-14 04:49:28,729 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-14 04:49:28,730 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 61 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:49:28,730 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 75 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:49:28,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2024-11-14 04:49:28,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 458. [2024-11-14 04:49:28,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 457 states have (on average 2.7439824945295404) internal successors, (1254), 457 states have internal predecessors, (1254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:49:28,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 1254 transitions. [2024-11-14 04:49:28,755 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 1254 transitions. Word has length 30 [2024-11-14 04:49:28,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:49:28,755 INFO L471 AbstractCegarLoop]: Abstraction has 458 states and 1254 transitions. [2024-11-14 04:49:28,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 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 04:49:28,756 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 1254 transitions. [2024-11-14 04:49:28,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-14 04:49:28,757 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:49:28,758 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 04:49:28,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-14 04:49:28,758 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-14 04:49:28,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:49:28,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1835852308, now seen corresponding path program 2 times [2024-11-14 04:49:28,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:49:28,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997964623] [2024-11-14 04:49:28,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:49:28,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:49:28,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:49:29,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:49:29,006 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:49:29,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997964623] [2024-11-14 04:49:29,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997964623] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:49:29,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:49:29,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 04:49:29,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448676611] [2024-11-14 04:49:29,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:49:29,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:49:29,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:49:29,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:49:29,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:49:29,008 INFO L87 Difference]: Start difference. First operand 458 states and 1254 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 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 04:49:29,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:49:29,176 INFO L93 Difference]: Finished difference Result 458 states and 1254 transitions. [2024-11-14 04:49:29,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 04:49:29,177 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 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 04:49:29,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:49:29,187 INFO L225 Difference]: With dead ends: 458 [2024-11-14 04:49:29,187 INFO L226 Difference]: Without dead ends: 0 [2024-11-14 04:49:29,188 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-14 04:49:29,189 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 33 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:49:29,190 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 81 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:49:29,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-14 04:49:29,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-14 04:49:29,192 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 04:49:29,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-14 04:49:29,199 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2024-11-14 04:49:29,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:49:29,200 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-14 04:49:29,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 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 04:49:29,200 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-14 04:49:29,201 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-14 04:49:29,204 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 5 remaining) [2024-11-14 04:49:29,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 5 remaining) [2024-11-14 04:49:29,206 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-11-14 04:49:29,206 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-11-14 04:49:29,206 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-11-14 04:49:29,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-14 04:49:29,210 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:49:29,216 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-14 04:49:29,216 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:49:29,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:49:29 BasicIcfg [2024-11-14 04:49:29,223 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:49:29,224 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:49:29,224 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:49:29,224 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:49:29,225 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:49:21" (3/4) ... [2024-11-14 04:49:29,228 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-14 04:49:29,232 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-14 04:49:29,232 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-14 04:49:29,233 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-14 04:49:29,238 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2024-11-14 04:49:29,239 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-14 04:49:29,239 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-14 04:49:29,239 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-14 04:49:29,350 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d20cd5c4-c701-4144-8b54-3c5ad8a45800/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 04:49:29,350 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d20cd5c4-c701-4144-8b54-3c5ad8a45800/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-14 04:49:29,351 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:49:29,353 INFO L158 Benchmark]: Toolchain (without parser) took 8991.89ms. Allocated memory was 117.4MB in the beginning and 444.6MB in the end (delta: 327.2MB). Free memory was 91.5MB in the beginning and 176.9MB in the end (delta: -85.5MB). Peak memory consumption was 243.0MB. Max. memory is 16.1GB. [2024-11-14 04:49:29,353 INFO L158 Benchmark]: CDTParser took 1.02ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 74.4MB in the end (delta: 196.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:49:29,354 INFO L158 Benchmark]: CACSL2BoogieTranslator took 573.12ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 71.3MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:49:29,355 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.43ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 69.6MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:49:29,355 INFO L158 Benchmark]: Boogie Preprocessor took 35.99ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 68.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:49:29,355 INFO L158 Benchmark]: RCFGBuilder took 543.83ms. Allocated memory is still 117.4MB. Free memory was 68.6MB in the beginning and 50.4MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:49:29,356 INFO L158 Benchmark]: TraceAbstraction took 7654.60ms. Allocated memory was 117.4MB in the beginning and 444.6MB in the end (delta: 327.2MB). Free memory was 49.9MB in the beginning and 181.4MB in the end (delta: -131.5MB). Peak memory consumption was 192.7MB. Max. memory is 16.1GB. [2024-11-14 04:49:29,356 INFO L158 Benchmark]: Witness Printer took 127.11ms. Allocated memory is still 444.6MB. Free memory was 181.4MB in the beginning and 176.9MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:49:29,360 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.02ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 74.4MB in the end (delta: 196.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 573.12ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 71.3MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.43ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 69.6MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.99ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 68.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 543.83ms. Allocated memory is still 117.4MB. Free memory was 68.6MB in the beginning and 50.4MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 7654.60ms. Allocated memory was 117.4MB in the beginning and 444.6MB in the end (delta: 327.2MB). Free memory was 49.9MB in the beginning and 181.4MB in the end (delta: -131.5MB). Peak memory consumption was 192.7MB. Max. memory is 16.1GB. * Witness Printer took 127.11ms. Allocated memory is still 444.6MB. Free memory was 181.4MB in the beginning and 176.9MB in the end (delta: 4.5MB). 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: 776]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 17]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 66 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 7.5s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 771 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 771 mSDsluCounter, 918 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 622 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 783 IncrementalHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 296 mSDtfsCounter, 783 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 75 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4916occurred in iteration=0, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 10 MinimizatonAttempts, 1703 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 222 NumberOfCodeBlocks, 222 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 212 ConstructedInterpolants, 0 QuantifiedInterpolants, 894 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-14 04:49:29,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d20cd5c4-c701-4144-8b54-3c5ad8a45800/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