./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas.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_dffd39a1-7198-4f4d-9e21-b4863bd3284e/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffd39a1-7198-4f4d-9e21-b4863bd3284e/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_dffd39a1-7198-4f4d-9e21-b4863bd3284e/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffd39a1-7198-4f4d-9e21-b4863bd3284e/bin/utaipan-verify-sOmjnqqW8E/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffd39a1-7198-4f4d-9e21-b4863bd3284e/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_dffd39a1-7198-4f4d-9e21-b4863bd3284e/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 3df48c747d95355ac505f3aa498934ae4a3962ec64d7e6dbfdd54f02fbeda355 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:26:08,523 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:26:08,607 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffd39a1-7198-4f4d-9e21-b4863bd3284e/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2024-11-14 05:26:08,618 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:26:08,618 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:26:08,657 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:26:08,660 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:26:08,660 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:26:08,661 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:26:08,661 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:26:08,661 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:26:08,661 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:26:08,662 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:26:08,662 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:26:08,663 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:26:08,663 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:26:08,663 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:26:08,663 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:26:08,665 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:26:08,665 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:26:08,665 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:26:08,665 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:26:08,666 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-14 05:26:08,666 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-14 05:26:08,666 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:26:08,666 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:26:08,666 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:26:08,666 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:26:08,666 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:26:08,666 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-14 05:26:08,667 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-14 05:26:08,667 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-14 05:26:08,667 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:26:08,667 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 05:26:08,667 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:26:08,667 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 05:26:08,667 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:26:08,667 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:26:08,667 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:26:08,667 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:26:08,667 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:26:08,667 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:26:08,668 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:26:08,668 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:26:08,668 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:26:08,668 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:26:08,668 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:26:08,668 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:26:08,668 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:26:08,668 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_dffd39a1-7198-4f4d-9e21-b4863bd3284e/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 -> 3df48c747d95355ac505f3aa498934ae4a3962ec64d7e6dbfdd54f02fbeda355 [2024-11-14 05:26:09,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:26:09,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:26:09,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:26:09,039 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:26:09,040 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:26:09,042 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffd39a1-7198-4f4d-9e21-b4863bd3284e/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/pthread-ext/26_stack_cas.i Unable to find full path for "g++" [2024-11-14 05:26:11,083 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:26:11,429 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:26:11,429 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffd39a1-7198-4f4d-9e21-b4863bd3284e/sv-benchmarks/c/pthread-ext/26_stack_cas.i [2024-11-14 05:26:11,452 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffd39a1-7198-4f4d-9e21-b4863bd3284e/bin/utaipan-verify-sOmjnqqW8E/data/f97b17d21/7525c888b05340a591be32701d4abfce/FLAGd3957f5e5 [2024-11-14 05:26:11,478 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffd39a1-7198-4f4d-9e21-b4863bd3284e/bin/utaipan-verify-sOmjnqqW8E/data/f97b17d21/7525c888b05340a591be32701d4abfce [2024-11-14 05:26:11,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:26:11,484 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:26:11,485 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:26:11,486 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:26:11,491 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:26:11,492 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:26:11" (1/1) ... [2024-11-14 05:26:11,493 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77e8f9fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:26:11, skipping insertion in model container [2024-11-14 05:26:11,495 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:26:11" (1/1) ... [2024-11-14 05:26:11,548 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:26:12,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:26:12,079 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:26:12,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:26:12,180 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:26:12,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:26:12 WrapperNode [2024-11-14 05:26:12,181 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:26:12,182 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:26:12,183 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:26:12,183 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:26:12,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:26:12" (1/1) ... [2024-11-14 05:26:12,208 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:26:12" (1/1) ... [2024-11-14 05:26:12,247 INFO L138 Inliner]: procedures = 179, calls = 47, calls flagged for inlining = 17, calls inlined = 20, statements flattened = 253 [2024-11-14 05:26:12,251 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:26:12,252 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:26:12,253 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:26:12,253 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:26:12,263 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:26:12" (1/1) ... [2024-11-14 05:26:12,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:26:12" (1/1) ... [2024-11-14 05:26:12,268 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:26:12" (1/1) ... [2024-11-14 05:26:12,273 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:26:12" (1/1) ... [2024-11-14 05:26:12,290 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:26:12" (1/1) ... [2024-11-14 05:26:12,299 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:26:12" (1/1) ... [2024-11-14 05:26:12,301 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:26:12" (1/1) ... [2024-11-14 05:26:12,306 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:26:12" (1/1) ... [2024-11-14 05:26:12,309 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:26:12,310 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:26:12,310 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:26:12,311 