./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/04_incdec_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 9bd2c7ff 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_9742a58d-e40e-4dce-9d8b-865af2cc06dc/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9742a58d-e40e-4dce-9d8b-865af2cc06dc/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9742a58d-e40e-4dce-9d8b-865af2cc06dc/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9742a58d-e40e-4dce-9d8b-865af2cc06dc/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/04_incdec_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9742a58d-e40e-4dce-9d8b-865af2cc06dc/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9742a58d-e40e-4dce-9d8b-865af2cc06dc/bin/uautomizer-verify-uCwYo4JHxu --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a9295efc0d8bacfc5fb202511f0d3721ae5554ffb4def47cf5dbf45088356869 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:47:03,987 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:47:04,105 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9742a58d-e40e-4dce-9d8b-865af2cc06dc/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-19 07:47:04,119 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:47:04,119 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:47:04,167 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:47:04,169 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:47:04,170 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:47:04,171 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:47:04,176 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:47:04,177 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:47:04,178 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:47:04,179 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:47:04,180 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:47:04,181 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:47:04,182 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:47:04,182 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:47:04,182 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:47:04,183 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:47:04,184 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:47:04,184 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:47:04,185 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:47:04,185 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 07:47:04,186 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:47:04,186 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:47:04,187 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:47:04,187 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:47:04,188 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:47:04,200 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:47:04,200 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:47:04,202 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:47:04,202 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:47:04,202 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:47:04,202 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:47:04,203 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:47:04,203 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:47:04,203 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:47:04,203 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:47:04,204 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:47:04,204 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:47:04,204 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:47:04,205 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_9742a58d-e40e-4dce-9d8b-865af2cc06dc/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9742a58d-e40e-4dce-9d8b-865af2cc06dc/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9295efc0d8bacfc5fb202511f0d3721ae5554ffb4def47cf5dbf45088356869 [2023-11-19 07:47:04,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:47:04,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:47:04,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:47:04,619 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:47:04,620 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:47:04,621 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9742a58d-e40e-4dce-9d8b-865af2cc06dc/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/pthread-ext/04_incdec_cas.i [2023-11-19 07:47:07,735 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:47:08,027 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:47:08,027 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9742a58d-e40e-4dce-9d8b-865af2cc06dc/sv-benchmarks/c/pthread-ext/04_incdec_cas.i [2023-11-19 07:47:08,044 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9742a58d-e40e-4dce-9d8b-865af2cc06dc/bin/uautomizer-verify-uCwYo4JHxu/data/ebd435d07/8aa43679f119490987f2cc55f0ba13a5/FLAG327e711c0 [2023-11-19 07:47:08,057 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9742a58d-e40e-4dce-9d8b-865af2cc06dc/bin/uautomizer-verify-uCwYo4JHxu/data/ebd435d07/8aa43679f119490987f2cc55f0ba13a5 [2023-11-19 07:47:08,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:47:08,061 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:47:08,063 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:47:08,063 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:47:08,067 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:47:08,068 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:08" (1/1) ... [2023-11-19 07:47:08,069 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8c1a471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:08, skipping insertion in model container [2023-11-19 07:47:08,069 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:08" (1/1) ... [2023-11-19 07:47:08,116 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:47:08,501 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:47:08,517 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:47:08,602 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:47:08,653 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:08,653 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:08,662 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:47:08,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:08 WrapperNode [2023-11-19 07:47:08,662 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:47:08,664 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:47:08,665 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:47:08,665 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:47:08,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:08" (1/1) ... [2023-11-19 07:47:08,714 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:08" (1/1) ... [2023-11-19 