./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/sigma.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_86bee73e-cd0a-4341-95a7-8981de1bafed/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bee73e-cd0a-4341-95a7-8981de1bafed/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_86bee73e-cd0a-4341-95a7-8981de1bafed/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bee73e-cd0a-4341-95a7-8981de1bafed/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/sigma.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bee73e-cd0a-4341-95a7-8981de1bafed/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_86bee73e-cd0a-4341-95a7-8981de1bafed/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 236a73c15e935747b9f2e95e881c26c921eba2f2ad7a2b23cf05552665b9f683 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:48:49,836 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:48:49,997 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bee73e-cd0a-4341-95a7-8981de1bafed/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-19 07:48:50,006 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:48:50,006 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:48:50,044 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:48:50,046 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:48:50,046 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:48:50,047 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:48:50,052 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:48:50,054 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:48:50,054 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:48:50,055 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:48:50,056 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:48:50,057 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:48:50,057 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:48:50,057 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:48:50,058 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:48:50,058 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:48:50,059 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:48:50,059 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:48:50,060 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:48:50,060 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 07:48:50,060 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:48:50,061 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:48:50,061 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:48:50,062 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:48:50,062 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:48:50,063 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:48:50,063 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:48:50,065 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:48:50,065 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:48:50,065 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:48:50,065 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:48:50,066 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:48:50,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:48:50,066 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:48:50,066 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:48:50,067 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:48:50,067 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:48:50,067 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:48:50,067 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_86bee73e-cd0a-4341-95a7-8981de1bafed/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bee73e-cd0a-4341-95a7-8981de1bafed/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 236a73c15e935747b9f2e95e881c26c921eba2f2ad7a2b23cf05552665b9f683 [2023-11-19 07:48:50,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:48:50,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:48:50,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:48:50,471 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:48:50,472 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:48:50,473 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bee73e-cd0a-4341-95a7-8981de1bafed/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/pthread/sigma.i [2023-11-19 07:48:53,590 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:48:53,927 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:48:53,928 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bee73e-cd0a-4341-95a7-8981de1bafed/sv-benchmarks/c/pthread/sigma.i [2023-11-19 07:48:53,949 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bee73e-cd0a-4341-95a7-8981de1bafed/bin/uautomizer-verify-uCwYo4JHxu/data/9a6a1a792/856c959cc058425994a5ac40053a0c92/FLAGb9b4346c9 [2023-11-19 07:48:53,964 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bee73e-cd0a-4341-95a7-8981de1bafed/bin/uautomizer-verify-uCwYo4JHxu/data/9a6a1a792/856c959cc058425994a5ac40053a0c92 [2023-11-19 07:48:53,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:48:53,973 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:48:53,976 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:48:53,976 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:48:53,982 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:48:53,983 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:48:53" (1/1) ... [2023-11-19 07:48:53,985 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bc30721 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:53, skipping insertion in model container [2023-11-19 07:48:53,986 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:48:53" (1/1) ... [2023-11-19 07:48:54,045 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:48:54,629 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:48:54,638 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:48:54,693 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:48:54,788 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:48:54,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:54 WrapperNode [2023-11-19 07:48:54,789 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:48:54,790 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:48:54,790 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:48:54,790 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:48:54,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:54" (1/1) ... [2023-11-19 07:48:54,825 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:54" (1/1) ... [2023-11-19 07:48:54,860 INFO L138 Inliner]: procedures = 323, calls = 32, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 156 [2023-11-19 07:48:54,861 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:48:54,861 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:48:54,862 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:48:54,862 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:48:54,872 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:54" (1/1) ... [2023-11-19 07:48:54,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:54" (1/1) ... [2023-11-19 07:48:54,879 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:54" (1/1) ... [2023-11-19 07:48:54,879 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:54" (1/1) ... [2023-11-19 