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:26:12,312 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:26:12" (1/1) ... [2024-11-14 05:26:12,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:26:12,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffd39a1-7198-4f4d-9e21-b4863bd3284e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:26:12,350 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffd39a1-7198-4f4d-9e21-b4863bd3284e/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:26:12,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffd39a1-7198-4f4d-9e21-b4863bd3284e/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:26:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 05:26:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-14 05:26:12,387 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-14 05:26:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 05:26:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-14 05:26:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:26:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 05:26:12,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 05:26:12,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:26:12,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-14 05:26:12,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:26:12,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:26:12,391 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-14 05:26:12,616 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:26:12,618 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:26:13,331 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 05:26:13,331 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:26:14,130 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:26:14,131 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-14 05:26:14,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:26:14 BoogieIcfgContainer [2024-11-14 05:26:14,131 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:26:14,135 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:26:14,135 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:26:14,141 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:26:14,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:26:11" (1/3) ... [2024-11-14 05:26:14,142 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@104c1aaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:26:14, skipping insertion in model container [2024-11-14 05:26:14,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:26:12" (2/3) ... [2024-11-14 05:26:14,144 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@104c1aaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:26:14, skipping insertion in model container [2024-11-14 05:26:14,144 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:26:14" (3/3) ... [2024-11-14 05:26:14,145 INFO L112 eAbstractionObserver]: Analyzing ICFG 26_stack_cas.i [2024-11-14 05:26:14,166 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:26:14,169 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 26_stack_cas.i that has 2 procedures, 74 locations, 1 initial locations, 3 loop locations, and 40 error locations. [2024-11-14 05:26:14,169 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 05:26:14,313 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-14 05:26:14,355 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 77 places, 82 transitions, 168 flow [2024-11-14 05:26:14,441 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 472 states, 352 states have (on average 2.6136363636363638) internal successors, (920), 471 states have internal predecessors, (920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:26:14,483 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:26:14,502 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;@227b0b60, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:26:14,502 INFO L334 AbstractCegarLoop]: Starting to check reachability of 80 error locations. [2024-11-14 05:26:14,507 INFO L276 IsEmpty]: Start isEmpty. Operand has 472 states, 352 states have (on average 2.6136363636363638) internal successors, (920), 471 states have internal predecessors, (920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:26:14,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-14 05:26:14,514 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:26:14,515 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-14 05:26:14,516 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 77 more)] === [2024-11-14 05:26:14,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:26:14,523 INFO L85 PathProgramCache]: Analyzing trace with hash 816059, now seen corresponding path program 1 times [2024-11-14 05:26:14,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:26:14,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049990724] [2024-11-14 05:26:14,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:26:14,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:26:15,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:26:15,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:26:15,596 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:26:15,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049990724] [2024-11-14 05:26:15,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049990724] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:26:15,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:26:15,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:26:15,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341678068] [2024-11-14 05:26:15,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:26:15,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 05:26:15,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:26:15,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 05:26:15,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:26:15,639 INFO L87 Difference]: Start difference. First operand has 472 states, 352 states have (on average 2.6136363636363638) internal successors, (920), 471 states have internal predecessors, (920), 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 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:26:15,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:26:15,849 INFO L93 Difference]: Finished difference Result 632 states and 1292 transitions. [2024-11-14 05:26:15,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 05:26:15,853 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2024-11-14 05:26:15,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:26:15,864 INFO L225 Difference]: With dead ends: 632 [2024-11-14 05:26:15,864 INFO L226 Difference]: Without dead ends: 223 [2024-11-14 05:26:15,869 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:26:15,872 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:26:15,873 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 05:26:15,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-11-14 05:26:15,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2024-11-14 05:26:15,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 195 states have (on average 2.0923076923076924) internal successors, (408), 222 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:26:15,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 408 transitions. [2024-11-14 05:26:15,957 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 408 transitions. Word has length 3 [2024-11-14 05:26:15,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:26:15,959 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 408 transitions. [2024-11-14 05:26:15,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:26:15,959 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 408 transitions. [2024-11-14 05:26:15,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-14 05:26:15,960 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:26:15,961 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-14 05:26:15,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:26:15,961 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 77 more)] === [2024-11-14 05:26:15,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:26:15,963 INFO L85 PathProgramCache]: Analyzing trace with hash 784379705, now seen corresponding path program 1 times [2024-11-14 