07:47:08,766 INFO L138 Inliner]: procedures = 174, calls = 49, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 274 [2023-11-19 07:47:08,766 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:47:08,767 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:47:08,767 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:47:08,767 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:47:08,778 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:08" (1/1) ... [2023-11-19 07:47:08,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:08" (1/1) ... [2023-11-19 07:47:08,784 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:08" (1/1) ... [2023-11-19 07:47:08,785 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:08" (1/1) ... [2023-11-19 07:47:08,829 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:08" (1/1) ... [2023-11-19 07:47:08,849 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:08" (1/1) ... [2023-11-19 07:47:08,852 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:08" (1/1) ... [2023-11-19 07:47:08,855 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:08" (1/1) ... [2023-11-19 07:47:08,861 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:47:08,862 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:47:08,863 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:47:08,863 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:47:08,864 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:08" (1/1) ... [2023-11-19 07:47:08,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:47:08,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9742a58d-e40e-4dce-9d8b-865af2cc06dc/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:08,902 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9742a58d-e40e-4dce-9d8b-865af2cc06dc/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:47:08,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9742a58d-e40e-4dce-9d8b-865af2cc06dc/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:47:08,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:47:08,958 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-19 07:47:08,958 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-19 07:47:08,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:47:08,959 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 07:47:08,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:47:08,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:47:08,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:47:08,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:47:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 07:47:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:47:08,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:47:08,964 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 07:47:09,261 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:47:09,264 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:47:09,995 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:47:10,479 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:47:10,479 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 07:47:10,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:10 BoogieIcfgContainer [2023-11-19 07:47:10,483 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:47:10,486 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:47:10,486 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:47:10,490 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:47:10,490 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:47:08" (1/3) ... [2023-11-19 07:47:10,491 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@759eaa71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:10, skipping insertion in model container [2023-11-19 07:47:10,491 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:08" (2/3) ... [2023-11-19 07:47:10,491 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@759eaa71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:10, skipping insertion in model container [2023-11-19 07:47:10,491 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:10" (3/3) ... [2023-11-19 07:47:10,493 INFO L112 eAbstractionObserver]: Analyzing ICFG 04_incdec_cas.i [2023-11-19 07:47:10,502 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 07:47:10,514 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:47:10,514 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2023-11-19 07:47:10,514 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 07:47:10,777 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-19 07:47:10,830 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 117 places, 126 transitions, 256 flow [2023-11-19 07:47:10,938 INFO L124 PetriNetUnfolderBase]: 13/137 cut-off events. [2023-11-19 07:47:10,939 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:47:10,947 INFO L83 FinitePrefix]: Finished finitePrefix Result has 141 conditions, 137 events. 13/137 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 369 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 106. Up to 4 conditions per place. [2023-11-19 07:47:10,947 INFO L82 GeneralOperation]: Start removeDead. Operand has 117 places, 126 transitions, 256 flow [2023-11-19 07:47:10,955 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 117 places, 126 transitions, 256 flow [2023-11-19 07:47:10,959 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:47:10,974 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 117 places, 126 transitions, 256 flow [2023-11-19 07:47:10,979 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 117 places, 126 transitions, 256 flow [2023-11-19 07:47:10,980 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 117 places, 126 transitions, 256 flow [2023-11-19 07:47:11,032 INFO L124 PetriNetUnfolderBase]: 13/137 cut-off events. [2023-11-19 07:47:11,033 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:47:11,034 INFO L83 FinitePrefix]: Finished finitePrefix Result has 141 conditions, 137 events. 