./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747c0b36-1f85-48e5-b44d-551debc75731/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747c0b36-1f85-48e5-b44d-551debc75731/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747c0b36-1f85-48e5-b44d-551debc75731/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747c0b36-1f85-48e5-b44d-551debc75731/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747c0b36-1f85-48e5-b44d-551debc75731/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747c0b36-1f85-48e5-b44d-551debc75731/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 58b504e0f9c99c4dab9903d0572a1a6fc9dccc97093dedf55f23b393d189b988 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:45:04,304 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:45:04,372 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747c0b36-1f85-48e5-b44d-551debc75731/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-12-02 15:45:04,377 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:45:04,378 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:45:04,403 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:45:04,403 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:45:04,404 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:45:04,404 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:45:04,405 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:45:04,406 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:45:04,406 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:45:04,407 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:45:04,407 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 15:45:04,408 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:45:04,408 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:45:04,409 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 15:45:04,409 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 15:45:04,410 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:45:04,411 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 15:45:04,411 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 15:45:04,412 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 15:45:04,413 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:45:04,413 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:45:04,414 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 15:45:04,414 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 15:45:04,415 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 15:45:04,415 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:45:04,415 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:45:04,415 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:45:04,416 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:45:04,416 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-12-02 15:45:04,416 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 15:45:04,417 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 15:45:04,417 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:45:04,417 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:45:04,417 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:45:04,417 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:45:04,418 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:45:04,418 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:45:04,418 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:45:04,418 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:45:04,418 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 15:45:04,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 15:45:04,419 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:45:04,419 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:45:04,419 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:45:04,419 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:45:04,419 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747c0b36-1f85-48e5-b44d-551debc75731/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747c0b36-1f85-48e5-b44d-551debc75731/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58b504e0f9c99c4dab9903d0572a1a6fc9dccc97093dedf55f23b393d189b988 [2023-12-02 15:45:04,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:45:04,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:45:04,646 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:45:04,647 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:45:04,647 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:45:04,648 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747c0b36-1f85-48e5-b44d-551debc75731/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced_2.i [2023-12-02 15:45:07,395 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:45:07,617 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:45:07,618 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747c0b36-1f85-48e5-b44d-551debc75731/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced_2.i [2023-12-02 15:45:07,634 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747c0b36-1f85-48e5-b44d-551debc75731/bin/utaipan-verify-nQ1chXbOIh/data/550ad1a1c/4900d861c1974a199e8f70000cccf42c/FLAGadda6326a [2023-12-02 15:45:07,649 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747c0b36-1f85-48e5-b44d-551debc75731/bin/utaipan-verify-nQ1chXbOIh/data/550ad1a1c/4900d861c1974a199e8f70000cccf42c [2023-12-02 15:45:07,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:45:07,654 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:45:07,655 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:45:07,655 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:45:07,661 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:45:07,662 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:45:07" (1/1) ... [2023-12-02 15:45:07,663 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4236970c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:45:07, skipping insertion in model container [2023-12-02 15:45:07,663 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:45:07" (1/1) ... [2023-12-02 15:45:07,724 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:45:08,092 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:45:08,103 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:45:08,157 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:45:08,199 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:45:08,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:45:08 WrapperNode [2023-12-02 15:45:08,200 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:45:08,201 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:45:08,201 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:45:08,202 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:45:08,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:45:08" (1/1) ... [2023-12-02 15:45:08,227 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:45:08" (1/1) ... [2023-12-02 15:45:08,272 INFO L138 Inliner]: procedures = 181, calls = 62, calls flagged for inlining = 54, calls inlined = 79, statements flattened = 697 [2023-12-02 15:45:08,273 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:45:08,273 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:45:08,274 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:45:08,274 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:45:08,282 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:45:08" (1/1) ... [2023-12-02 15:45:08,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:45:08" (1/1) ... [2023-12-02 15:45:08,289 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:45:08" (1/1) ... [2023-12-02 15:45:08,289 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:45:08" (1/1) ... [2023-12-02 15:45:08,307 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:45:08" (1/1) ... [2023-12-02 15:45:08,316 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:45:08" (1/1) ... [2023-12-02 15:45:08,320 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:45:08" (1/1) ... [2023-12-02 15:45:08,324 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:45:08" (1/1) ... [2023-12-02 15:45:08,330 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:45:08,331 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:45:08,331 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:45:08,331 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:45:08,332 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:45:08" (1/1) ... [2023-12-02 15:45:08,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:45:08,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747c0b36-1f85-48e5-b44d-551debc75731/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:45:08,363 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747c0b36-1f85-48e5-b44d-551debc75731/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:45:08,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747c0b36-1f85-48e5-b44d-551debc75731/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:45:08,401 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-12-02 15:45:08,401 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-12-02 15:45:08,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 15:45:08,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:45:08,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 15:45:08,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 15:45:08,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 15:45:08,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:45:08,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:45:08,405 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 15:45:08,539 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:45:08,542 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:45:09,279 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:45:09,609 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:45:09,610 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-12-02 15:45:09,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:45:09 BoogieIcfgContainer [2023-12-02 15:45:09,612 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:45:09,614 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:45:09,615 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:45:09,618 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:45:09,618 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:45:07" (1/3) ... [2023-12-02 15:45:09,619 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71b8e82c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:45:09, skipping insertion in model container [2023-12-02 15:45:09,619 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:45:08" (2/3) ... [2023-12-02 15:45:09,619 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71b8e82c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:45:09, skipping insertion in model container [2023-12-02 15:45:09,620 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:45:09" (3/3) ... [2023-12-02 15:45:09,621 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_NetBSD_sysmon_power_sliced_2.i [2023-12-02 15:45:09,631 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-12-02 15:45:09,642 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:45:09,643 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations. [2023-12-02 15:45:09,643 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-02 15:45:09,742 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-12-02 15:45:09,780 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 417 places, 484 transitions, 972 flow [2023-12-02 15:45:09,963 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 5464 states, 5315 states have (on average 2.2306679209783633) internal successors, (11856), 5463 states have internal predecessors, (11856), 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) [2023-12-02 15:45:09,982 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:45:09,990 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@11942106, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:45:09,991 INFO L358 AbstractCegarLoop]: Starting to check reachability of 149 error locations. [2023-12-02 15:45:10,009 INFO L276 IsEmpty]: Start isEmpty. Operand has 5464 states, 5315 states have (on average 2.2306679209783633) internal successors, (11856), 5463 states have internal predecessors, (11856), 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) [2023-12-02 15:45:10,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 15:45:10,018 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:45:10,019 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:45:10,019 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err17ASSERT_VIOLATIONDATA_RACE, thr1Err18ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err24ASSERT_VIOLATIONDATA_RACE (and 145 more)] === [2023-12-02 15:45:10,025 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:45:10,026 INFO L85 PathProgramCache]: Analyzing trace with hash -770327616, now