./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-match-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967500eb-62c5-4e08-8403-0ed93b0f4180/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967500eb-62c5-4e08-8403-0ed93b0f4180/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_967500eb-62c5-4e08-8403-0ed93b0f4180/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967500eb-62c5-4e08-8403-0ed93b0f4180/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-match-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967500eb-62c5-4e08-8403-0ed93b0f4180/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_967500eb-62c5-4e08-8403-0ed93b0f4180/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 2c931aeff3bd4feb775048ea000220a43a3b08d8a3667f51cb57a0babc9201aa --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:41:27,544 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:41:27,633 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967500eb-62c5-4e08-8403-0ed93b0f4180/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-19 07:41:27,644 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:41:27,647 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:41:27,688 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:41:27,689 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:41:27,690 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:41:27,691 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:41:27,698 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:41:27,700 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:41:27,701 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:41:27,702 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:41:27,704 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:41:27,704 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:41:27,705 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:41:27,705 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:41:27,705 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:41:27,706 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:41:27,706 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:41:27,707 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:41:27,707 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:41:27,708 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 07:41:27,708 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:41:27,709 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:41:27,709 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:41:27,709 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:41:27,710 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:41:27,711 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:41:27,711 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:41:27,713 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:41:27,713 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:41:27,713 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:41:27,713 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:41:27,713 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:41:27,714 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:41:27,714 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:41:27,714 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:41:27,714 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:41:27,714 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:41:27,715 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:41:27,715 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_967500eb-62c5-4e08-8403-0ed93b0f4180/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967500eb-62c5-4e08-8403-0ed93b0f4180/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c931aeff3bd4feb775048ea000220a43a3b08d8a3667f51cb57a0babc9201aa [2023-11-19 07:41:27,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:41:28,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:41:28,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:41:28,029 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:41:28,030 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:41:28,031 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967500eb-62c5-4e08-8403-0ed93b0f4180/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/weaver/chl-match-subst.wvr.c [2023-11-19 07:41:31,214 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:41:31,483 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:41:31,483 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967500eb-62c5-4e08-8403-0ed93b0f4180/sv-benchmarks/c/weaver/chl-match-subst.wvr.c [2023-11-19 07:41:31,493 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967500eb-62c5-4e08-8403-0ed93b0f4180/bin/uautomizer-verify-uCwYo4JHxu/data/b296dc32a/81bd6d10e2de475ab533306c53b017dd/FLAG13931c382 [2023-11-19 07:41:31,509 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967500eb-62c5-4e08-8403-0ed93b0f4180/bin/uautomizer-verify-uCwYo4JHxu/data/b296dc32a/81bd6d10e2de475ab533306c53b017dd [2023-11-19 07:41:31,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:41:31,514 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:41:31,515 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:41:31,516 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:41:31,532 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:41:31,533 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:41:31" (1/1) ... [2023-11-19 07:41:31,534 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@655c47d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:31, skipping insertion in model container [2023-11-19 07:41:31,534 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:41:31" (1/1) ... [2023-11-19 07:41:31,565 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:41:31,788 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:41:31,800 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:41:31,840 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:41:31,858 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:41:31,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:31 WrapperNode [2023-11-19 07:41:31,859 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:41:31,861 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:41:31,861 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:41:31,861 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:41:31,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:31" (1/1) ... [2023-11-19 07:41:31,881 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:31" (1/1) ... [2023-11-19 07:41:31,921 INFO L138 Inliner]: procedures = 23, calls = 35, calls flagged for inlining = 13, calls inlined = 23, statements flattened = 356 [2023-11-19 07:41:31,921 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:41:31,922 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:41:31,922 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:41:31,923 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:41:31,933 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:31" (1/1) ... [2023-11-19 07:41:31,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:31" (1/1) ... [2023-11-19 07:41:31,938 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:31" (1/1) ... [2023-11-19 07:41:31,939 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:31" (1/1) ... [2023-11-19 07:41:31,960 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:31" (1/1) ... [2023-11-19 07:41:31,964 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:31" (1/1) ... [2023-11-19 07:41:31,966 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:31" (1/1) ... [2023-11-19 07:41:31,969 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:31" (1/1) ... [2023-11-19 07:41:31,988 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:41:31,989 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:41:31,989 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:41:31,989 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:41:31,990 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:31" (1/1) ... [2023-11-19 07:41:32,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:41:32,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967500eb-62c5-4e08-8403-0ed93b0f4180/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:32,029 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967500eb-62c5-4e08-8403-0ed93b0f4180/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:32,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967500eb-62c5-4e08-8403-0ed93b0f4180/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:41:32,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:41:32,076 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 07:41:32,077 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 07:41:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 07:41:32,077 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 07:41:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 07:41:32,078 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 07:41:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:41:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:41:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:41:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:41:32,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:41:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:41:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:41:32,082 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 07:41:32,227 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:41:32,230 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:41:32,888 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:41:32,913 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:41:32,913 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:41:32,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:41:32 BoogieIcfgContainer [2023-11-19 07:41:32,924 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:41:32,926 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:41:32,927 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:41:32,930 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:41:32,930 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:41:31" (1/3) ... [2023-11-19 07:41:32,931 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66aa3ad7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:41:32, skipping insertion in model container [2023-11-19 07:41:32,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:31" (2/3) ... [2023-11-19 07:41:32,932 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66aa3ad7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:41:32, skipping insertion in model container [2023-11-19 07:41:32,932 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:41:32" (3/3) ... [2023-11-19 07:41:32,934 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-match-subst.wvr.c [2023-11-19 07:41:32,941 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 07:41:32,950 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:41:32,950 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2023-11-19 07:41:32,950 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 07:41:33,163 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-19 07:41:33,238 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 476 places, 484 transitions, 989 flow [2023-11-19 07:41:33,565 INFO L124 PetriNetUnfolderBase]: 18/481 cut-off events. [2023-11-19 07:41:33,566 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-19 07:41:33,582 INFO L83 FinitePrefix]: Finished finitePrefix Result has 494 conditions, 481 events. 