05:26:15,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:26:15,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039710135] [2024-11-14 05:26:15,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:26:15,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:26:16,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:26:16,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:26:16,573 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:26:16,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039710135] [2024-11-14 05:26:16,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039710135] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:26:16,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:26:16,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-14 05:26:16,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624490855] [2024-11-14 05:26:16,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:26:16,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:26:16,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:26:16,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:26:16,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:26:16,576 INFO L87 Difference]: Start difference. First operand 223 states and 408 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:26:16,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:26:16,801 INFO L93 Difference]: Finished difference Result 355 states and 655 transitions. [2024-11-14 05:26:16,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:26:16,803 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-14 05:26:16,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:26:16,807 INFO L225 Difference]: With dead ends: 355 [2024-11-14 05:26:16,809 INFO L226 Difference]: Without dead ends: 347 [2024-11-14 05:26:16,809 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 05:26:16,811 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 51 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:26:16,811 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 24 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 05:26:16,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2024-11-14 05:26:16,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 215. [2024-11-14 05:26:16,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 189 states have (on average 2.0846560846560847) internal successors, (394), 214 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:26:16,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 394 transitions. [2024-11-14 05:26:16,840 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 394 transitions. Word has length 5 [2024-11-14 05:26:16,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:26:16,840 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 394 transitions. [2024-11-14 05:26:16,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:26:16,841 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 394 transitions. [2024-11-14 05:26:16,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-14 05:26:16,841 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:26:16,841 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-14 05:26:16,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 05:26:16,842 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 77 more)] === [2024-11-14 05:26:16,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:26:16,842 INFO L85 PathProgramCache]: Analyzing trace with hash 784379706, now seen corresponding path program 1 times [2024-11-14 05:26:16,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:26:16,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062111559] [2024-11-14 05:26:16,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:26:16,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:26:17,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:26:17,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:26:17,366 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:26:17,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062111559] [2024-11-14 05:26:17,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062111559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:26:17,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:26:17,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-14 05:26:17,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292636353] [2024-11-14 05:26:17,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:26:17,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:26:17,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:26:17,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:26:17,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:26:17,368 INFO L87 Difference]: Start difference. First operand 215 states and 394 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:26:17,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:26:17,480 INFO L93 Difference]: Finished difference Result 215 states and 394 transitions. [2024-11-14 05:26:17,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:26:17,480 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-14 05:26:17,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:26:17,482 INFO L225 Difference]: With dead ends: 215 [2024-11-14 05:26:17,482 INFO L226 Difference]: Without dead ends: 207 [2024-11-14 05:26:17,483 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 05:26:17,483 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 56 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:26:17,484 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 16 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:26:17,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-14 05:26:17,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2024-11-14 05:26:17,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 183 states have (on average 2.0765027322404372) internal successors, (380), 206 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:26:17,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 380 transitions. [2024-11-14 05:26:17,496 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 380 transitions. Word has length 5 [2024-11-14 05:26:17,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:26:17,496 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 380 transitions. [2024-11-14 05:26:17,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:26:17,497 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 380 transitions. [2024-11-14 05:26:17,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-14 05:26:17,497 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:26:17,497 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2024-11-14 05:26:17,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 05:26:17,498 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 77 more)] === [2024-11-14 05:26:17,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:26:17,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1454055815, now seen corresponding path program 1 times [2024-11-14 05:26:17,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:26:17,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544923305] [2024-11-14 05:26:17,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:26:17,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:26:18,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:26:18,011 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:26:18,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:26:18,061 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 05:26:18,062 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:26:18,062 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (79 of 80 remaining) [2024-11-14 05:26:18,064 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (78 of 80 remaining) [2024-11-14 05:26:18,064 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (77 of 80 remaining) [2024-11-14 05:26:18,065 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (76 of 80 remaining) [2024-11-14 05:26:18,065 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (75 of 80 remaining) [2024-11-14 05:26:18,065 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (74 of 80 remaining) [2024-11-14 05:26:18,065 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (73 of 80 remaining) [2024-11-14 05:26:18,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (72 