seen corresponding path program 1 times [2023-12-02 15:45:10,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:45:10,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852977586] [2023-12-02 15:45:10,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:45:10,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:45:10,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:45:10,163 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 15:45:10,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:45:10,208 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 15:45:10,210 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 15:45:10,212 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (148 of 149 remaining) [2023-12-02 15:45:10,214 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (147 of 149 remaining) [2023-12-02 15:45:10,214 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (146 of 149 remaining) [2023-12-02 15:45:10,215 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (145 of 149 remaining) [2023-12-02 15:45:10,215 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (144 of 149 remaining) [2023-12-02 15:45:10,215 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (143 of 149 remaining) [2023-12-02 15:45:10,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (142 of 149 remaining) [2023-12-02 15:45:10,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (141 of 149 remaining) [2023-12-02 15:45:10,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (140 of 149 remaining) [2023-12-02 15:45:10,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (139 of 149 remaining) [2023-12-02 15:45:10,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (138 of 149 remaining) [2023-12-02 15:45:10,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONDATA_RACE (137 of 149 remaining) [2023-12-02 15:45:10,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONDATA_RACE (136 of 149 remaining) [2023-12-02 15:45:10,218 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (135 of 149 remaining) [2023-12-02 15:45:10,218 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (134 of 149 remaining) [2023-12-02 15:45:10,218 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (133 of 149 remaining) [2023-12-02 15:45:10,218 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (132 of 149 remaining) [2023-12-02 15:45:10,219 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (131 of 149 remaining) [2023-12-02 15:45:10,219 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (130 of 149 remaining) [2023-12-02 15:45:10,219 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (129 of 149 remaining) [2023-12-02 15:45:10,219 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONDATA_RACE (128 of 149 remaining) [2023-12-02 15:45:10,220 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err52ASSERT_VIOLATIONDATA_RACE (127 of 149 remaining) [2023-12-02 15:45:10,220 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err53ASSERT_VIOLATIONDATA_RACE (126 of 149 remaining) [2023-12-02 15:45:10,220 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (125 of 149 remaining) [2023-12-02 15:45:10,221 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONDATA_RACE (124 of 149 remaining) [2023-12-02 15:45:10,221 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONDATA_RACE (123 of 149 remaining) [2023-12-02 15:45:10,221 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err50ASSERT_VIOLATIONDATA_RACE (122 of 149 remaining) [2023-12-02 15:45:10,221 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err51ASSERT_VIOLATIONDATA_RACE (121 of 149 remaining) [2023-12-02 15:45:10,222 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err54ASSERT_VIOLATIONDATA_RACE (120 of 149 remaining) [2023-12-02 15:45:10,222 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err57ASSERT_VIOLATIONDATA_RACE (119 of 149 remaining) [2023-12-02 15:45:10,222 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err58ASSERT_VIOLATIONDATA_RACE (118 of 149 remaining) [2023-12-02 15:45:10,222 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (117 of 149 remaining) [2023-12-02 15:45:10,223 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONDATA_RACE (116 of 149 remaining) [2023-12-02 15:45:10,223 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONDATA_RACE (115 of 149 remaining) [2023-12-02 15:45:10,223 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONDATA_RACE (114 of 149 remaining) [2023-12-02 15:45:10,223 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err55ASSERT_VIOLATIONDATA_RACE (113 of 149 remaining) [2023-12-02 15:45:10,224 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err56ASSERT_VIOLATIONDATA_RACE (112 of 149 remaining) [2023-12-02 15:45:10,224 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err59ASSERT_VIOLATIONDATA_RACE (111 of 149 remaining) [2023-12-02 15:45:10,224 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (110 of 149 remaining) [2023-12-02 15:45:10,225 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONDATA_RACE (109 of 149 remaining) [2023-12-02 15:45:10,225 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONDATA_RACE (108 of 149 remaining) [2023-12-02 15:45:10,225 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (107 of 149 remaining) [2023-12-02 15:45:10,225 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (106 of 149 remaining) [2023-12-02 15:45:10,226 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err60ASSERT_VIOLATIONDATA_RACE (105 of 149 remaining) [2023-12-02 15:45:10,226 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err61ASSERT_VIOLATIONDATA_RACE (104 of 149 remaining) [2023-12-02 15:45:10,226 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (103 of 149 remaining) [2023-12-02 15:45:10,226 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (102 of 149 remaining) [2023-12-02 15:45:10,227 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (101 of 149 remaining) [2023-12-02 15:45:10,227 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err62ASSERT_VIOLATIONDATA_RACE (100 of 149 remaining) [2023-12-02 15:45:10,227 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err63ASSERT_VIOLATIONDATA_RACE (99 of 149 remaining) [2023-12-02 15:45:10,227 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (98 of 149 remaining) [2023-12-02 15:45:10,228 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (97 of 149 remaining) [2023-12-02 15:45:10,228 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (96 