18/481 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 825 event pairs, 0 based on Foata normal form. 0/419 useless extension candidates. Maximal degree in co-relation 311. Up to 2 conditions per place. [2023-11-19 07:41:33,582 INFO L82 GeneralOperation]: Start removeDead. Operand has 476 places, 484 transitions, 989 flow [2023-11-19 07:41:33,595 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 449 places, 455 transitions, 928 flow [2023-11-19 07:41:33,599 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:41:33,610 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 449 places, 455 transitions, 928 flow [2023-11-19 07:41:33,615 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 449 places, 455 transitions, 928 flow [2023-11-19 07:41:33,615 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 449 places, 455 transitions, 928 flow [2023-11-19 07:41:33,740 INFO L124 PetriNetUnfolderBase]: 16/455 cut-off events. [2023-11-19 07:41:33,740 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-19 07:41:33,746 INFO L83 FinitePrefix]: Finished finitePrefix Result has 468 conditions, 455 events. 16/455 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 807 event pairs, 0 based on Foata normal form. 0/396 useless extension candidates. Maximal degree in co-relation 311. Up to 2 conditions per place. [2023-11-19 07:41:33,790 INFO L119 LiptonReduction]: Number of co-enabled transitions 66552 [2023-11-19 07:41:45,974 INFO L134 LiptonReduction]: Checked pairs total: 186953 [2023-11-19 07:41:45,975 INFO L136 LiptonReduction]: Total number of compositions: 484 [2023-11-19 07:41:46,010 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:41:46,019 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;@4de3cbfa, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:41:46,019 INFO L358 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2023-11-19 07:41:46,021 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 07:41:46,022 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-19 07:41:46,022 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:41:46,022 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:41:46,023 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-19 07:41:46,023 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-19 07:41:46,029 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:46,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1807, now seen corresponding path program 1 times [2023-11-19 07:41:46,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:46,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019301929] [2023-11-19 07:41:46,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:46,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:46,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:46,169 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 07:41:46,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:41:46,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019301929] [2023-11-19 07:41:46,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019301929] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:41:46,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:41:46,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-19 07:41:46,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662504418] [2023-11-19 07:41:46,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:41:46,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:41:46,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:41:46,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:41:46,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:41:46,249 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 463 out of 968 [2023-11-19 07:41:46,256 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 117 transitions, 252 flow. Second operand has 2 states, 2 states have (on average 463.5) internal successors, (927), 2 states have internal predecessors, (927), 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 07:41:46,256 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:41:46,256 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 463 of 968 [2023-11-19 07:41:46,257 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:41:47,877 INFO L124 PetriNetUnfolderBase]: 4807/10479 cut-off events. [2023-11-19 07:41:47,877 INFO L125 PetriNetUnfolderBase]: For 283/283 co-relation queries the response was YES. [2023-11-19 07:41:47,903 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17609 conditions, 10479 events. 4807/10479 cut-off events. For 283/283 co-relation queries the response was YES. Maximal size of possible extension queue 433. Compared 93601 event pairs, 4205 based on Foata normal form. 798/9422 useless extension candidates. Maximal degree in co-relation 16344. Up to 6826 conditions per place. [2023-11-19 07:41:47,988 INFO L140 encePairwiseOnDemand]: 946/968 looper letters, 39 selfloop transitions, 0 changer transitions 1/93 dead transitions. [2023-11-19 07:41:47,988 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 93 transitions, 284 flow [2023-11-19 07:41:47,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:41:47,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-19 07:41:48,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 988 transitions. [2023-11-19 07:41:48,019 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5103305785123967 [2023-11-19 07:41:48,022 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 988 transitions. [2023-11-19 07:41:48,022 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 988 transitions. [2023-11-19 07:41:48,028 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:41:48,031 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 988 transitions. [2023-11-19 07:41:48,038 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 494.0) internal successors, (988), 2 states have internal predecessors, (988), 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 07:41:48,048 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 968.0) internal successors, (2904), 3 states have internal predecessors, (2904), 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 07:41:48,051 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 968.0) internal successors, (2904), 3 states have internal predecessors, (2904), 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 07:41:48,053 INFO L175 Difference]: Start difference. First operand has 120 places, 117 transitions, 252 flow. Second operand 2 states and 988 transitions. [2023-11-19 07:41:48,055 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 93 transitions, 284 flow [2023-11-19 07:41:48,064 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 93 transitions, 272 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-19 07:41:48,067 INFO L231 Difference]: Finished difference. Result has 95 places, 92 transitions, 189 flow [2023-11-19 07:41:48,070 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=968, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=189, PETRI_PLACES=95, PETRI_TRANSITIONS=92} [2023-11-19 07:41:48,075 INFO L281 CegarLoopForPetriNet]: 120 programPoint places, -25 predicate places. [2023-11-19 07:41:48,075 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 92 transitions, 189 flow [2023-11-19 07:41:48,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 463.5) internal successors, (927), 2 states have internal predecessors, (927), 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 07:41:48,076 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:41:48,077 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-11-19 07:41:48,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:41:48,077 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-19 07:41:48,078 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:48,078 INFO L85 PathProgramCache]: Analyzing trace with hash 56378079, now seen corresponding path program 1 times [2023-11-19 07:41:48,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:48,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101790768] [2023-11-19 07:41:48,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:48,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:48,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:48,236 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 07:41:48,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:41:48,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101790768] [2023-11-19 07:41:48,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101790768] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:41:48,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:41:48,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:41:48,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85794302] [2023-11-19 07:41:48,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:41:48,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:41:48,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:41:48,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:41:48,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:41:48,264 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 456 out of 968 [2023-11-19 07:41:48,266 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 92 transitions, 189 flow. Second operand has 3 states, 3 states have (on average 457.3333333333333) internal successors, (1372), 3 states have internal predecessors, (1372), 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 07:41:48,267 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:41:48,267 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 456 of 968 [2023-11-19 07:41:48,268 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:41:49,852 INFO L124 PetriNetUnfolderBase]: 5825/12528 cut-off events. [2023-11-19 07:41:49,853 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2023-11-19 07:41:49,880 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20914 conditions, 12528 events. 5825/12528 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 491. Compared 114702 event pairs, 1788 based on Foata normal form. 0/10812 useless extension candidates. Maximal degree in co-relation 20911. Up to 8229 conditions per place. [2023-11-19 07:41:49,949 INFO L140 encePairwiseOnDemand]: 964/968 looper letters, 55 selfloop transitions, 2 changer transitions 0/106 dead transitions. [2023-11-19 07:41:49,950 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 106 transitions, 333 flow [2023-11-19 07:41:49,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:41:49,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:41:49,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1427 transitions. [2023-11-19 07:41:49,958 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49139118457300274 [2023-11-19 07:41:49,958 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1427 transitions. [2023-11-19 07:41:49,958 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1427 transitions. [2023-11-19 07:41:49,959 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:41:49,959 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1427 transitions. [2023-11-19 07:41:49,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 475.6666666666667) internal successors, (1427), 3 states have internal predecessors, (1427), 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 07:41:49,974 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 968.0) internal successors, (3872), 4 states have internal predecessors, (3872), 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 07:41:49,978 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 968.0) internal successors, (3872), 4 states have internal predecessors, (3872), 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 