./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/46_monabsex2_vs.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_6670cd90-388a-4f95-9843-bd3b34d7b2df/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6670cd90-388a-4f95-9843-bd3b34d7b2df/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_6670cd90-388a-4f95-9843-bd3b34d7b2df/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6670cd90-388a-4f95-9843-bd3b34d7b2df/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/46_monabsex2_vs.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6670cd90-388a-4f95-9843-bd3b34d7b2df/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_6670cd90-388a-4f95-9843-bd3b34d7b2df/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 134e9604c8f91a200c8250c9fbb45867ed525dc78e65c16e0a5fa44f5d71ac67 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 16:03:59,791 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 16:03:59,866 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6670cd90-388a-4f95-9843-bd3b34d7b2df/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-12-02 16:03:59,871 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 16:03:59,872 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 16:03:59,902 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 16:03:59,903 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 16:03:59,903 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 16:03:59,904 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 16:03:59,905 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 16:03:59,905 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 16:03:59,906 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 16:03:59,906 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 16:03:59,907 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 16:03:59,908 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 16:03:59,908 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 16:03:59,909 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 16:03:59,910 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 16:03:59,910 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 16:03:59,911 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 16:03:59,912 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 16:03:59,913 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 16:03:59,914 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 16:03:59,914 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 16:03:59,915 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 16:03:59,915 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 16:03:59,916 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 16:03:59,917 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 16:03:59,917 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 16:03:59,918 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 16:03:59,918 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 16:03:59,919 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-12-02 16:03:59,919 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 16:03:59,919 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 16:03:59,920 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 16:03:59,920 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 16:03:59,920 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 16:03:59,920 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 16:03:59,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:03:59,921 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 16:03:59,921 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 16:03:59,922 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 16:03:59,922 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 16:03:59,922 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 16:03:59,922 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 16:03:59,922 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 16:03:59,923 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 16:03:59,923 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 16:03:59,923 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_6670cd90-388a-4f95-9843-bd3b34d7b2df/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6670cd90-388a-4f95-9843-bd3b34d7b2df/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 134e9604c8f91a200c8250c9fbb45867ed525dc78e65c16e0a5fa44f5d71ac67 [2023-12-02 16:04:00,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 16:04:00,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 16:04:00,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 16:04:00,191 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 16:04:00,192 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 16:04:00,193 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6670cd90-388a-4f95-9843-bd3b34d7b2df/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/pthread-ext/46_monabsex2_vs.i [2023-12-02 16:04:03,052 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 16:04:03,319 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 16:04:03,320 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6670cd90-388a-4f95-9843-bd3b34d7b2df/sv-benchmarks/c/pthread-ext/46_monabsex2_vs.i [2023-12-02 16:04:03,339 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6670cd90-388a-4f95-9843-bd3b34d7b2df/bin/utaipan-verify-nQ1chXbOIh/data/5f21a66e3/f75dd0a8032940019cd59ebf16ad3538/FLAG805196507 [2023-12-02 16:04:03,353 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6670cd90-388a-4f95-9843-bd3b34d7b2df/bin/utaipan-verify-nQ1chXbOIh/data/5f21a66e3/f75dd0a8032940019cd59ebf16ad3538 [2023-12-02 16:04:03,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 16:04:03,358 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 16:04:03,360 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 16:04:03,360 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 16:04:03,366 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 16:04:03,367 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:04:03" (1/1) ... [2023-12-02 16:04:03,368 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c89cc30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:04:03, skipping insertion in model container [2023-12-02 16:04:03,368 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:04:03" (1/1) ... [2023-12-02 16:04:03,421 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 16:04:03,731 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:04:03,741 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 16:04:03,783 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:04:03,812 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 16:04:03,812 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 16:04:03,818 INFO L206 MainTranslator]: Completed translation [2023-12-02 16:04:03,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:04:03 WrapperNode [2023-12-02 16:04:03,819 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 16:04:03,820 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 16:04:03,820 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 16:04:03,820 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 16:04:03,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:04:03" (1/1) ... [2023-12-02 16:04:03,840 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:04:03" (1/1) ... [2023-12-02 16:04:03,863 INFO L138 Inliner]: procedures = 169, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 