07:48:54,894 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:54" (1/1) ... [2023-11-19 07:48:54,898 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:54" (1/1) ... [2023-11-19 07:48:54,901 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:54" (1/1) ... [2023-11-19 07:48:54,904 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:54" (1/1) ... [2023-11-19 07:48:54,908 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:48:54,909 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:48:54,909 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:48:54,909 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:48:54,910 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:54" (1/1) ... [2023-11-19 07:48:54,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:48:54,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bee73e-cd0a-4341-95a7-8981de1bafed/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:48:54,961 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bee73e-cd0a-4341-95a7-8981de1bafed/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:48:54,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bee73e-cd0a-4341-95a7-8981de1bafed/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:48:54,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:48:54,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:48:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:48:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:48:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:48:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:48:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:48:55,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:48:55,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:48:55,001 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2023-11-19 07:48:55,001 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2023-11-19 07:48:55,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:48:55,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:48:55,003 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 07:48:55,144 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:48:55,146 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:48:55,537 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:48:55,550 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:48:55,558 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 07:48:55,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:55 BoogieIcfgContainer [2023-11-19 07:48:55,567 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:48:55,570 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:48:55,570 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:48:55,572 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:48:55,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:48:53" (1/3) ... [2023-11-19 07:48:55,574 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ff03b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:48:55, skipping insertion in model container [2023-11-19 07:48:55,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:54" (2/3) ... [2023-11-19 07:48:55,574 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ff03b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:48:55, skipping insertion in model container [2023-11-19 07:48:55,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:55" (3/3) ... [2023-11-19 07:48:55,576 INFO L112 eAbstractionObserver]: Analyzing ICFG sigma.i [2023-11-19 07:48:55,585 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 07:48:55,596 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:48:55,597 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2023-11-19 07:48:55,597 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 07:48:55,672 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-19 07:48:55,720 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 195 places, 201 transitions, 409 flow [2023-11-19 07:48:55,963 INFO L124 PetriNetUnfolderBase]: 15/295 cut-off events. [2023-11-19 07:48:55,966 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-19 07:48:55,973 INFO L83 FinitePrefix]: Finished finitePrefix Result has 300 conditions, 295 events. 15/295 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 696 event pairs, 0 based on Foata normal form. 0/246 useless extension candidates. Maximal degree in co-relation 169. Up to 4 conditions per place. [2023-11-19 07:48:55,974 INFO L82 GeneralOperation]: Start removeDead. Operand has 195 places, 201 transitions, 409 flow [2023-11-19 07:48:55,988 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 195 places, 201 transitions, 409 flow [2023-11-19 07:48:55,992 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:48:56,002 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 195 places, 201 transitions, 409 flow [2023-11-19 07:48:56,005 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 195 places, 201 transitions, 409 flow [2023-11-19 07:48:56,006 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 195 places, 201 transitions, 409 flow [2023-11-19 07:48:56,082 INFO L124 PetriNetUnfolderBase]: 15/295 cut-off events. [2023-11-19 07:48:56,083 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-19 07:48:56,085 INFO L83 FinitePrefix]: Finished finitePrefix Result has 300 conditions, 295 events. 15/295 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 696 event pairs, 0 based on Foata normal form. 0/246 useless extension candidates. Maximal degree in co-relation 169. Up to 4 conditions per place. [2023-11-19 07:48:56,091 INFO L119 LiptonReduction]: Number of co-enabled transitions 3636 [2023-11-19 07:49:05,813 INFO L134 LiptonReduction]: Checked pairs total: 26228 [2023-11-19 07:49:05,814 INFO L136 LiptonReduction]: Total number of compositions: 188 [2023-11-19 07:49:05,838 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:49:05,845 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;@61f2636a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:49:05,846 INFO L358 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2023-11-19 07:49:05,847 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 07:49:05,848 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-19 07:49:05,848 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:49:05,848 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:49:05,849 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-19 07:49:05,849 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2023-11-19 07:49:05,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:49:05,854 INFO L85 PathProgramCache]: Analyzing trace with hash 667, now seen corresponding path program 1 times [2023-11-19 07:49:05,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:49:05,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952070247] [2023-11-19 07:49:05,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:05,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:49:05,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:06,011 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 07:49:06,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:49:06,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952070247] [2023-11-19 