07:41:49,980 INFO L175 Difference]: Start difference. First operand has 95 places, 92 transitions, 189 flow. Second operand 3 states and 1427 transitions. [2023-11-19 07:41:49,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 106 transitions, 333 flow [2023-11-19 07:41:49,983 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 106 transitions, 333 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:41:49,986 INFO L231 Difference]: Finished difference. Result has 95 places, 92 transitions, 199 flow [2023-11-19 07:41:49,986 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=968, PETRI_DIFFERENCE_MINUEND_FLOW=185, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=199, PETRI_PLACES=95, PETRI_TRANSITIONS=92} [2023-11-19 07:41:49,988 INFO L281 CegarLoopForPetriNet]: 120 programPoint places, -25 predicate places. [2023-11-19 07:41:49,988 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 92 transitions, 199 flow [2023-11-19 07:41:49,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 457.3333333333333) internal successors, (1372), 3 states have internal predecessors, (1372), 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 07:41:49,990 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:41:49,995 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:41:49,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:41:49,996 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-19 07:41:49,996 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:49,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1655206463, now seen corresponding path program 1 times [2023-11-19 07:41:49,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:49,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660015375] [2023-11-19 07:41:49,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:49,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:50,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:50,103 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 07:41:50,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:41:50,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660015375] [2023-11-19 07:41:50,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660015375] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:41:50,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:41:50,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:41:50,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313929293] [2023-11-19 07:41:50,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:41:50,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:41:50,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:41:50,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:41:50,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:41:50,119 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 456 out of 968 [2023-11-19 07:41:50,121 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 92 transitions, 199 flow. Second operand has 3 states, 3 states have (on average 457.6666666666667) internal successors, (1373), 3 states have internal predecessors, (1373), 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 07:41:50,121 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:41:50,121 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 456 of 968 [2023-11-19 07:41:50,121 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:41:51,707 INFO L124 PetriNetUnfolderBase]: 5825/12272 cut-off events. [2023-11-19 07:41:51,707 INFO L125 PetriNetUnfolderBase]: For 444/444 co-relation queries the response was YES. [2023-11-19 07:41:51,740 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21141 conditions, 12272 events. 5825/12272 cut-off events. For 444/444 co-relation queries the response was YES. Maximal size of possible extension queue 493. Compared 109978 event pairs, 1513 based on Foata normal form. 0/10609 useless extension candidates. Maximal degree in co-relation 21137. Up to 8058 conditions per place. [2023-11-19 07:41:51,822 INFO L140 encePairwiseOnDemand]: 964/968 looper letters, 59 selfloop transitions, 2 changer transitions 0/108 dead transitions. [2023-11-19 07:41:51,822 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 108 transitions, 359 flow [2023-11-19 07:41:51,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:41:51,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:41:51,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1429 transitions. [2023-11-19 07:41:51,830 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49207988980716255 [2023-11-19 07:41:51,830 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1429 transitions. [2023-11-19 07:41:51,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1429 transitions. [2023-11-19 07:41:51,832 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:41:51,833 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1429 transitions. [2023-11-19 07:41:51,838 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 476.3333333333333) internal successors, (1429), 3 states have internal predecessors, (1429), 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 07:41:51,848 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 968.0) internal successors, (3872), 4 states have internal predecessors, (3872), 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 07:41:51,851 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 968.0) internal successors, (3872), 4 states have internal predecessors, (3872), 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 07:41:51,852 INFO L175 Difference]: Start difference. First operand has 95 places, 92 transitions, 199 flow. Second operand 3 states and 1429 transitions. [2023-11-19 07:41:51,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 108 transitions, 359 flow [2023-11-19 07:41:51,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 108 transitions, 359 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:41:51,856 INFO L231 Difference]: Finished difference. Result has 96 places, 92 transitions, 209 flow [2023-11-19 07:41:51,857 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=968, PETRI_DIFFERENCE_MINUEND_FLOW=195, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=209, PETRI_PLACES=96, PETRI_TRANSITIONS=92} [2023-11-19 07:41:51,858 INFO L281 CegarLoopForPetriNet]: 120 programPoint places, -24 predicate places. [2023-11-19 07:41:51,858 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 92 transitions, 209 flow [2023-11-19 07:41:51,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 457.6666666666667) internal successors, (1373), 3 states have internal predecessors, (1373), 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 07:41:51,860 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:41:51,860 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:41:51,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:41:51,861 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-19 07:41:51,861 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:51,862 INFO L85 PathProgramCache]: Analyzing trace with hash -404884602, now seen corresponding path program 1 times [2023-11-19 07:41:51,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:51,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899609215] [2023-11-19 07:41:51,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:51,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:51,924 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 07:41:51,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:41:51,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899609215] [2023-11-19 07:41:51,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899609215] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:41:51,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:41:51,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:41:51,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100144071] [2023-11-19 07:41:51,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:41:51,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:41:51,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:41:51,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:41:51,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:41:51,942 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 456 out of 968 [2023-11-19 07:41:51,945 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 92 transitions, 209 flow. Second operand has 3 states, 3 states have (on average 458.6666666666667) internal successors, (1376), 3 states have internal predecessors, (1376), 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 07:41:51,945 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:41:51,946 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 456 of 968 [2023-11-19 07:41:51,946 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:41:53,510 INFO L124 PetriNetUnfolderBase]: 6121/12904 cut-off events. [2023-11-19 07:41:53,510 INFO L125 PetriNetUnfolderBase]: For 466/466 co-relation queries the response was YES. [2023-11-19 07:41:53,540 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22290 conditions, 12904 events. 6121/12904 cut-off events. For 466/466 co-relation queries the response was YES. Maximal size of possible extension queue 520. Compared 117465 event pairs, 1447 based on Foata normal form. 0/10900 useless extension candidates. Maximal degree in co-relation 22285. Up to 8374 conditions per place. [2023-11-19 07:41:53,601 INFO L140 encePairwiseOnDemand]: 964/968 looper letters, 62 selfloop transitions, 2 changer transitions 0/111 dead transitions. [2023-11-19 07:41:53,601 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 111 transitions, 387 flow [2023-11-19 07:41:53,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:41:53,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:41:53,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1430 transitions. [2023-11-19 07:41:53,607 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49242424242424243 [2023-11-19 07:41:53,608 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1430 transitions. [2023-11-19 07:41:53,608 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1430 transitions. [2023-11-19 07:41:53,609 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:41:53,609 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1430 transitions. [2023-11-19 07:41:53,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 476.6666666666667) internal successors, (1430), 3 states have internal predecessors, (1430), 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 07:41:53,621 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 968.0) internal successors, (3872), 4 states have internal predecessors, (3872), 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 07:41:53,624 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 968.0) internal successors, (3872), 4 states have internal predecessors, (3872), 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 07:41:53,624 INFO L175 Difference]: Start difference. First operand has 96 places, 92 transitions, 209 flow. Second operand 3 states and 1430 transitions. [2023-11-19 07:41:53,625 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 111 transitions, 387 flow [2023-11-19 07:41:53,626 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 111 transitions, 387 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:41:53,628 INFO L231 Difference]: Finished difference. Result has 97 places, 92 transitions, 219 flow [2023-11-19 07:41:53,629 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=968, PETRI_DIFFERENCE_MINUEND_FLOW=205, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=219, PETRI_PLACES=97, PETRI_TRANSITIONS=92} [2023-11-19 