of 149 remaining) [2023-12-02 15:45:10,228 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err64ASSERT_VIOLATIONDATA_RACE (95 of 149 remaining) [2023-12-02 15:45:10,228 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err65ASSERT_VIOLATIONDATA_RACE (94 of 149 remaining) [2023-12-02 15:45:10,229 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err66ASSERT_VIOLATIONDATA_RACE (93 of 149 remaining) [2023-12-02 15:45:10,229 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err67ASSERT_VIOLATIONDATA_RACE (92 of 149 remaining) [2023-12-02 15:45:10,229 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err68ASSERT_VIOLATIONDATA_RACE (91 of 149 remaining) [2023-12-02 15:45:10,229 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err69ASSERT_VIOLATIONDATA_RACE (90 of 149 remaining) [2023-12-02 15:45:10,230 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err70ASSERT_VIOLATIONDATA_RACE (89 of 149 remaining) [2023-12-02 15:45:10,230 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err71ASSERT_VIOLATIONDATA_RACE (88 of 149 remaining) [2023-12-02 15:45:10,230 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err72ASSERT_VIOLATIONDATA_RACE (87 of 149 remaining) [2023-12-02 15:45:10,230 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err73ASSERT_VIOLATIONDATA_RACE (86 of 149 remaining) [2023-12-02 15:45:10,231 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (85 of 149 remaining) [2023-12-02 15:45:10,231 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (84 of 149 remaining) [2023-12-02 15:45:10,231 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (83 of 149 remaining) [2023-12-02 15:45:10,231 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (82 of 149 remaining) [2023-12-02 15:45:10,232 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (81 of 149 remaining) [2023-12-02 15:45:10,232 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (80 of 149 remaining) [2023-12-02 15:45:10,232 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (79 of 149 remaining) [2023-12-02 15:45:10,232 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (78 of 149 remaining) [2023-12-02 15:45:10,233 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (77 of 149 remaining) [2023-12-02 15:45:10,233 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (76 of 149 remaining) [2023-12-02 15:45:10,233 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (75 of 149 remaining) [2023-12-02 15:45:10,233 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (74 of 149 remaining) [2023-12-02 15:45:10,234 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (73 of 149 remaining) [2023-12-02 15:45:10,234 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (72 of 149 remaining) [2023-12-02 15:45:10,234 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (71 of 149 remaining) [2023-12-02 15:45:10,234 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (70 of 149 remaining) [2023-12-02 15:45:10,235 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (69 of 149 remaining) [2023-12-02 15:45:10,235 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (68 of 149 remaining) [2023-12-02 15:45:10,235 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (67 of 149 remaining) [2023-12-02 15:45:10,236 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (66 of 149 remaining) [2023-12-02 15:45:10,236 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (65 of 149 remaining) [2023-12-02 15:45:10,236 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (64 of 149 remaining) [2023-12-02 15:45:10,236 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONDATA_RACE (63 of 149 remaining) [2023-12-02 15:45:10,237 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONDATA_RACE (62 of 149 remaining) [2023-12-02 15:45:10,237 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (61 of 149 remaining) [2023-12-02 15:45:10,237 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (60 of 149 remaining) [2023-12-02 15:45:10,237 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (59 of 149 remaining) [2023-12-02 15:45:10,237 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (58 of 149 remaining) [2023-12-02 15:45:10,238 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (57 of 149 remaining) [2023-12-02 15:45:10,238 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (56 of 149 remaining) [2023-12-02 15:45:10,238 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (55 of 149 remaining) [2023-12-02 15:45:10,239 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONDATA_RACE (54 of 149 remaining) [2023-12-02 15:45:10,239 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err52ASSERT_VIOLATIONDATA_RACE (53 of 149 remaining) [2023-12-02 15:45:10,239 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err53ASSERT_VIOLATIONDATA_RACE (52 of 149 remaining) [2023-12-02 15:45:10,239 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (51 of 149 remaining) [2023-12-02 15:45:10,240 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONDATA_RACE (50 of 149 remaining) [2023-12-02 15:45:10,240 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONDATA_RACE (49 of 149 remaining) [2023-12-02 15:45:10,240 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err50ASSERT_VIOLATIONDATA_RACE (48 of 149 remaining) [2023-12-02 15:45:10,240 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err51ASSERT_VIOLATIONDATA_RACE (47 of 149 remaining) [2023-12-02 15:45:10,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err54ASSERT_VIOLATIONDATA_RACE (46 of 149 remaining) [2023-12-02 15:45:10,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err57ASSERT_VIOLATIONDATA_RACE (45 of 149 remaining) [2023-12-02 15:45:10,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err58ASSERT_VIOLATIONDATA_RACE (44 of 149 remaining) [2023-12-02 15:45:10,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (43 of 149 remaining) [2023-12-02 15:45:10,242 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONDATA_RACE (42 of 149 remaining) [2023-12-02 15:45:10,242 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONDATA_RACE (41 of 149 remaining) [2023-12-02 15:45:10,242 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONDATA_RACE (40 of 149 remaining) [2023-12-02 15:45:10,242 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err55ASSERT_VIOLATIONDATA_RACE (39 of 149 remaining) [2023-12-02 15:45:10,243 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err56ASSERT_VIOLATIONDATA_RACE (38 of 149 remaining) [2023-12-02 15:45:10,243 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err59ASSERT_VIOLATIONDATA_RACE (37 of 149 remaining) [2023-12-02 15:45:10,243 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (36 of 149 remaining) [2023-12-02 15:45:10,243 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONDATA_RACE (35 of 149 remaining) [2023-12-02 15:45:10,244 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONDATA_RACE (34 of 149 remaining) [2023-12-02 15:45:10,244 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (33 of 149 remaining) [2023-12-02 15:45:10,244 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (32 of 149 remaining) [2023-12-02 15:45:10,244 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err60ASSERT_VIOLATIONDATA_RACE (31 of 149 remaining) [2023-12-02 15:45:10,244 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err61ASSERT_VIOLATIONDATA_RACE (30 of 149 remaining) [2023-12-02 15:45:10,245 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (29 of 149 remaining) [2023-12-02 15:45:10,245 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (28 of 149 remaining) [2023-12-02 15:45:10,245 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (27 of 149 remaining) [2023-12-02 15:45:10,245 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err62ASSERT_VIOLATIONDATA_RACE (26 of 149 remaining) [2023-12-02 15:45:10,246 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err63ASSERT_VIOLATIONDATA_RACE (25 of 149 remaining) [2023-12-02 15:45:10,246 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (24 of 149 remaining) [2023-12-02 15:45:10,246 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (23 of 149 remaining) [2023-12-02 15:45:10,246 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (22 of 149 remaining) [2023-12-02 15:45:10,247 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err64ASSERT_VIOLATIONDATA_RACE (21 of 149 remaining) [2023-12-02 15:45:10,247 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err65ASSERT_VIOLATIONDATA_RACE (20 of 149 remaining) [2023-12-02 15:45:10,247 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err66ASSERT_VIOLATIONDATA_RACE (19 of 149 remaining) [2023-12-02 15:45:10,247 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err67ASSERT_VIOLATIONDATA_RACE (18 of 149 remaining) [2023-12-02 15:45:10,247 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err68ASSERT_VIOLATIONDATA_RACE (17 of 149 remaining) [2023-12-02 15:45:10,248 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err69ASSERT_VIOLATIONDATA_RACE (16 of 149 remaining) [2023-12-02 15:45:10,248 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err70ASSERT_VIOLATIONDATA_RACE (15 of 149 remaining) [2023-12-02 15:45:10,248 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err71ASSERT_VIOLATIONDATA_RACE (14 of 149 remaining) [2023-12-02 15:45:10,248 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err72ASSERT_VIOLATIONDATA_RACE (13 of 149 remaining) [2023-12-02 15:45:10,249 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err73ASSERT_VIOLATIONDATA_RACE (12 of 149 remaining) [2023-12-02 15:45:10,249 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (11 of 149 remaining) [2023-12-02 15:45:10,249 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (10 of 149 remaining) [2023-12-02 15:45:10,249 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (9 of 149 remaining) [2023-12-02 15:45:10,249 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (8 of 149 remaining) [2023-12-02 15:45:10,250 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (7 of 149 remaining) [2023-12-02 15:45:10,250 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (6 of 149 remaining) [2023-12-02 15:45:10,250 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (5 of 149 remaining) [2023-12-02 15:45:10,250 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (4 of 149 remaining) [2023-12-02 15:45:10,251 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (3 of 149 remaining) [2023-12-02 15:45:10,251 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (2 of 149 remaining) [2023-12-02 15:45:10,251 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (1 of 149 remaining) [2023-12-02 15:45:10,251 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (0 of 149 remaining) [2023-12-02 15:45:10,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 15:45:10,257 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 15:45:10,260 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-12-02 15:45:10,260 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-12-02 15:45:10,381 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-12-02 15:45:10,392 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 809 places, 943 transitions, 1896 flow [2023-12-02 15:45:54,453 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2134450 states, 2123127 states have (on average 3.363933481134195) internal successors, (7142058), 2134449 states have internal predecessors, (7142058), 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) [2023-12-02 15:45:54,454 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:45:54,455 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@11942106, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:45:54,455 INFO L358 AbstractCegarLoop]: Starting to check reachability of 223 error locations. [2023-12-02 15:46:02,581 INFO L276 IsEmpty]: Start isEmpty. Operand has 2134450 states, 2123127 states have (on average 3.363933481134195) internal successors, (7142058), 2134449 states have internal predecessors, (7142058), 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) [2023-12-02 15:46:02,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 15:46:02,585 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:46:02,586 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:46:02,586 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err17ASSERT_VIOLATIONDATA_RACE === [thr1Err17ASSERT_VIOLATIONDATA_RACE, thr1Err18ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err24ASSERT_VIOLATIONDATA_RACE (and 219 more)] === [2023-12-02 15:46:02,586 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:46:02,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1937216784, now seen corresponding path program 1 times [2023-12-02 15:46:02,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:46:02,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495949955] [2023-12-02 