of 80 remaining) [2024-11-14 05:26:18,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (71 of 80 remaining) [2024-11-14 05:26:18,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (70 of 80 remaining) [2024-11-14 05:26:18,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (69 of 80 remaining) [2024-11-14 05:26:18,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (68 of 80 remaining) [2024-11-14 05:26:18,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (67 of 80 remaining) [2024-11-14 05:26:18,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (66 of 80 remaining) [2024-11-14 05:26:18,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (65 of 80 remaining) [2024-11-14 05:26:18,067 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (64 of 80 remaining) [2024-11-14 05:26:18,067 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (63 of 80 remaining) [2024-11-14 05:26:18,067 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (62 of 80 remaining) [2024-11-14 05:26:18,067 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (61 of 80 remaining) [2024-11-14 05:26:18,067 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (60 of 80 remaining) [2024-11-14 05:26:18,067 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (59 of 80 remaining) [2024-11-14 05:26:18,067 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (58 of 80 remaining) [2024-11-14 05:26:18,067 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (57 of 80 remaining) [2024-11-14 05:26:18,067 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONARRAY_INDEX (56 of 80 remaining) [2024-11-14 05:26:18,068 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36REQUIRES_VIOLATIONMEMORY_DEREFERENCE (55 of 80 remaining) [2024-11-14 05:26:18,068 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37REQUIRES_VIOLATIONMEMORY_DEREFERENCE (54 of 80 remaining) [2024-11-14 05:26:18,068 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONMEMORY_LEAK (53 of 80 remaining) [2024-11-14 05:26:18,068 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (52 of 80 remaining) [2024-11-14 05:26:18,068 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24REQUIRES_VIOLATIONMEMORY_DEREFERENCE (51 of 80 remaining) [2024-11-14 05:26:18,068 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONARRAY_INDEX (50 of 80 remaining) [2024-11-14 05:26:18,068 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26REQUIRES_VIOLATIONMEMORY_DEREFERENCE (49 of 80 remaining) [2024-11-14 05:26:18,068 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27REQUIRES_VIOLATIONMEMORY_DEREFERENCE (48 of 80 remaining) [2024-11-14 05:26:18,069 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28REQUIRES_VIOLATIONMEMORY_DEREFERENCE (47 of 80 remaining) [2024-11-14 05:26:18,069 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29REQUIRES_VIOLATIONMEMORY_DEREFERENCE (46 of 80 remaining) [2024-11-14 05:26:18,069 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30REQUIRES_VIOLATIONMEMORY_DEREFERENCE (45 of 80 remaining) [2024-11-14 05:26:18,070 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31REQUIRES_VIOLATIONMEMORY_DEREFERENCE (44 of 80 remaining) [2024-11-14 05:26:18,070 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32REQUIRES_VIOLATIONMEMORY_DEREFERENCE (43 of 80 remaining) [2024-11-14 05:26:18,070 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33REQUIRES_VIOLATIONMEMORY_DEREFERENCE (42 of 80 remaining) [2024-11-14 05:26:18,070 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34REQUIRES_VIOLATIONMEMORY_DEREFERENCE (41 of 80 remaining) [2024-11-14 05:26:18,070 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35REQUIRES_VIOLATIONMEMORY_DEREFERENCE (40 of 80 remaining) [2024-11-14 05:26:18,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (39 of 80 remaining) [2024-11-14 05:26:18,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (38 of 80 remaining) [2024-11-14 05:26:18,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (37 of 80 remaining) [2024-11-14 05:26:18,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (36 of 80 remaining) [2024-11-14 05:26:18,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (35 of 80 remaining) [2024-11-14 05:26:18,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (34 of 80 remaining) [2024-11-14 05:26:18,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (33 of 80 remaining) [2024-11-14 05:26:18,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (32 of 80 remaining) [2024-11-14 05:26:18,072 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (31 of 80 remaining) [2024-11-14 05:26:18,072 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (30 of 80 remaining) [2024-11-14 05:26:18,072 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (29 of 80 remaining) [2024-11-14 05:26:18,072 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 80 remaining) [2024-11-14 05:26:18,072 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 80 remaining) [2024-11-14 05:26:18,072 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 80 remaining) [2024-11-14 05:26:18,072 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 80 remaining) [2024-11-14 05:26:18,073 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (24 of 80 remaining) [2024-11-14 05:26:18,073 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 80 remaining) [2024-11-14 05:26:18,073 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 80 remaining) [2024-11-14 05:26:18,073 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (21 of 80 remaining) [2024-11-14 05:26:18,073 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 80 remaining) [2024-11-14 05:26:18,073 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 80 remaining) [2024-11-14 05:26:18,074 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 80 remaining) [2024-11-14 05:26:18,074 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 80 remaining) [2024-11-14 05:26:18,074 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONARRAY_INDEX (16 of 80 remaining) [2024-11-14 05:26:18,074 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 80 remaining) [2024-11-14 05:26:18,074 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 80 remaining) [2024-11-14 05:26:18,074 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONMEMORY_LEAK (13 of 80 remaining) [2024-11-14 05:26:18,074 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 80 remaining) [2024-11-14 05:26:18,074 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 80 remaining) [2024-11-14 05:26:18,074 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONARRAY_INDEX (10 of 80 remaining) [2024-11-14 05:26:18,075 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 80 remaining) [2024-11-14 05:26:18,075 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 80 remaining) [2024-11-14 05:26:18,075 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 80 remaining) [2024-11-14 05:26:18,075 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 80 remaining) [2024-11-14 05:26:18,075 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 80 remaining) [2024-11-14 05:26:18,075 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 80 remaining) [2024-11-14 05:26:18,075 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 80 remaining) [2024-11-14 05:26:18,075 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 80 remaining) [2024-11-14 05:26:18,076 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 80 remaining) [2024-11-14 05:26:18,076 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 80 remaining) [2024-11-14 05:26:18,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 05:26:18,079 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-14 05:26:18,082 WARN L247 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-14 05:26:18,082 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-14 05:26:18,203 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-14 05:26:18,209 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 146 places, 157 transitions, 324 flow [2024-11-14 05:26:19,529 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 31824 states, 26945 states have (on average 3.6064575988123955) internal successors, (97176), 31823 states have internal predecessors, (97176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:26:19,532 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:26:19,534 