60 [2023-12-02 16:04:03,863 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 16:04:03,864 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 16:04:03,864 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 16:04:03,864 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 16:04:03,872 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:04:03" (1/1) ... [2023-12-02 16:04:03,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:04:03" (1/1) ... [2023-12-02 16:04:03,875 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:04:03" (1/1) ... [2023-12-02 16:04:03,876 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:04:03" (1/1) ... [2023-12-02 16:04:03,881 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:04:03" (1/1) ... [2023-12-02 16:04:03,885 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:04:03" (1/1) ... [2023-12-02 16:04:03,888 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:04:03" (1/1) ... [2023-12-02 16:04:03,889 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:04:03" (1/1) ... [2023-12-02 16:04:03,892 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 16:04:03,894 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 16:04:03,894 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 16:04:03,894 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 16:04:03,895 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:04:03" (1/1) ... [2023-12-02 16:04:03,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:04:03,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6670cd90-388a-4f95-9843-bd3b34d7b2df/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:04:03,929 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6670cd90-388a-4f95-9843-bd3b34d7b2df/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 16:04:03,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6670cd90-388a-4f95-9843-bd3b34d7b2df/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 16:04:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-12-02 16:04:03,967 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-12-02 16:04:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 16:04:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 16:04:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 16:04:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 16:04:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 16:04:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 16:04:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 16:04:03,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 16:04:03,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 16:04:03,970 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 16:04:04,104 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 16:04:04,106 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 16:04:04,238 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 16:04:04,309 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 16:04:04,309 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 16:04:04,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:04:04 BoogieIcfgContainer [2023-12-02 16:04:04,311 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 16:04:04,313 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 16:04:04,314 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 16:04:04,317 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 16:04:04,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:04:03" (1/3) ... [2023-12-02 16:04:04,318 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2814c681 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:04:04, skipping insertion in model container [2023-12-02 16:04:04,319 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:04:03" (2/3) ... [2023-12-02 16:04:04,319 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2814c681 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:04:04, skipping insertion in model container [2023-12-02 16:04:04,319 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:04:04" (3/3) ... [2023-12-02 16:04:04,321 INFO L112 eAbstractionObserver]: Analyzing ICFG 46_monabsex2_vs.i [2023-12-02 16:04:04,331 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-12-02 16:04:04,343 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 16:04:04,343 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-12-02 16:04:04,343 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-02 16:04:04,384 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-12-02 16:04:04,417 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 39 places, 37 transitions, 78 flow [2023-12-02 16:04:04,445 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 166 states, 155 states have (on average 1.929032258064516) internal successors, (299), 165 states have internal predecessors, (299), 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 16:04:04,461 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 16:04:04,467 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;@7dad10e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 16:04:04,467 INFO L358 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2023-12-02 16:04:04,470 INFO L276 IsEmpty]: Start isEmpty. Operand has 166 states, 155 states have (on average 1.929032258064516) internal successors, (299), 165 states have internal predecessors, (299), 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 16:04:04,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 16:04:04,477 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:04:04,478 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:04:04,479 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-12-02 16:04:04,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:04:04,485 INFO L85 PathProgramCache]: Analyzing trace with hash 381306108, now seen corresponding path program 1 times [2023-12-02 16:04:04,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:04:04,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613201797] [2023-12-02 16:04:04,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:04:04,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:04:04,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:04:04,737 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 16:04:04,738 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:04:04,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613201797] [2023-12-02 16:04:04,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613201797] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:04:04,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:04:04,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-12-02 16:04:04,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190034706] [2023-12-02 16:04:04,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:04:04,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 16:04:04,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:04:04,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 16:04:04,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 16:04:04,786 INFO L87 Difference]: Start difference. First operand has 166 states, 155 states have (on average 1.929032258064516) internal successors, (299), 165 states have internal predecessors, (299), 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 18.0) internal successors, (18), 2 states have internal predecessors, (18), 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 16:04:04,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:04:04,816 