13/137 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 369 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 106. Up to 4 conditions per place. [2023-11-19 07:47:11,038 INFO L119 LiptonReduction]: Number of co-enabled transitions 2604 [2023-11-19 07:47:21,701 INFO L134 LiptonReduction]: Checked pairs total: 3420 [2023-11-19 07:47:21,701 INFO L136 LiptonReduction]: Total number of compositions: 118 [2023-11-19 07:47:21,718 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:47:21,726 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=PETRI_NET, 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;@2e126ae1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:47:21,726 INFO L358 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2023-11-19 07:47:21,731 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 07:47:21,731 INFO L124 PetriNetUnfolderBase]: 0/10 cut-off events. [2023-11-19 07:47:21,732 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:47:21,732 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:47:21,732 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-19 07:47:21,733 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err9ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-11-19 07:47:21,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:21,737 INFO L85 PathProgramCache]: Analyzing trace with hash 922581080, now seen corresponding path program 1 times [2023-11-19 07:47:21,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:21,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665343471] [2023-11-19 07:47:21,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:21,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:21,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:22,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:22,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:22,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665343471] [2023-11-19 07:47:22,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665343471] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:22,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:22,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-19 07:47:22,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766727677] [2023-11-19 07:47:22,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:22,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:47:22,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:22,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:47:22,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:47:22,392 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 244 [2023-11-19 07:47:22,395 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 44 transitions, 92 flow. Second operand has 2 states, 2 states have (on average 97.5) internal successors, (195), 2 states have internal predecessors, (195), 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) [2023-11-19 07:47:22,395 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:47:22,395 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 244 [2023-11-19 07:47:22,396 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:47:22,926 INFO L124 PetriNetUnfolderBase]: 41/86 cut-off events. [2023-11-19 07:47:22,927 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:47:22,929 INFO L83 FinitePrefix]: Finished finitePrefix Result has 176 conditions, 86 events. 41/86 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 235 event pairs, 26 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 164. Up to 86 conditions per place. [2023-11-19 07:47:22,931 INFO L140 encePairwiseOnDemand]: 223/244 looper letters, 22 selfloop transitions, 0 changer transitions 0/23 dead transitions. [2023-11-19 07:47:22,931 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 23 transitions, 94 flow [2023-11-19 07:47:22,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:47:22,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-19 07:47:22,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 233 transitions. [2023-11-19 07:47:22,957 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4774590163934426 [2023-11-19 07:47:22,958 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 233 transitions. [2023-11-19 07:47:22,958 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 233 transitions. [2023-11-19 07:47:22,960 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:47:22,963 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 233 transitions. [2023-11-19 07:47:22,971 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 116.5) internal successors, (233), 2 states have internal predecessors, (233), 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) [2023-11-19 07:47:22,977 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 244.0) internal successors, (732), 3 states have internal predecessors, (732), 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) [2023-11-19 07:47:22,978 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 244.0) internal successors, (732), 3 states have internal predecessors, (732), 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) [2023-11-19 07:47:22,980 INFO L175 Difference]: Start difference. First operand has 40 places, 44 transitions, 92 flow. Second operand 2 states and 233 transitions. [2023-11-19 07:47:22,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 22 places, 23 transitions, 94 flow [2023-11-19 07:47:22,984 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 23 transitions, 94 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:47:22,986 INFO L231 Difference]: Finished difference. Result has 22 places, 23 transitions, 50 flow [2023-11-19 07:47:22,988 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=244, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=50, PETRI_PLACES=22, PETRI_TRANSITIONS=23} [2023-11-19 07:47:23,003 INFO L281 CegarLoopForPetriNet]: 40 programPoint places, -18 predicate places. [2023-11-19 07:47:23,003 INFO L495 AbstractCegarLoop]: Abstraction has has 22 places, 23 transitions, 50 flow [2023-11-19 07:47:23,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 97.5) internal successors, (195), 2 states have internal predecessors, (195), 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) [2023-11-19 07:47:23,004 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:47:23,004 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1] [2023-11-19 07:47:23,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:47:23,005 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err9ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-11-19 07:47:23,018 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:23,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1464840287, now seen corresponding path program 1 times [2023-11-19 07:47:23,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:23,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618983058] [2023-11-19 07:47:23,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:23,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:23,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:23,046 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:47:23,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:23,095 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:47:23,096 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:47:23,098 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 37 remaining) [2023-11-19 07:47:23,099 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (35 of 37 remaining) [2023-11-19 07:47:23,100 