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;@227b0b60, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:26:19,534 INFO L334 AbstractCegarLoop]: Starting to check reachability of 119 error locations. [2024-11-14 05:26:19,606 INFO L276 IsEmpty]: Start isEmpty. Operand has 31824 states, 26945 states have (on average 3.6064575988123955) internal successors, (97176), 31823 states have internal predecessors, (97176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:26:19,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-14 05:26:19,607 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:26:19,607 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-14 05:26:19,607 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 116 more)] === [2024-11-14 05:26:19,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:26:19,611 INFO L85 PathProgramCache]: Analyzing trace with hash 971960, now seen corresponding path program 1 times [2024-11-14 05:26:19,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:26:19,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186420009] [2024-11-14 05:26:19,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:26:19,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:26:20,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:26:20,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:26:20,194 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:26:20,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186420009] [2024-11-14 05:26:20,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186420009] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:26:20,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:26:20,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:26:20,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276692821] [2024-11-14 05:26:20,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:26:20,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 05:26:20,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:26:20,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 05:26:20,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:26:20,241 INFO L87 Difference]: Start difference. First operand has 31824 states, 26945 states have (on average 3.6064575988123955) internal successors, (97176), 31823 states have internal predecessors, (97176), 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 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:26:21,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:26:21,215 INFO L93 Difference]: Finished difference Result 43144 states and 138735 transitions. [2024-11-14 05:26:21,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 05:26:21,216 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2024-11-14 05:26:21,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:26:21,387 INFO L225 Difference]: With dead ends: 43144 [2024-11-14 05:26:21,388 INFO L226 Difference]: Without dead ends: 12268 [2024-11-14 05:26:21,443 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:26:21,445 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:26:21,446 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 37 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 05:26:21,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12268 states. [2024-11-14 05:26:22,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12268 to 12268. [2024-11-14 05:26:22,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12268 states, 11484 states have (on average 3.119383490073145) internal successors, (35823), 12267 states have internal predecessors, (35823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:26:22,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12268 states to 12268 states and 35823 transitions. [2024-11-14 05:26:22,170 INFO L78 Accepts]: Start accepts. Automaton has 12268 states and 35823 transitions. Word has length 3 [2024-11-14 05:26:22,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:26:22,170 INFO L471 AbstractCegarLoop]: Abstraction has 12268 states and 35823 transitions. [2024-11-14 05:26:22,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:26:22,170 INFO L276 IsEmpty]: Start isEmpty. Operand 12268 states and 35823 transitions. [2024-11-14 05:26:22,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-14 05:26:22,171 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:26:22,171 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-14 05:26:22,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 05:26:22,172 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 116 more)] === [2024-11-14 05:26:22,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:26:22,173 INFO L85 PathProgramCache]: Analyzing trace with hash 934279072, now seen corresponding path program 1 times [2024-11-14 05:26:22,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:26:22,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422003208] [2024-11-14 05:26:22,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:26:22,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:26:22,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:26:22,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:26:22,877 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:26:22,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422003208] [2024-11-14 05:26:22,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422003208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:26:22,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:26:22,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-14 05:26:22,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534097093] [2024-11-14 05:26:22,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:26:22,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:26:22,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:26:22,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:26:22,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:26:22,879 INFO L87 Difference]: Start difference. First operand 12268 states and 35823 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:26:23,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:26:23,511 INFO L93 Difference]: Finished difference Result 21291 states and 62358 transitions. [2024-11-14 05:26:23,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:26:23,512 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-14 05:26:23,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:26:23,704 INFO L225 Difference]: With dead ends: 21291 [2024-11-14 05:26:23,704 INFO L226 Difference]: Without dead ends: 20421 [2024-11-14 05:26:23,718 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 05:26:23,719 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 102 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 05:26:23,719 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 62 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 05:26:23,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20421 states. [2024-11-14 05:26:24,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20421 to 14217. [2024-11-14 05:26:24,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14217 states, 13457 states have (on average 3.191573158950732) internal successors, (42949), 14216 states have internal predecessors, (42949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:26:24,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14217 states to 14217 states and 42949 transitions. [2024-11-14 05:26:24,483 INFO L78 Accepts]: Start accepts. Automaton has 14217 states and 42949 transitions. Word has length 5 [2024-11-14 05:26:24,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:26:24,484 INFO L471 AbstractCegarLoop]: Abstraction has 14217 states and 42949 transitions. [2024-11-14 05:26:24,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:26:24,484 INFO L276 IsEmpty]: Start isEmpty. Operand 14217 states and 42949 transitions. [2024-11-14 05:26:24,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-14 05:26:24,484 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:26:24,485 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-14 05:26:24,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-14 05:26:24,485 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 116 more)] === [2024-11-14 05:26:24,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:26:24,486 