INFO L93 Difference]: Finished difference Result 72 states and 113 transitions. [2023-12-02 16:04:04,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 16:04:04,819 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 18.0) internal successors, (18), 2 states have internal predecessors, (18), 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 18 [2023-12-02 16:04:04,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:04:04,830 INFO L225 Difference]: With dead ends: 72 [2023-12-02 16:04:04,830 INFO L226 Difference]: Without dead ends: 72 [2023-12-02 16:04:04,832 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 16:04:04,836 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 16:04:04,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 16:04:04,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-12-02 16:04:04,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2023-12-02 16:04:04,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 71 states have (on average 1.591549295774648) internal successors, (113), 71 states have internal predecessors, (113), 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 16:04:04,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 113 transitions. [2023-12-02 16:04:04,885 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 113 transitions. Word has length 18 [2023-12-02 16:04:04,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:04:04,885 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 113 transitions. [2023-12-02 16:04:04,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 18.0) internal successors, (18), 2 states have internal predecessors, (18), 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 16:04:04,886 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 113 transitions. [2023-12-02 16:04:04,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 16:04:04,887 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:04:04,888 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 16:04:04,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 16:04:04,888 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-12-02 16:04:04,889 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:04:04,890 INFO L85 PathProgramCache]: Analyzing trace with hash 410566691, now seen corresponding path program 1 times [2023-12-02 16:04:04,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:04:04,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557663005] [2023-12-02 16:04:04,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:04:04,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:04:04,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 16:04:04,927 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 16:04:04,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 16:04:04,970 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 16:04:04,970 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 16:04:04,973 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 11 remaining) [2023-12-02 16:04:04,975 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (9 of 11 remaining) [2023-12-02 16:04:04,975 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (8 of 11 remaining) [2023-12-02 16:04:04,976 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (7 of 11 remaining) [2023-12-02 16:04:04,976 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (6 of 11 remaining) [2023-12-02 16:04:04,977 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (5 of 11 remaining) [2023-12-02 16:04:04,977 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (4 of 11 remaining) [2023-12-02 16:04:04,977 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (3 of 11 remaining) [2023-12-02 16:04:04,978 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (2 of 11 remaining) [2023-12-02 16:04:04,978 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (1 of 11 remaining) [2023-12-02 16:04:04,979 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (0 of 11 remaining) [2023-12-02 16:04:04,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 16:04:04,983 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-02 16:04:04,986 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-12-02 16:04:04,986 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-12-02 16:04:05,016 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-12-02 16:04:05,020 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 53 places, 49 transitions, 108 flow [2023-12-02 16:04:05,136 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2116 states, 2040 states have (on average 2.8573529411764707) internal successors, (5829), 2115 states have internal predecessors, (5829), 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 16:04:05,139 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 16:04:05,140 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;@7dad10e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 16:04:05,140 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2023-12-02 16:04:05,148 INFO L276 IsEmpty]: Start isEmpty. Operand has 2116 states, 2040 states have (on average 2.8573529411764707) internal successors, (5829), 2115 states have internal predecessors, (5829), 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 16:04:05,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 16:04:05,149 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:04:05,150 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:04:05,150 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2023-12-02 16:04:05,151 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:04:05,151 INFO L85 PathProgramCache]: Analyzing trace with hash -568490297, now seen corresponding path program 1 times [2023-12-02 16:04:05,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:04:05,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98503453] [2023-12-02 16:04:05,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:04:05,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:04:05,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:04:05,200 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 16:04:05,200 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:04:05,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98503453] [2023-12-02 16:04:05,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98503453] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:04:05,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:04:05,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-12-02 16:04:05,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580795492] [2023-12-02 16:04:05,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:04:05,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 16:04:05,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:04:05,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 16:04:05,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 16:04:05,211 INFO L87 Difference]: Start difference. First operand has 2116 states, 2040 states have (on average 2.8573529411764707) internal successors, (5829), 2115 states have internal predecessors, (5829), 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 18.0) internal successors, (18), 2 states have internal predecessors, (18), 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 16:04:05,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:04:05,256 INFO L93 Difference]: Finished difference Result 457 states and 1122 