07:41:53,630 INFO L281 CegarLoopForPetriNet]: 120 programPoint places, -23 predicate places. [2023-11-19 07:41:53,630 INFO L495 AbstractCegarLoop]: Abstraction has has 97 places, 92 transitions, 219 flow [2023-11-19 07:41:53,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 458.6666666666667) internal successors, (1376), 3 states have internal predecessors, (1376), 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 07:41:53,631 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:41:53,632 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:41:53,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:41:53,632 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread3Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-19 07:41:53,632 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:53,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1747961896, now seen corresponding path program 1 times [2023-11-19 07:41:53,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:53,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314553161] [2023-11-19 07:41:53,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:53,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:53,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:53,679 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 07:41:53,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:41:53,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314553161] [2023-11-19 07:41:53,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314553161] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:41:53,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:41:53,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:41:53,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733009940] [2023-11-19 07:41:53,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:41:53,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:41:53,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:41:53,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:41:53,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:41:53,693 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 456 out of 968 [2023-11-19 07:41:53,696 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 92 transitions, 219 flow. Second operand has 3 states, 3 states have (on average 459.0) internal successors, (1377), 3 states have internal predecessors, (1377), 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 07:41:53,696 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:41:53,696 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 456 of 968 [2023-11-19 07:41:53,696 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:41:55,335 INFO L124 PetriNetUnfolderBase]: 6121/12782 cut-off events. [2023-11-19 07:41:55,335 INFO L125 PetriNetUnfolderBase]: For 902/902 co-relation queries the response was YES. [2023-11-19 07:41:55,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22747 conditions, 12782 events. 6121/12782 cut-off events. For 902/902 co-relation queries the response was YES. Maximal size of possible extension queue 518. Compared 114544 event pairs, 1371 based on Foata normal form. 0/10763 useless extension candidates. Maximal degree in co-relation 22741. Up to 7958 conditions per place. [2023-11-19 07:41:55,433 INFO L140 encePairwiseOnDemand]: 964/968 looper letters, 66 selfloop transitions, 2 changer transitions 0/113 dead transitions. [2023-11-19 07:41:55,433 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 113 transitions, 413 flow [2023-11-19 07:41:55,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:41:55,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:41:55,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1432 transitions. [2023-11-19 07:41:55,440 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4931129476584022 [2023-11-19 07:41:55,440 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1432 transitions. [2023-11-19 07:41:55,440 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1432 transitions. [2023-11-19 07:41:55,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:41:55,442 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1432 transitions. [2023-11-19 07:41:55,447 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 477.3333333333333) internal successors, (1432), 3 states have internal predecessors, (1432), 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 07:41:55,456 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 968.0) internal successors, (3872), 4 states have internal predecessors, (3872), 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 07:41:55,459 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 968.0) internal successors, (3872), 4 states have internal predecessors, (3872), 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 07:41:55,460 INFO L175 Difference]: Start difference. First operand has 97 places, 92 transitions, 219 flow. Second operand 3 states and 1432 transitions. [2023-11-19 07:41:55,460 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 113 transitions, 413 flow [2023-11-19 07:41:55,462 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 113 transitions, 413 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:41:55,464 INFO L231 Difference]: Finished difference. Result has 98 places, 92 transitions, 229 flow [2023-11-19 07:41:55,464 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=968, PETRI_DIFFERENCE_MINUEND_FLOW=215, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=229, PETRI_PLACES=98, PETRI_TRANSITIONS=92} [2023-11-19 07:41:55,465 INFO L281 CegarLoopForPetriNet]: 120 programPoint places, -22 predicate places. [2023-11-19 07:41:55,466 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 92 transitions, 229 flow [2023-11-19 07:41:55,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 459.0) internal successors, (1377), 3 states have internal predecessors, (1377), 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 07:41:55,467 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:41:55,467 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:41:55,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:41:55,468 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-19 07:41:55,468 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:55,468 INFO L85 PathProgramCache]: Analyzing trace with hash 249487712, now seen corresponding path program 1 times [2023-11-19 07:41:55,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:55,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865511403] [2023-11-19 07:41:55,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:55,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:55,520 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 07:41:55,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:41:55,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865511403] [2023-11-19 07:41:55,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865511403] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:41:55,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:41:55,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:41:55,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471909707] [2023-11-19 07:41:55,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:41:55,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:41:55,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:41:55,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:41:55,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:41:55,536 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 456 out of 968 [2023-11-19 07:41:55,539 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 92 transitions, 229 flow. Second operand has 3 states, 3 states have (on average 458.6666666666667) internal successors, (1376), 3 states have internal predecessors, (1376), 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 07:41:55,539 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:41:55,540 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 456 of 968 [2023-11-19 07:41:55,540 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:41:56,967 INFO L124 PetriNetUnfolderBase]: 6352/13109 cut-off events. [2023-11-19 07:41:56,968 INFO L125 PetriNetUnfolderBase]: For 1038/1038 co-relation queries the response was YES. [2023-11-19 07:41:56,996 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23597 conditions, 13109 events. 6352/13109 cut-off events. For 1038/1038 co-relation queries the response was YES. Maximal size of possible extension queue 503. Compared 115784 event pairs, 1486 based on Foata normal form. 0/11174 useless extension candidates. Maximal degree in co-relation 23590. Up to 8332 conditions per place. [2023-11-19 07:41:57,052 INFO L140 encePairwiseOnDemand]: 964/968 looper letters, 67 selfloop transitions, 2 changer transitions 0/114 dead transitions. [2023-11-19 07:41:57,052 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 114 transitions, 433 flow [2023-11-19 07:41:57,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:41:57,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:41:57,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1431 transitions. [2023-11-19 07:41:57,059 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4927685950413223 [2023-11-19 07:41:57,059 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1431 transitions. [2023-11-19 07:41:57,060 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1431 transitions. [2023-11-19 07:41:57,061 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:41:57,061 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1431 transitions. [2023-11-19 07:41:57,066 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 477.0) internal successors, (1431), 3 states have internal predecessors, (1431), 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 07:41:57,074 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 968.0) internal successors, (3872), 4 states have internal predecessors, (3872), 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 07:41:57,076 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 968.0) internal successors, (3872), 4 states have internal predecessors, (3872), 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 07:41:57,076 INFO L175 Difference]: Start difference. First operand has 98 places, 92 transitions, 229 flow. Second operand 3 states and 1431 transitions. [2023-11-19 07:41:57,077 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 114 transitions, 433 flow [2023-11-19 07:41:57,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 114 transitions, 433 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:41:57,080 INFO L231 Difference]: Finished difference. Result has 99 places, 92 transitions, 239 flow [2023-11-19 07:41:57,081 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=968, PETRI_DIFFERENCE_MINUEND_FLOW=225, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=239, PETRI_PLACES=99, PETRI_TRANSITIONS=92} [2023-11-19 07:41:57,082 INFO L281 CegarLoopForPetriNet]: 120 programPoint places, -21 predicate places. [2023-11-19 07:41:57,082 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 92 transitions, 239 flow [2023-11-19 07:41:57,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 458.6666666666667) internal successors, (1376), 3 states have internal predecessors, (1376), 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 07:41:57,083 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:41:57,083 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:41:57,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 07:41:57,084 