07:49:06,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952070247] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:49:06,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:49:06,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-19 07:49:06,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319846997] [2023-11-19 07:49:06,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:49:06,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:49:06,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:49:06,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:49:06,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:49:06,057 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 389 [2023-11-19 07:49:06,063 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 71 transitions, 149 flow. Second operand has 2 states, 2 states have (on average 191.5) internal successors, (383), 2 states have internal predecessors, (383), 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 07:49:06,063 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:49:06,064 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 389 [2023-11-19 07:49:06,065 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:49:06,150 INFO L124 PetriNetUnfolderBase]: 36/266 cut-off events. [2023-11-19 07:49:06,151 INFO L125 PetriNetUnfolderBase]: For 7/10 co-relation queries the response was YES. [2023-11-19 07:49:06,152 INFO L83 FinitePrefix]: Finished finitePrefix Result has 363 conditions, 266 events. 36/266 cut-off events. For 7/10 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1377 event pairs, 30 based on Foata normal form. 0/220 useless extension candidates. Maximal degree in co-relation 296. Up to 92 conditions per place. [2023-11-19 07:49:06,154 INFO L140 encePairwiseOnDemand]: 379/389 looper letters, 18 selfloop transitions, 0 changer transitions 0/61 dead transitions. [2023-11-19 07:49:06,155 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 61 transitions, 165 flow [2023-11-19 07:49:06,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:49:06,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-19 07:49:06,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 410 transitions. [2023-11-19 07:49:06,219 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5269922879177378 [2023-11-19 07:49:06,230 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 410 transitions. [2023-11-19 07:49:06,231 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 410 transitions. [2023-11-19 07:49:06,235 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:49:06,238 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 410 transitions. [2023-11-19 07:49:06,257 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 205.0) internal successors, (410), 2 states have internal predecessors, (410), 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 07:49:06,263 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 389.0) internal successors, (1167), 3 states have internal predecessors, (1167), 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 07:49:06,265 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 389.0) internal successors, (1167), 3 states have internal predecessors, (1167), 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 07:49:06,267 INFO L175 Difference]: Start difference. First operand has 72 places, 71 transitions, 149 flow. Second operand 2 states and 410 transitions. [2023-11-19 07:49:06,268 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 61 transitions, 165 flow [2023-11-19 07:49:06,271 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 61 transitions, 165 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:49:06,273 INFO L231 Difference]: Finished difference. Result has 63 places, 61 transitions, 129 flow [2023-11-19 07:49:06,275 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=389, PETRI_DIFFERENCE_MINUEND_FLOW=129, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=129, PETRI_PLACES=63, PETRI_TRANSITIONS=61} [2023-11-19 07:49:06,279 INFO L281 CegarLoopForPetriNet]: 72 programPoint places, -9 predicate places. [2023-11-19 07:49:06,279 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 61 transitions, 129 flow [2023-11-19 07:49:06,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 191.5) internal successors, (383), 2 states have internal predecessors, (383), 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 07:49:06,280 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:49:06,281 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-11-19 07:49:06,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:49:06,281 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2023-11-19 07:49:06,282 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:49:06,282 INFO L85 PathProgramCache]: Analyzing trace with hash 676715, now seen corresponding path program 1 times [2023-11-19 07:49:06,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:49:06,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010546463] [2023-11-19 07:49:06,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:06,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:49:06,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:06,456 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 07:49:06,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:49:06,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010546463] [2023-11-19 07:49:06,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010546463] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:49:06,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:49:06,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:49:06,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818846607] [2023-11-19 07:49:06,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:49:06,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:49:06,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:49:06,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:49:06,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:49:06,476 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 389 [2023-11-19 07:49:06,477 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 61 transitions, 129 flow. Second operand has 3 states, 3 states have (on average 185.0) internal successors, (555), 3 states have internal predecessors, (555), 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 07:49:06,478 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:49:06,478 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 389 [2023-11-19 07:49:06,478 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:49:06,587 INFO L124 PetriNetUnfolderBase]: 61/351 cut-off events. [2023-11-19 07:49:06,587 INFO L125 PetriNetUnfolderBase]: For 4/9 co-relation queries the response was YES. [2023-11-19 07:49:06,589 INFO L83 FinitePrefix]: Finished finitePrefix Result has 511 conditions, 351 events. 