transitions. [2023-12-02 16:04:05,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 16:04:05,257 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 18.0) internal successors, (18), 2 states have internal predecessors, (18), 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 18 [2023-12-02 16:04:05,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:04:05,265 INFO L225 Difference]: With dead ends: 457 [2023-12-02 16:04:05,265 INFO L226 Difference]: Without dead ends: 457 [2023-12-02 16:04:05,266 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 16:04:05,267 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 16:04:05,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 16:04:05,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2023-12-02 16:04:05,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 457. [2023-12-02 16:04:05,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 456 states have (on average 2.460526315789474) internal successors, (1122), 456 states have internal predecessors, (1122), 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 16:04:05,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 1122 transitions. [2023-12-02 16:04:05,319 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 1122 transitions. Word has length 18 [2023-12-02 16:04:05,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:04:05,319 INFO L495 AbstractCegarLoop]: Abstraction has 457 states and 1122 transitions. [2023-12-02 16:04:05,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 18.0) internal successors, (18), 2 states have internal predecessors, (18), 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 16:04:05,320 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 1122 transitions. [2023-12-02 16:04:05,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 16:04:05,323 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:04:05,323 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:04:05,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 16:04:05,324 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2023-12-02 16:04:05,324 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:04:05,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1429279068, now seen corresponding path program 1 times [2023-12-02 16:04:05,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:04:05,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560770898] [2023-12-02 16:04:05,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:04:05,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:04:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 16:04:05,351 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 16:04:05,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 16:04:05,372 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 16:04:05,372 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 16:04:05,373 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 16 remaining) [2023-12-02 16:04:05,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (14 of 16 remaining) [2023-12-02 16:04:05,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (13 of 16 remaining) [2023-12-02 16:04:05,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (12 of 16 remaining) [2023-12-02 16:04:05,374 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (11 of 16 remaining) [2023-12-02 16:04:05,374 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (10 of 16 remaining) [2023-12-02 16:04:05,374 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (9 of 16 remaining) [2023-12-02 16:04:05,374 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (8 of 16 remaining) [2023-12-02 16:04:05,375 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (7 of 16 remaining) [2023-12-02 16:04:05,375 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (6 of 16 remaining) [2023-12-02 16:04:05,375 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (5 of 16 remaining) [2023-12-02 16:04:05,375 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (4 of 16 remaining) [2023-12-02 16:04:05,376 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (3 of 16 remaining) [2023-12-02 16:04:05,376 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (2 of 16 remaining) [2023-12-02 16:04:05,376 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (1 of 16 remaining) [2023-12-02 16:04:05,376 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (0 of 16 remaining) [2023-12-02 16:04:05,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 16:04:05,377 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-02 16:04:05,377 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2023-12-02 16:04:05,378 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2023-12-02 16:04:05,407 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-12-02 16:04:05,409 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 67 places, 61 transitions, 140 flow [2023-12-02 16:04:06,313 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 26002 states, 25531 states have (on average 3.74485919078767) internal successors, (95610), 26001 states have internal predecessors, (95610), 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 16:04:06,314 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 16:04:06,314 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;@7dad10e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 16:04:06,314 INFO L358 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2023-12-02 16:04:06,349 INFO L276 IsEmpty]: Start isEmpty. Operand has 26002 states, 25531 states have (on average 3.74485919078767) internal successors, (95610), 26001 states have internal predecessors, (95610), 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 16:04:06,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 16:04:06,350 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:04:06,351 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:04:06,351 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2023-12-02 16:04:06,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:04:06,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1579898034, now seen corresponding path program 1 times [2023-12-02 16:04:06,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:04:06,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110774388] [2023-12-02 16:04:06,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:04:06,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:04:06,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:04:06,389 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 16:04:06,390 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:04:06,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110774388] [2023-12-02 16:04:06,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110774388] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:04:06,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:04:06,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-12-02 16:04:06,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563575596] [2023-12-02 16:04:06,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:04:06,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 16:04:06,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:04:06,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 16:04:06,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 16:04:06,437 INFO L87 Difference]: Start difference. First operand has 26002 states, 25531 states have (on average 3.74485919078767) internal