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (34 of 37 remaining) [2023-11-19 07:47:23,101 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (33 of 37 remaining) [2023-11-19 07:47:23,101 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (32 of 37 remaining) [2023-11-19 07:47:23,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (31 of 37 remaining) [2023-11-19 07:47:23,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (30 of 37 remaining) [2023-11-19 07:47:23,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (29 of 37 remaining) [2023-11-19 07:47:23,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (28 of 37 remaining) [2023-11-19 07:47:23,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (27 of 37 remaining) [2023-11-19 07:47:23,104 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 37 remaining) [2023-11-19 07:47:23,104 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (25 of 37 remaining) [2023-11-19 07:47:23,105 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (24 of 37 remaining) [2023-11-19 07:47:23,106 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (23 of 37 remaining) [2023-11-19 07:47:23,106 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (22 of 37 remaining) [2023-11-19 07:47:23,106 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (21 of 37 remaining) [2023-11-19 07:47:23,107 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (20 of 37 remaining) [2023-11-19 07:47:23,107 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (19 of 37 remaining) [2023-11-19 07:47:23,113 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (18 of 37 remaining) [2023-11-19 07:47:23,114 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (17 of 37 remaining) [2023-11-19 07:47:23,114 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (16 of 37 remaining) [2023-11-19 07:47:23,114 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (15 of 37 remaining) [2023-11-19 07:47:23,115 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (14 of 37 remaining) [2023-11-19 07:47:23,116 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (13 of 37 remaining) [2023-11-19 07:47:23,116 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (12 of 37 remaining) [2023-11-19 07:47:23,116 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (11 of 37 remaining) [2023-11-19 07:47:23,116 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (10 of 37 remaining) [2023-11-19 07:47:23,117 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (9 of 37 remaining) [2023-11-19 07:47:23,118 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (8 of 37 remaining) [2023-11-19 07:47:23,120 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (7 of 37 remaining) [2023-11-19 07:47:23,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (6 of 37 remaining) [2023-11-19 07:47:23,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (5 of 37 remaining) [2023-11-19 07:47:23,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (4 of 37 remaining) [2023-11-19 07:47:23,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (3 of 37 remaining) [2023-11-19 07:47:23,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (2 of 37 remaining) [2023-11-19 07:47:23,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (1 of 37 remaining) [2023-11-19 07:47:23,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (0 of 37 remaining) [2023-11-19 07:47:23,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:47:23,129 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-19 07:47:23,133 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-19 07:47:23,135 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-11-19 07:47:23,321 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-19 07:47:23,329 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 202 places, 220 transitions, 450 flow [2023-11-19 07:47:23,400 INFO L124 PetriNetUnfolderBase]: 25/244 cut-off events. [2023-11-19 07:47:23,400 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 07:47:23,406 INFO L83 FinitePrefix]: Finished finitePrefix Result has 252 conditions, 244 events. 25/244 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 973 event pairs, 0 based on Foata normal form. 0/180 useless extension candidates. Maximal degree in co-relation 199. Up to 6 conditions per place. [2023-11-19 07:47:23,406 INFO L82 GeneralOperation]: Start removeDead. Operand has 202 places, 220 transitions, 450 flow [2023-11-19 07:47:23,411 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 202 places, 220 transitions, 450 flow [2023-11-19 07:47:23,411 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:47:23,412 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 202 places, 220 transitions, 450 flow [2023-11-19 07:47:23,412 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 202 places, 220 transitions, 450 flow [2023-11-19 07:47:23,412 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 202 places, 220 transitions, 450 flow [2023-11-19 07:47:23,494 INFO L124 PetriNetUnfolderBase]: 25/244 cut-off events. [2023-11-19 07:47:23,494 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 07:47:23,497 INFO L83 FinitePrefix]: Finished finitePrefix Result has 252 conditions, 244 events. 25/244 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 973 event pairs, 0 based on Foata normal form. 0/180 useless extension candidates. Maximal degree in co-relation 199. Up to 6 conditions per place. [2023-11-19 07:47:23,512 INFO L119 LiptonReduction]: Number of co-enabled transitions 22692 [2023-11-19 07:47:43,580 INFO L134 LiptonReduction]: Checked pairs total: 63200 [2023-11-19 07:47:43,580 INFO L136 LiptonReduction]: Total number of compositions: 166 [2023-11-19 07:47:43,583 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:47:43,591 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=PETRI_NET, 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;@2e126ae1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:47:43,591 INFO L358 AbstractCegarLoop]: Starting to check reachability of 55 error locations. [2023-11-19 07:47:43,595 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 07:47:43,596 INFO L124 PetriNetUnfolderBase]: 0/9 cut-off events. [2023-11-19 07:47:43,596 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:47:43,596 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:47:43,596 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-19 07:47:43,596 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err9ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2023-11-19 07:47:43,597 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:43,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1380749297, now seen corresponding path program 1 times [2023-11-19 