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-19 07:41:57,084 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:57,084 INFO L85 PathProgramCache]: Analyzing trace with hash -760438782, now seen corresponding path program 1 times [2023-11-19 07:41:57,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:57,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597754185] [2023-11-19 07:41:57,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:57,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:57,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:57,125 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 07:41:57,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:41:57,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597754185] [2023-11-19 07:41:57,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597754185] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:41:57,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:41:57,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:41:57,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457041379] [2023-11-19 07:41:57,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:41:57,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:41:57,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:41:57,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:41:57,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:41:57,138 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 456 out of 968 [2023-11-19 07:41:57,140 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 92 transitions, 239 flow. Second operand has 3 states, 3 states have (on average 459.0) internal successors, (1377), 3 states have internal predecessors, (1377), 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 07:41:57,141 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:41:57,141 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 456 of 968 [2023-11-19 07:41:57,141 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:41:58,472 INFO L124 PetriNetUnfolderBase]: 6354/13163 cut-off events. [2023-11-19 07:41:58,472 INFO L125 PetriNetUnfolderBase]: For 1484/1484 co-relation queries the response was YES. [2023-11-19 07:41:58,513 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24320 conditions, 13163 events. 6354/13163 cut-off events. For 1484/1484 co-relation queries the response was YES. Maximal size of possible extension queue 490. Compared 115169 event pairs, 1503 based on Foata normal form. 0/11166 useless extension candidates. Maximal degree in co-relation 24312. Up to 7777 conditions per place. [2023-11-19 07:41:58,569 INFO L140 encePairwiseOnDemand]: 964/968 looper letters, 71 selfloop transitions, 2 changer transitions 0/116 dead transitions. [2023-11-19 07:41:58,569 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 116 transitions, 459 flow [2023-11-19 07:41:58,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:41:58,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:41:58,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1433 transitions. [2023-11-19 07:41:58,576 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49345730027548207 [2023-11-19 07:41:58,576 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1433 transitions. [2023-11-19 07:41:58,576 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1433 transitions. [2023-11-19 07:41:58,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:41:58,578 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1433 transitions. [2023-11-19 07:41:58,582 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 477.6666666666667) internal successors, (1433), 3 states have internal predecessors, (1433), 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 07:41:58,589 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 968.0) internal successors, (3872), 4 states have internal predecessors, (3872), 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 07:41:58,591 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 968.0) internal successors, (3872), 4 states have internal predecessors, (3872), 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 07:41:58,591 INFO L175 Difference]: Start difference. First operand has 99 places, 92 transitions, 239 flow. Second operand 3 states and 1433 transitions. [2023-11-19 07:41:58,591 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 116 transitions, 459 flow [2023-11-19 07:41:58,593 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 116 transitions, 459 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:41:58,596 INFO L231 Difference]: Finished difference. Result has 100 places, 92 transitions, 249 flow [2023-11-19 07:41:58,596 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=968, PETRI_DIFFERENCE_MINUEND_FLOW=235, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=249, PETRI_PLACES=100, PETRI_TRANSITIONS=92} [2023-11-19 07:41:58,597 INFO L281 CegarLoopForPetriNet]: 120 programPoint places, -20 predicate places. [2023-11-19 07:41:58,597 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 92 transitions, 249 flow [2023-11-19 07:41:58,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 459.0) internal successors, (1377), 3 states have internal predecessors, (1377), 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 07:41:58,598 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:41:58,598 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:41:58,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 07:41:58,599 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-19 07:41:58,599 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:58,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1634957097, now seen corresponding path program 1 times [2023-11-19 07:41:58,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:58,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497231412] [2023-11-19 07:41:58,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:58,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:58,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:58,644 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 07:41:58,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:41:58,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497231412] [2023-11-19 07:41:58,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497231412] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:41:58,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:41:58,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:41:58,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133713501] [2023-11-19 07:41:58,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:41:58,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:41:58,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:41:58,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:41:58,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:41:58,681 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 450 out of 968 [2023-11-19 07:41:58,692 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 92 transitions, 249 flow. Second operand has 3 states, 3 states have (on average 452.6666666666667) internal successors, (1358), 3 states have internal predecessors, (1358), 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 07:41:58,692 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:41:58,692 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 450 of 968 [2023-11-19 07:41:58,692 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:42:00,790 INFO L124 PetriNetUnfolderBase]: 9107/16394 cut-off events. [2023-11-19 07:42:00,790 INFO L125 PetriNetUnfolderBase]: For 1836/1836 co-relation queries the response was YES. [2023-11-19 07:42:00,833 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32251 conditions, 16394 events. 9107/16394 cut-off events. For 1836/1836 co-relation queries the response was YES. Maximal size of possible extension queue 584. Compared 131402 event pairs, 2251 based on Foata normal form. 0/15053 useless extension candidates. Maximal degree in co-relation 32242. Up to 10838 conditions per place. [2023-11-19 07:42:00,891 INFO L140 encePairwiseOnDemand]: 962/968 looper letters, 78 selfloop transitions, 2 changer transitions 0/117 dead transitions. [2023-11-19 07:42:00,892 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 117 transitions, 485 flow [2023-11-19 07:42:00,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:00,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:42:00,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1424 transitions. [2023-11-19 07:42:00,900 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4903581267217631 [2023-11-19 07:42:00,900 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1424 transitions. [2023-11-19 07:42:00,900 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1424 transitions. [2023-11-19 07:42:00,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:42:00,902 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1424 transitions. [2023-11-19 07:42:00,908 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 474.6666666666667) internal successors, (1424), 3 states have internal predecessors, (1424), 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 07:42:00,916 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 968.0) internal successors, (3872), 4 states have internal predecessors, (3872), 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 07:42:00,917 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 968.0) internal successors, (3872), 4 states have internal predecessors, (3872), 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 07:42:00,918 INFO L175 Difference]: Start difference. First operand has 100 places, 92 transitions, 249 flow. Second operand 3 states and 1424 transitions. [2023-11-19 07:42:00,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 117 transitions, 485 flow [2023-11-19 07:42:00,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 117 transitions, 485 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:42:00,923 INFO L231 Difference]: Finished difference. Result has 99 places, 90 transitions, 255 flow [2023-11-19 07:42:00,924 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=968, PETRI_DIFFERENCE_MINUEND_FLOW=241, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=255, PETRI_PLACES=99, PETRI_TRANSITIONS=90} [2023-11-19 07:42:00,925 INFO L281 CegarLoopForPetriNet]: 120 programPoint places, -21 predicate places. [2023-11-19 07:42:00,925 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 90 transitions, 255 flow [2023-11-19 07:42:00,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 452.6666666666667) internal successors, (1358), 3 states have internal predecessors, (1358), 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 07:42:00,926 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:42:00,926 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:00,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-19 07:42:00,926 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-19 07:42:00,927 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:00,927 INFO L85 PathProgramCache]: Analyzing trace with hash 764296761, now seen corresponding path program 1 times [2023-11-19 07:42:00,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:00,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192100583] [2023-11-19 07:42:00,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:00,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:00,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:00,970 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 07:42:00,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:00,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192100583] [2023-11-19 07:42:00,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192100583] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:00,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:00,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:42:00,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183658841] [2023-11-19 07:42:00,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:00,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:00,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:00,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:00,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:00,991 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 450 out of 968 [2023-11-19 07:42:00,993 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 90 transitions, 255 flow. Second operand has 3 states, 3 states have (on average 453.0) internal successors, (1359), 3 states have internal predecessors, (1359), 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 07:42:00,994 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:42:00,994 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 450 of 968 [2023-11-19 07:42:00,994 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:42:02,716 INFO L124 PetriNetUnfolderBase]: 7835/14164 cut-off events. [2023-11-19 07:42:02,716 INFO L125 PetriNetUnfolderBase]: For 2134/2134 co-relation queries the response was YES. [2023-11-19 07:42:02,755 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28886 conditions, 14164 events. 