successors, (95610), 26001 states have internal predecessors, (95610), 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 18.0) internal successors, (18), 2 states have internal predecessors, (18), 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 16:04:06,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:04:06,608 INFO L93 Difference]: Finished difference Result 3152 states and 10495 transitions. [2023-12-02 16:04:06,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 16:04:06,609 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 18.0) internal successors, (18), 2 states have internal predecessors, (18), 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 18 [2023-12-02 16:04:06,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:04:06,655 INFO L225 Difference]: With dead ends: 3152 [2023-12-02 16:04:06,656 INFO L226 Difference]: Without dead ends: 3152 [2023-12-02 16:04:06,656 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 16:04:06,657 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 16:04:06,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 16:04:06,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3152 states. [2023-12-02 16:04:06,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3152 to 3152. [2023-12-02 16:04:06,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3152 states, 3151 states have (on average 3.3306886702634086) internal successors, (10495), 3151 states have internal predecessors, (10495), 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 16:04:06,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3152 states to 3152 states and 10495 transitions. [2023-12-02 16:04:06,862 INFO L78 Accepts]: Start accepts. Automaton has 3152 states and 10495 transitions. Word has length 18 [2023-12-02 16:04:06,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:04:06,862 INFO L495 AbstractCegarLoop]: Abstraction has 3152 states and 10495 transitions. [2023-12-02 16:04:06,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 18.0) internal successors, (18), 2 states have internal predecessors, (18), 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 16:04:06,863 INFO L276 IsEmpty]: Start isEmpty. Operand 3152 states and 10495 transitions. [2023-12-02 16:04:06,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-02 16:04:06,869 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:04:06,869 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:04:06,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 16:04:06,870 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2023-12-02 16:04:06,870 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:04:06,870 INFO L85 PathProgramCache]: Analyzing trace with hash -504114256, now seen corresponding path program 1 times [2023-12-02 16:04:06,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:04:06,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27163763] [2023-12-02 16:04:06,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:04:06,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:04:06,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 16:04:06,895 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 16:04:06,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 16:04:06,918 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 16:04:06,919 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 16:04:06,919 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 21 remaining) [2023-12-02 16:04:06,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (19 of 21 remaining) [2023-12-02 16:04:06,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (18 of 21 remaining) [2023-12-02 16:04:06,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (17 of 21 remaining) [2023-12-02 16:04:06,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (16 of 21 remaining) [2023-12-02 16:04:06,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (15 of 21 remaining) [2023-12-02 16:04:06,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (14 of 21 remaining) [2023-12-02 16:04:06,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (13 of 21 remaining) [2023-12-02 16:04:06,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (12 of 21 remaining) [2023-12-02 16:04:06,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (11 of 21 remaining) [2023-12-02 16:04:06,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (10 of 21 remaining) [2023-12-02 16:04:06,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (9 of 21 remaining) [2023-12-02 16:04:06,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (8 of 21 remaining) [2023-12-02 16:04:06,922 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (7 of 21 remaining) [2023-12-02 16:04:06,922 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (6 of 21 remaining) [2023-12-02 16:04:06,922 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (5 of 21 remaining) [2023-12-02 16:04:06,922 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (4 of 21 remaining) [2023-12-02 16:04:06,922 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (3 of 21 remaining) [2023-12-02 16:04:06,923 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (2 of 21 remaining) [2023-12-02 16:04:06,923 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (1 of 21 remaining) [2023-12-02 16:04:06,923 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (0 of 21 remaining) [2023-12-02 16:04:06,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-02 16:04:06,924 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-02 16:04:06,924 WARN L233 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2023-12-02 16:04:06,924 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2023-12-02 16:04:07,002 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-12-02 16:04:07,004 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 81 places, 73 transitions, 174 flow [2023-12-02 16:04:16,755 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 314092 states, 311246 states have (on average 4.6365222364303476) internal successors, (1443099), 314091 states have internal predecessors, (1443099), 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 16:04:16,758 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 16:04:16,768 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;@7dad10e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 16:04:16,768 INFO L358 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2023-12-02 16:04:17,236 INFO L276 IsEmpty]: Start isEmpty. Operand has 314092 states, 311246 states have (on average 4.6365222364303476) internal successors, (1443099), 314091 states have internal predecessors, (1443099), 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 16:04:17,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 16:04:17,237 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:04:17,237 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:04:17,238 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:04:17,238 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:04:17,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1763462786, now seen corresponding path program 1 times [2023-12-02 16:04:17,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:04:17,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040917608] [2023-12-02 16:04:17,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:04:17,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:04:17,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:04:17,267 