07:47:43,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:43,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937128321] [2023-11-19 07:47:43,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:43,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:43,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:43,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:43,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:43,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937128321] [2023-11-19 07:47:43,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937128321] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:43,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:43,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-19 07:47:43,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145448023] [2023-11-19 07:47:43,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:43,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:47:43,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:43,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:47:43,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:47:43,755 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 386 [2023-11-19 07:47:43,756 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 104 transitions, 218 flow. Second operand has 2 states, 2 states have (on average 162.5) internal successors, (325), 2 states have internal predecessors, (325), 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) [2023-11-19 07:47:43,756 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:47:43,756 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 386 [2023-11-19 07:47:43,757 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:47:44,643 INFO L124 PetriNetUnfolderBase]: 849/1621 cut-off events. [2023-11-19 07:47:44,643 INFO L125 PetriNetUnfolderBase]: For 52/52 co-relation queries the response was YES. [2023-11-19 07:47:44,646 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2940 conditions, 1621 events. 849/1621 cut-off events. For 52/52 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 10073 event pairs, 559 based on Foata normal form. 0/1265 useless extension candidates. Maximal degree in co-relation 338. Up to 1272 conditions per place. [2023-11-19 07:47:44,656 INFO L140 encePairwiseOnDemand]: 349/386 looper letters, 40 selfloop transitions, 0 changer transitions 0/67 dead transitions. [2023-11-19 07:47:44,656 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 67 transitions, 224 flow [2023-11-19 07:47:44,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:47:44,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-19 07:47:44,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 397 transitions. [2023-11-19 07:47:44,663 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5142487046632125 [2023-11-19 07:47:44,663 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 397 transitions. [2023-11-19 07:47:44,663 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 397 transitions. [2023-11-19 07:47:44,664 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:47:44,664 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 397 transitions. [2023-11-19 07:47:44,667 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 198.5) internal successors, (397), 2 states have internal predecessors, (397), 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) [2023-11-19 07:47:44,672 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 386.0) internal successors, (1158), 3 states have internal predecessors, (1158), 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) [2023-11-19 07:47:44,674 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 386.0) internal successors, (1158), 3 states have internal predecessors, (1158), 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) [2023-11-19 07:47:44,674 INFO L175 Difference]: Start difference. First operand has 95 places, 104 transitions, 218 flow. Second operand 2 states and 397 transitions. [2023-11-19 07:47:44,674 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 67 transitions, 224 flow [2023-11-19 07:47:44,676 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 67 transitions, 224 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:47:44,678 INFO L231 Difference]: Finished difference. Result has 63 places, 67 transitions, 144 flow [2023-11-19 07:47:44,679 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=386, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=144, PETRI_PLACES=63, PETRI_TRANSITIONS=67} [2023-11-19 07:47:44,680 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -32 predicate places. [2023-11-19 07:47:44,680 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 67 transitions, 144 flow [2023-11-19 07:47:44,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 162.5) internal successors, (325), 2 states have internal predecessors, (325), 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) [2023-11-19 07:47:44,681 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:47:44,681 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2023-11-19 07:47:44,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:47:44,681 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err9ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2023-11-19 07:47:44,682 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:44,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1434547829, now seen corresponding path program 1 times [2023-11-19 07:47:44,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:44,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413618823] [2023-11-19 07:47:44,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:44,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:44,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:44,712 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:47:44,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:44,751 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:47:44,751 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:47:44,751 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (54 of 55 remaining) [2023-11-19 07:47:44,751 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (53 of 55 remaining) [2023-11-19 07:47:44,752 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (52 of 55 remaining) [2023-11-19 07:47:44,752 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (51 of 55 remaining) [2023-11-19 07:47:44,752 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (50 of 55 remaining) [2023-11-19 07:47:44,752 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (49 of 55 remaining) [2023-11-19 07:47:44,753 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (48 of 55 remaining) [2023-11-19 07:47:44,753 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (47 