15:46:02,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:46:02,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:46:02,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:46:02,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 15:46:02,671 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:46:02,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495949955] [2023-12-02 15:46:02,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495949955] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:46:02,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:46:02,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-12-02 15:46:02,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818209731] [2023-12-02 15:46:02,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:46:02,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 15:46:02,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:46:02,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 15:46:02,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 15:46:05,860 INFO L87 Difference]: Start difference. First operand has 2134450 states, 2123127 states have (on average 3.363933481134195) internal successors, (7142058), 2134449 states have internal predecessors, (7142058), 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, 1 states have (on average 26.0) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:46:13,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:46:13,918 INFO L93 Difference]: Finished difference Result 726931 states and 2237566 transitions. [2023-12-02 15:46:13,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 15:46:13,920 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 26.0) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2023-12-02 15:46:13,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:46:17,691 INFO L225 Difference]: With dead ends: 726931 [2023-12-02 15:46:17,691 INFO L226 Difference]: Without dead ends: 726931 [2023-12-02 15:46:17,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 15:46:17,694 INFO L413 NwaCegarLoop]: 628 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 15:46:17,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 628 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 15:46:19,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726931 states. [2023-12-02 15:46:34,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726931 to 726931. [2023-12-02 15:46:35,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 726931 states, 725907 states have (on average 3.0824416901889635) internal successors, (2237566), 726930 states have internal predecessors, (2237566), 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) [2023-12-02 15:46:38,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726931 states to 726931 states and 2237566 transitions. [2023-12-02 15:46:38,899 INFO L78 Accepts]: Start accepts. Automaton has 726931 states and 2237566 transitions. Word has length 26 [2023-12-02 15:46:38,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:46:38,900 INFO L495 AbstractCegarLoop]: Abstraction has 726931 states and 2237566 transitions. [2023-12-02 15:46:38,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 26.0) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:46:38,900 INFO L276 IsEmpty]: Start isEmpty. Operand 726931 states and 2237566 transitions. [2023-12-02 15:46:38,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 15:46:38,903 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:46:38,904 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:46:38,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 15:46:38,904 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err19ASSERT_VIOLATIONDATA_RACE === [thr1Err17ASSERT_VIOLATIONDATA_RACE, thr1Err18ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err24ASSERT_VIOLATIONDATA_RACE (and 219 more)] === [2023-12-02 15:46:38,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:46:38,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1944368647, now seen corresponding path program 1 times [2023-12-02 15:46:38,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:46:38,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279265973] [2023-12-02 15:46:38,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:46:38,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:46:38,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:46:38,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 15:46:38,972 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:46:38,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279265973] [2023-12-02 15:46:38,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279265973] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:46:38,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:46:38,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 15:46:38,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508228316] [2023-12-02 15:46:38,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:46:38,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:46:38,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:46:38,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:46:38,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:46:38,975 INFO L87 Difference]: Start difference. First operand 726931 states and 2237566 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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) [2023-12-02 15:46:47,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:46:47,634 INFO L93 Difference]: Finished difference Result 1055196 states and 3205968 transitions. [2023-12-02 15:46:47,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:46:47,634 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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 28 [2023-12-02 15:46:47,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:46:52,045 INFO L225 Difference]: With dead ends: 1055196 [2023-12-02 15:46:52,045 INFO L226 Difference]: Without dead ends: 1055196 [2023-12-02 15:46:52,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:46:52,047 INFO L413 NwaCegarLoop]: 839 mSDtfsCounter, 554 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 554 SdHoareTripleChecker+Valid, 1371 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 15:46:52,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [554 Valid, 1371 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 15:46:54,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055196 states.