INFO L85 PathProgramCache]: Analyzing trace with hash 934279073, now seen corresponding path program 1 times [2024-11-14 05:26:24,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:26:24,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273688994] [2024-11-14 05:26:24,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:26:24,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:26:24,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:26:25,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:26:25,042 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:26:25,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273688994] [2024-11-14 05:26:25,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273688994] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:26:25,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:26:25,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-14 05:26:25,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963829535] [2024-11-14 05:26:25,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:26:25,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:26:25,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:26:25,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:26:25,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:26:25,046 INFO L87 Difference]: Start difference. First operand 14217 states and 42949 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:26:25,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:26:25,379 INFO L93 Difference]: Finished difference Result 14217 states and 42949 transitions. [2024-11-14 05:26:25,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:26:25,380 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-14 05:26:25,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:26:25,508 INFO L225 Difference]: With dead ends: 14217 [2024-11-14 05:26:25,508 INFO L226 Difference]: Without dead ends: 13379 [2024-11-14 05:26:25,518 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 05:26:25,519 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 116 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:26:25,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 31 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 05:26:25,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13379 states. [2024-11-14 05:26:25,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13379 to 13379. [2024-11-14 05:26:25,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13379 states, 12719 states have (on average 3.1481248525827503) internal successors, (40041), 13378 states have internal predecessors, (40041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:26:26,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13379 states to 13379 states and 40041 transitions. [2024-11-14 05:26:26,048 INFO L78 Accepts]: Start accepts. Automaton has 13379 states and 40041 transitions. Word has length 5 [2024-11-14 05:26:26,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:26:26,048 INFO L471 AbstractCegarLoop]: Abstraction has 13379 states and 40041 transitions. [2024-11-14 05:26:26,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:26:26,048 INFO L276 IsEmpty]: Start isEmpty. Operand 13379 states and 40041 transitions. [2024-11-14 05:26:26,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-14 05:26:26,050 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:26:26,050 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:26:26,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-14 05:26:26,052 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 116 more)] === [2024-11-14 05:26:26,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:26:26,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1720944531, now seen corresponding path program 1 times [2024-11-14 05:26:26,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:26:26,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599526644] [2024-11-14 05:26:26,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:26:26,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:26:26,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:26:26,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:26:26,378 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:26:26,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599526644] [2024-11-14 05:26:26,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599526644] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:26:26,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:26:26,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-14 05:26:26,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711531491] [2024-11-14 05:26:26,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:26:26,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:26:26,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:26:26,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:26:26,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:26:26,380 INFO L87 Difference]: Start difference. First operand 13379 states and 40041 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:26:26,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:26:26,930 INFO L93 Difference]: Finished difference Result 19175 states and 56284 transitions. [2024-11-14 05:26:26,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:26:26,931 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-14 05:26:26,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:26:27,044 INFO L225 Difference]: With dead ends: 19175 [2024-11-14 05:26:27,045 INFO L226 Difference]: Without dead ends: 17978 [2024-11-14 05:26:27,054 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 05:26:27,055 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 89 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 05:26:27,055 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 60 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 05:26:27,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17978 states. [2024-11-14 05:26:27,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17978 to 16570. [2024-11-14 05:26:27,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16570 states, 15915 states have (on average 3.2557335846685516) internal successors, (51815), 16569 states have internal predecessors, (51815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:26:27,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16570 states to 16570 states and 51815 transitions. [2024-11-14 05:26:27,546 INFO L78 Accepts]: Start accepts. Automaton has 16570 states and 51815 transitions. Word has length 8 [2024-11-14 05:26:27,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:26:27,546 INFO L471 AbstractCegarLoop]: Abstraction has 16570 states and 51815 transitions. [2024-11-14 05:26:27,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:26:27,547 INFO L276 IsEmpty]: Start isEmpty. Operand 16570 states and 51815 transitions. [2024-11-14 05:26:27,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-14 05:26:27,547 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:26:27,547 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:26:27,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-14 05:26:27,548 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 116 more)] === [2024-11-14 05:26:27,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:26:27,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1720944532, now seen corresponding path program 1 times [2024-11-14 05:26:27,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:26:27,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506449382] [2024-11-14 05:26:27,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:26:27,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:26:27,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:26:28,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:26:28,024 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:26:28,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506449382] [2024-11-14 05:26:28,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506449382] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:26:28,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:26:28,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-14 05:26:28,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860736562] [2024-11-14 