7835/14164 cut-off events. For 2134/2134 co-relation queries the response was YES. Maximal size of possible extension queue 485. Compared 110062 event pairs, 2050 based on Foata normal form. 0/12752 useless extension candidates. Maximal degree in co-relation 28876. Up to 8645 conditions per place. [2023-11-19 07:42:02,804 INFO L140 encePairwiseOnDemand]: 962/968 looper letters, 81 selfloop transitions, 2 changer transitions 0/118 dead transitions. [2023-11-19 07:42:02,804 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 118 transitions, 513 flow [2023-11-19 07:42:02,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:02,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:42:02,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1423 transitions. [2023-11-19 07:42:02,811 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4900137741046832 [2023-11-19 07:42:02,811 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1423 transitions. [2023-11-19 07:42:02,811 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1423 transitions. [2023-11-19 07:42:02,812 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:42:02,812 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1423 transitions. [2023-11-19 07:42:02,816 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 474.3333333333333) internal successors, (1423), 3 states have internal predecessors, (1423), 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 07:42:02,822 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 968.0) internal successors, (3872), 4 states have internal predecessors, (3872), 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 07:42:02,823 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 968.0) internal successors, (3872), 4 states have internal predecessors, (3872), 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 07:42:02,823 INFO L175 Difference]: Start difference. First operand has 99 places, 90 transitions, 255 flow. Second operand 3 states and 1423 transitions. [2023-11-19 07:42:02,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 118 transitions, 513 flow [2023-11-19 07:42:02,828 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 118 transitions, 513 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:42:02,830 INFO L231 Difference]: Finished difference. Result has 98 places, 88 transitions, 261 flow [2023-11-19 07:42:02,831 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=968, PETRI_DIFFERENCE_MINUEND_FLOW=247, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=261, PETRI_PLACES=98, PETRI_TRANSITIONS=88} [2023-11-19 07:42:02,831 INFO L281 CegarLoopForPetriNet]: 120 programPoint places, -22 predicate places. [2023-11-19 07:42:02,832 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 88 transitions, 261 flow [2023-11-19 07:42:02,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 453.0) internal successors, (1359), 3 states have internal predecessors, (1359), 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 07:42:02,832 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:42:02,832 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:02,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-19 07:42:02,833 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-19 07:42:02,833 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:02,833 INFO L85 PathProgramCache]: Analyzing trace with hash -2076586718, now seen corresponding path program 1 times [2023-11-19 07:42:02,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:02,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216984615] [2023-11-19 07:42:02,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:02,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:02,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:02,868 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 07:42:02,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:02,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216984615] [2023-11-19 07:42:02,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216984615] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:02,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:02,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:42:02,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127857038] [2023-11-19 07:42:02,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:02,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:02,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:02,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:02,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:02,882 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 457 out of 968 [2023-11-19 07:42:02,884 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 88 transitions, 261 flow. Second operand has 3 states, 3 states have (on average 460.0) internal successors, (1380), 3 states have internal predecessors, (1380), 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 07:42:02,884 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:42:02,884 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 457 of 968 [2023-11-19 07:42:02,884 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:42:04,145 INFO L124 PetriNetUnfolderBase]: 5613/11390 cut-off events. [2023-11-19 07:42:04,145 INFO L125 PetriNetUnfolderBase]: For 1795/1795 co-relation queries the response was YES. [2023-11-19 07:42:04,187 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22941 conditions, 11390 events. 5613/11390 cut-off events. For 1795/1795 co-relation queries the response was YES. Maximal size of possible extension queue 408. Compared 94853 event pairs, 3812 based on Foata normal form. 0/10220 useless extension candidates. Maximal degree in co-relation 22930. Up to 7062 conditions per place. [2023-11-19 07:42:04,223 INFO L140 encePairwiseOnDemand]: 964/968 looper letters, 71 selfloop transitions, 3 changer transitions 0/113 dead transitions. [2023-11-19 07:42:04,224 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 113 transitions, 479 flow [2023-11-19 07:42:04,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:04,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:42:04,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1435 transitions. [2023-11-19 07:42:04,230 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4941460055096419 [2023-11-19 07:42:04,230 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1435 transitions. [2023-11-19 07:42:04,230 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1435 transitions. [2023-11-19 07:42:04,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:42:04,232 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1435 transitions. [2023-11-19 07:42:04,236 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 478.3333333333333) internal successors, (1435), 3 states have internal predecessors, (1435), 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 07:42:04,242 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 968.0) internal successors, (3872), 4 states have internal predecessors, (3872), 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 07:42:04,243 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 968.0) internal successors, (3872), 4 states have internal predecessors, (3872), 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 07:42:04,244 INFO L175 Difference]: Start difference. First operand has 98 places, 88 transitions, 261 flow. Second operand 3 states and 1435 transitions. [2023-11-19 07:42:04,244 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 113 transitions, 479 flow [2023-11-19 07:42:04,250 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 113 transitions, 479 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:42:04,253 INFO L231 Difference]: Finished difference. Result has 99 places, 87 transitions, 265 flow [2023-11-19 07:42:04,253 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=968, PETRI_DIFFERENCE_MINUEND_FLOW=259, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=265, PETRI_PLACES=99, PETRI_TRANSITIONS=87} [2023-11-19 07:42:04,254 INFO L281 CegarLoopForPetriNet]: 120 programPoint places, -21 predicate places. [2023-11-19 07:42:04,254 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 87 transitions, 265 flow [2023-11-19 07:42:04,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 460.0) internal successors, (1380), 3 states have internal predecessors, (1380), 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 07:42:04,255 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:42:04,255 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:04,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-19 07:42:04,256 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-19 07:42:04,256 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:04,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1869128869, now seen corresponding path program 1 times [2023-11-19 07:42:04,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:04,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530601893] [2023-11-19 07:42:04,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:04,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:04,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:04,293 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 07:42:04,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:04,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530601893] [2023-11-19 07:42:04,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530601893] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:04,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:04,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:42:04,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209504843] [2023-11-19 07:42:04,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:04,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:04,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:04,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:04,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:04,311 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 450 out of 968 [2023-11-19 07:42:04,312 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 87 transitions, 265 flow. Second operand has 3 states, 3 states have (on average 453.6666666666667) internal successors, (1361), 3 states have internal predecessors, (1361), 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 07:42:04,313 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:42:04,313 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 450 of 968 [2023-11-19 07:42:04,313 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:42:06,106 INFO L124 PetriNetUnfolderBase]: 8760/14599 cut-off events. [2023-11-19 07:42:06,106 INFO L125 PetriNetUnfolderBase]: For 3564/3564 co-relation queries the response was YES. [2023-11-19 07:42:06,173 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32618 conditions, 14599 events. 