61/351 cut-off events. For 4/9 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1646 event pairs, 13 based on Foata normal form. 1/300 useless extension candidates. Maximal degree in co-relation 507. Up to 101 conditions per place. [2023-11-19 07:49:06,591 INFO L140 encePairwiseOnDemand]: 383/389 looper letters, 31 selfloop transitions, 4 changer transitions 0/74 dead transitions. [2023-11-19 07:49:06,591 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 74 transitions, 225 flow [2023-11-19 07:49:06,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:49:06,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:49:06,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 589 transitions. [2023-11-19 07:49:06,596 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.50471293916024 [2023-11-19 07:49:06,596 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 589 transitions. [2023-11-19 07:49:06,596 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 589 transitions. [2023-11-19 07:49:06,597 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:49:06,597 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 589 transitions. [2023-11-19 07:49:06,599 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 196.33333333333334) internal successors, (589), 3 states have internal predecessors, (589), 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 07:49:06,604 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 389.0) internal successors, (1556), 4 states have internal predecessors, (1556), 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 07:49:06,605 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 389.0) internal successors, (1556), 4 states have internal predecessors, (1556), 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 07:49:06,606 INFO L175 Difference]: Start difference. First operand has 63 places, 61 transitions, 129 flow. Second operand 3 states and 589 transitions. [2023-11-19 07:49:06,606 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 74 transitions, 225 flow [2023-11-19 07:49:06,607 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 74 transitions, 225 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:49:06,609 INFO L231 Difference]: Finished difference. Result has 66 places, 63 transitions, 157 flow [2023-11-19 07:49:06,609 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=389, PETRI_DIFFERENCE_MINUEND_FLOW=127, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=157, PETRI_PLACES=66, PETRI_TRANSITIONS=63} [2023-11-19 07:49:06,610 INFO L281 CegarLoopForPetriNet]: 72 programPoint places, -6 predicate places. [2023-11-19 07:49:06,610 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 63 transitions, 157 flow [2023-11-19 07:49:06,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 185.0) internal successors, (555), 3 states have internal predecessors, (555), 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 07:49:06,611 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:49:06,612 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-19 07:49:06,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:49:06,612 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2023-11-19 07:49:06,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:49:06,613 INFO L85 PathProgramCache]: Analyzing trace with hash 650676790, now seen corresponding path program 1 times [2023-11-19 07:49:06,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:49:06,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495198120] [2023-11-19 07:49:06,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:06,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:49:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:06,730 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 07:49:06,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:49:06,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495198120] [2023-11-19 07:49:06,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495198120] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:49:06,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:49:06,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:49:06,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599054970] [2023-11-19 07:49:06,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:49:06,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:49:06,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:49:06,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:49:06,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:49:06,832 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 389 [2023-11-19 07:49:06,833 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 63 transitions, 157 flow. Second operand has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 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 07:49:06,834 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:49:06,834 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 389 [2023-11-19 07:49:06,834 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:49:06,923 INFO L124 PetriNetUnfolderBase]: 40/328 cut-off events. [2023-11-19 07:49:06,923 INFO L125 PetriNetUnfolderBase]: For 35/43 co-relation queries the response was YES. [2023-11-19 07:49:06,926 INFO L83 FinitePrefix]: Finished finitePrefix Result has 474 conditions, 328 events. 40/328 cut-off events. For 35/43 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1742 event pairs, 18 based on Foata normal form. 3/281 useless extension candidates. Maximal degree in co-relation 468. Up to 94 conditions per place. [2023-11-19 07:49:06,928 INFO L140 encePairwiseOnDemand]: 386/389 looper letters, 24 selfloop transitions, 2 changer transitions 0/70 dead transitions. [2023-11-19 07:49:06,928 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 70 transitions, 231 flow [2023-11-19 07:49:06,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:49:06,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:49:06,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 560 transitions. [2023-11-19 07:49:06,932 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47986289631533846 [2023-11-19 07:49:06,932 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 560 transitions. [2023-11-19 07:49:06,932 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 560 transitions. [2023-11-19 07:49:06,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:49:06,933 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 560 transitions. [2023-11-19 07:49:06,935 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 186.66666666666666) internal successors, (560), 3 states have internal predecessors, (560), 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 07:49:06,938 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 389.0) internal successors, (1556), 4 states have internal predecessors, (1556), 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 07:49:06,940 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 389.0) internal successors, (1556), 4 states have internal predecessors, (1556), 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 07:49:06,940 INFO L175 Difference]: Start difference. First operand has 66 places, 63 transitions, 157 flow. Second operand 3 states and 560 transitions. [2023-11-19 07:49:06,940 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 70 transitions, 231 flow [2023-11-19 07:49:06,944 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 70 transitions, 219 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-19 07:49:06,947 INFO L231 Difference]: Finished difference. Result has 67 places, 63 