05:26:28,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:26:28,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:26:28,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:26:28,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:26:28,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:26:28,025 INFO L87 Difference]: Start difference. First operand 16570 states and 51815 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:26:28,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:26:28,355 INFO L93 Difference]: Finished difference Result 16570 states and 51815 transitions. [2024-11-14 05:26:28,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:26:28,355 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-14 05:26:28,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:26:28,477 INFO L225 Difference]: With dead ends: 16570 [2024-11-14 05:26:28,477 INFO L226 Difference]: Without dead ends: 14440 [2024-11-14 05:26:28,488 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 05:26:28,489 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 105 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:26:28,490 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 29 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 05:26:28,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14440 states. [2024-11-14 05:26:28,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14440 to 14440. [2024-11-14 05:26:28,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14440 states, 13971 states have (on average 3.214873666881397) internal successors, (44915), 14439 states have internal predecessors, (44915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:26:28,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14440 states to 14440 states and 44915 transitions. [2024-11-14 05:26:28,994 INFO L78 Accepts]: Start accepts. Automaton has 14440 states and 44915 transitions. Word has length 8 [2024-11-14 05:26:28,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:26:28,994 INFO L471 AbstractCegarLoop]: Abstraction has 14440 states and 44915 transitions. [2024-11-14 05:26:28,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:26:28,994 INFO L276 IsEmpty]: Start isEmpty. Operand 14440 states and 44915 transitions. [2024-11-14 05:26:28,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-14 05:26:28,995 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:26:28,995 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1] [2024-11-14 05:26:28,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-14 05:26:28,996 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 116 more)] === [2024-11-14 05:26:28,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:26:28,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1088200707, now seen corresponding path program 1 times [2024-11-14 05:26:28,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:26:28,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022421401] [2024-11-14 05:26:28,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:26:28,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:26:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:26:29,331 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:26:29,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:26:29,357 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 05:26:29,357 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:26:29,358 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (118 of 119 remaining) [2024-11-14 05:26:29,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (117 of 119 remaining) [2024-11-14 05:26:29,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (116 of 119 remaining) [2024-11-14 05:26:29,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (115 of 119 remaining) [2024-11-14 05:26:29,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (114 of 119 remaining) [2024-11-14 05:26:29,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (113 of 119 remaining) [2024-11-14 05:26:29,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (112 of 119 remaining) [2024-11-14 05:26:29,361 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (111 of 119 remaining) [2024-11-14 05:26:29,361 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (110 of 119 remaining) [2024-11-14 05:26:29,361 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (109 of 119 remaining) [2024-11-14 05:26:29,361 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (108 of 119 remaining) [2024-11-14 05:26:29,362 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (107 of 119 remaining) [2024-11-14 05:26:29,362 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (106 of 119 remaining) [2024-11-14 05:26:29,362 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (105 of 119 remaining) [2024-11-14 05:26:29,362 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (104 of 119 remaining) [2024-11-14 05:26:29,363 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (103 of 119 remaining) [2024-11-14 05:26:29,363 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (102 of 119 remaining) [2024-11-14 05:26:29,363 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (101 of 119 remaining) [2024-11-14 05:26:29,363 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (100 of 119 remaining) [2024-11-14 05:26:29,364 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (99 of 119 remaining) [2024-11-14 05:26:29,364 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (98 of 119 remaining) [2024-11-14 05:26:29,364 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (97 of 119 remaining) [2024-11-14 05:26:29,364 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (96 of 119 remaining) [2024-11-14 05:26:29,364 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONARRAY_INDEX (95 of 119 remaining) [2024-11-14 05:26:29,364 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36REQUIRES_VIOLATIONMEMORY_DEREFERENCE (94 of 119 remaining) [2024-11-14 05:26:29,364 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37REQUIRES_VIOLATIONMEMORY_DEREFERENCE (93 of 119 remaining) [2024-11-14 05:26:29,364 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONMEMORY_LEAK (92 of 119 remaining) [2024-11-14 05:26:29,364 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (91 of 119 remaining) [2024-11-14 05:26:29,364 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24REQUIRES_VIOLATIONMEMORY_DEREFERENCE (90 of 119 remaining) [2024-11-14 05:26:29,364 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONARRAY_INDEX (89 of 119 remaining) [2024-11-14 05:26:29,364 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26REQUIRES_VIOLATIONMEMORY_DEREFERENCE (88 of 119 remaining) [2024-11-14 05:26:29,364 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27REQUIRES_VIOLATIONMEMORY_DEREFERENCE (87 of 119 remaining) [2024-11-14 05:26:29,364 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28REQUIRES_VIOLATIONMEMORY_DEREFERENCE (86 of 119 remaining) [2024-11-14 05:26:29,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29REQUIRES_VIOLATIONMEMORY_DEREFERENCE (85 of 119 remaining) [2024-11-14 05:26:29,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30REQUIRES_VIOLATIONMEMORY_DEREFERENCE (84 of 119 remaining) [2024-11-14 05:26:29,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31REQUIRES_VIOLATIONMEMORY_DEREFERENCE (83 of 119 remaining) [2024-11-14 05:26:29,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32REQUIRES_VIOLATIONMEMORY_DEREFERENCE (82 of 119 remaining) [2024-11-14 05:26:29,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33REQUIRES_VIOLATIONMEMORY_DEREFERENCE (81 of 119 remaining) [2024-11-14 05:26:29,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34REQUIRES_VIOLATIONMEMORY_DEREFERENCE (80 of 119 remaining) [2024-11-14 05:26:29,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35REQUIRES_VIOLATIONMEMORY_DEREFERENCE (79 of 119 remaining) [2024-11-14 05:26:29,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (78 of 119 remaining) [2024-11-14 05:26:29,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (77 of 119 remaining) [2024-11-14 05:26:29,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (76 of 119 remaining) [2024-11-14 05:26:29,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (75 of 119 remaining) [2024-11-14 05:26:29,367 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (74 