of 55 remaining) [2023-11-19 07:47:44,753 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (46 of 55 remaining) [2023-11-19 07:47:44,753 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (45 of 55 remaining) [2023-11-19 07:47:44,754 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (44 of 55 remaining) [2023-11-19 07:47:44,754 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (43 of 55 remaining) [2023-11-19 07:47:44,754 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (42 of 55 remaining) [2023-11-19 07:47:44,754 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (41 of 55 remaining) [2023-11-19 07:47:44,754 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (40 of 55 remaining) [2023-11-19 07:47:44,755 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (39 of 55 remaining) [2023-11-19 07:47:44,755 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (38 of 55 remaining) [2023-11-19 07:47:44,755 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (37 of 55 remaining) [2023-11-19 07:47:44,755 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (36 of 55 remaining) [2023-11-19 07:47:44,756 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (35 of 55 remaining) [2023-11-19 07:47:44,756 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (34 of 55 remaining) [2023-11-19 07:47:44,756 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (33 of 55 remaining) [2023-11-19 07:47:44,756 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (32 of 55 remaining) [2023-11-19 07:47:44,756 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (31 of 55 remaining) [2023-11-19 07:47:44,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (30 of 55 remaining) [2023-11-19 07:47:44,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (29 of 55 remaining) [2023-11-19 07:47:44,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (28 of 55 remaining) [2023-11-19 07:47:44,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (27 of 55 remaining) [2023-11-19 07:47:44,758 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 55 remaining) [2023-11-19 07:47:44,758 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (25 of 55 remaining) [2023-11-19 07:47:44,758 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (24 of 55 remaining) [2023-11-19 07:47:44,758 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (23 of 55 remaining) [2023-11-19 07:47:44,758 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (22 of 55 remaining) [2023-11-19 07:47:44,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (21 of 55 remaining) [2023-11-19 07:47:44,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (20 of 55 remaining) [2023-11-19 07:47:44,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (19 of 55 remaining) [2023-11-19 07:47:44,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (18 of 55 remaining) [2023-11-19 07:47:44,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (17 of 55 remaining) [2023-11-19 07:47:44,763 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (16 of 55 remaining) [2023-11-19 07:47:44,764 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (15 of 55 remaining) [2023-11-19 07:47:44,764 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (14 of 55 remaining) [2023-11-19 07:47:44,764 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (13 of 55 remaining) [2023-11-19 07:47:44,764 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (12 of 55 remaining) [2023-11-19 07:47:44,764 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (11 of 55 remaining) [2023-11-19 07:47:44,765 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (10 of 55 remaining) [2023-11-19 07:47:44,767 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (9 of 55 remaining) [2023-11-19 07:47:44,768 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (8 of 55 remaining) [2023-11-19 07:47:44,768 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (7 of 55 remaining) [2023-11-19 07:47:44,770 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (6 of 55 remaining) [2023-11-19 07:47:44,770 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (5 of 55 remaining) [2023-11-19 07:47:44,770 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (4 of 55 remaining) [2023-11-19 07:47:44,771 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (3 of 55 remaining) [2023-11-19 07:47:44,771 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (2 of 55 remaining) [2023-11-19 07:47:44,771 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (1 of 55 remaining) [2023-11-19 07:47:44,771 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (0 of 55 remaining) [2023-11-19 07:47:44,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:47:44,772 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-19 07:47:44,772 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-19 07:47:44,773 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2023-11-19 07:47:44,971 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-19 07:47:44,981 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 287 places, 314 transitions, 646 flow [2023-11-19 07:47:45,129 INFO L124 PetriNetUnfolderBase]: 37/351 cut-off events. [2023-11-19 07:47:45,129 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-19 07:47:45,136 INFO L83 FinitePrefix]: Finished finitePrefix Result has 364 conditions, 351 events. 37/351 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1628 event pairs, 0 based on Foata normal form. 0/256 useless extension candidates. Maximal degree in co-relation 292. Up to 8 conditions per place. [2023-11-19 07:47:45,136 INFO L82 GeneralOperation]: Start removeDead. Operand has 287 places, 314 transitions, 646 flow [2023-11-19 07:47:45,145 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 287 places, 314 transitions, 646 flow [2023-11-19 07:47:45,145 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:47:45,145 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 287 places, 314 transitions, 646 flow [2023-11-19 07:47:45,145 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 287 places, 314 transitions, 646 flow [2023-11-19 07:47:45,145 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 287 places, 314 transitions, 646 flow [2023-11-19 07:47:45,252 INFO L124 PetriNetUnfolderBase]: 37/351 cut-off events. [2023-11-19 07:47:45,252 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-19 07:47:45,259 INFO L83 FinitePrefix]: Finished finitePrefix Result has 364 conditions, 351 events. 37/351 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1628 event pairs, 0 based on Foata normal form. 0/256 useless extension candidates. Maximal degree in co-relation 292. Up to 8 conditions per place. [2023-11-19 07:47:45,290 INFO L119 LiptonReduction]: Number of co-enabled transitions 60264