transitions, 157 flow [2023-11-19 07:49:06,947 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=389, PETRI_DIFFERENCE_MINUEND_FLOW=149, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=157, PETRI_PLACES=67, PETRI_TRANSITIONS=63} [2023-11-19 07:49:06,949 INFO L281 CegarLoopForPetriNet]: 72 programPoint places, -5 predicate places. [2023-11-19 07:49:06,949 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 63 transitions, 157 flow [2023-11-19 07:49:06,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 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 07:49:06,950 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:49:06,950 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:49:06,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:49:06,956 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2023-11-19 07:49:06,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:49:06,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1309022548, now seen corresponding path program 1 times [2023-11-19 07:49:06,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:49:06,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376648943] [2023-11-19 07:49:06,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:06,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:49:07,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:07,055 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 07:49:07,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:49:07,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376648943] [2023-11-19 07:49:07,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376648943] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:49:07,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:49:07,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:49:07,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344263382] [2023-11-19 07:49:07,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:49:07,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:49:07,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:49:07,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:49:07,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:49:07,080 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 389 [2023-11-19 07:49:07,082 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 63 transitions, 157 flow. Second operand has 3 states, 3 states have (on average 183.66666666666666) internal successors, (551), 3 states have internal predecessors, (551), 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 07:49:07,082 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:49:07,082 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 389 [2023-11-19 07:49:07,082 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:49:07,205 INFO L124 PetriNetUnfolderBase]: 53/366 cut-off events. [2023-11-19 07:49:07,205 INFO L125 PetriNetUnfolderBase]: For 32/33 co-relation queries the response was YES. [2023-11-19 07:49:07,206 INFO L83 FinitePrefix]: Finished finitePrefix Result has 557 conditions, 366 events. 53/366 cut-off events. For 32/33 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2029 event pairs, 34 based on Foata normal form. 0/309 useless extension candidates. Maximal degree in co-relation 550. Up to 121 conditions per place. [2023-11-19 07:49:07,208 INFO L140 encePairwiseOnDemand]: 385/389 looper letters, 24 selfloop transitions, 3 changer transitions 0/68 dead transitions. [2023-11-19 07:49:07,208 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 68 transitions, 223 flow [2023-11-19 07:49:07,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:49:07,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:49:07,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 572 transitions. [2023-11-19 07:49:07,212 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49014567266495285 [2023-11-19 07:49:07,212 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 572 transitions. [2023-11-19 07:49:07,212 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 572 transitions. [2023-11-19 07:49:07,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:49:07,213 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 572 transitions. [2023-11-19 07:49:07,215 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 190.66666666666666) internal successors, (572), 3 states have internal predecessors, (572), 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 07:49:07,219 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 389.0) internal successors, (1556), 4 states have internal predecessors, (1556), 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 07:49:07,221 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 389.0) internal successors, (1556), 4 states have internal predecessors, (1556), 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 07:49:07,221 INFO L175 Difference]: Start difference. First operand has 67 places, 63 transitions, 157 flow. Second operand 3 states and 572 transitions. [2023-11-19 07:49:07,221 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 68 transitions, 223 flow [2023-11-19 07:49:07,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 68 transitions, 219 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-19 07:49:07,225 INFO L231 Difference]: Finished difference. Result has 68 places, 65 transitions, 174 flow [2023-11-19 07:49:07,225 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=389, PETRI_DIFFERENCE_MINUEND_FLOW=153, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=174, PETRI_PLACES=68, PETRI_TRANSITIONS=65} [2023-11-19 07:49:07,226 INFO L281 CegarLoopForPetriNet]: 72 programPoint places, -4 predicate places. [2023-11-19 07:49:07,226 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 65 transitions, 174 flow [2023-11-19 07:49:07,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 183.66666666666666) internal successors, (551), 3 states have internal predecessors, (551), 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 07:49:07,227 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:49:07,227 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:49:07,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:49:07,228 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2023-11-19 07:49:07,229 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:49:07,229 INFO L85 PathProgramCache]: Analyzing trace with hash 318854237, now seen corresponding path program 1 times [2023-11-19 07:49:07,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:49:07,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513268239] [2023-11-19 07:49:07,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:07,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:49:07,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:07,640 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 07:49:07,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:49:07,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513268239] [2023-11-19 07:49:07,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513268239] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:49:07,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:49:07,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:49:07,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140872157] [2023-11-19 