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 16:04:17,268 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:04:17,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040917608] [2023-12-02 16:04:17,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040917608] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:04:17,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:04:17,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-12-02 16:04:17,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58237661] [2023-12-02 16:04:17,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:04:17,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 16:04:17,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:04:17,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 16:04:17,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 16:04:17,710 INFO L87 Difference]: Start difference. First operand has 314092 states, 311246 states have (on average 4.6365222364303476) internal successors, (1443099), 314091 states have internal predecessors, (1443099), 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 18.0) internal successors, (18), 2 states have internal predecessors, (18), 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 16:04:18,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:04:18,191 INFO L93 Difference]: Finished difference Result 22017 states and 92276 transitions. [2023-12-02 16:04:18,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 16:04:18,192 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 18.0) internal successors, (18), 2 states have internal predecessors, (18), 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 18 [2023-12-02 16:04:18,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:04:18,984 INFO L225 Difference]: With dead ends: 22017 [2023-12-02 16:04:18,998 INFO L226 Difference]: Without dead ends: 22017 [2023-12-02 16:04:18,999 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 16:04:19,000 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 16:04:19,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 30 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 16:04:19,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22017 states. [2023-12-02 16:04:19,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22017 to 22017. [2023-12-02 16:04:19,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22017 states, 22016 states have (on average 4.191315406976744) internal successors, (92276), 22016 states have internal predecessors, (92276), 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 16:04:20,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22017 states to 22017 states and 92276 transitions. [2023-12-02 16:04:20,034 INFO L78 Accepts]: Start accepts. Automaton has 22017 states and 92276 transitions. Word has length 18 [2023-12-02 16:04:20,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:04:20,035 INFO L495 AbstractCegarLoop]: Abstraction has 22017 states and 92276 transitions. [2023-12-02 16:04:20,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 18.0) internal successors, (18), 2 states have internal predecessors, (18), 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 16:04:20,035 INFO L276 IsEmpty]: Start isEmpty. Operand 22017 states and 92276 transitions. [2023-12-02 16:04:20,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-02 16:04:20,052 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:04:20,052 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:04:20,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-02 16:04:20,053 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:04:20,053 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:04:20,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1569591623, now seen corresponding path program 1 times [2023-12-02 16:04:20,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:04:20,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308254981] [2023-12-02 16:04:20,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:04:20,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:04:20,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 16:04:20,081 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 16:04:20,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 16:04:20,106 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 16:04:20,106 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 16:04:20,107 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 26 remaining) [2023-12-02 16:04:20,107 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (24 of 26 remaining) [2023-12-02 16:04:20,107 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (23 of 26 remaining) [2023-12-02 16:04:20,107 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (22 of 26 remaining) [2023-12-02 16:04:20,107 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (21 of 26 remaining) [2023-12-02 16:04:20,108 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (20 of 26 remaining) [2023-12-02 16:04:20,108 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (19 of 26 remaining) [2023-12-02 16:04:20,108 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (18 of 26 remaining) [2023-12-02 16:04:20,108 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (17 of 26 remaining) [2023-12-02 16:04:20,108 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (16 of 26 remaining) [2023-12-02 16:04:20,109 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (15 of 26 remaining) [2023-12-02 16:04:20,109 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (14 of 26 remaining) [2023-12-02 16:04:20,109 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (13 of 26 remaining) [2023-12-02 16:04:20,109 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (12 of 26 remaining) [2023-12-02 16:04:20,110 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (11 of 26 remaining) [2023-12-02 16:04:20,110 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (10 of 26 remaining) [2023-12-02 16:04:20,110 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (9 of 26 remaining) [2023-12-02 16:04:20,110 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (8 of 26 remaining) [2023-12-02 16:04:20,110 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (7 of 26 remaining) [2023-12-02 16:04:20,111 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (6 of 26 remaining) [2023-12-02 16:04:20,111 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (5 of 26 remaining) [2023-12-02 16:04:20,111 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (4 of 26 remaining) [2023-12-02 16:04:20,111 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (3 of 26 remaining) [2023-12-02 16:04:20,111 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (2 of 26 remaining) [2023-12-02 16:04:20,112 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (1 of 26 remaining) [2023-12-02 16:04:20,112 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (0 of 26 remaining) [2023-12-02 16:04:20,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-02 16:04:20,112 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-02 16:04:20,113 WARN L233 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2023-12-02 16:04:20,113 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2023-12-02 16:04:20,152 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-12-02 16:04:20,156 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 95 places, 85 transitions, 210 flow