of 119 remaining) [2024-11-14 05:26:29,368 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (73 of 119 remaining) [2024-11-14 05:26:29,368 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (72 of 119 remaining) [2024-11-14 05:26:29,368 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (71 of 119 remaining) [2024-11-14 05:26:29,368 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (70 of 119 remaining) [2024-11-14 05:26:29,368 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (69 of 119 remaining) [2024-11-14 05:26:29,368 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (68 of 119 remaining) [2024-11-14 05:26:29,368 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (67 of 119 remaining) [2024-11-14 05:26:29,369 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (66 of 119 remaining) [2024-11-14 05:26:29,369 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (65 of 119 remaining) [2024-11-14 05:26:29,369 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (64 of 119 remaining) [2024-11-14 05:26:29,369 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (63 of 119 remaining) [2024-11-14 05:26:29,369 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (62 of 119 remaining) [2024-11-14 05:26:29,369 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (61 of 119 remaining) [2024-11-14 05:26:29,369 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (60 of 119 remaining) [2024-11-14 05:26:29,369 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (59 of 119 remaining) [2024-11-14 05:26:29,369 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (58 of 119 remaining) [2024-11-14 05:26:29,370 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (57 of 119 remaining) [2024-11-14 05:26:29,371 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (56 of 119 remaining) [2024-11-14 05:26:29,371 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONARRAY_INDEX (55 of 119 remaining) [2024-11-14 05:26:29,371 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36REQUIRES_VIOLATIONMEMORY_DEREFERENCE (54 of 119 remaining) [2024-11-14 05:26:29,371 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37REQUIRES_VIOLATIONMEMORY_DEREFERENCE (53 of 119 remaining) [2024-11-14 05:26:29,371 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONMEMORY_LEAK (52 of 119 remaining) [2024-11-14 05:26:29,371 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (51 of 119 remaining) [2024-11-14 05:26:29,371 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24REQUIRES_VIOLATIONMEMORY_DEREFERENCE (50 of 119 remaining) [2024-11-14 05:26:29,371 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONARRAY_INDEX (49 of 119 remaining) [2024-11-14 05:26:29,372 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26REQUIRES_VIOLATIONMEMORY_DEREFERENCE (48 of 119 remaining) [2024-11-14 05:26:29,372 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27REQUIRES_VIOLATIONMEMORY_DEREFERENCE (47 of 119 remaining) [2024-11-14 05:26:29,372 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28REQUIRES_VIOLATIONMEMORY_DEREFERENCE (46 of 119 remaining) [2024-11-14 05:26:29,372 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29REQUIRES_VIOLATIONMEMORY_DEREFERENCE (45 of 119 remaining) [2024-11-14 05:26:29,372 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30REQUIRES_VIOLATIONMEMORY_DEREFERENCE (44 of 119 remaining) [2024-11-14 05:26:29,372 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31REQUIRES_VIOLATIONMEMORY_DEREFERENCE (43 of 119 remaining) [2024-11-14 05:26:29,372 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32REQUIRES_VIOLATIONMEMORY_DEREFERENCE (42 of 119 remaining) [2024-11-14 05:26:29,372 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33REQUIRES_VIOLATIONMEMORY_DEREFERENCE (41 of 119 remaining) [2024-11-14 05:26:29,372 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34REQUIRES_VIOLATIONMEMORY_DEREFERENCE (40 of 119 remaining) [2024-11-14 05:26:29,373 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35REQUIRES_VIOLATIONMEMORY_DEREFERENCE (39 of 119 remaining) [2024-11-14 05:26:29,373 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (38 of 119 remaining) [2024-11-14 05:26:29,373 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (37 of 119 remaining) [2024-11-14 05:26:29,373 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (36 of 119 remaining) [2024-11-14 05:26:29,373 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (35 of 119 remaining) [2024-11-14 05:26:29,373 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (34 of 119 remaining) [2024-11-14 05:26:29,373 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (33 of 119 remaining) [2024-11-14 05:26:29,373 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (32 of 119 remaining) [2024-11-14 05:26:29,373 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (31 of 119 remaining) [2024-11-14 05:26:29,373 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (30 of 119 remaining) [2024-11-14 05:26:29,373 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (29 of 119 remaining) [2024-11-14 05:26:29,373 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 119 remaining) [2024-11-14 05:26:29,373 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 119 remaining) [2024-11-14 05:26:29,373 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 119 remaining) [2024-11-14 05:26:29,374 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 119 remaining) [2024-11-14 05:26:29,374 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (24 of 119 remaining) [2024-11-14 05:26:29,374 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 119 remaining) [2024-11-14 05:26:29,374 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 119 remaining) [2024-11-14 05:26:29,374 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (21 of 119 remaining) [2024-11-14 05:26:29,374 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 119 remaining) [2024-11-14 05:26:29,374 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 119 remaining) [2024-11-14 05:26:29,374 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 119 remaining) [2024-11-14 05:26:29,374 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 119 remaining) [2024-11-14 05:26:29,374 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONARRAY_INDEX (16 of 119 remaining) [2024-11-14 05:26:29,374 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 119 remaining) [2024-11-14 05:26:29,374 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 119 remaining) [2024-11-14 05:26:29,374 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONMEMORY_LEAK (13 of 119 remaining) [2024-11-14 05:26:29,374 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 119 remaining) [2024-11-14 05:26:29,374 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 119 remaining) [2024-11-14 05:26:29,375 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONARRAY_INDEX (10 of 119 remaining) [2024-11-14 05:26:29,375 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 119 remaining) [2024-11-14 05:26:29,375 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 119 remaining) [2024-11-14 05:26:29,375 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 119 remaining) [2024-11-14 05:26:29,375 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 119 remaining) [2024-11-14 05:26:29,375 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 119 remaining) [2024-11-14 05:26:29,375 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 119 remaining) [2024-11-14 05:26:29,375 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 119 remaining) [2024-11-14 05:26:29,375 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 119 remaining) [2024-11-14 05:26:29,375 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 119 remaining) [2024-11-14 05:26:29,375 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 119 remaining) [2024-11-14 05:26:29,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-14 05:26:29,378 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-14 05:26:29,379 WARN L247 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-14 05:26:29,379 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-11-14 05:26:29,559 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-14 05:26:29,565 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 215 places, 232 transitions, 482 flow