07:49:07,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:49:07,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:49:07,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:49:07,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:49:07,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:49:07,902 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 389 [2023-11-19 07:49:07,904 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 65 transitions, 174 flow. Second operand has 6 states, 6 states have (on average 161.66666666666666) internal successors, (970), 6 states have internal predecessors, (970), 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 07:49:07,905 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:49:07,905 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 389 [2023-11-19 07:49:07,905 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:49:08,140 INFO L124 PetriNetUnfolderBase]: 232/761 cut-off events. [2023-11-19 07:49:08,140 INFO L125 PetriNetUnfolderBase]: For 105/119 co-relation queries the response was YES. [2023-11-19 07:49:08,142 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1440 conditions, 761 events. 232/761 cut-off events. For 105/119 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 4453 event pairs, 31 based on Foata normal form. 1/697 useless extension candidates. Maximal degree in co-relation 1432. Up to 345 conditions per place. [2023-11-19 07:49:08,146 INFO L140 encePairwiseOnDemand]: 371/389 looper letters, 58 selfloop transitions, 25 changer transitions 0/113 dead transitions. [2023-11-19 07:49:08,146 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 113 transitions, 454 flow [2023-11-19 07:49:08,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:49:08,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:49:08,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1042 transitions. [2023-11-19 07:49:08,151 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4464438731790917 [2023-11-19 07:49:08,151 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1042 transitions. [2023-11-19 07:49:08,151 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1042 transitions. [2023-11-19 07:49:08,152 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:49:08,153 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1042 transitions. [2023-11-19 07:49:08,156 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 173.66666666666666) internal successors, (1042), 6 states have internal predecessors, (1042), 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 07:49:08,162 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 389.0) internal successors, (2723), 7 states have internal predecessors, (2723), 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 07:49:08,164 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 389.0) internal successors, (2723), 7 states have internal predecessors, (2723), 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 07:49:08,164 INFO L175 Difference]: Start difference. First operand has 68 places, 65 transitions, 174 flow. Second operand 6 states and 1042 transitions. [2023-11-19 07:49:08,165 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 113 transitions, 454 flow [2023-11-19 07:49:08,167 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 113 transitions, 449 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 07:49:08,169 INFO L231 Difference]: Finished difference. Result has 77 places, 89 transitions, 353 flow [2023-11-19 07:49:08,170 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=389, PETRI_DIFFERENCE_MINUEND_FLOW=171, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=353, PETRI_PLACES=77, PETRI_TRANSITIONS=89} [2023-11-19 07:49:08,171 INFO L281 CegarLoopForPetriNet]: 72 programPoint places, 5 predicate places. [2023-11-19 07:49:08,171 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 89 transitions, 353 flow [2023-11-19 07:49:08,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 161.66666666666666) internal successors, (970), 6 states have internal predecessors, (970), 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 07:49:08,172 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:49:08,172 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:49:08,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:49:08,173 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2023-11-19 07:49:08,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:49:08,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1340399666, now seen corresponding path program 1 times [2023-11-19 07:49:08,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:49:08,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207642395] [2023-11-19 07:49:08,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:08,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:49:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:08,251 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 07:49:08,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:49:08,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207642395] [2023-11-19 07:49:08,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207642395] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:49:08,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:49:08,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:49:08,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518340006] [2023-11-19 07:49:08,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:49:08,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:49:08,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:49:08,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:49:08,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:49:08,268 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 389 [2023-11-19 07:49:08,269 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 89 transitions, 353 flow. Second operand has 3 states, 3 states have (on average 183.66666666666666) internal successors, (551), 3 states have internal predecessors, (551), 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 07:49:08,270 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:49:08,270 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 389 [2023-11-19 07:49:08,270 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:49:08,372 INFO L124 PetriNetUnfolderBase]: 127/608 cut-off events. [2023-11-19 07:49:08,373 INFO L125 PetriNetUnfolderBase]: For 187/202 co-relation queries the response was YES. [2023-11-19 07:49:08,375 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1307 conditions, 608 events. 127/608 cut-off events. For 187/202 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 3881 event pairs, 40 based on Foata normal form. 0/575 useless extension candidates. Maximal degree in co-relation 1295. Up to 166 conditions per place. [2023-11-19 07:49:08,378 INFO L140 encePairwiseOnDemand]: 386/389 looper letters, 23 selfloop transitions, 1 changer transitions 0/87 dead transitions. [2023-11-19 07:49:08,378 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 87 transitions, 397 flow [2023-11-19 07:49:08,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:49:08,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:49:08,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 565 transitions. [2023-11-19 07:49:08,381 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48414738646101113 [2023-11-19 07:49:08,381 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 565 transitions. [2023-11-19 07:49:08,381 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 565 transitions. [2023-11-19 07:49:08,382 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:49:08,382 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 565 transitions. [2023-11-19 07:49:08,384 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 188.33333333333334) internal successors, (565), 3 states have internal predecessors, (565), 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 07:49:08,388 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 389.0) internal successors, (1556), 4 states have internal predecessors, (1556), 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 07:49:08,389 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 389.0) internal successors, (1556), 4 states have internal predecessors, (1556), 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 07:49:08,389 INFO L175 Difference]: Start difference. First operand has 77 places, 89 transitions, 353 flow. Second operand 3 states and 565 transitions. [2023-11-19 07:49:08,389 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 87 transitions, 397 flow [2023-11-19 07:49:08,393 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 87 transitions, 397 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:49:08,395 INFO L231 Difference]: Finished difference. Result has 77 places, 87 transitions, 351 flow [2023-11-19 07:49:08,396 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=389, PETRI_DIFFERENCE_MINUEND_FLOW=349, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=351, PETRI_PLACES=77, PETRI_TRANSITIONS=87} [2023-11-19 07:49:08,397 INFO L281 CegarLoopForPetriNet]: 72 programPoint places, 5 predicate places. [2023-11-19 07:49:08,397 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 87 transitions, 351 flow [2023-11-19 07:49:08,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 183.66666666666666) internal successors, (551), 3 states have internal predecessors, (551), 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 07:49:08,398 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:49:08,398 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:49:08,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 07:49:08,398 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2023-11-19 07:49:08,399 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:49:08,399 INFO L85 PathProgramCache]: Analyzing trace with hash -372906760, now seen corresponding path program 1 times [2023-11-19 07:49:08,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:49:08,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703161895] [2023-11-19 07:49:08,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:08,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:49:08,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:49:08,435 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:49:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:49:08,489 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:49:08,489 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:49:08,491 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location threadErr1ASSERT_VIOLATIONDATA_RACE (23 of 24 remaining) [2023-11-19 07:49:08,492 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (22 of 24 remaining) [2023-11-19 07:49:08,493 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (21 of 24 remaining) [2023-11-19 07:49:08,493 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (20 of 24 remaining) [2023-11-19 07:49:08,493 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (19 of 24 remaining) [2023-11-19 07:49:08,494 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (18 of 24 remaining) [2023-11-19 07:49:08,494 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (17 of 24 remaining) [2023-11-19 07:49:08,494 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (16 of 24 remaining) [2023-11-19 07:49:08,494 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (15 of 24 remaining) [2023-11-19 07:49:08,494 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (14 of 24 remaining) [2023-11-19 07:49:08,495 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (13 of 24 remaining) [2023-11-19 07:49:08,495 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (12 of 24 remaining) [2023-11-19 07:49:08,495 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (11 of 24 remaining) [2023-11-19 07:49:08,495 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (10 of 24 remaining) [2023-11-19 07:49:08,496 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (9 of 24 remaining) [2023-11-19 07:49:08,496 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (8 of 24 remaining) [2023-11-19 07:49:08,496 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (7 of 24 remaining) [2023-11-19 07:49:08,496 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (6 of 24 remaining) [2023-11-19 07:49:08,496 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 24 remaining) [2023-11-19 07:49:08,497 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (4 of 24 remaining) [2023-11-19 07:49:08,497 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (3 of 24 remaining) [2023-11-19 07:49:08,497 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (2 of 24 remaining) [2023-11-19 07:49:08,497 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 24 remaining) [2023-11-19 07:49:08,498 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (0 of 24 remaining) [2023-11-19 07:49:08,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 07:49:08,498 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:49:08,505 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 07:49:08,505 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:49:08,532 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem13 [2023-11-19 07:49:08,533 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre12 could not be translated [2023-11-19 07:49:08,533 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem13 [2023-11-19 07:49:08,533 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre12 could not be translated [2023-11-19 07:49:08,534 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem13 [2023-11-19 07:49:08,534 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre12 could not be translated [2023-11-19 07:49:08,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post10 could not be translated [2023-11-19 07:49:08,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated [2023-11-19 07:49:08,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post10 could not be translated [2023-11-19 07:49:08,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:49:08 BasicIcfg [2023-11-19 07:49:08,544 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:49:08,544 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:49:08,544 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:49:08,545 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:49:08,545 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:55" (3/4) ... [2023-11-19 07:49:08,547 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:49:08,548 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:49:08,549 INFO L158 Benchmark]: Toolchain (without parser) took 14575.94ms. Allocated memory was 182.5MB in the beginning and 264.2MB in the end (delta: 81.8MB). Free memory was 143.4MB in the beginning and 165.5MB in the end (delta: -22.1MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB. [2023-11-19 07:49:08,549 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 121.6MB. Free memory is still 88.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:49:08,550 INFO L158 Benchmark]: CACSL2BoogieTranslator took 813.35ms. Allocated memory is still 182.5MB. Free memory was 143.4MB in the beginning and 123.9MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 07:49:08,550 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.86ms. Allocated memory is still 182.5MB. Free memory was 123.9MB in the beginning and 120.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:49:08,551 INFO L158 Benchmark]: Boogie Preprocessor took 47.03ms. Allocated memory is still 182.5MB. Free memory was 120.9MB in the beginning and 118.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:49:08,551 INFO L158 Benchmark]: RCFGBuilder took 658.14ms. Allocated memory is still 182.5MB. Free memory was 118.8MB in the beginning and 96.2MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 07:49:08,552 INFO L158 Benchmark]: TraceAbstraction took 12974.17ms. Allocated memory was 182.5MB in the beginning and 264.2MB in the end (delta: 81.8MB). Free memory was 95.7MB in the beginning and 165.5MB in the end (delta: -69.8MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2023-11-19 07:49:08,552 INFO L158 Benchmark]: Witness Printer took 3.94ms. Allocated memory is still 264.2MB. Free memory is still 165.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:49:08,554 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 121.6MB. Free memory is still 88.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 813.35ms. Allocated memory is still 182.5MB. Free memory was 143.4MB in the beginning and 123.9MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.86ms. Allocated memory is still 182.5MB. Free memory was 123.9MB in the beginning and 120.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.03ms. Allocated memory is still 182.5MB. Free memory was 120.9MB in the beginning and 118.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 658.14ms. Allocated memory is still 182.5MB. Free memory was 118.8MB in the beginning and 96.2MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 12974.17ms. Allocated memory was 182.5MB in the beginning and 264.2MB in the end (delta: 81.8MB). Free memory was 95.7MB in the beginning and 165.5MB in the end (delta: -69.8MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * Witness Printer took 3.94ms. Allocated memory is still 264.2MB. Free memory is still 165.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem13 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem13 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem13 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post10 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.8s, 195 PlacesBefore, 72 PlacesAfterwards, 201 TransitionsBefore, 71 TransitionsAfterwards, 3636 CoEnabledTransitionPairs, 9 FixpointIterations, 100 TrivialSequentialCompositions, 58 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 17 ConcurrentYvCompositions, 7 ChoiceCompositions, 188 TotalNumberOfCompositions, 26228 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8969, independent: 7986, independent conditional: 0, independent unconditional: 7986, dependent: 983, dependent conditional: 0, dependent unconditional: 983, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1759, independent: 1651, independent conditional: 0, independent unconditional: 1651, dependent: 108, dependent conditional: 0, dependent unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8969, independent: 6335, independent conditional: 0, independent unconditional: 6335, dependent: 875, dependent conditional: 0, dependent unconditional: 875, unknown: 1759, unknown conditional: 0, unknown unconditional: 1759] , Statistics on independence cache: Total cache size (in pairs): 396, Positive cache size: 330, Positive conditional cache size: 0, Positive unconditional cache size: 330, Negative cache size: 66, Negative conditional cache size: 0, Negative unconditional cache size: 66, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 1117]: Data race detected [2023-11-19 07:49:08,585 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre12 could not be translated [2023-11-19 07:49:08,594 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem13 [2023-11-19 07:49:08,595 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem13 [2023-11-19 07:49:08,595 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre12 could not be translated [2023-11-19 07:49:08,600 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem13 [2023-11-19 07:49:08,601 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre12 could not be translated [2023-11-19 07:49:08,601 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post10 could not be translated [2023-11-19 07:49:08,601 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated [2023-11-19 07:49:08,602 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post10 could not be translated [2023-11-19 07:49:08,611 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem13 [2023-11-19 07:49:08,614 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre12 could not be translated [2023-11-19 07:49:08,615 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem13 [2023-11-19 07:49:08,615 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre12 could not be translated [2023-11-19 07:49:08,615 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem13 [2023-11-19 07:49:08,615 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre12 could not be translated [2023-11-19 07:49:08,617 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post10 could not be translated [2023-11-19 07:49:08,621 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated [2023-11-19 07:49:08,621 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post10 could not be translated Data race detected The following path leads to a data race: [L1112] 0 const int SIGMA = 16; [L1113] 0 int *array; [L1114] 0 int array_index=-1; [L1122] 0 int tid, sum; [L1123] 0 pthread_t *t; [L1124] EXPR 0 sizeof(pthread_t) * SIGMA [L1124] 0 t = (pthread_t *)malloc(sizeof(pthread_t) * SIGMA) [L1125] EXPR 0 sizeof(int) * SIGMA [L1125] 0 array = (int *)malloc(sizeof(int) * SIGMA) [L1126] EXPR 0 \read(*t) [L1126] 0 assume_abort_if_not(t) [L1126] CALL 0 assume_abort_if_not(t) [L11] COND FALSE 0 !(!cond) [L1126] RET 0 assume_abort_if_not(t) [L1127] 0 assume_abort_if_not(array) [L1127] CALL 0 assume_abort_if_not(array) [L11] COND FALSE 0 !(!cond) [L1127] RET 0 assume_abort_if_not(array) [L1128] 0 tid=0 VAL [SIGMA=16, array={-2:0}, array_index=-1, t={9:0}, tid=0] [L1128] 0 tid