8760/14599 cut-off events. For 3564/3564 co-relation queries the response was YES. Maximal size of possible extension queue 439. Compared 101176 event pairs, 2542 based on Foata normal form. 0/13471 useless extension candidates. Maximal degree in co-relation 32606. Up to 9074 conditions per place. [2023-11-19 07:42:06,240 INFO L140 encePairwiseOnDemand]: 962/968 looper letters, 85 selfloop transitions, 2 changer transitions 0/117 dead transitions. [2023-11-19 07:42:06,240 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 117 transitions, 546 flow [2023-11-19 07:42:06,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:06,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:42:06,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1425 transitions. [2023-11-19 07:42:06,248 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.490702479338843 [2023-11-19 07:42:06,248 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1425 transitions. [2023-11-19 07:42:06,248 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1425 transitions. [2023-11-19 07:42:06,250 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:42:06,250 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1425 transitions. [2023-11-19 07:42:06,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 475.0) internal successors, (1425), 3 states have internal predecessors, (1425), 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 07:42:06,262 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 968.0) internal successors, (3872), 4 states have internal predecessors, (3872), 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 07:42:06,263 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 968.0) internal successors, (3872), 4 states have internal predecessors, (3872), 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 07:42:06,264 INFO L175 Difference]: Start difference. First operand has 99 places, 87 transitions, 265 flow. Second operand 3 states and 1425 transitions. [2023-11-19 07:42:06,264 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 117 transitions, 546 flow [2023-11-19 07:42:06,322 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 117 transitions, 534 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-19 07:42:06,325 INFO L231 Difference]: Finished difference. Result has 96 places, 85 transitions, 265 flow [2023-11-19 07:42:06,325 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=968, PETRI_DIFFERENCE_MINUEND_FLOW=251, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=265, PETRI_PLACES=96, PETRI_TRANSITIONS=85} [2023-11-19 07:42:06,326 INFO L281 CegarLoopForPetriNet]: 120 programPoint places, -24 predicate places. [2023-11-19 07:42:06,326 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 85 transitions, 265 flow [2023-11-19 07:42:06,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 453.6666666666667) internal successors, (1361), 3 states have internal predecessors, (1361), 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 07:42:06,327 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:42:06,327 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:06,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-19 07:42:06,328 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-19 07:42:06,328 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:06,328 INFO L85 PathProgramCache]: Analyzing trace with hash -2108403646, now seen corresponding path program 1 times [2023-11-19 07:42:06,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:06,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381584096] [2023-11-19 07:42:06,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:06,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:06,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:06,371 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 07:42:06,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:06,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381584096] [2023-11-19 07:42:06,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381584096] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:06,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:06,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:42:06,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250660338] [2023-11-19 07:42:06,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:06,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:06,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:06,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:06,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:06,390 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 456 out of 968 [2023-11-19 07:42:06,392 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 85 transitions, 265 flow. Second operand has 3 states, 3 states have (on average 459.6666666666667) internal successors, (1379), 3 states have internal predecessors, (1379), 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 07:42:06,392 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:42:06,393 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 456 of 968 [2023-11-19 07:42:06,393 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:42:07,849 INFO L124 PetriNetUnfolderBase]: 5762/11067 cut-off events. [2023-11-19 07:42:07,849 INFO L125 PetriNetUnfolderBase]: For 1808/1808 co-relation queries the response was YES. [2023-11-19 07:42:07,905 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23548 conditions, 11067 events. 5762/11067 cut-off events. For 1808/1808 co-relation queries the response was YES. Maximal size of possible extension queue 373. Compared 86132 event pairs, 3913 based on Foata normal form. 0/10139 useless extension candidates. Maximal degree in co-relation 23536. Up to 7239 conditions per place. [2023-11-19 07:42:07,915 INFO L140 encePairwiseOnDemand]: 964/968 looper letters, 0 selfloop transitions, 0 changer transitions 110/110 dead transitions. [2023-11-19 07:42:07,915 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 110 transitions, 486 flow [2023-11-19 07:42:07,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:07,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:42:07,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1431 transitions. [2023-11-19 07:42:07,923 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4927685950413223 [2023-11-19 07:42:07,923 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1431 transitions. [2023-11-19 07:42:07,923 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1431 transitions. [2023-11-19 07:42:07,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:42:07,925 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1431 transitions. [2023-11-19 07:42:07,930 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 477.0) internal successors, (1431), 3 states have internal predecessors, (1431), 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 07:42:07,937 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 968.0) internal successors, (3872), 4 states have internal predecessors, (3872), 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 07:42:07,939 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 968.0) internal successors, (3872), 4 states have internal predecessors, (3872), 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 07:42:07,939 INFO L175 Difference]: Start difference. First operand has 96 places, 85 transitions, 265 flow. Second operand 3 states and 1431 transitions. [2023-11-19 07:42:07,939 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 110 transitions, 486 flow [2023-11-19 07:42:07,947 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 110 transitions, 486 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:42:07,949 INFO L231 Difference]: Finished difference. Result has 97 places, 0 transitions, 0 flow [2023-11-19 07:42:07,949 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=968, PETRI_DIFFERENCE_MINUEND_FLOW=263, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=97, PETRI_TRANSITIONS=0} [2023-11-19 07:42:07,950 INFO L281 CegarLoopForPetriNet]: 120 programPoint places, -23 predicate places. [2023-11-19 07:42:07,951 INFO L495 AbstractCegarLoop]: Abstraction has has 97 places, 0 transitions, 0 flow [2023-11-19 07:42:07,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 459.6666666666667) internal successors, (1379), 3 states have internal predecessors, (1379), 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 07:42:07,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (73 of 74 remaining) [2023-11-19 07:42:07,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (72 of 74 remaining) [2023-11-19 07:42:07,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (71 of 74 remaining) [2023-11-19 07:42:07,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (70 of 74 remaining) [2023-11-19 07:42:07,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (69 of 74 remaining) [2023-11-19 07:42:07,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (68 of 74 remaining) [2023-11-19 07:42:07,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (67 of 74 remaining) [2023-11-19 07:42:07,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (66 of 74 remaining) [2023-11-19 07:42:07,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (65 of 74 remaining) [2023-11-19 07:42:07,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (64 of 74 remaining) [2023-11-19 07:42:07,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (63 of 74 remaining) [2023-11-19 07:42:07,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (62 of 74 remaining) [2023-11-19 07:42:07,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (61 of 74 remaining) [2023-11-19 07:42:07,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (60 of 74 remaining) [2023-11-19 07:42:07,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (59 of 74 remaining) [2023-11-19 07:42:07,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (58 of 74 remaining) [2023-11-19 07:42:07,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (57 of 74 remaining) [2023-11-19 07:42:07,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (56 of 74 remaining) [2023-11-19 07:42:07,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (55 of 74 remaining) [2023-11-19 07:42:07,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (54 of 74 remaining) [2023-11-19 07:42:07,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (53 of 74 remaining) [2023-11-19 07:42:07,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (52 of 74 remaining) [2023-11-19 07:42:07,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (51 of 74 remaining) [2023-11-19 07:42:07,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (50 of 74 remaining) [2023-11-19 07:42:07,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (49 of 74 remaining) [2023-11-19 07:42:07,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (48 of 74 remaining) [2023-11-19 07:42:07,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (47 of 74 remaining) [2023-11-19 07:42:07,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (46 of 74 remaining) [2023-11-19 07:42:07,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (45 of 74 remaining) [2023-11-19 07:42:07,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (44 of 74 remaining) [2023-11-19 07:42:07,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (43 of 74 remaining) [2023-11-19 07:42:07,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (42 of 74 remaining) [2023-11-19 07:42:07,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (41 of 74 remaining) [2023-11-19 07:42:07,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (40 of 74 remaining) [2023-11-19 07:42:07,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (39 of 74 remaining) [2023-11-19 07:42:07,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (38 of 74 remaining) [2023-11-19 07:42:07,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (37 of 74 remaining) [2023-11-19 07:42:07,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (36 of 74 remaining) [2023-11-19 07:42:07,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (35 of 74 remaining) [2023-11-19 07:42:07,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (34 of 74 remaining) [2023-11-19 07:42:07,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (33 of 74 remaining) [2023-11-19 07:42:07,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (32 of 74 remaining) [2023-11-19 07:42:07,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (31 of 74 remaining) [2023-11-19 07:42:07,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (30 of 74 remaining) [2023-11-19 07:42:07,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 74 remaining) [2023-11-19 07:42:07,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 74 remaining) [2023-11-19 07:42:07,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 74 remaining) [2023-11-19 07:42:07,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (26 of 74 remaining) [2023-11-19 07:42:07,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (25 of 74 remaining) [2023-11-19 07:42:07,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (24 of 74 remaining) [2023-11-19 07:42:07,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (23 of 74 remaining) [2023-11-19 07:42:07,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (22 of 74 remaining) [2023-11-19 07:42:07,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (21 of 74 remaining) [2023-11-19 07:42:07,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (20 of 74 remaining) [2023-11-19 07:42:07,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (19 of 74 remaining) [2023-11-19 07:42:07,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (18 of 74 remaining) [2023-11-19 07:42:07,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (17 of 74 remaining) [2023-11-19 07:42:07,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (16 of 74 remaining) [2023-11-19 07:42:07,969 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (15 of 74 remaining) [2023-11-19 07:42:07,969 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (14 of 74 remaining) [2023-11-19 07:42:07,969 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (13 of 74 remaining) [2023-11-19 07:42:07,969 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (12 of 74 remaining) [2023-11-19 07:42:07,970 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (11 of 74 remaining) [2023-11-19 07:42:07,970 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (10 of 74 remaining) [2023-11-19 07:42:07,970 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (9 of 74 remaining) [2023-11-19 07:42:07,970 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (8 of 74 remaining) [2023-11-19 07:42:07,970 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (7 of 74 remaining) [2023-11-19 07:42:07,971 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (6 of 74 remaining) [2023-11-19 07:42:07,971 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (5 of 74 remaining) [2023-11-19 07:42:07,971 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (4 of 74 remaining) [2023-11-19 07:42:07,971 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (3 of 74 remaining) [2023-11-19 07:42:07,972 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (2 of 74 remaining) [2023-11-19 07:42:07,972 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (1 of 74 remaining) [2023-11-19 07:42:07,972 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (0 of 74 remaining) [2023-11-19 07:42:07,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-19 07:42:07,973 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:07,980 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 07:42:07,980 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:42:07,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:42:07 BasicIcfg [2023-11-19 07:42:07,985 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:42:07,986 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:42:07,986 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:42:07,986 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:42:07,987 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:41:32" (3/4) ... [2023-11-19 07:42:07,989 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:42:07,993 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-19 07:42:07,994 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-19 07:42:07,994 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-19 07:42:08,002 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-19 07:42:08,003 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 07:42:08,004 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 07:42:08,004 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:42:08,119 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967500eb-62c5-4e08-8403-0ed93b0f4180/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:42:08,119 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967500eb-62c5-4e08-8403-0ed93b0f4180/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:42:08,120 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:42:08,120 INFO L158 Benchmark]: Toolchain (without parser) took 36606.48ms. Allocated memory was 203.4MB in the beginning and 4.6GB in the end (delta: 4.4GB). Free memory was 172.9MB in the beginning and 2.4GB in the end (delta: -2.2GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. [2023-11-19 07:42:08,121 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 203.4MB. Free memory is still 178.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:42:08,121 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.24ms. Allocated memory is still 203.4MB. Free memory was 172.3MB in the beginning and 160.0MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:42:08,122 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.15ms. Allocated memory is still 203.4MB. Free memory was 160.0MB in the beginning and 157.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:42:08,122 INFO L158 Benchmark]: Boogie Preprocessor took 66.02ms. Allocated memory is still 203.4MB. Free memory was 156.4MB in the beginning and 154.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:42:08,123 INFO L158 Benchmark]: RCFGBuilder took 934.70ms. Allocated memory is still 203.4MB. Free memory was 154.3MB in the beginning and 123.5MB in the end (delta: 30.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-19 07:42:08,123 INFO L158 Benchmark]: TraceAbstraction took 35059.01ms. Allocated memory was 203.4MB in the beginning and 4.6GB in the end (delta: 4.4GB). Free memory was 122.8MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. [2023-11-19 07:42:08,124 INFO L158 Benchmark]: Witness Printer took 133.92ms. Allocated memory is still 4.6GB. Free memory was 2.4GB in the beginning and 2.4GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 07:42:08,126 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 203.4MB. Free memory is still 178.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 344.24ms. Allocated memory is still 203.4MB. Free memory was 172.3MB in the beginning and 160.0MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.15ms. Allocated memory is still 203.4MB. Free memory was 160.0MB in the beginning and 157.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.02ms. Allocated memory is still 203.4MB. Free memory was 156.4MB in the beginning and 154.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 934.70ms. Allocated memory is still 203.4MB. Free memory was 154.3MB in the beginning and 123.5MB in the end (delta: 30.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 35059.01ms. Allocated memory was 203.4MB in the beginning and 4.6GB in the end (delta: 4.4GB). Free memory was 122.8MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. * Witness Printer took 133.92ms. Allocated memory is still 4.6GB. Free memory was 2.4GB in the beginning and 2.4GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.4s, 449 PlacesBefore, 120 PlacesAfterwards, 455 TransitionsBefore, 117 TransitionsAfterwards, 66552 CoEnabledTransitionPairs, 10 FixpointIterations, 170 TrivialSequentialCompositions, 237 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 65 ConcurrentYvCompositions, 9 ChoiceCompositions, 484 TotalNumberOfCompositions, 186953 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 107717, independent: 106251, independent conditional: 0, independent unconditional: 106251, dependent: 1466, dependent conditional: 0, dependent unconditional: 1466, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 38564, independent: 38399, independent conditional: 0, independent unconditional: 38399, dependent: 165, dependent conditional: 0, dependent unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 107717, independent: 67852, independent conditional: 0, independent unconditional: 67852, dependent: 1301, dependent conditional: 0, dependent unconditional: 1301, unknown: 38564, unknown conditional: 0, unknown unconditional: 38564] , Statistics on independence cache: Total cache size (in pairs): 2583, Positive cache size: 2505, Positive conditional cache size: 0, Positive unconditional cache size: 2505, Negative cache size: 78, Negative conditional cache size: 0, Negative unconditional cache size: 78, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 740 locations, 74 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 34.8s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 21.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 12.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 583 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 410 mSDsluCounter, 81 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 76 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1085 IncrementalHoareTripleChecker+Invalid, 1161 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 76 mSolverCounterUnsat, 81 mSDtfsCounter, 1085 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=265occurred in iteration=10, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 125 NumberOfCodeBlocks, 125 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 113 ConstructedInterpolants, 0 QuantifiedInterpolants, 135 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 44 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-19 07:42:08,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967500eb-62c5-4e08-8403-0ed93b0f4180/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE