./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc 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_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya --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 a0270befea30c9963adb19613f3074c8c29d9100e1f0592dc0c89cf3d3dda0df --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:33:14,843 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:33:14,908 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 01:33:14,912 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:33:14,913 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:33:14,936 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:33:14,937 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:33:14,937 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:33:14,938 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 01:33:14,939 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 01:33:14,939 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:33:14,940 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:33:14,941 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:33:14,941 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:33:14,942 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 01:33:14,942 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 01:33:14,943 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 01:33:14,943 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 01:33:14,944 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:33:14,944 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 01:33:14,945 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 01:33:14,945 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 01:33:14,946 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 01:33:14,946 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 01:33:14,947 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 01:33:14,947 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 01:33:14,948 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:33:14,948 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:33:14,949 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:33:14,949 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 01:33:14,950 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:33:14,950 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:33:14,951 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 01:33:14,951 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 01:33:14,951 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 01:33:14,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 01:33:14,952 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 01:33:14,952 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 01:33:14,952 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 01:33:14,953 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 01:33:14,953 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 01:33:14,953 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_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0270befea30c9963adb19613f3074c8c29d9100e1f0592dc0c89cf3d3dda0df [2023-11-29 01:33:15,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:33:15,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:33:15,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:33:15,196 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:33:15,196 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:33:15,198 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i [2023-11-29 01:33:17,992 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:33:18,246 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:33:18,246 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i [2023-11-29 01:33:18,266 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/data/fd4d52216/a2f590050c6c41a08acf65e21bbf0af4/FLAG233659548 [2023-11-29 01:33:18,283 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/data/fd4d52216/a2f590050c6c41a08acf65e21bbf0af4 [2023-11-29 01:33:18,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:33:18,288 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:33:18,290 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:33:18,290 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:33:18,296 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:33:18,297 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:33:18" (1/1) ... [2023-11-29 01:33:18,298 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17d92a1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:33:18, skipping insertion in model container [2023-11-29 01:33:18,299 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:33:18" (1/1) ... [2023-11-29 01:33:18,363 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:33:18,914 WARN L1590 CHandler]: Possible shadowing of function new [2023-11-29 01:33:18,915 WARN L1590 CHandler]: Possible shadowing of function new [2023-11-29 01:33:18,917 WARN L1590 CHandler]: Possible shadowing of function new [2023-11-29 01:33:18,918 WARN L1590 CHandler]: Possible shadowing of function new [2023-11-29 01:33:18,944 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:33:18,963 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:33:19,005 WARN L1590 CHandler]: Possible shadowing of function new [2023-11-29 01:33:19,006 WARN L1590 CHandler]: Possible shadowing of function new [2023-11-29 01:33:19,007 WARN L1590 CHandler]: Possible shadowing of function new [2023-11-29 01:33:19,009 WARN L1590 CHandler]: Possible shadowing of function new [2023-11-29 01:33:19,023 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:33:19,090 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:33:19,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:33:19 WrapperNode [2023-11-29 01:33:19,091 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:33:19,092 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:33:19,092 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:33:19,092 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:33:19,100 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:33:19" (1/1) ... [2023-11-29 01:33:19,122 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:33:19" (1/1) ... [2023-11-29 01:33:19,163 INFO L138 Inliner]: procedures = 273, calls = 36, calls flagged for inlining = 9, calls inlined = 8, statements flattened = 223 [2023-11-29 01:33:19,164 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:33:19,165 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:33:19,165 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:33:19,165 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:33:19,175 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:33:19" (1/1) ... [2023-11-29 01:33:19,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:33:19" (1/1) ... [2023-11-29 01:33:19,181 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:33:19" (1/1) ... [2023-11-29 01:33:19,182 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:33:19" (1/1) ... [2023-11-29 01:33:19,199 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:33:19" (1/1) ... [2023-11-29 01:33:19,203 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:33:19" (1/1) ... [2023-11-29 01:33:19,206 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:33:19" (1/1) ... [2023-11-29 01:33:19,208 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:33:19" (1/1) ... [2023-11-29 01:33:19,213 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:33:19,214 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:33:19,214 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:33:19,214 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:33:19,215 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:33:19" (1/1) ... [2023-11-29 01:33:19,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:33:19,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:19,249 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 01:33:19,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 01:33:19,297 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-11-29 01:33:19,297 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-11-29 01:33:19,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 01:33:19,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-29 01:33:19,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 01:33:19,298 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-29 01:33:19,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 01:33:19,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 01:33:19,298 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-29 01:33:19,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 01:33:19,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 01:33:19,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-29 01:33:19,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:33:19,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:33:19,300 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 01:33:19,464 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:33:19,466 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:33:19,894 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:33:19,917 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:33:19,917 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-29 01:33:19,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:33:19 BoogieIcfgContainer [2023-11-29 01:33:19,919 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:33:19,922 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 01:33:19,922 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 01:33:19,925 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 01:33:19,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 01:33:18" (1/3) ... [2023-11-29 01:33:19,926 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@269bee5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:33:19, skipping insertion in model container [2023-11-29 01:33:19,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:33:19" (2/3) ... [2023-11-29 01:33:19,926 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@269bee5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:33:19, skipping insertion in model container [2023-11-29 01:33:19,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:33:19" (3/3) ... [2023-11-29 01:33:19,928 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_22-nocollapse.i [2023-11-29 01:33:19,935 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 01:33:19,943 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 01:33:19,943 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2023-11-29 01:33:19,943 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 01:33:20,046 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-29 01:33:20,085 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 314 places, 322 transitions, 652 flow [2023-11-29 01:33:20,196 INFO L124 PetriNetUnfolderBase]: 15/320 cut-off events. [2023-11-29 01:33:20,197 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 01:33:20,205 INFO L83 FinitePrefix]: Finished finitePrefix Result has 327 conditions, 320 events. 15/320 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 622 event pairs, 0 based on Foata normal form. 0/287 useless extension candidates. Maximal degree in co-relation 241. Up to 2 conditions per place. [2023-11-29 01:33:20,206 INFO L82 GeneralOperation]: Start removeDead. Operand has 314 places, 322 transitions, 652 flow [2023-11-29 01:33:20,213 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 312 places, 320 transitions, 646 flow [2023-11-29 01:33:20,222 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 01:33:20,228 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;@459e7b04, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 01:33:20,229 INFO L358 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2023-11-29 01:33:20,238 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 01:33:20,238 INFO L124 PetriNetUnfolderBase]: 2/47 cut-off events. [2023-11-29 01:33:20,238 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 01:33:20,239 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:33:20,239 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:33:20,240 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2023-11-29 01:33:20,245 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:33:20,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1339324047, now seen corresponding path program 1 times [2023-11-29 01:33:20,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:33:20,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79908017] [2023-11-29 01:33:20,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:33:20,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:33:20,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:33:20,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:33:20,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:33:20,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79908017] [2023-11-29 01:33:20,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79908017] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:33:20,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:33:20,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:33:20,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165465495] [2023-11-29 01:33:20,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:33:20,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:33:20,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:33:20,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:33:20,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:33:21,654 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 322 [2023-11-29 01:33:21,660 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 320 transitions, 646 flow. Second operand has 6 states, 6 states have (on average 230.33333333333334) internal successors, (1382), 6 states have internal predecessors, (1382), 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) [2023-11-29 01:33:21,661 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:33:21,661 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 322 [2023-11-29 01:33:21,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:33:22,183 INFO L124 PetriNetUnfolderBase]: 449/1800 cut-off events. [2023-11-29 01:33:22,184 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2023-11-29 01:33:22,192 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2699 conditions, 1800 events. 449/1800 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 11689 event pairs, 342 based on Foata normal form. 153/1745 useless extension candidates. Maximal degree in co-relation 2489. Up to 846 conditions per place. [2023-11-29 01:33:22,205 INFO L140 encePairwiseOnDemand]: 301/322 looper letters, 72 selfloop transitions, 10 changer transitions 1/309 dead transitions. [2023-11-29 01:33:22,205 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 309 transitions, 788 flow [2023-11-29 01:33:22,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:33:22,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 01:33:22,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1467 transitions. [2023-11-29 01:33:22,224 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7593167701863354 [2023-11-29 01:33:22,225 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1467 transitions. [2023-11-29 01:33:22,226 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1467 transitions. [2023-11-29 01:33:22,229 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:33:22,231 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1467 transitions. [2023-11-29 01:33:22,240 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 244.5) internal successors, (1467), 6 states have internal predecessors, (1467), 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) [2023-11-29 01:33:22,249 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 322.0) internal successors, (2254), 7 states have internal predecessors, (2254), 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) [2023-11-29 01:33:22,251 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 322.0) internal successors, (2254), 7 states have internal predecessors, (2254), 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) [2023-11-29 01:33:22,253 INFO L175 Difference]: Start difference. First operand has 312 places, 320 transitions, 646 flow. Second operand 6 states and 1467 transitions. [2023-11-29 01:33:22,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 309 transitions, 788 flow [2023-11-29 01:33:22,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 309 transitions, 786 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:33:22,268 INFO L231 Difference]: Finished difference. Result has 313 places, 308 transitions, 640 flow [2023-11-29 01:33:22,270 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=622, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=309, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=299, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=640, PETRI_PLACES=313, PETRI_TRANSITIONS=308} [2023-11-29 01:33:22,274 INFO L281 CegarLoopForPetriNet]: 312 programPoint places, 1 predicate places. [2023-11-29 01:33:22,274 INFO L495 AbstractCegarLoop]: Abstraction has has 313 places, 308 transitions, 640 flow [2023-11-29 01:33:22,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 230.33333333333334) internal successors, (1382), 6 states have internal predecessors, (1382), 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) [2023-11-29 01:33:22,275 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:33:22,276 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:33:22,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 01:33:22,276 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2023-11-29 01:33:22,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:33:22,277 INFO L85 PathProgramCache]: Analyzing trace with hash 166405905, now seen corresponding path program 1 times [2023-11-29 01:33:22,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:33:22,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201976861] [2023-11-29 01:33:22,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:33:22,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:33:22,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:33:22,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:33:22,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:33:22,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201976861] [2023-11-29 01:33:22,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201976861] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:33:22,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:33:22,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:33:22,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105955986] [2023-11-29 01:33:22,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:33:22,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:33:22,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:33:22,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:33:22,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:33:23,180 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 322 [2023-11-29 01:33:23,183 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 308 transitions, 640 flow. Second operand has 6 states, 6 states have (on average 230.33333333333334) internal successors, (1382), 6 states have internal predecessors, (1382), 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) [2023-11-29 01:33:23,183 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:33:23,183 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 322 [2023-11-29 01:33:23,183 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:33:23,539 INFO L124 PetriNetUnfolderBase]: 449/1797 cut-off events. [2023-11-29 01:33:23,540 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 01:33:23,546 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2705 conditions, 1797 events. 449/1797 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 11693 event pairs, 342 based on Foata normal form. 0/1592 useless extension candidates. Maximal degree in co-relation 2530. Up to 846 conditions per place. [2023-11-29 01:33:23,557 INFO L140 encePairwiseOnDemand]: 310/322 looper letters, 72 selfloop transitions, 10 changer transitions 0/306 dead transitions. [2023-11-29 01:33:23,558 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 306 transitions, 800 flow [2023-11-29 01:33:23,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:33:23,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 01:33:23,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1458 transitions. [2023-11-29 01:33:23,563 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7546583850931677 [2023-11-29 01:33:23,563 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1458 transitions. [2023-11-29 01:33:23,563 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1458 transitions. [2023-11-29 01:33:23,564 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:33:23,564 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1458 transitions. [2023-11-29 01:33:23,569 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 243.0) internal successors, (1458), 6 states have internal predecessors, (1458), 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) [2023-11-29 01:33:23,575 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 322.0) internal successors, (2254), 7 states have internal predecessors, (2254), 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) [2023-11-29 01:33:23,577 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 322.0) internal successors, (2254), 7 states have internal predecessors, (2254), 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) [2023-11-29 01:33:23,577 INFO L175 Difference]: Start difference. First operand has 313 places, 308 transitions, 640 flow. Second operand 6 states and 1458 transitions. [2023-11-29 01:33:23,577 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 306 transitions, 800 flow [2023-11-29 01:33:23,580 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 306 transitions, 780 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 01:33:23,586 INFO L231 Difference]: Finished difference. Result has 310 places, 306 transitions, 636 flow [2023-11-29 01:33:23,586 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=616, PETRI_DIFFERENCE_MINUEND_PLACES=305, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=636, PETRI_PLACES=310, PETRI_TRANSITIONS=306} [2023-11-29 01:33:23,587 INFO L281 CegarLoopForPetriNet]: 312 programPoint places, -2 predicate places. [2023-11-29 01:33:23,588 INFO L495 AbstractCegarLoop]: Abstraction has has 310 places, 306 transitions, 636 flow [2023-11-29 01:33:23,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 230.33333333333334) internal successors, (1382), 6 states have internal predecessors, (1382), 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) [2023-11-29 01:33:23,589 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:33:23,589 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:33:23,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 01:33:23,590 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2023-11-29 01:33:23,590 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:33:23,590 INFO L85 PathProgramCache]: Analyzing trace with hash 427907071, now seen corresponding path program 1 times [2023-11-29 01:33:23,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:33:23,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616794795] [2023-11-29 01:33:23,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:33:23,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:33:23,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:33:23,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:33:23,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:33:23,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616794795] [2023-11-29 01:33:23,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616794795] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:33:23,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:33:23,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:33:23,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751745284] [2023-11-29 01:33:23,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:33:23,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:33:23,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:33:23,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:33:23,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:33:23,671 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 301 out of 322 [2023-11-29 01:33:23,673 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 306 transitions, 636 flow. Second operand has 3 states, 3 states have (on average 303.0) internal successors, (909), 3 states have internal predecessors, (909), 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) [2023-11-29 01:33:23,673 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:33:23,673 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 322 [2023-11-29 01:33:23,673 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:33:23,755 INFO L124 PetriNetUnfolderBase]: 29/617 cut-off events. [2023-11-29 01:33:23,755 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 01:33:23,757 INFO L83 FinitePrefix]: Finished finitePrefix Result has 693 conditions, 617 events. 29/617 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2529 event pairs, 18 based on Foata normal form. 1/568 useless extension candidates. Maximal degree in co-relation 447. Up to 45 conditions per place. [2023-11-29 01:33:23,759 INFO L140 encePairwiseOnDemand]: 319/322 looper letters, 11 selfloop transitions, 2 changer transitions 0/307 dead transitions. [2023-11-29 01:33:23,759 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 307 transitions, 664 flow [2023-11-29 01:33:23,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:33:23,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:33:23,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 917 transitions. [2023-11-29 01:33:23,762 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9492753623188406 [2023-11-29 01:33:23,762 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 917 transitions. [2023-11-29 01:33:23,762 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 917 transitions. [2023-11-29 01:33:23,762 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:33:23,762 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 917 transitions. [2023-11-29 01:33:23,764 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 305.6666666666667) internal successors, (917), 3 states have internal predecessors, (917), 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) [2023-11-29 01:33:23,766 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 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) [2023-11-29 01:33:23,767 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 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) [2023-11-29 01:33:23,767 INFO L175 Difference]: Start difference. First operand has 310 places, 306 transitions, 636 flow. Second operand 3 states and 917 transitions. [2023-11-29 01:33:23,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 307 transitions, 664 flow [2023-11-29 01:33:23,769 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 307 transitions, 644 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 01:33:23,773 INFO L231 Difference]: Finished difference. Result has 308 places, 307 transitions, 628 flow [2023-11-29 01:33:23,773 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=616, PETRI_DIFFERENCE_MINUEND_PLACES=305, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=628, PETRI_PLACES=308, PETRI_TRANSITIONS=307} [2023-11-29 01:33:23,774 INFO L281 CegarLoopForPetriNet]: 312 programPoint places, -4 predicate places. [2023-11-29 01:33:23,774 INFO L495 AbstractCegarLoop]: Abstraction has has 308 places, 307 transitions, 628 flow [2023-11-29 01:33:23,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 303.0) internal successors, (909), 3 states have internal predecessors, (909), 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) [2023-11-29 01:33:23,775 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:33:23,775 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:33:23,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 01:33:23,775 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2023-11-29 01:33:23,776 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:33:23,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1503294088, now seen corresponding path program 1 times [2023-11-29 01:33:23,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:33:23,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979735095] [2023-11-29 01:33:23,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:33:23,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:33:23,799 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:33:23,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1832919011] [2023-11-29 01:33:23,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:33:23,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:33:23,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:23,820 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:33:23,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 01:33:23,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:33:23,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-29 01:33:23,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:33:24,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 01:33:24,060 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-11-29 01:33:24,095 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:33:24,095 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2023-11-29 01:33:24,134 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:33:24,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2023-11-29 01:33:24,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:33:24,165 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:33:24,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:33:24,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979735095] [2023-11-29 01:33:24,166 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:33:24,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1832919011] [2023-11-29 01:33:24,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1832919011] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:33:24,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:33:24,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:33:24,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060882634] [2023-11-29 01:33:24,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:33:24,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:33:24,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:33:24,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:33:24,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:33:24,683 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 322 [2023-11-29 01:33:24,686 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 307 transitions, 628 flow. Second operand has 8 states, 8 states have (on average 228.25) internal successors, (1826), 8 states have internal predecessors, (1826), 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) [2023-11-29 01:33:24,687 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:33:24,687 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 322 [2023-11-29 01:33:24,687 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:33:25,200 INFO L124 PetriNetUnfolderBase]: 450/1920 cut-off events. [2023-11-29 01:33:25,201 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-29 01:33:25,206 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2876 conditions, 1920 events. 450/1920 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 12482 event pairs, 342 based on Foata normal form. 0/1711 useless extension candidates. Maximal degree in co-relation 2675. Up to 872 conditions per place. [2023-11-29 01:33:25,218 INFO L140 encePairwiseOnDemand]: 312/322 looper letters, 77 selfloop transitions, 9 changer transitions 0/306 dead transitions. [2023-11-29 01:33:25,219 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 306 transitions, 798 flow [2023-11-29 01:33:25,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 01:33:25,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-29 01:33:25,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2121 transitions. [2023-11-29 01:33:25,226 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7318840579710145 [2023-11-29 01:33:25,226 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2121 transitions. [2023-11-29 01:33:25,226 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2121 transitions. [2023-11-29 01:33:25,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:33:25,228 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2121 transitions. [2023-11-29 01:33:25,234 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 235.66666666666666) internal successors, (2121), 9 states have internal predecessors, (2121), 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) [2023-11-29 01:33:25,242 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 322.0) internal successors, (3220), 10 states have internal predecessors, (3220), 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) [2023-11-29 01:33:25,244 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 322.0) internal successors, (3220), 10 states have internal predecessors, (3220), 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) [2023-11-29 01:33:25,244 INFO L175 Difference]: Start difference. First operand has 308 places, 307 transitions, 628 flow. Second operand 9 states and 2121 transitions. [2023-11-29 01:33:25,244 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 306 transitions, 798 flow [2023-11-29 01:33:25,247 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 306 transitions, 796 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 01:33:25,253 INFO L231 Difference]: Finished difference. Result has 314 places, 306 transitions, 642 flow [2023-11-29 01:33:25,253 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=624, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=642, PETRI_PLACES=314, PETRI_TRANSITIONS=306} [2023-11-29 01:33:25,254 INFO L281 CegarLoopForPetriNet]: 312 programPoint places, 2 predicate places. [2023-11-29 01:33:25,255 INFO L495 AbstractCegarLoop]: Abstraction has has 314 places, 306 transitions, 642 flow [2023-11-29 01:33:25,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 228.25) internal successors, (1826), 8 states have internal predecessors, (1826), 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) [2023-11-29 01:33:25,256 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:33:25,256 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:33:25,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 01:33:25,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:33:25,460 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2023-11-29 01:33:25,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:33:25,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1701140278, now seen corresponding path program 1 times [2023-11-29 01:33:25,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:33:25,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763739418] [2023-11-29 01:33:25,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:33:25,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:33:25,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:33:25,547 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:33:25,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:33:25,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763739418] [2023-11-29 01:33:25,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763739418] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:33:25,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:33:25,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:33:25,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932046123] [2023-11-29 01:33:25,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:33:25,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:33:25,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:33:25,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:33:25,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:33:25,560 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 301 out of 322 [2023-11-29 01:33:25,562 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 306 transitions, 642 flow. Second operand has 3 states, 3 states have (on average 303.0) internal successors, (909), 3 states have internal predecessors, (909), 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) [2023-11-29 01:33:25,562 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:33:25,562 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 322 [2023-11-29 01:33:25,562 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:33:25,711 INFO L124 PetriNetUnfolderBase]: 29/805 cut-off events. [2023-11-29 01:33:25,711 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 01:33:25,713 INFO L83 FinitePrefix]: Finished finitePrefix Result has 907 conditions, 805 events. 29/805 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2497 event pairs, 18 based on Foata normal form. 2/751 useless extension candidates. Maximal degree in co-relation 492. Up to 49 conditions per place. [2023-11-29 01:33:25,717 INFO L140 encePairwiseOnDemand]: 319/322 looper letters, 11 selfloop transitions, 2 changer transitions 0/307 dead transitions. [2023-11-29 01:33:25,717 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 307 transitions, 670 flow [2023-11-29 01:33:25,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:33:25,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:33:25,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 917 transitions. [2023-11-29 01:33:25,721 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9492753623188406 [2023-11-29 01:33:25,721 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 917 transitions. [2023-11-29 01:33:25,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 917 transitions. [2023-11-29 01:33:25,722 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:33:25,722 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 917 transitions. [2023-11-29 01:33:25,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 305.6666666666667) internal successors, (917), 3 states have internal predecessors, (917), 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) [2023-11-29 01:33:25,727 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 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) [2023-11-29 01:33:25,728 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 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) [2023-11-29 01:33:25,728 INFO L175 Difference]: Start difference. First operand has 314 places, 306 transitions, 642 flow. Second operand 3 states and 917 transitions. [2023-11-29 01:33:25,728 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 307 transitions, 670 flow [2023-11-29 01:33:25,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 307 transitions, 652 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-11-29 01:33:25,766 INFO L231 Difference]: Finished difference. Result has 309 places, 307 transitions, 636 flow [2023-11-29 01:33:25,767 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=624, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=636, PETRI_PLACES=309, PETRI_TRANSITIONS=307} [2023-11-29 01:33:25,768 INFO L281 CegarLoopForPetriNet]: 312 programPoint places, -3 predicate places. [2023-11-29 01:33:25,768 INFO L495 AbstractCegarLoop]: Abstraction has has 309 places, 307 transitions, 636 flow [2023-11-29 01:33:25,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 303.0) internal successors, (909), 3 states have internal predecessors, (909), 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) [2023-11-29 01:33:25,769 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:33:25,769 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:33:25,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 01:33:25,769 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2023-11-29 01:33:25,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:33:25,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1068809932, now seen corresponding path program 1 times [2023-11-29 01:33:25,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:33:25,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744287685] [2023-11-29 01:33:25,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:33:25,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:33:25,807 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:33:25,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2083947986] [2023-11-29 01:33:25,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:33:25,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:33:25,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:25,811 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:33:25,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 01:33:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:33:25,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 01:33:25,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:33:26,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 01:33:26,012 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-11-29 01:33:26,035 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:33:26,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2023-11-29 01:33:26,065 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:33:26,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2023-11-29 01:33:26,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:33:26,090 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:33:26,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:33:26,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744287685] [2023-11-29 01:33:26,090 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:33:26,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2083947986] [2023-11-29 01:33:26,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2083947986] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:33:26,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:33:26,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:33:26,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939413922] [2023-11-29 01:33:26,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:33:26,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:33:26,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:33:26,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:33:26,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:33:26,619 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 322 [2023-11-29 01:33:26,621 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 307 transitions, 636 flow. Second operand has 6 states, 6 states have (on average 257.5) internal successors, (1545), 6 states have internal predecessors, (1545), 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) [2023-11-29 01:33:26,621 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:33:26,621 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 322 [2023-11-29 01:33:26,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:33:26,899 INFO L124 PetriNetUnfolderBase]: 75/1121 cut-off events. [2023-11-29 01:33:26,900 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-29 01:33:26,902 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1438 conditions, 1121 events. 75/1121 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4744 event pairs, 42 based on Foata normal form. 0/1028 useless extension candidates. Maximal degree in co-relation 970. Up to 263 conditions per place. [2023-11-29 01:33:26,907 INFO L140 encePairwiseOnDemand]: 316/322 looper letters, 54 selfloop transitions, 5 changer transitions 0/306 dead transitions. [2023-11-29 01:33:26,908 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 306 transitions, 752 flow [2023-11-29 01:33:26,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:33:26,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 01:33:26,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1578 transitions. [2023-11-29 01:33:26,914 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8167701863354038 [2023-11-29 01:33:26,915 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1578 transitions. [2023-11-29 01:33:26,915 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1578 transitions. [2023-11-29 01:33:26,916 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:33:26,917 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1578 transitions. [2023-11-29 01:33:26,922 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 263.0) internal successors, (1578), 6 states have internal predecessors, (1578), 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) [2023-11-29 01:33:26,928 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 322.0) internal successors, (2254), 7 states have internal predecessors, (2254), 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) [2023-11-29 01:33:26,929 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 322.0) internal successors, (2254), 7 states have internal predecessors, (2254), 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) [2023-11-29 01:33:26,929 INFO L175 Difference]: Start difference. First operand has 309 places, 307 transitions, 636 flow. Second operand 6 states and 1578 transitions. [2023-11-29 01:33:26,930 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 306 transitions, 752 flow [2023-11-29 01:33:26,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 306 transitions, 750 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 01:33:26,939 INFO L231 Difference]: Finished difference. Result has 312 places, 306 transitions, 642 flow [2023-11-29 01:33:26,940 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=632, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=642, PETRI_PLACES=312, PETRI_TRANSITIONS=306} [2023-11-29 01:33:26,941 INFO L281 CegarLoopForPetriNet]: 312 programPoint places, 0 predicate places. [2023-11-29 01:33:26,941 INFO L495 AbstractCegarLoop]: Abstraction has has 312 places, 306 transitions, 642 flow [2023-11-29 01:33:26,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 257.5) internal successors, (1545), 6 states have internal predecessors, (1545), 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) [2023-11-29 01:33:26,942 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:33:26,942 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:33:26,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-29 01:33:27,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-29 01:33:27,145 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2023-11-29 01:33:27,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:33:27,145 INFO L85 PathProgramCache]: Analyzing trace with hash 22983295, now seen corresponding path program 1 times [2023-11-29 01:33:27,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:33:27,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952757113] [2023-11-29 01:33:27,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:33:27,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:33:27,180 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:33:27,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [107878079] [2023-11-29 01:33:27,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:33:27,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:33:27,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:27,182 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:33:27,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 01:33:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:33:27,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 01:33:27,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:33:27,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-29 01:33:27,416 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2023-11-29 01:33:27,437 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:33:27,438 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2023-11-29 01:33:27,471 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:33:27,471 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 46 [2023-11-29 01:33:27,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:33:27,501 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:33:27,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:33:27,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952757113] [2023-11-29 01:33:27,501 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:33:27,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [107878079] [2023-11-29 01:33:27,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [107878079] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:33:27,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:33:27,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:33:27,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781423066] [2023-11-29 01:33:27,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:33:27,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:33:27,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:33:27,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:33:27,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:33:27,884 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 322 [2023-11-29 01:33:27,885 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 306 transitions, 642 flow. Second operand has 6 states, 6 states have (on average 233.33333333333334) internal successors, (1400), 6 states have internal predecessors, (1400), 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) [2023-11-29 01:33:27,885 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:33:27,885 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 322 [2023-11-29 01:33:27,885 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:33:28,466 INFO L124 PetriNetUnfolderBase]: 450/2102 cut-off events. [2023-11-29 01:33:28,466 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-29 01:33:28,472 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3158 conditions, 2102 events. 450/2102 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 12442 event pairs, 342 based on Foata normal form. 0/1893 useless extension candidates. Maximal degree in co-relation 2716. Up to 960 conditions per place. [2023-11-29 01:33:28,484 INFO L140 encePairwiseOnDemand]: 316/322 looper letters, 79 selfloop transitions, 5 changer transitions 0/305 dead transitions. [2023-11-29 01:33:28,484 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 305 transitions, 808 flow [2023-11-29 01:33:28,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:33:28,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 01:33:28,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1453 transitions. [2023-11-29 01:33:28,489 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7520703933747412 [2023-11-29 01:33:28,489 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1453 transitions. [2023-11-29 01:33:28,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1453 transitions. [2023-11-29 01:33:28,490 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:33:28,490 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1453 transitions. [2023-11-29 01:33:28,494 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 242.16666666666666) internal successors, (1453), 6 states have internal predecessors, (1453), 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) [2023-11-29 01:33:28,499 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 322.0) internal successors, (2254), 7 states have internal predecessors, (2254), 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) [2023-11-29 01:33:28,500 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 322.0) internal successors, (2254), 7 states have internal predecessors, (2254), 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) [2023-11-29 01:33:28,500 INFO L175 Difference]: Start difference. First operand has 312 places, 306 transitions, 642 flow. Second operand 6 states and 1453 transitions. [2023-11-29 01:33:28,500 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 305 transitions, 808 flow [2023-11-29 01:33:28,503 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 305 transitions, 798 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 01:33:28,508 INFO L231 Difference]: Finished difference. Result has 311 places, 305 transitions, 640 flow [2023-11-29 01:33:28,509 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=630, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=300, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=640, PETRI_PLACES=311, PETRI_TRANSITIONS=305} [2023-11-29 01:33:28,509 INFO L281 CegarLoopForPetriNet]: 312 programPoint places, -1 predicate places. [2023-11-29 01:33:28,510 INFO L495 AbstractCegarLoop]: Abstraction has has 311 places, 305 transitions, 640 flow [2023-11-29 01:33:28,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 233.33333333333334) internal successors, (1400), 6 states have internal predecessors, (1400), 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) [2023-11-29 01:33:28,510 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:33:28,511 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:33:28,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 01:33:28,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-29 01:33:28,711 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2023-11-29 01:33:28,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:33:28,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1218953494, now seen corresponding path program 1 times [2023-11-29 01:33:28,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:33:28,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607932030] [2023-11-29 01:33:28,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:33:28,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:33:28,737 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:33:28,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1643547039] [2023-11-29 01:33:28,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:33:28,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:33:28,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:28,738 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:33:28,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 01:33:28,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:33:28,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-29 01:33:28,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:33:28,926 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 01:33:28,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-11-29 01:33:28,954 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:33:28,954 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2023-11-29 01:33:28,981 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:33:28,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2023-11-29 01:33:29,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:33:29,006 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:33:29,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:33:29,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607932030] [2023-11-29 01:33:29,006 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:33:29,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1643547039] [2023-11-29 01:33:29,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1643547039] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:33:29,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:33:29,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:33:29,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123346733] [2023-11-29 01:33:29,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:33:29,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:33:29,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:33:29,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:33:29,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:33:29,337 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 322 [2023-11-29 01:33:29,339 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 305 transitions, 640 flow. Second operand has 6 states, 6 states have (on average 238.0) internal successors, (1428), 6 states have internal predecessors, (1428), 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) [2023-11-29 01:33:29,339 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:33:29,339 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 322 [2023-11-29 01:33:29,339 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:33:29,753 INFO L124 PetriNetUnfolderBase]: 450/2098 cut-off events. [2023-11-29 01:33:29,753 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-29 01:33:29,759 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3138 conditions, 2098 events. 450/2098 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 12398 event pairs, 342 based on Foata normal form. 0/1893 useless extension candidates. Maximal degree in co-relation 2732. Up to 944 conditions per place. [2023-11-29 01:33:29,773 INFO L140 encePairwiseOnDemand]: 316/322 looper letters, 75 selfloop transitions, 5 changer transitions 0/304 dead transitions. [2023-11-29 01:33:29,773 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 304 transitions, 798 flow [2023-11-29 01:33:29,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:33:29,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 01:33:29,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1473 transitions. [2023-11-29 01:33:29,779 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7624223602484472 [2023-11-29 01:33:29,779 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1473 transitions. [2023-11-29 01:33:29,779 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1473 transitions. [2023-11-29 01:33:29,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:33:29,780 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1473 transitions. [2023-11-29 01:33:29,784 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 245.5) internal successors, (1473), 6 states have internal predecessors, (1473), 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) [2023-11-29 01:33:29,788 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 322.0) internal successors, (2254), 7 states have internal predecessors, (2254), 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) [2023-11-29 01:33:29,789 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 322.0) internal successors, (2254), 7 states have internal predecessors, (2254), 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) [2023-11-29 01:33:29,790 INFO L175 Difference]: Start difference. First operand has 311 places, 305 transitions, 640 flow. Second operand 6 states and 1473 transitions. [2023-11-29 01:33:29,790 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 304 transitions, 798 flow [2023-11-29 01:33:29,793 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 304 transitions, 788 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 01:33:29,797 INFO L231 Difference]: Finished difference. Result has 310 places, 304 transitions, 638 flow [2023-11-29 01:33:29,798 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=628, PETRI_DIFFERENCE_MINUEND_PLACES=305, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=299, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=638, PETRI_PLACES=310, PETRI_TRANSITIONS=304} [2023-11-29 01:33:29,799 INFO L281 CegarLoopForPetriNet]: 312 programPoint places, -2 predicate places. [2023-11-29 01:33:29,799 INFO L495 AbstractCegarLoop]: Abstraction has has 310 places, 304 transitions, 638 flow [2023-11-29 01:33:29,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 238.0) internal successors, (1428), 6 states have internal predecessors, (1428), 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) [2023-11-29 01:33:29,800 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:33:29,800 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:33:29,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 01:33:30,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:33:30,006 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2023-11-29 01:33:30,007 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:33:30,007 INFO L85 PathProgramCache]: Analyzing trace with hash 2097885433, now seen corresponding path program 1 times [2023-11-29 01:33:30,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:33:30,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045549906] [2023-11-29 01:33:30,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:33:30,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:33:30,039 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:33:30,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1273456586] [2023-11-29 01:33:30,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:33:30,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:33:30,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:30,040 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:33:30,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 01:33:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:33:30,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-29 01:33:30,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:33:30,444 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 01:33:30,465 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-11-29 01:33:30,497 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:33:30,497 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2023-11-29 01:33:30,533 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:33:30,533 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2023-11-29 01:33:30,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:33:30,563 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:33:30,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:33:30,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045549906] [2023-11-29 01:33:30,564 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:33:30,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1273456586] [2023-11-29 01:33:30,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1273456586] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:33:30,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:33:30,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 01:33:30,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244478699] [2023-11-29 01:33:30,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:33:30,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 01:33:30,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:33:30,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 01:33:30,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-29 01:33:31,290 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 322 [2023-11-29 01:33:31,293 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 304 transitions, 638 flow. Second operand has 13 states, 13 states have (on average 218.92307692307693) internal successors, (2846), 13 states have internal predecessors, (2846), 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) [2023-11-29 01:33:31,293 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:33:31,293 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 322 [2023-11-29 01:33:31,293 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:33:32,064 INFO L124 PetriNetUnfolderBase]: 1237/3930 cut-off events. [2023-11-29 01:33:32,064 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 01:33:32,070 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6164 conditions, 3930 events. 1237/3930 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 30218 event pairs, 1026 based on Foata normal form. 0/3544 useless extension candidates. Maximal degree in co-relation 5746. Up to 1962 conditions per place. [2023-11-29 01:33:32,083 INFO L140 encePairwiseOnDemand]: 302/322 looper letters, 89 selfloop transitions, 19 changer transitions 0/314 dead transitions. [2023-11-29 01:33:32,083 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 324 places, 314 transitions, 874 flow [2023-11-29 01:33:32,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 01:33:32,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-11-29 01:33:32,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 3549 transitions. [2023-11-29 01:33:32,094 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.688858695652174 [2023-11-29 01:33:32,094 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 3549 transitions. [2023-11-29 01:33:32,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 3549 transitions. [2023-11-29 01:33:32,096 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:33:32,096 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 3549 transitions. [2023-11-29 01:33:32,105 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 221.8125) internal successors, (3549), 16 states have internal predecessors, (3549), 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) [2023-11-29 01:33:32,116 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 322.0) internal successors, (5474), 17 states have internal predecessors, (5474), 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) [2023-11-29 01:33:32,118 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 322.0) internal successors, (5474), 17 states have internal predecessors, (5474), 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) [2023-11-29 01:33:32,118 INFO L175 Difference]: Start difference. First operand has 310 places, 304 transitions, 638 flow. Second operand 16 states and 3549 transitions. [2023-11-29 01:33:32,118 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 324 places, 314 transitions, 874 flow [2023-11-29 01:33:32,121 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 319 places, 314 transitions, 864 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 01:33:32,127 INFO L231 Difference]: Finished difference. Result has 320 places, 304 transitions, 670 flow [2023-11-29 01:33:32,127 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=626, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=670, PETRI_PLACES=320, PETRI_TRANSITIONS=304} [2023-11-29 01:33:32,128 INFO L281 CegarLoopForPetriNet]: 312 programPoint places, 8 predicate places. [2023-11-29 01:33:32,128 INFO L495 AbstractCegarLoop]: Abstraction has has 320 places, 304 transitions, 670 flow [2023-11-29 01:33:32,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 218.92307692307693) internal successors, (2846), 13 states have internal predecessors, (2846), 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) [2023-11-29 01:33:32,129 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:33:32,129 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:33:32,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-29 01:33:32,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:33:32,332 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2023-11-29 01:33:32,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:33:32,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1843897254, now seen corresponding path program 1 times [2023-11-29 01:33:32,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:33:32,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839543106] [2023-11-29 01:33:32,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:33:32,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:33:32,403 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:33:32,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [634667754] [2023-11-29 01:33:32,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:33:32,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:33:32,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:32,405 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:33:32,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 01:33:32,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:33:32,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 01:33:32,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:33:32,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 01:33:32,664 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-11-29 01:33:32,680 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:33:32,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2023-11-29 01:33:32,705 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:33:32,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2023-11-29 01:33:32,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:33:32,727 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:33:32,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:33:32,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839543106] [2023-11-29 01:33:32,727 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:33:32,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [634667754] [2023-11-29 01:33:32,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [634667754] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:33:32,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:33:32,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:33:32,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968766708] [2023-11-29 01:33:32,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:33:32,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:33:32,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:33:32,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:33:32,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:33:33,072 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 322 [2023-11-29 01:33:33,073 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 304 transitions, 670 flow. Second operand has 6 states, 6 states have (on average 234.5) internal successors, (1407), 6 states have internal predecessors, (1407), 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) [2023-11-29 01:33:33,073 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:33:33,074 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 322 [2023-11-29 01:33:33,074 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:33:33,428 INFO L124 PetriNetUnfolderBase]: 450/2090 cut-off events. [2023-11-29 01:33:33,428 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-29 01:33:33,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3210 conditions, 2090 events. 450/2090 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 12372 event pairs, 342 based on Foata normal form. 0/1893 useless extension candidates. Maximal degree in co-relation 2549. Up to 964 conditions per place. [2023-11-29 01:33:33,437 INFO L140 encePairwiseOnDemand]: 316/322 looper letters, 80 selfloop transitions, 5 changer transitions 0/303 dead transitions. [2023-11-29 01:33:33,437 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 324 places, 303 transitions, 838 flow [2023-11-29 01:33:33,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:33:33,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 01:33:33,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1448 transitions. [2023-11-29 01:33:33,441 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7494824016563147 [2023-11-29 01:33:33,441 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1448 transitions. [2023-11-29 01:33:33,441 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1448 transitions. [2023-11-29 01:33:33,442 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:33:33,442 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1448 transitions. [2023-11-29 01:33:33,445 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 241.33333333333334) internal successors, (1448), 6 states have internal predecessors, (1448), 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) [2023-11-29 01:33:33,447 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 322.0) internal successors, (2254), 7 states have internal predecessors, (2254), 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) [2023-11-29 01:33:33,448 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 322.0) internal successors, (2254), 7 states have internal predecessors, (2254), 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) [2023-11-29 01:33:33,448 INFO L175 Difference]: Start difference. First operand has 320 places, 304 transitions, 670 flow. Second operand 6 states and 1448 transitions. [2023-11-29 01:33:33,448 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 324 places, 303 transitions, 838 flow [2023-11-29 01:33:33,451 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 303 transitions, 802 flow, removed 0 selfloop flow, removed 14 redundant places. [2023-11-29 01:33:33,455 INFO L231 Difference]: Finished difference. Result has 310 places, 303 transitions, 642 flow [2023-11-29 01:33:33,455 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=632, PETRI_DIFFERENCE_MINUEND_PLACES=305, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=642, PETRI_PLACES=310, PETRI_TRANSITIONS=303} [2023-11-29 01:33:33,456 INFO L281 CegarLoopForPetriNet]: 312 programPoint places, -2 predicate places. [2023-11-29 01:33:33,456 INFO L495 AbstractCegarLoop]: Abstraction has has 310 places, 303 transitions, 642 flow [2023-11-29 01:33:33,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 234.5) internal successors, (1407), 6 states have internal predecessors, (1407), 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) [2023-11-29 01:33:33,457 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:33:33,457 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:33:33,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 01:33:33,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-29 01:33:33,659 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2023-11-29 01:33:33,660 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:33:33,661 INFO L85 PathProgramCache]: Analyzing trace with hash 609759754, now seen corresponding path program 1 times [2023-11-29 01:33:33,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:33:33,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236289397] [2023-11-29 01:33:33,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:33:33,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:33:33,729 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:33:33,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1795626481] [2023-11-29 01:33:33,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:33:33,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:33:33,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:33,731 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:33:33,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 01:33:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:33:33,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 01:33:33,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:33:34,108 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:33:34,108 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:33:34,277 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:33:34,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:33:34,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236289397] [2023-11-29 01:33:34,277 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:33:34,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1795626481] [2023-11-29 01:33:34,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1795626481] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:33:34,277 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:33:34,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-29 01:33:34,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586515264] [2023-11-29 01:33:34,278 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:33:34,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:33:34,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:33:34,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:33:34,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:33:34,308 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 322 [2023-11-29 01:33:34,310 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 303 transitions, 642 flow. Second operand has 8 states, 8 states have (on average 300.0) internal successors, (2400), 8 states have internal predecessors, (2400), 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) [2023-11-29 01:33:34,310 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:33:34,310 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 322 [2023-11-29 01:33:34,310 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:33:34,496 INFO L124 PetriNetUnfolderBase]: 29/971 cut-off events. [2023-11-29 01:33:34,496 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-29 01:33:34,497 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1113 conditions, 971 events. 29/971 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1918 event pairs, 18 based on Foata normal form. 4/939 useless extension candidates. Maximal degree in co-relation 521. Up to 49 conditions per place. [2023-11-29 01:33:34,498 INFO L140 encePairwiseOnDemand]: 316/322 looper letters, 15 selfloop transitions, 9 changer transitions 0/311 dead transitions. [2023-11-29 01:33:34,499 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 311 transitions, 708 flow [2023-11-29 01:33:34,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 01:33:34,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-29 01:33:34,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2708 transitions. [2023-11-29 01:33:34,506 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9344375431331953 [2023-11-29 01:33:34,506 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2708 transitions. [2023-11-29 01:33:34,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2708 transitions. [2023-11-29 01:33:34,508 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:33:34,508 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2708 transitions. [2023-11-29 01:33:34,514 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 300.8888888888889) internal successors, (2708), 9 states have internal predecessors, (2708), 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) [2023-11-29 01:33:34,520 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 322.0) internal successors, (3220), 10 states have internal predecessors, (3220), 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) [2023-11-29 01:33:34,520 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 322.0) internal successors, (3220), 10 states have internal predecessors, (3220), 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) [2023-11-29 01:33:34,521 INFO L175 Difference]: Start difference. First operand has 310 places, 303 transitions, 642 flow. Second operand 9 states and 2708 transitions. [2023-11-29 01:33:34,521 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 311 transitions, 708 flow [2023-11-29 01:33:34,523 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 311 transitions, 698 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 01:33:34,527 INFO L231 Difference]: Finished difference. Result has 316 places, 309 transitions, 682 flow [2023-11-29 01:33:34,528 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=632, PETRI_DIFFERENCE_MINUEND_PLACES=305, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=682, PETRI_PLACES=316, PETRI_TRANSITIONS=309} [2023-11-29 01:33:34,528 INFO L281 CegarLoopForPetriNet]: 312 programPoint places, 4 predicate places. [2023-11-29 01:33:34,529 INFO L495 AbstractCegarLoop]: Abstraction has has 316 places, 309 transitions, 682 flow [2023-11-29 01:33:34,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 300.0) internal successors, (2400), 8 states have internal predecessors, (2400), 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) [2023-11-29 01:33:34,530 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:33:34,530 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:33:34,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 01:33:34,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-29 01:33:34,732 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2023-11-29 01:33:34,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:33:34,734 INFO L85 PathProgramCache]: Analyzing trace with hash -134445430, now seen corresponding path program 2 times [2023-11-29 01:33:34,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:33:34,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552489380] [2023-11-29 01:33:34,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:33:34,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:33:34,829 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:33:34,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2143025977] [2023-11-29 01:33:34,829 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 01:33:34,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:33:34,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:34,831 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:33:34,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 01:33:35,118 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 01:33:35,118 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:33:35,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 01:33:35,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:33:35,144 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-11-29 01:33:35,154 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2023-11-29 01:33:35,173 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:33:35,174 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2023-11-29 01:33:35,204 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:33:35,205 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2023-11-29 01:33:35,229 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2023-11-29 01:33:35,230 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:33:35,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:33:35,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552489380] [2023-11-29 01:33:35,230 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:33:35,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2143025977] [2023-11-29 01:33:35,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2143025977] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:33:35,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:33:35,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:33:35,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800813876] [2023-11-29 01:33:35,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:33:35,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:33:35,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:33:35,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:33:35,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:33:35,950 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 322 [2023-11-29 01:33:35,951 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 309 transitions, 682 flow. Second operand has 6 states, 6 states have (on average 261.5) internal successors, (1569), 6 states have internal predecessors, (1569), 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) [2023-11-29 01:33:35,951 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:33:35,951 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 322 [2023-11-29 01:33:35,951 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:33:36,408 INFO L124 PetriNetUnfolderBase]: 199/1864 cut-off events. [2023-11-29 01:33:36,408 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2023-11-29 01:33:36,411 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2495 conditions, 1864 events. 199/1864 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 8815 event pairs, 54 based on Foata normal form. 0/1721 useless extension candidates. Maximal degree in co-relation 1901. Up to 448 conditions per place. [2023-11-29 01:33:36,415 INFO L140 encePairwiseOnDemand]: 310/322 looper letters, 71 selfloop transitions, 23 changer transitions 0/344 dead transitions. [2023-11-29 01:33:36,415 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 344 transitions, 948 flow [2023-11-29 01:33:36,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:33:36,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 01:33:36,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1619 transitions. [2023-11-29 01:33:36,421 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.837991718426501 [2023-11-29 01:33:36,421 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1619 transitions. [2023-11-29 01:33:36,421 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1619 transitions. [2023-11-29 01:33:36,423 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:33:36,423 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1619 transitions. [2023-11-29 01:33:36,427 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 269.8333333333333) internal successors, (1619), 6 states have internal predecessors, (1619), 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) [2023-11-29 01:33:36,431 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 322.0) internal successors, (2254), 7 states have internal predecessors, (2254), 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) [2023-11-29 01:33:36,431 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 322.0) internal successors, (2254), 7 states have internal predecessors, (2254), 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) [2023-11-29 01:33:36,432 INFO L175 Difference]: Start difference. First operand has 316 places, 309 transitions, 682 flow. Second operand 6 states and 1619 transitions. [2023-11-29 01:33:36,432 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 321 places, 344 transitions, 948 flow [2023-11-29 01:33:36,435 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 320 places, 344 transitions, 942 flow, removed 2 selfloop flow, removed 1 redundant places. [2023-11-29 01:33:36,441 INFO L231 Difference]: Finished difference. Result has 325 places, 331 transitions, 834 flow [2023-11-29 01:33:36,441 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=676, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=309, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=834, PETRI_PLACES=325, PETRI_TRANSITIONS=331} [2023-11-29 01:33:36,442 INFO L281 CegarLoopForPetriNet]: 312 programPoint places, 13 predicate places. [2023-11-29 01:33:36,442 INFO L495 AbstractCegarLoop]: Abstraction has has 325 places, 331 transitions, 834 flow [2023-11-29 01:33:36,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 261.5) internal successors, (1569), 6 states have internal predecessors, (1569), 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) [2023-11-29 01:33:36,443 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:33:36,444 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:33:36,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 01:33:36,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-29 01:33:36,650 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2023-11-29 01:33:36,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:33:36,651 INFO L85 PathProgramCache]: Analyzing trace with hash 690564717, now seen corresponding path program 1 times [2023-11-29 01:33:36,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:33:36,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162665143] [2023-11-29 01:33:36,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:33:36,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:33:36,724 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:33:36,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [16866621] [2023-11-29 01:33:36,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:33:36,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:33:36,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:36,726 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:33:36,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 01:33:37,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:33:37,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 1382 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 01:33:37,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:33:37,505 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 1 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:33:37,505 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:33:37,845 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 1 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:33:37,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:33:37,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162665143] [2023-11-29 01:33:37,846 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:33:37,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16866621] [2023-11-29 01:33:37,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [16866621] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:33:37,846 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:33:37,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2023-11-29 01:33:37,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853467007] [2023-11-29 01:33:37,847 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:33:37,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-29 01:33:37,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:33:37,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-29 01:33:37,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2023-11-29 01:33:37,875 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 322 [2023-11-29 01:33:37,878 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 325 places, 331 transitions, 834 flow. Second operand has 16 states, 16 states have (on average 300.0625) internal successors, (4801), 16 states have internal predecessors, (4801), 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) [2023-11-29 01:33:37,878 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:33:37,878 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 322 [2023-11-29 01:33:37,878 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:33:38,732 INFO L124 PetriNetUnfolderBase]: 185/2762 cut-off events. [2023-11-29 01:33:38,732 INFO L125 PetriNetUnfolderBase]: For 108/112 co-relation queries the response was YES. [2023-11-29 01:33:38,736 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3425 conditions, 2762 events. 185/2762 cut-off events. For 108/112 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 9750 event pairs, 55 based on Foata normal form. 8/2610 useless extension candidates. Maximal degree in co-relation 2103. Up to 144 conditions per place. [2023-11-29 01:33:38,740 INFO L140 encePairwiseOnDemand]: 316/322 looper letters, 19 selfloop transitions, 21 changer transitions 0/349 dead transitions. [2023-11-29 01:33:38,740 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 345 places, 349 transitions, 1002 flow [2023-11-29 01:33:38,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-29 01:33:38,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2023-11-29 01:33:38,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 6302 transitions. [2023-11-29 01:33:38,753 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9319727891156463 [2023-11-29 01:33:38,753 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 6302 transitions. [2023-11-29 01:33:38,753 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 6302 transitions. [2023-11-29 01:33:38,756 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:33:38,757 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 6302 transitions. [2023-11-29 01:33:38,767 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 300.0952380952381) internal successors, (6302), 21 states have internal predecessors, (6302), 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) [2023-11-29 01:33:38,775 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 322.0) internal successors, (7084), 22 states have internal predecessors, (7084), 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) [2023-11-29 01:33:38,776 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 322.0) internal successors, (7084), 22 states have internal predecessors, (7084), 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) [2023-11-29 01:33:38,776 INFO L175 Difference]: Start difference. First operand has 325 places, 331 transitions, 834 flow. Second operand 21 states and 6302 transitions. [2023-11-29 01:33:38,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 345 places, 349 transitions, 1002 flow [2023-11-29 01:33:38,780 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 345 places, 349 transitions, 1002 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 01:33:38,783 INFO L231 Difference]: Finished difference. Result has 350 places, 344 transitions, 964 flow [2023-11-29 01:33:38,783 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=834, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=331, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=964, PETRI_PLACES=350, PETRI_TRANSITIONS=344} [2023-11-29 01:33:38,784 INFO L281 CegarLoopForPetriNet]: 312 programPoint places, 38 predicate places. [2023-11-29 01:33:38,784 INFO L495 AbstractCegarLoop]: Abstraction has has 350 places, 344 transitions, 964 flow [2023-11-29 01:33:38,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 300.0625) internal successors, (4801), 16 states have internal predecessors, (4801), 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) [2023-11-29 01:33:38,785 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:33:38,785 INFO L208 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:33:38,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-29 01:33:38,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:33:38,986 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2023-11-29 01:33:38,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:33:38,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1224607891, now seen corresponding path program 2 times [2023-11-29 01:33:38,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:33:38,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634700313] [2023-11-29 01:33:38,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:33:38,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:33:39,094 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:33:39,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2057052597] [2023-11-29 01:33:39,095 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 01:33:39,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:33:39,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:39,096 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:33:39,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 01:33:39,569 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 01:33:39,569 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:33:39,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 01:33:39,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:33:39,602 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-11-29 01:33:39,610 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2023-11-29 01:33:39,627 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:33:39,628 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2023-11-29 01:33:39,650 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:33:39,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2023-11-29 01:33:39,674 INFO L134 CoverageAnalysis]: Checked inductivity of 1919 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1919 trivial. 0 not checked. [2023-11-29 01:33:39,674 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:33:39,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:33:39,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634700313] [2023-11-29 01:33:39,675 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:33:39,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2057052597] [2023-11-29 01:33:39,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2057052597] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:33:39,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:33:39,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:33:39,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643335312] [2023-11-29 01:33:39,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:33:39,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:33:39,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:33:39,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:33:39,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:33:40,298 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 322 [2023-11-29 01:33:40,299 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 350 places, 344 transitions, 964 flow. Second operand has 6 states, 6 states have (on average 261.6666666666667) internal successors, (1570), 6 states have internal predecessors, (1570), 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) [2023-11-29 01:33:40,299 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:33:40,299 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 322 [2023-11-29 01:33:40,299 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:33:41,318 INFO L124 PetriNetUnfolderBase]: 310/3318 cut-off events. [2023-11-29 01:33:41,318 INFO L125 PetriNetUnfolderBase]: For 344/380 co-relation queries the response was YES. [2023-11-29 01:33:41,324 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4844 conditions, 3318 events. 310/3318 cut-off events. For 344/380 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 15719 event pairs, 61 based on Foata normal form. 8/3112 useless extension candidates. Maximal degree in co-relation 3686. Up to 805 conditions per place. [2023-11-29 01:33:41,330 INFO L140 encePairwiseOnDemand]: 310/322 looper letters, 84 selfloop transitions, 31 changer transitions 0/383 dead transitions. [2023-11-29 01:33:41,330 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 355 places, 383 transitions, 1314 flow [2023-11-29 01:33:41,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:33:41,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 01:33:41,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1615 transitions. [2023-11-29 01:33:41,332 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8359213250517599 [2023-11-29 01:33:41,332 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1615 transitions. [2023-11-29 01:33:41,332 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1615 transitions. [2023-11-29 01:33:41,333 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:33:41,333 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1615 transitions. [2023-11-29 01:33:41,334 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 269.1666666666667) internal successors, (1615), 6 states have internal predecessors, (1615), 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) [2023-11-29 01:33:41,336 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 322.0) internal successors, (2254), 7 states have internal predecessors, (2254), 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) [2023-11-29 01:33:41,337 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 322.0) internal successors, (2254), 7 states have internal predecessors, (2254), 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) [2023-11-29 01:33:41,337 INFO L175 Difference]: Start difference. First operand has 350 places, 344 transitions, 964 flow. Second operand 6 states and 1615 transitions. [2023-11-29 01:33:41,337 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 355 places, 383 transitions, 1314 flow [2023-11-29 01:33:41,341 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 349 places, 383 transitions, 1290 flow, removed 6 selfloop flow, removed 6 redundant places. [2023-11-29 01:33:41,346 INFO L231 Difference]: Finished difference. Result has 354 places, 374 transitions, 1198 flow [2023-11-29 01:33:41,346 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=940, PETRI_DIFFERENCE_MINUEND_PLACES=344, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=344, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=328, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1198, PETRI_PLACES=354, PETRI_TRANSITIONS=374} [2023-11-29 01:33:41,346 INFO L281 CegarLoopForPetriNet]: 312 programPoint places, 42 predicate places. [2023-11-29 01:33:41,347 INFO L495 AbstractCegarLoop]: Abstraction has has 354 places, 374 transitions, 1198 flow [2023-11-29 01:33:41,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 261.6666666666667) internal successors, (1570), 6 states have internal predecessors, (1570), 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) [2023-11-29 01:33:41,347 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:33:41,348 INFO L208 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:33:41,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-29 01:33:41,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:33:41,549 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting fErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2023-11-29 01:33:41,549 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:33:41,549 INFO L85 PathProgramCache]: Analyzing trace with hash 937975251, now seen corresponding path program 1 times [2023-11-29 01:33:41,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:33:41,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866195693] [2023-11-29 01:33:41,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:33:41,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:33:41,693 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:33:41,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [895546672] [2023-11-29 01:33:41,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:33:41,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:33:41,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:41,695 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:33:41,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-29 01:33:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:33:42,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 2866 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-29 01:33:42,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:33:43,264 INFO L134 CoverageAnalysis]: Checked inductivity of 1919 backedges. 1 proven. 1918 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:33:43,264 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:33:44,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1919 backedges. 1 proven. 1918 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:33:44,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:33:44,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866195693] [2023-11-29 01:33:44,036 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:33:44,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895546672] [2023-11-29 01:33:44,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [895546672] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:33:44,036 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:33:44,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2023-11-29 01:33:44,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756836997] [2023-11-29 01:33:44,037 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:33:44,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-11-29 01:33:44,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:33:44,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-11-29 01:33:44,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=272, Invalid=720, Unknown=0, NotChecked=0, Total=992 [2023-11-29 01:33:44,086 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 322 [2023-11-29 01:33:44,093 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 374 transitions, 1198 flow. Second operand has 32 states, 32 states have (on average 300.0) internal successors, (9600), 32 states have internal predecessors, (9600), 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) [2023-11-29 01:33:44,093 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:33:44,093 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 322 [2023-11-29 01:33:44,093 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:33:45,747 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([595] L1039-3-->L1044-2: Formula: (and (= (store |v_#pthreadsMutex_12| |v_~#c~0.base_21| (store (select |v_#pthreadsMutex_12| |v_~#c~0.base_21|) (+ (* |v_fThread1of1ForFork0_~j~0#1_29| 24) |v_~#c~0.offset_19| 80) 0)) |v_#pthreadsMutex_11|) (= |v_fThread1of1ForFork0_#t~nondet20#1_1| 0)) InVars {~#c~0.base=|v_~#c~0.base_21|, #pthreadsMutex=|v_#pthreadsMutex_12|, fThread1of1ForFork0_~j~0#1=|v_fThread1of1ForFork0_~j~0#1_29|, ~#c~0.offset=|v_~#c~0.offset_19|} OutVars{~#c~0.base=|v_~#c~0.base_21|, #pthreadsMutex=|v_#pthreadsMutex_11|, fThread1of1ForFork0_~j~0#1=|v_fThread1of1ForFork0_~j~0#1_29|, fThread1of1ForFork0_#t~nondet20#1=|v_fThread1of1ForFork0_#t~nondet20#1_1|, ~#c~0.offset=|v_~#c~0.offset_19|} AuxVars[] AssignedVars[#pthreadsMutex, fThread1of1ForFork0_#t~nondet20#1][302], [154#L1044-2true, 8803#true, 229#ULTIMATE.startFINALtrue, Black: 2916#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 2699#(<= |ULTIMATE.start_main_~j~1#1| 1), Black: 333#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 529#(= |ULTIMATE.start_main_~j~1#1| 0), 61#L1044-2true, Black: 5914#(< |ULTIMATE.start_main_~j~1#1| 28), Black: 5628#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 5375#(<= |ULTIMATE.start_main_~j~1#1| 3), Black: 5639#(< |ULTIMATE.start_main_~j~1#1| 29), 4413#true, Black: 8796#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 2 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 3 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 8784#(= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0), Black: 8788#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 8792#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 2 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), 3339#true, 6619#true, 2287#true, 1752#(= 0 |ULTIMATE.start_new_#res#1.offset|), Black: 4406#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= 0 (select (select |#race| |~#c~0.base|) (+ 3 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))))), fThread1of1ForFork0InUse, Black: 4394#(= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0), fThread1of1ForFork1InUse, Black: 4402#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0)), Black: 4398#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0))]) [2023-11-29 01:33:45,748 INFO L294 olderBase$Statistics]: this new event has 1549 ancestors and is cut-off event [2023-11-29 01:33:45,748 INFO L297 olderBase$Statistics]: existing Event has 1522 ancestors and is cut-off event [2023-11-29 01:33:45,748 INFO L297 olderBase$Statistics]: existing Event has 1522 ancestors and is cut-off event [2023-11-29 01:33:45,748 INFO L297 olderBase$Statistics]: existing Event has 1522 ancestors and is cut-off event [2023-11-29 01:33:46,470 INFO L124 PetriNetUnfolderBase]: 339/5084 cut-off events. [2023-11-29 01:33:46,470 INFO L125 PetriNetUnfolderBase]: For 924/942 co-relation queries the response was YES. [2023-11-29 01:33:46,478 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6748 conditions, 5084 events. 339/5084 cut-off events. For 924/942 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 18415 event pairs, 100 based on Foata normal form. 22/4852 useless extension candidates. Maximal degree in co-relation 4108. Up to 255 conditions per place. [2023-11-29 01:33:46,484 INFO L140 encePairwiseOnDemand]: 316/322 looper letters, 27 selfloop transitions, 45 changer transitions 0/411 dead transitions. [2023-11-29 01:33:46,484 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 398 places, 411 transitions, 1614 flow [2023-11-29 01:33:46,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-11-29 01:33:46,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2023-11-29 01:33:46,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 13490 transitions. [2023-11-29 01:33:46,494 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9309868875086267 [2023-11-29 01:33:46,494 INFO L72 ComplementDD]: Start complementDD. Operand 45 states and 13490 transitions. [2023-11-29 01:33:46,494 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 13490 transitions. [2023-11-29 01:33:46,497 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:33:46,497 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 45 states and 13490 transitions. [2023-11-29 01:33:46,510 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 46 states, 45 states have (on average 299.77777777777777) internal successors, (13490), 45 states have internal predecessors, (13490), 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) [2023-11-29 01:33:46,522 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 46 states, 46 states have (on average 322.0) internal successors, (14812), 46 states have internal predecessors, (14812), 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) [2023-11-29 01:33:46,524 INFO L81 ComplementDD]: Finished complementDD. Result has 46 states, 46 states have (on average 322.0) internal successors, (14812), 46 states have internal predecessors, (14812), 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) [2023-11-29 01:33:46,524 INFO L175 Difference]: Start difference. First operand has 354 places, 374 transitions, 1198 flow. Second operand 45 states and 13490 transitions. [2023-11-29 01:33:46,524 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 398 places, 411 transitions, 1614 flow [2023-11-29 01:33:46,531 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 411 transitions, 1614 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 01:33:46,535 INFO L231 Difference]: Finished difference. Result has 407 places, 399 transitions, 1500 flow [2023-11-29 01:33:46,535 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=1198, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=374, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=45, PETRI_FLOW=1500, PETRI_PLACES=407, PETRI_TRANSITIONS=399} [2023-11-29 01:33:46,536 INFO L281 CegarLoopForPetriNet]: 312 programPoint places, 95 predicate places. [2023-11-29 01:33:46,536 INFO L495 AbstractCegarLoop]: Abstraction has has 407 places, 399 transitions, 1500 flow [2023-11-29 01:33:46,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 300.0) internal successors, (9600), 32 states have internal predecessors, (9600), 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) [2023-11-29 01:33:46,537 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:33:46,537 INFO L208 CegarLoopForPetriNet]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:33:46,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-29 01:33:46,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:33:46,738 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting fErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2023-11-29 01:33:46,738 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:33:46,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1418956845, now seen corresponding path program 2 times [2023-11-29 01:33:46,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:33:46,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385987298] [2023-11-29 01:33:46,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:33:46,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:33:47,054 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:33:47,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [178412480] [2023-11-29 01:33:47,055 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 01:33:47,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:33:47,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:47,056 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:33:47,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-29 01:33:47,843 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 01:33:47,843 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:33:47,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 01:33:47,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:33:47,912 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 01:33:47,918 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-11-29 01:33:47,931 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:33:47,931 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2023-11-29 01:33:47,949 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:33:47,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2023-11-29 01:33:47,973 INFO L134 CoverageAnalysis]: Checked inductivity of 9571 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9571 trivial. 0 not checked. [2023-11-29 01:33:47,973 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:33:47,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:33:47,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385987298] [2023-11-29 01:33:47,973 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:33:47,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178412480] [2023-11-29 01:33:47,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178412480] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:33:47,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:33:47,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:33:47,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286383188] [2023-11-29 01:33:47,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:33:47,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:33:47,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:33:47,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:33:47,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:33:48,448 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 322 [2023-11-29 01:33:48,449 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 407 places, 399 transitions, 1500 flow. Second operand has 6 states, 6 states have (on average 260.5) internal successors, (1563), 6 states have internal predecessors, (1563), 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) [2023-11-29 01:33:48,449 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:33:48,449 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 322 [2023-11-29 01:33:48,449 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:33:50,928 INFO L124 PetriNetUnfolderBase]: 453/5329 cut-off events. [2023-11-29 01:33:50,928 INFO L125 PetriNetUnfolderBase]: For 1612/1718 co-relation queries the response was YES. [2023-11-29 01:33:50,937 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8601 conditions, 5329 events. 453/5329 cut-off events. For 1612/1718 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 21394 event pairs, 87 based on Foata normal form. 34/5132 useless extension candidates. Maximal degree in co-relation 6298. Up to 1419 conditions per place. [2023-11-29 01:33:50,947 INFO L140 encePairwiseOnDemand]: 311/322 looper letters, 108 selfloop transitions, 55 changer transitions 0/460 dead transitions. [2023-11-29 01:33:50,947 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 412 places, 460 transitions, 2152 flow [2023-11-29 01:33:50,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:33:50,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 01:33:50,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1612 transitions. [2023-11-29 01:33:50,949 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8343685300207039 [2023-11-29 01:33:50,949 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1612 transitions. [2023-11-29 01:33:50,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1612 transitions. [2023-11-29 01:33:50,950 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:33:50,950 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1612 transitions. [2023-11-29 01:33:50,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 268.6666666666667) internal successors, (1612), 6 states have internal predecessors, (1612), 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) [2023-11-29 01:33:50,954 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 322.0) internal successors, (2254), 7 states have internal predecessors, (2254), 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) [2023-11-29 01:33:50,955 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 322.0) internal successors, (2254), 7 states have internal predecessors, (2254), 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) [2023-11-29 01:33:50,955 INFO L175 Difference]: Start difference. First operand has 407 places, 399 transitions, 1500 flow. Second operand 6 states and 1612 transitions. [2023-11-29 01:33:50,955 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 412 places, 460 transitions, 2152 flow [2023-11-29 01:33:50,967 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 394 places, 460 transitions, 2096 flow, removed 10 selfloop flow, removed 18 redundant places. [2023-11-29 01:33:50,974 INFO L231 Difference]: Finished difference. Result has 399 places, 448 transitions, 1998 flow [2023-11-29 01:33:50,974 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=1444, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=399, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1998, PETRI_PLACES=399, PETRI_TRANSITIONS=448} [2023-11-29 01:33:50,975 INFO L281 CegarLoopForPetriNet]: 312 programPoint places, 87 predicate places. [2023-11-29 01:33:50,975 INFO L495 AbstractCegarLoop]: Abstraction has has 399 places, 448 transitions, 1998 flow [2023-11-29 01:33:50,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 260.5) internal successors, (1563), 6 states have internal predecessors, (1563), 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) [2023-11-29 01:33:50,975 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:33:50,976 INFO L208 CegarLoopForPetriNet]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:33:50,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-29 01:33:51,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:33:51,181 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting fErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2023-11-29 01:33:51,181 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:33:51,182 INFO L85 PathProgramCache]: Analyzing trace with hash 391007286, now seen corresponding path program 1 times [2023-11-29 01:33:51,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:33:51,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672396552] [2023-11-29 01:33:51,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:33:51,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:33:51,417 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:33:51,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [469823692] [2023-11-29 01:33:51,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:33:51,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:33:51,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:51,419 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:33:51,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-29 01:33:52,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:33:52,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 5846 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-29 01:33:53,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:33:54,437 INFO L134 CoverageAnalysis]: Checked inductivity of 9571 backedges. 1 proven. 9570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:33:54,437 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:33:56,075 INFO L134 CoverageAnalysis]: Checked inductivity of 9571 backedges. 1 proven. 9570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:33:56,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:33:56,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672396552] [2023-11-29 01:33:56,075 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:33:56,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469823692] [2023-11-29 01:33:56,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [469823692] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:33:56,075 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:33:56,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 61 [2023-11-29 01:33:56,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745961612] [2023-11-29 01:33:56,077 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:33:56,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2023-11-29 01:33:56,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:33:56,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2023-11-29 01:33:56,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=960, Invalid=2700, Unknown=0, NotChecked=0, Total=3660 [2023-11-29 01:33:56,152 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 322 [2023-11-29 01:33:56,165 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 399 places, 448 transitions, 1998 flow. Second operand has 61 states, 61 states have (on average 300.04918032786884) internal successors, (18303), 61 states have internal predecessors, (18303), 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) [2023-11-29 01:33:56,165 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:33:56,165 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 322 [2023-11-29 01:33:56,165 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:34:00,831 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([595] L1039-3-->L1044-2: Formula: (and (= (store |v_#pthreadsMutex_12| |v_~#c~0.base_21| (store (select |v_#pthreadsMutex_12| |v_~#c~0.base_21|) (+ (* |v_fThread1of1ForFork0_~j~0#1_29| 24) |v_~#c~0.offset_19| 80) 0)) |v_#pthreadsMutex_11|) (= |v_fThread1of1ForFork0_#t~nondet20#1_1| 0)) InVars {~#c~0.base=|v_~#c~0.base_21|, #pthreadsMutex=|v_#pthreadsMutex_12|, fThread1of1ForFork0_~j~0#1=|v_fThread1of1ForFork0_~j~0#1_29|, ~#c~0.offset=|v_~#c~0.offset_19|} OutVars{~#c~0.base=|v_~#c~0.base_21|, #pthreadsMutex=|v_#pthreadsMutex_11|, fThread1of1ForFork0_~j~0#1=|v_fThread1of1ForFork0_~j~0#1_29|, fThread1of1ForFork0_#t~nondet20#1=|v_fThread1of1ForFork0_#t~nondet20#1_1|, ~#c~0.offset=|v_~#c~0.offset_19|} AuxVars[] AssignedVars[#pthreadsMutex, fThread1of1ForFork0_#t~nondet20#1][361], [154#L1044-2true, 8803#true, 229#ULTIMATE.startFINALtrue, Black: 2916#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 2699#(<= |ULTIMATE.start_main_~j~1#1| 1), 17649#true, Black: 11153#(< |ULTIMATE.start_main_~j~1#1| 29), Black: 11703#(< |ULTIMATE.start_main_~j~1#1| 27), Black: 12528#(< |ULTIMATE.start_main_~j~1#1| 24), Black: 333#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 12253#(< |ULTIMATE.start_main_~j~1#1| 25), Black: 11142#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 11978#(< |ULTIMATE.start_main_~j~1#1| 26), Black: 529#(= |ULTIMATE.start_main_~j~1#1| 0), Black: 11428#(< |ULTIMATE.start_main_~j~1#1| 28), Black: 10865#(<= |ULTIMATE.start_main_~j~1#1| 7), 61#L1044-2true, Black: 5914#(< |ULTIMATE.start_main_~j~1#1| 28), Black: 5628#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 5375#(<= |ULTIMATE.start_main_~j~1#1| 3), Black: 5639#(< |ULTIMATE.start_main_~j~1#1| 29), 4413#true, Black: 8796#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 2 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 3 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 8784#(= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0), Black: 8788#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 8792#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 2 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), 3339#true, Black: 17630#(= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0), Black: 17638#(and (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) 0)), Black: 17634#(and (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) 0)), 6619#true, Black: 17642#(and (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 3)) 0)), 13269#true, 2287#true, 1752#(= 0 |ULTIMATE.start_new_#res#1.offset|), Black: 4406#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= 0 (select (select |#race| |~#c~0.base|) (+ 3 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))))), fThread1of1ForFork0InUse, Black: 4394#(= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0), fThread1of1ForFork1InUse, Black: 4402#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0)), Black: 4398#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0))]) [2023-11-29 01:34:00,831 INFO L294 olderBase$Statistics]: this new event has 2914 ancestors and is cut-off event [2023-11-29 01:34:00,832 INFO L297 olderBase$Statistics]: existing Event has 2887 ancestors and is cut-off event [2023-11-29 01:34:00,832 INFO L297 olderBase$Statistics]: existing Event has 2887 ancestors and is cut-off event [2023-11-29 01:34:00,832 INFO L297 olderBase$Statistics]: existing Event has 2887 ancestors and is cut-off event [2023-11-29 01:34:03,623 INFO L124 PetriNetUnfolderBase]: 525/8546 cut-off events. [2023-11-29 01:34:03,623 INFO L125 PetriNetUnfolderBase]: For 6097/6215 co-relation queries the response was YES. [2023-11-29 01:34:03,638 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12199 conditions, 8546 events. 525/8546 cut-off events. For 6097/6215 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 25039 event pairs, 115 based on Foata normal form. 66/8300 useless extension candidates. Maximal degree in co-relation 8892. Up to 318 conditions per place. [2023-11-29 01:34:03,648 INFO L140 encePairwiseOnDemand]: 316/322 looper letters, 42 selfloop transitions, 90 changer transitions 0/520 dead transitions. [2023-11-29 01:34:03,648 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 488 places, 520 transitions, 2978 flow [2023-11-29 01:34:03,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-11-29 01:34:03,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2023-11-29 01:34:03,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 26967 transitions. [2023-11-29 01:34:03,670 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9305383022774327 [2023-11-29 01:34:03,670 INFO L72 ComplementDD]: Start complementDD. Operand 90 states and 26967 transitions. [2023-11-29 01:34:03,670 INFO L73 IsDeterministic]: Start isDeterministic. Operand 90 states and 26967 transitions. [2023-11-29 01:34:03,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:34:03,676 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 90 states and 26967 transitions. [2023-11-29 01:34:03,704 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 91 states, 90 states have (on average 299.6333333333333) internal successors, (26967), 90 states have internal predecessors, (26967), 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) [2023-11-29 01:34:03,722 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 91 states, 91 states have (on average 322.0) internal successors, (29302), 91 states have internal predecessors, (29302), 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) [2023-11-29 01:34:03,726 INFO L81 ComplementDD]: Finished complementDD. Result has 91 states, 91 states have (on average 322.0) internal successors, (29302), 91 states have internal predecessors, (29302), 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) [2023-11-29 01:34:03,726 INFO L175 Difference]: Start difference. First operand has 399 places, 448 transitions, 1998 flow. Second operand 90 states and 26967 transitions. [2023-11-29 01:34:03,726 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 488 places, 520 transitions, 2978 flow [2023-11-29 01:34:03,816 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 488 places, 520 transitions, 2978 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 01:34:03,822 INFO L231 Difference]: Finished difference. Result has 504 places, 494 transitions, 2652 flow [2023-11-29 01:34:03,822 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=1998, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=448, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=401, PETRI_DIFFERENCE_SUBTRAHEND_STATES=90, PETRI_FLOW=2652, PETRI_PLACES=504, PETRI_TRANSITIONS=494} [2023-11-29 01:34:03,823 INFO L281 CegarLoopForPetriNet]: 312 programPoint places, 192 predicate places. [2023-11-29 01:34:03,823 INFO L495 AbstractCegarLoop]: Abstraction has has 504 places, 494 transitions, 2652 flow [2023-11-29 01:34:03,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 300.04918032786884) internal successors, (18303), 61 states have internal predecessors, (18303), 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) [2023-11-29 01:34:03,824 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:34:03,825 INFO L208 CegarLoopForPetriNet]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:34:03,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-11-29 01:34:04,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-29 01:34:04,027 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting fErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2023-11-29 01:34:04,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:34:04,030 INFO L85 PathProgramCache]: Analyzing trace with hash -540555678, now seen corresponding path program 2 times [2023-11-29 01:34:04,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:34:04,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211553178] [2023-11-29 01:34:04,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:34:04,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:34:04,430 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:34:04,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2139934890] [2023-11-29 01:34:04,430 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 01:34:04,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:34:04,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:34:04,431 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:34:04,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-29 01:34:05,734 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 01:34:05,734 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:34:05,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 01:34:05,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:34:05,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 01:34:05,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-11-29 01:34:05,845 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:34:05,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2023-11-29 01:34:05,867 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:34:05,867 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2023-11-29 01:34:05,902 INFO L134 CoverageAnalysis]: Checked inductivity of 39616 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39616 trivial. 0 not checked. [2023-11-29 01:34:05,902 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:34:05,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:34:05,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211553178] [2023-11-29 01:34:05,903 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:34:05,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139934890] [2023-11-29 01:34:05,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139934890] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:34:05,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:34:05,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:34:05,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451279529] [2023-11-29 01:34:05,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:34:05,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:34:05,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:34:05,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:34:05,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:34:06,408 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 322 [2023-11-29 01:34:06,409 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 504 places, 494 transitions, 2652 flow. Second operand has 6 states, 6 states have (on average 260.6666666666667) internal successors, (1564), 6 states have internal predecessors, (1564), 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) [2023-11-29 01:34:06,409 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:34:06,409 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 322 [2023-11-29 01:34:06,409 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:34:13,082 INFO L124 PetriNetUnfolderBase]: 566/8409 cut-off events. [2023-11-29 01:34:13,082 INFO L125 PetriNetUnfolderBase]: For 5853/6132 co-relation queries the response was YES. [2023-11-29 01:34:13,098 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14575 conditions, 8409 events. 566/8409 cut-off events. For 5853/6132 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 24352 event pairs, 84 based on Foata normal form. 112/8304 useless extension candidates. Maximal degree in co-relation 10677. Up to 2396 conditions per place. [2023-11-29 01:34:13,108 INFO L140 encePairwiseOnDemand]: 311/322 looper letters, 141 selfloop transitions, 79 changer transitions 0/567 dead transitions. [2023-11-29 01:34:13,109 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 509 places, 567 transitions, 3630 flow [2023-11-29 01:34:13,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:34:13,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 01:34:13,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1608 transitions. [2023-11-29 01:34:13,111 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8322981366459627 [2023-11-29 01:34:13,111 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1608 transitions. [2023-11-29 01:34:13,111 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1608 transitions. [2023-11-29 01:34:13,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:34:13,112 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1608 transitions. [2023-11-29 01:34:13,114 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 268.0) internal successors, (1608), 6 states have internal predecessors, (1608), 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) [2023-11-29 01:34:13,115 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 322.0) internal successors, (2254), 7 states have internal predecessors, (2254), 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) [2023-11-29 01:34:13,116 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 322.0) internal successors, (2254), 7 states have internal predecessors, (2254), 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) [2023-11-29 01:34:13,116 INFO L175 Difference]: Start difference. First operand has 504 places, 494 transitions, 2652 flow. Second operand 6 states and 1608 transitions. [2023-11-29 01:34:13,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 509 places, 567 transitions, 3630 flow [2023-11-29 01:34:13,147 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 467 places, 567 transitions, 3512 flow, removed 17 selfloop flow, removed 42 redundant places. [2023-11-29 01:34:13,153 INFO L231 Difference]: Finished difference. Result has 472 places, 559 transitions, 3432 flow [2023-11-29 01:34:13,154 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=2534, PETRI_DIFFERENCE_MINUEND_PLACES=462, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=494, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=451, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3432, PETRI_PLACES=472, PETRI_TRANSITIONS=559} [2023-11-29 01:34:13,154 INFO L281 CegarLoopForPetriNet]: 312 programPoint places, 160 predicate places. [2023-11-29 01:34:13,154 INFO L495 AbstractCegarLoop]: Abstraction has has 472 places, 559 transitions, 3432 flow [2023-11-29 01:34:13,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 260.6666666666667) internal successors, (1564), 6 states have internal predecessors, (1564), 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) [2023-11-29 01:34:13,155 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:34:13,156 INFO L208 CegarLoopForPetriNet]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:34:13,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-11-29 01:34:13,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-29 01:34:13,357 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting fErr2ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2023-11-29 01:34:13,358 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:34:13,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1665639684, now seen corresponding path program 1 times [2023-11-29 01:34:13,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:34:13,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547864081] [2023-11-29 01:34:13,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:34:13,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:34:13,729 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:34:13,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1131443667] [2023-11-29 01:34:13,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:34:13,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:34:13,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:34:13,731 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:34:13,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-29 01:34:16,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:34:16,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 11392 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 01:34:16,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:34:18,988 INFO L134 CoverageAnalysis]: Checked inductivity of 39616 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 39615 trivial. 0 not checked. [2023-11-29 01:34:18,989 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:34:21,468 INFO L134 CoverageAnalysis]: Checked inductivity of 39616 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 39615 trivial. 0 not checked. [2023-11-29 01:34:21,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:34:21,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547864081] [2023-11-29 01:34:21,468 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:34:21,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1131443667] [2023-11-29 01:34:21,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1131443667] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:34:21,468 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:34:21,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-29 01:34:21,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438871755] [2023-11-29 01:34:21,471 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:34:21,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:34:21,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:34:21,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:34:21,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:34:21,509 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 322 [2023-11-29 01:34:21,511 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 472 places, 559 transitions, 3432 flow. Second operand has 8 states, 8 states have (on average 300.0) internal successors, (2400), 8 states have internal predecessors, (2400), 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) [2023-11-29 01:34:21,511 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:34:21,511 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 322 [2023-11-29 01:34:21,511 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:34:34,827 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([595] L1039-3-->L1044-2: Formula: (and (= (store |v_#pthreadsMutex_12| |v_~#c~0.base_21| (store (select |v_#pthreadsMutex_12| |v_~#c~0.base_21|) (+ (* |v_fThread1of1ForFork0_~j~0#1_29| 24) |v_~#c~0.offset_19| 80) 0)) |v_#pthreadsMutex_11|) (= |v_fThread1of1ForFork0_#t~nondet20#1_1| 0)) InVars {~#c~0.base=|v_~#c~0.base_21|, #pthreadsMutex=|v_#pthreadsMutex_12|, fThread1of1ForFork0_~j~0#1=|v_fThread1of1ForFork0_~j~0#1_29|, ~#c~0.offset=|v_~#c~0.offset_19|} OutVars{~#c~0.base=|v_~#c~0.base_21|, #pthreadsMutex=|v_#pthreadsMutex_11|, fThread1of1ForFork0_~j~0#1=|v_fThread1of1ForFork0_~j~0#1_29|, fThread1of1ForFork0_#t~nondet20#1=|v_fThread1of1ForFork0_#t~nondet20#1_1|, ~#c~0.offset=|v_~#c~0.offset_19|} AuxVars[] AssignedVars[#pthreadsMutex, fThread1of1ForFork0_#t~nondet20#1][344], [154#L1044-2true, Black: 2916#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 2699#(<= |ULTIMATE.start_main_~j~1#1| 1), 17649#true, Black: 529#(= |ULTIMATE.start_main_~j~1#1| 0), 35108#true, Black: 35093#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), Black: 35101#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 3 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), Black: 35089#(= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0), Black: 35097#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), 6619#true, 1752#(= 0 |ULTIMATE.start_new_#res#1.offset|), Black: 4406#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= 0 (select (select |#race| |~#c~0.base|) (+ 3 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))))), fThread1of1ForFork0InUse, Black: 4394#(= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0), fThread1of1ForFork1InUse, Black: 4402#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0)), Black: 4398#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0)), 8803#true, 229#ULTIMATE.startFINALtrue, Black: 11153#(< |ULTIMATE.start_main_~j~1#1| 29), Black: 11703#(< |ULTIMATE.start_main_~j~1#1| 27), Black: 12528#(< |ULTIMATE.start_main_~j~1#1| 24), Black: 333#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 12253#(< |ULTIMATE.start_main_~j~1#1| 25), Black: 11142#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 11978#(< |ULTIMATE.start_main_~j~1#1| 26), Black: 11428#(< |ULTIMATE.start_main_~j~1#1| 28), Black: 10865#(<= |ULTIMATE.start_main_~j~1#1| 7), 61#L1044-2true, Black: 5914#(< |ULTIMATE.start_main_~j~1#1| 28), Black: 5628#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 5375#(<= |ULTIMATE.start_main_~j~1#1| 3), Black: 5639#(< |ULTIMATE.start_main_~j~1#1| 29), 4413#true, Black: 8796#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 2 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 3 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 8784#(= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0), Black: 8788#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 8792#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 2 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), 3339#true, Black: 21911#(<= |ULTIMATE.start_main_~j~1#1| 15), Black: 24985#(< |ULTIMATE.start_main_~j~1#1| 19), Black: 23610#(< |ULTIMATE.start_main_~j~1#1| 24), Black: 25535#(< |ULTIMATE.start_main_~j~1#1| 17), Black: 23335#(< |ULTIMATE.start_main_~j~1#1| 25), Black: 24710#(< |ULTIMATE.start_main_~j~1#1| 20), Black: 17630#(= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0), Black: 17638#(and (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) 0)), Black: 22224#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 17634#(and (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) 0)), Black: 24435#(< |ULTIMATE.start_main_~j~1#1| 21), 13269#true, Black: 17642#(and (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 3)) 0)), Black: 22510#(< |ULTIMATE.start_main_~j~1#1| 28), 2287#true, Black: 23060#(< |ULTIMATE.start_main_~j~1#1| 26), Black: 22235#(< |ULTIMATE.start_main_~j~1#1| 29), Black: 25260#(< |ULTIMATE.start_main_~j~1#1| 18), Black: 24160#(< |ULTIMATE.start_main_~j~1#1| 22), Black: 23885#(< |ULTIMATE.start_main_~j~1#1| 23), Black: 22785#(< |ULTIMATE.start_main_~j~1#1| 27), 26615#true]) [2023-11-29 01:34:34,827 INFO L294 olderBase$Statistics]: this new event has 8432 ancestors and is cut-off event [2023-11-29 01:34:34,827 INFO L297 olderBase$Statistics]: existing Event has 8405 ancestors and is cut-off event [2023-11-29 01:34:34,827 INFO L297 olderBase$Statistics]: existing Event has 8405 ancestors and is cut-off event [2023-11-29 01:34:34,827 INFO L297 olderBase$Statistics]: existing Event has 8405 ancestors and is cut-off event [2023-11-29 01:34:37,849 INFO L124 PetriNetUnfolderBase]: 709/12001 cut-off events. [2023-11-29 01:34:37,849 INFO L125 PetriNetUnfolderBase]: For 8287/8521 co-relation queries the response was YES. [2023-11-29 01:34:37,873 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17980 conditions, 12001 events. 709/12001 cut-off events. For 8287/8521 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 28831 event pairs, 130 based on Foata normal form. 88/11761 useless extension candidates. Maximal degree in co-relation 12464. Up to 376 conditions per place. [2023-11-29 01:34:37,886 INFO L140 encePairwiseOnDemand]: 316/322 looper letters, 15 selfloop transitions, 9 changer transitions 0/567 dead transitions. [2023-11-29 01:34:37,886 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 480 places, 567 transitions, 3498 flow [2023-11-29 01:34:37,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 01:34:37,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-29 01:34:37,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2708 transitions. [2023-11-29 01:34:37,888 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9344375431331953 [2023-11-29 01:34:37,888 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2708 transitions. [2023-11-29 01:34:37,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2708 transitions. [2023-11-29 01:34:37,889 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:34:37,889 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2708 transitions. [2023-11-29 01:34:37,892 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 300.8888888888889) internal successors, (2708), 9 states have internal predecessors, (2708), 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) [2023-11-29 01:34:37,894 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 322.0) internal successors, (3220), 10 states have internal predecessors, (3220), 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) [2023-11-29 01:34:37,894 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 322.0) internal successors, (3220), 10 states have internal predecessors, (3220), 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) [2023-11-29 01:34:37,894 INFO L175 Difference]: Start difference. First operand has 472 places, 559 transitions, 3432 flow. Second operand 9 states and 2708 transitions. [2023-11-29 01:34:37,895 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 480 places, 567 transitions, 3498 flow [2023-11-29 01:34:37,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 480 places, 567 transitions, 3498 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 01:34:37,957 INFO L231 Difference]: Finished difference. Result has 483 places, 565 transitions, 3482 flow [2023-11-29 01:34:37,958 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=3432, PETRI_DIFFERENCE_MINUEND_PLACES=472, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=559, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=553, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3482, PETRI_PLACES=483, PETRI_TRANSITIONS=565} [2023-11-29 01:34:37,958 INFO L281 CegarLoopForPetriNet]: 312 programPoint places, 171 predicate places. [2023-11-29 01:34:37,958 INFO L495 AbstractCegarLoop]: Abstraction has has 483 places, 565 transitions, 3482 flow [2023-11-29 01:34:37,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 300.0) internal successors, (2400), 8 states have internal predecessors, (2400), 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) [2023-11-29 01:34:37,959 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:34:37,962 INFO L208 CegarLoopForPetriNet]: trace histogram [90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:34:37,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-11-29 01:34:38,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:34:38,164 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting fErr2ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2023-11-29 01:34:38,165 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:34:38,170 INFO L85 PathProgramCache]: Analyzing trace with hash 237006052, now seen corresponding path program 2 times [2023-11-29 01:34:38,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:34:38,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356659551] [2023-11-29 01:34:38,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:34:38,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:34:39,357 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:34:39,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [598056724] [2023-11-29 01:34:39,357 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 01:34:39,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:34:39,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:34:39,358 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:34:39,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-29 01:34:42,780 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 01:34:42,780 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:34:42,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 01:34:42,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:34:43,002 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 01:34:43,008 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-11-29 01:34:43,018 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:34:43,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2023-11-29 01:34:43,035 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:34:43,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2023-11-29 01:34:43,073 INFO L134 CoverageAnalysis]: Checked inductivity of 364815 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364815 trivial. 0 not checked. [2023-11-29 01:34:43,073 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:34:43,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:34:43,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356659551] [2023-11-29 01:34:43,073 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:34:43,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [598056724] [2023-11-29 01:34:43,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [598056724] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:34:43,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:34:43,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:34:43,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273062251] [2023-11-29 01:34:43,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:34:43,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:34:43,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:34:43,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:34:43,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:34:43,513 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 322 [2023-11-29 01:34:43,514 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 483 places, 565 transitions, 3482 flow. Second operand has 6 states, 6 states have (on average 240.83333333333334) internal successors, (1445), 6 states have internal predecessors, (1445), 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) [2023-11-29 01:34:43,514 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:34:43,514 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 322 [2023-11-29 01:34:43,514 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:35:06,848 INFO L124 PetriNetUnfolderBase]: 1594/13469 cut-off events. [2023-11-29 01:35:06,849 INFO L125 PetriNetUnfolderBase]: For 10126/10283 co-relation queries the response was YES. [2023-11-29 01:35:06,880 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26230 conditions, 13469 events. 1594/13469 cut-off events. For 10126/10283 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 42897 event pairs, 515 based on Foata normal form. 67/13168 useless extension candidates. Maximal degree in co-relation 18833. Up to 5562 conditions per place. [2023-11-29 01:35:06,901 INFO L140 encePairwiseOnDemand]: 299/322 looper letters, 216 selfloop transitions, 125 changer transitions 0/663 dead transitions. [2023-11-29 01:35:06,901 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 488 places, 663 transitions, 4652 flow [2023-11-29 01:35:06,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:35:06,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 01:35:06,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1550 transitions. [2023-11-29 01:35:06,903 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8022774327122153 [2023-11-29 01:35:06,903 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1550 transitions. [2023-11-29 01:35:06,903 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1550 transitions. [2023-11-29 01:35:06,903 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:35:06,903 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1550 transitions. [2023-11-29 01:35:06,904 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 258.3333333333333) internal successors, (1550), 6 states have internal predecessors, (1550), 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) [2023-11-29 01:35:06,905 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 322.0) internal successors, (2254), 7 states have internal predecessors, (2254), 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) [2023-11-29 01:35:06,905 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 322.0) internal successors, (2254), 7 states have internal predecessors, (2254), 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) [2023-11-29 01:35:06,905 INFO L175 Difference]: Start difference. First operand has 483 places, 565 transitions, 3482 flow. Second operand 6 states and 1550 transitions. [2023-11-29 01:35:06,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 488 places, 663 transitions, 4652 flow [2023-11-29 01:35:06,945 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 487 places, 663 transitions, 4646 flow, removed 2 selfloop flow, removed 1 redundant places. [2023-11-29 01:35:06,953 INFO L231 Difference]: Finished difference. Result has 492 places, 651 transitions, 4504 flow [2023-11-29 01:35:06,953 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=3476, PETRI_DIFFERENCE_MINUEND_PLACES=482, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=565, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=491, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4504, PETRI_PLACES=492, PETRI_TRANSITIONS=651} [2023-11-29 01:35:06,954 INFO L281 CegarLoopForPetriNet]: 312 programPoint places, 180 predicate places. [2023-11-29 01:35:06,954 INFO L495 AbstractCegarLoop]: Abstraction has has 492 places, 651 transitions, 4504 flow [2023-11-29 01:35:06,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 240.83333333333334) internal successors, (1445), 6 states have internal predecessors, (1445), 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) [2023-11-29 01:35:06,954 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:35:06,957 INFO L208 CegarLoopForPetriNet]: trace histogram [90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:35:06,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2023-11-29 01:35:07,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:35:07,159 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting fErr2ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2023-11-29 01:35:07,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:35:07,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1552529991, now seen corresponding path program 1 times [2023-11-29 01:35:07,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:35:07,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057588062] [2023-11-29 01:35:07,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:35:07,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:35:08,465 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:35:08,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [532846322] [2023-11-29 01:35:08,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:35:08,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:35:08,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:35:08,467 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:35:08,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-29 01:35:16,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:35:16,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 33762 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 01:35:16,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:35:24,634 INFO L134 CoverageAnalysis]: Checked inductivity of 364815 backedges. 0 proven. 245970 refuted. 0 times theorem prover too weak. 118845 trivial. 0 not checked. [2023-11-29 01:35:24,634 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:35:32,210 INFO L134 CoverageAnalysis]: Checked inductivity of 364815 backedges. 0 proven. 245970 refuted. 0 times theorem prover too weak. 118845 trivial. 0 not checked. [2023-11-29 01:35:32,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:35:32,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057588062] [2023-11-29 01:35:32,211 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:35:32,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532846322] [2023-11-29 01:35:32,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [532846322] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:35:32,211 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:35:32,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2023-11-29 01:35:32,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312860273] [2023-11-29 01:35:32,217 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:35:32,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-29 01:35:32,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:35:32,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-29 01:35:32,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2023-11-29 01:35:32,284 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 322 [2023-11-29 01:35:32,288 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 492 places, 651 transitions, 4504 flow. Second operand has 16 states, 16 states have (on average 300.0625) internal successors, (4801), 16 states have internal predecessors, (4801), 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) [2023-11-29 01:35:32,288 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:35:32,288 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 322 [2023-11-29 01:35:32,288 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:36:22,642 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([595] L1039-3-->L1044-2: Formula: (and (= (store |v_#pthreadsMutex_12| |v_~#c~0.base_21| (store (select |v_#pthreadsMutex_12| |v_~#c~0.base_21|) (+ (* |v_fThread1of1ForFork0_~j~0#1_29| 24) |v_~#c~0.offset_19| 80) 0)) |v_#pthreadsMutex_11|) (= |v_fThread1of1ForFork0_#t~nondet20#1_1| 0)) InVars {~#c~0.base=|v_~#c~0.base_21|, #pthreadsMutex=|v_#pthreadsMutex_12|, fThread1of1ForFork0_~j~0#1=|v_fThread1of1ForFork0_~j~0#1_29|, ~#c~0.offset=|v_~#c~0.offset_19|} OutVars{~#c~0.base=|v_~#c~0.base_21|, #pthreadsMutex=|v_#pthreadsMutex_11|, fThread1of1ForFork0_~j~0#1=|v_fThread1of1ForFork0_~j~0#1_29|, fThread1of1ForFork0_#t~nondet20#1=|v_fThread1of1ForFork0_#t~nondet20#1_1|, ~#c~0.offset=|v_~#c~0.offset_19|} AuxVars[] AssignedVars[#pthreadsMutex, fThread1of1ForFork0_#t~nondet20#1][360], [Black: 43452#(<= |ULTIMATE.start_main_~i~0#1| 1), 154#L1044-2true, Black: 43747#(< |ULTIMATE.start_main_~i~0#1| 10), Black: 2916#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 2699#(<= |ULTIMATE.start_main_~j~1#1| 1), 17649#true, Black: 529#(= |ULTIMATE.start_main_~j~1#1| 0), 35108#true, Black: 35093#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), Black: 35101#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 3 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), Black: 35089#(= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0), 52102#true, Black: 35097#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), 77155#true, 6619#true, 1752#(= 0 |ULTIMATE.start_new_#res#1.offset|), Black: 4406#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= 0 (select (select |#race| |~#c~0.base|) (+ 3 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))))), fThread1of1ForFork0InUse, Black: 4394#(= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0), fThread1of1ForFork1InUse, Black: 4402#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0)), Black: 4398#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0)), 8803#true, 229#ULTIMATE.startFINALtrue, Black: 11153#(< |ULTIMATE.start_main_~j~1#1| 29), Black: 11703#(< |ULTIMATE.start_main_~j~1#1| 27), Black: 12528#(< |ULTIMATE.start_main_~j~1#1| 24), Black: 333#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 12253#(< |ULTIMATE.start_main_~j~1#1| 25), Black: 11142#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 11978#(< |ULTIMATE.start_main_~j~1#1| 26), Black: 11428#(< |ULTIMATE.start_main_~j~1#1| 28), Black: 10865#(<= |ULTIMATE.start_main_~j~1#1| 7), 61#L1044-2true, Black: 5914#(< |ULTIMATE.start_main_~j~1#1| 28), Black: 5628#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 5375#(<= |ULTIMATE.start_main_~j~1#1| 3), Black: 5639#(< |ULTIMATE.start_main_~j~1#1| 29), 4413#true, Black: 8796#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 2 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 3 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 77144#(and (= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|)) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) |fThread1of1ForFork1_#t~nondet18#1|) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) |fThread1of1ForFork1_#t~nondet18#1|)), Black: 8784#(= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0), Black: 77140#(and (= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|)) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) |fThread1of1ForFork1_#t~nondet18#1|)), Black: 8788#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 77148#(and (= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|)) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) |fThread1of1ForFork1_#t~nondet18#1|) (= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 3))) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) |fThread1of1ForFork1_#t~nondet18#1|)), Black: 8792#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 2 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 77136#(= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|)), 3339#true, Black: 21911#(<= |ULTIMATE.start_main_~j~1#1| 15), Black: 24985#(< |ULTIMATE.start_main_~j~1#1| 19), Black: 23610#(< |ULTIMATE.start_main_~j~1#1| 24), Black: 25535#(< |ULTIMATE.start_main_~j~1#1| 17), Black: 23335#(< |ULTIMATE.start_main_~j~1#1| 25), Black: 24710#(< |ULTIMATE.start_main_~j~1#1| 20), Black: 17630#(= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0), Black: 17638#(and (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) 0)), Black: 22224#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 17634#(and (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) 0)), Black: 24435#(< |ULTIMATE.start_main_~j~1#1| 21), Black: 17642#(and (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 3)) 0)), 13269#true, Black: 22510#(< |ULTIMATE.start_main_~j~1#1| 28), 2287#true, Black: 23060#(< |ULTIMATE.start_main_~j~1#1| 26), Black: 22235#(< |ULTIMATE.start_main_~j~1#1| 29), Black: 25260#(< |ULTIMATE.start_main_~j~1#1| 18), Black: 24160#(< |ULTIMATE.start_main_~j~1#1| 22), Black: 23885#(< |ULTIMATE.start_main_~j~1#1| 23), Black: 22785#(< |ULTIMATE.start_main_~j~1#1| 27), 26615#true]) [2023-11-29 01:36:22,642 INFO L294 olderBase$Statistics]: this new event has 19468 ancestors and is cut-off event [2023-11-29 01:36:22,642 INFO L297 olderBase$Statistics]: existing Event has 19441 ancestors and is cut-off event [2023-11-29 01:36:22,642 INFO L297 olderBase$Statistics]: existing Event has 19441 ancestors and is cut-off event [2023-11-29 01:36:22,643 INFO L297 olderBase$Statistics]: existing Event has 19441 ancestors and is cut-off event [2023-11-29 01:36:32,631 INFO L124 PetriNetUnfolderBase]: 1102/24052 cut-off events. [2023-11-29 01:36:32,631 INFO L125 PetriNetUnfolderBase]: For 17030/17343 co-relation queries the response was YES. [2023-11-29 01:36:32,698 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35482 conditions, 24052 events. 1102/24052 cut-off events. For 17030/17343 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 37922 event pairs, 159 based on Foata normal form. 103/23794 useless extension candidates. Maximal degree in co-relation 28269. Up to 652 conditions per place. [2023-11-29 01:36:32,724 INFO L140 encePairwiseOnDemand]: 316/322 looper letters, 19 selfloop transitions, 21 changer transitions 0/669 dead transitions. [2023-11-29 01:36:32,724 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 512 places, 669 transitions, 4672 flow [2023-11-29 01:36:32,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-29 01:36:32,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2023-11-29 01:36:32,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 6302 transitions. [2023-11-29 01:36:32,729 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9319727891156463 [2023-11-29 01:36:32,729 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 6302 transitions. [2023-11-29 01:36:32,729 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 6302 transitions. [2023-11-29 01:36:32,730 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:36:32,730 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 6302 transitions. [2023-11-29 01:36:32,733 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 300.0952380952381) internal successors, (6302), 21 states have internal predecessors, (6302), 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) [2023-11-29 01:36:32,736 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 322.0) internal successors, (7084), 22 states have internal predecessors, (7084), 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) [2023-11-29 01:36:32,736 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 322.0) internal successors, (7084), 22 states have internal predecessors, (7084), 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) [2023-11-29 01:36:32,737 INFO L175 Difference]: Start difference. First operand has 492 places, 651 transitions, 4504 flow. Second operand 21 states and 6302 transitions. [2023-11-29 01:36:32,737 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 512 places, 669 transitions, 4672 flow [2023-11-29 01:36:32,798 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 512 places, 669 transitions, 4552 flow, removed 60 selfloop flow, removed 0 redundant places. [2023-11-29 01:36:32,805 INFO L231 Difference]: Finished difference. Result has 517 places, 664 transitions, 4514 flow [2023-11-29 01:36:32,806 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=4384, PETRI_DIFFERENCE_MINUEND_PLACES=492, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=651, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=640, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=4514, PETRI_PLACES=517, PETRI_TRANSITIONS=664} [2023-11-29 01:36:32,806 INFO L281 CegarLoopForPetriNet]: 312 programPoint places, 205 predicate places. [2023-11-29 01:36:32,806 INFO L495 AbstractCegarLoop]: Abstraction has has 517 places, 664 transitions, 4514 flow [2023-11-29 01:36:32,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 300.0625) internal successors, (4801), 16 states have internal predecessors, (4801), 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) [2023-11-29 01:36:32,807 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:36:32,813 INFO L208 CegarLoopForPetriNet]: trace histogram [210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:36:32,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2023-11-29 01:36:33,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2023-11-29 01:36:33,015 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting fErr2ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2023-11-29 01:36:33,015 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:33,028 INFO L85 PathProgramCache]: Analyzing trace with hash 2051056135, now seen corresponding path program 2 times [2023-11-29 01:36:33,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:33,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076746267] [2023-11-29 01:36:33,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:33,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:35,551 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:36:35,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [924935012] [2023-11-29 01:36:35,552 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 01:36:35,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:36:35,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:35,553 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:36:35,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-29 01:36:43,350 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 01:36:43,351 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:36:43,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 01:36:43,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:36:44,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 01:36:44,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-11-29 01:36:44,275 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:36:44,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2023-11-29 01:36:44,295 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:36:44,295 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2023-11-29 01:36:44,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1999081 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1999081 trivial. 0 not checked. [2023-11-29 01:36:44,374 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:36:44,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:36:44,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076746267] [2023-11-29 01:36:44,374 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:36:44,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [924935012] [2023-11-29 01:36:44,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [924935012] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:36:44,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:36:44,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:36:44,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478084953] [2023-11-29 01:36:44,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:36:44,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:36:44,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:36:44,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:36:44,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:36:44,698 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 322 [2023-11-29 01:36:44,699 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 517 places, 664 transitions, 4514 flow. Second operand has 6 states, 6 states have (on average 241.0) internal successors, (1446), 6 states have internal predecessors, (1446), 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) [2023-11-29 01:36:44,699 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:36:44,699 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 322 [2023-11-29 01:36:44,699 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:38:19,709 INFO L124 PetriNetUnfolderBase]: 1884/25257 cut-off events. [2023-11-29 01:38:19,710 INFO L125 PetriNetUnfolderBase]: For 19780/19941 co-relation queries the response was YES. [2023-11-29 01:38:19,795 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47175 conditions, 25257 events. 1884/25257 cut-off events. For 19780/19941 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 50277 event pairs, 533 based on Foata normal form. 28/24900 useless extension candidates. Maximal degree in co-relation 39541. Up to 9774 conditions per place. [2023-11-29 01:38:19,834 INFO L140 encePairwiseOnDemand]: 299/322 looper letters, 271 selfloop transitions, 140 changer transitions 0/764 dead transitions. [2023-11-29 01:38:19,834 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 522 places, 764 transitions, 5922 flow [2023-11-29 01:38:19,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:38:19,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 01:38:19,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1546 transitions. [2023-11-29 01:38:19,837 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8002070393374742 [2023-11-29 01:38:19,837 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1546 transitions. [2023-11-29 01:38:19,837 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1546 transitions. [2023-11-29 01:38:19,838 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:38:19,838 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1546 transitions. [2023-11-29 01:38:19,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 257.6666666666667) internal successors, (1546), 6 states have internal predecessors, (1546), 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) [2023-11-29 01:38:19,841 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 322.0) internal successors, (2254), 7 states have internal predecessors, (2254), 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) [2023-11-29 01:38:19,841 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 322.0) internal successors, (2254), 7 states have internal predecessors, (2254), 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) [2023-11-29 01:38:19,841 INFO L175 Difference]: Start difference. First operand has 517 places, 664 transitions, 4514 flow. Second operand 6 states and 1546 transitions. [2023-11-29 01:38:19,842 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 522 places, 764 transitions, 5922 flow [2023-11-29 01:38:19,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 516 places, 764 transitions, 5898 flow, removed 6 selfloop flow, removed 6 redundant places. [2023-11-29 01:38:19,930 INFO L231 Difference]: Finished difference. Result has 521 places, 756 transitions, 5704 flow [2023-11-29 01:38:19,930 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=4490, PETRI_DIFFERENCE_MINUEND_PLACES=511, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=664, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=575, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=5704, PETRI_PLACES=521, PETRI_TRANSITIONS=756} [2023-11-29 01:38:19,931 INFO L281 CegarLoopForPetriNet]: 312 programPoint places, 209 predicate places. [2023-11-29 01:38:19,931 INFO L495 AbstractCegarLoop]: Abstraction has has 521 places, 756 transitions, 5704 flow [2023-11-29 01:38:19,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 241.0) internal successors, (1446), 6 states have internal predecessors, (1446), 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) [2023-11-29 01:38:19,931 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:38:19,937 INFO L208 CegarLoopForPetriNet]: trace histogram [210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:38:19,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-11-29 01:38:20,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:38:20,139 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting fErr3ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2023-11-29 01:38:20,139 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:38:20,151 INFO L85 PathProgramCache]: Analyzing trace with hash 180492716, now seen corresponding path program 1 times [2023-11-29 01:38:20,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:38:20,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408652228] [2023-11-29 01:38:20,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:38:20,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:38:22,684 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:38:22,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [211930447] [2023-11-29 01:38:22,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:38:22,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:38:22,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:38:22,686 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:38:22,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-29 01:38:42,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:38:43,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 78449 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-29 01:38:43,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:39:00,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1999081 backedges. 0 proven. 1721776 refuted. 0 times theorem prover too weak. 277305 trivial. 0 not checked. [2023-11-29 01:39:00,622 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:39:18,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1999081 backedges. 0 proven. 1721776 refuted. 0 times theorem prover too weak. 277305 trivial. 0 not checked. [2023-11-29 01:39:18,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:39:18,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408652228] [2023-11-29 01:39:18,587 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:39:18,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211930447] [2023-11-29 01:39:18,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [211930447] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:39:18,587 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:39:18,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 21 [2023-11-29 01:39:18,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65633885] [2023-11-29 01:39:18,598 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:39:18,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-29 01:39:18,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:39:18,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-29 01:39:18,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2023-11-29 01:39:18,659 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 322 [2023-11-29 01:39:18,662 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 521 places, 756 transitions, 5704 flow. Second operand has 21 states, 21 states have (on average 300.0952380952381) internal successors, (6302), 21 states have internal predecessors, (6302), 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) [2023-11-29 01:39:18,662 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:39:18,662 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 322 [2023-11-29 01:39:18,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:40:59,455 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([679] L1040-9-->L1040-10: Formula: (= (store |v_#race_22| |v_fThread1of1ForFork1_~pos~0#1.base_25| (store (select |v_#race_22| |v_fThread1of1ForFork1_~pos~0#1.base_25|) |v_fThread1of1ForFork1_~pos~0#1.offset_25| |v_fThread1of1ForFork1_#t~nondet18#1_3|)) |v_#race_21|) InVars {#race=|v_#race_22|, fThread1of1ForFork1_~pos~0#1.base=|v_fThread1of1ForFork1_~pos~0#1.base_25|, fThread1of1ForFork1_~pos~0#1.offset=|v_fThread1of1ForFork1_~pos~0#1.offset_25|, fThread1of1ForFork1_#t~nondet18#1=|v_fThread1of1ForFork1_#t~nondet18#1_3|} OutVars{#race=|v_#race_21|, fThread1of1ForFork1_~pos~0#1.base=|v_fThread1of1ForFork1_~pos~0#1.base_25|, fThread1of1ForFork1_~pos~0#1.offset=|v_fThread1of1ForFork1_~pos~0#1.offset_25|, fThread1of1ForFork1_#t~nondet18#1=|v_fThread1of1ForFork1_#t~nondet18#1_3|} AuxVars[] AssignedVars[#race][720], [Black: 43452#(<= |ULTIMATE.start_main_~i~0#1| 1), Black: 43747#(< |ULTIMATE.start_main_~i~0#1| 10), Black: 2916#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 2699#(<= |ULTIMATE.start_main_~j~1#1| 1), 17649#true, Black: 529#(= |ULTIMATE.start_main_~j~1#1| 0), Black: 185479#(= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet18#1|), Black: 185487#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) |fThread1of1ForFork0_#t~nondet18#1|) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet18#1|) (= |fThread1of1ForFork0_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)))), 35108#true, Black: 185483#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) |fThread1of1ForFork0_#t~nondet18#1|) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet18#1|)), Black: 185491#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) |fThread1of1ForFork0_#t~nondet18#1|) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet18#1|) (= |fThread1of1ForFork0_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|))) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 3 |fThread1of1ForFork0_~pos~0#1.offset|)) |fThread1of1ForFork0_#t~nondet18#1|)), Black: 35093#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), Black: 35101#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 3 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), Black: 35089#(= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0), Black: 35097#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), 127319#true, 80#L1040-6true, 77155#true, 6619#true, 1752#(= 0 |ULTIMATE.start_new_#res#1.offset|), Black: 4406#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= 0 (select (select |#race| |~#c~0.base|) (+ 3 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))))), fThread1of1ForFork0InUse, Black: 4394#(= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0), fThread1of1ForFork1InUse, Black: 4402#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0)), Black: 4398#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0)), 8803#true, Black: 11153#(< |ULTIMATE.start_main_~j~1#1| 29), Black: 11703#(< |ULTIMATE.start_main_~j~1#1| 27), Black: 12528#(< |ULTIMATE.start_main_~j~1#1| 24), Black: 333#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 12253#(< |ULTIMATE.start_main_~j~1#1| 25), Black: 11142#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 11978#(< |ULTIMATE.start_main_~j~1#1| 26), Black: 102057#(<= |ULTIMATE.start_main_~i~0#1| 3), Black: 11428#(< |ULTIMATE.start_main_~j~1#1| 28), Black: 102399#(< |ULTIMATE.start_main_~i~0#1| 9), Black: 10865#(<= |ULTIMATE.start_main_~j~1#1| 7), Black: 102388#(< |ULTIMATE.start_main_~i~0#1| 10), Black: 110678#(< |ULTIMATE.start_main_~i~0#1| 8), Black: 5914#(< |ULTIMATE.start_main_~j~1#1| 28), Black: 5628#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 5375#(<= |ULTIMATE.start_main_~j~1#1| 3), Black: 5639#(< |ULTIMATE.start_main_~j~1#1| 29), 4413#true, 77136#(= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|)), Black: 52102#true, Black: 8796#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 2 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 3 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 77144#(and (= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|)) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) |fThread1of1ForFork1_#t~nondet18#1|) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) |fThread1of1ForFork1_#t~nondet18#1|)), Black: 8784#(= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0), Black: 77140#(and (= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|)) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) |fThread1of1ForFork1_#t~nondet18#1|)), Black: 8788#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 8792#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 2 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 77148#(and (= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|)) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) |fThread1of1ForFork1_#t~nondet18#1|) (= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 3))) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) |fThread1of1ForFork1_#t~nondet18#1|)), 3339#true, 172#L1062-4true, Black: 21911#(<= |ULTIMATE.start_main_~j~1#1| 15), Black: 24985#(< |ULTIMATE.start_main_~j~1#1| 19), Black: 23610#(< |ULTIMATE.start_main_~j~1#1| 24), Black: 25535#(< |ULTIMATE.start_main_~j~1#1| 17), Black: 23335#(< |ULTIMATE.start_main_~j~1#1| 25), 234#L1040-10true, Black: 24710#(< |ULTIMATE.start_main_~j~1#1| 20), Black: 17630#(= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0), Black: 17638#(and (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) 0)), Black: 22224#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 17634#(and (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) 0)), Black: 24435#(< |ULTIMATE.start_main_~j~1#1| 21), Black: 22510#(< |ULTIMATE.start_main_~j~1#1| 28), 13269#true, Black: 17642#(and (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 3)) 0)), 2287#true, Black: 23060#(< |ULTIMATE.start_main_~j~1#1| 26), Black: 22235#(< |ULTIMATE.start_main_~j~1#1| 29), Black: 25260#(< |ULTIMATE.start_main_~j~1#1| 18), Black: 24160#(< |ULTIMATE.start_main_~j~1#1| 22), Black: 23885#(< |ULTIMATE.start_main_~j~1#1| 23), Black: 22785#(< |ULTIMATE.start_main_~j~1#1| 27), 185498#true, 26615#true]) [2023-11-29 01:40:59,455 INFO L294 olderBase$Statistics]: this new event has 27723 ancestors and is cut-off event [2023-11-29 01:40:59,455 INFO L297 olderBase$Statistics]: existing Event has 27723 ancestors and is cut-off event [2023-11-29 01:40:59,455 INFO L297 olderBase$Statistics]: existing Event has 27723 ancestors and is cut-off event [2023-11-29 01:40:59,455 INFO L297 olderBase$Statistics]: existing Event has 27723 ancestors and is cut-off event [2023-11-29 01:40:59,595 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([609] L1040-9-->L1040-10: Formula: (= (store |v_#race_22| |v_fThread1of1ForFork0_~pos~0#1.base_25| (store (select |v_#race_22| |v_fThread1of1ForFork0_~pos~0#1.base_25|) |v_fThread1of1ForFork0_~pos~0#1.offset_25| |v_fThread1of1ForFork0_#t~nondet18#1_3|)) |v_#race_21|) InVars {#race=|v_#race_22|, fThread1of1ForFork0_~pos~0#1.base=|v_fThread1of1ForFork0_~pos~0#1.base_25|, fThread1of1ForFork0_~pos~0#1.offset=|v_fThread1of1ForFork0_~pos~0#1.offset_25|, fThread1of1ForFork0_#t~nondet18#1=|v_fThread1of1ForFork0_#t~nondet18#1_3|} OutVars{#race=|v_#race_21|, fThread1of1ForFork0_~pos~0#1.base=|v_fThread1of1ForFork0_~pos~0#1.base_25|, fThread1of1ForFork0_~pos~0#1.offset=|v_fThread1of1ForFork0_~pos~0#1.offset_25|, fThread1of1ForFork0_#t~nondet18#1=|v_fThread1of1ForFork0_#t~nondet18#1_3|} AuxVars[] AssignedVars[#race][717], [Black: 43452#(<= |ULTIMATE.start_main_~i~0#1| 1), Black: 43747#(< |ULTIMATE.start_main_~i~0#1| 10), Black: 2916#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 2699#(<= |ULTIMATE.start_main_~j~1#1| 1), 17649#true, Black: 529#(= |ULTIMATE.start_main_~j~1#1| 0), Black: 127319#true, Black: 185487#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) |fThread1of1ForFork0_#t~nondet18#1|) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet18#1|) (= |fThread1of1ForFork0_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)))), 35108#true, Black: 185483#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) |fThread1of1ForFork0_#t~nondet18#1|) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet18#1|)), Black: 185491#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) |fThread1of1ForFork0_#t~nondet18#1|) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet18#1|) (= |fThread1of1ForFork0_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|))) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 3 |fThread1of1ForFork0_~pos~0#1.offset|)) |fThread1of1ForFork0_#t~nondet18#1|)), Black: 35093#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), Black: 35101#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 3 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), Black: 35089#(= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0), 52102#true, Black: 35097#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), 77155#true, 6619#true, 57#L1040-10true, 1752#(= 0 |ULTIMATE.start_new_#res#1.offset|), Black: 4406#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= 0 (select (select |#race| |~#c~0.base|) (+ 3 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))))), fThread1of1ForFork0InUse, Black: 4394#(= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0), fThread1of1ForFork1InUse, Black: 4402#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0)), Black: 4398#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0)), 8803#true, 185479#(= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet18#1|), Black: 11153#(< |ULTIMATE.start_main_~j~1#1| 29), Black: 11703#(< |ULTIMATE.start_main_~j~1#1| 27), Black: 12528#(< |ULTIMATE.start_main_~j~1#1| 24), Black: 333#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 12253#(< |ULTIMATE.start_main_~j~1#1| 25), Black: 11142#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 11978#(< |ULTIMATE.start_main_~j~1#1| 26), Black: 102057#(<= |ULTIMATE.start_main_~i~0#1| 3), Black: 11428#(< |ULTIMATE.start_main_~j~1#1| 28), Black: 102399#(< |ULTIMATE.start_main_~i~0#1| 9), Black: 10865#(<= |ULTIMATE.start_main_~j~1#1| 7), Black: 102388#(< |ULTIMATE.start_main_~i~0#1| 10), Black: 110678#(< |ULTIMATE.start_main_~i~0#1| 8), Black: 5914#(< |ULTIMATE.start_main_~j~1#1| 28), Black: 5628#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 5375#(<= |ULTIMATE.start_main_~j~1#1| 3), Black: 5639#(< |ULTIMATE.start_main_~j~1#1| 29), 4413#true, Black: 8796#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 2 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 3 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 77144#(and (= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|)) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) |fThread1of1ForFork1_#t~nondet18#1|) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) |fThread1of1ForFork1_#t~nondet18#1|)), Black: 8784#(= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0), Black: 77140#(and (= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|)) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) |fThread1of1ForFork1_#t~nondet18#1|)), Black: 8788#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 8792#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 2 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 77148#(and (= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|)) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) |fThread1of1ForFork1_#t~nondet18#1|) (= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 3))) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) |fThread1of1ForFork1_#t~nondet18#1|)), Black: 77136#(= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|)), 3339#true, 172#L1062-4true, 122#L1040-6true, Black: 21911#(<= |ULTIMATE.start_main_~j~1#1| 15), Black: 24985#(< |ULTIMATE.start_main_~j~1#1| 19), Black: 23610#(< |ULTIMATE.start_main_~j~1#1| 24), Black: 25535#(< |ULTIMATE.start_main_~j~1#1| 17), Black: 23335#(< |ULTIMATE.start_main_~j~1#1| 25), Black: 24710#(< |ULTIMATE.start_main_~j~1#1| 20), Black: 17630#(= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0), Black: 17638#(and (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) 0)), Black: 22224#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 17634#(and (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) 0)), Black: 24435#(< |ULTIMATE.start_main_~j~1#1| 21), Black: 22510#(< |ULTIMATE.start_main_~j~1#1| 28), 13269#true, Black: 17642#(and (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 3)) 0)), 2287#true, Black: 23060#(< |ULTIMATE.start_main_~j~1#1| 26), Black: 22235#(< |ULTIMATE.start_main_~j~1#1| 29), Black: 25260#(< |ULTIMATE.start_main_~j~1#1| 18), Black: 24160#(< |ULTIMATE.start_main_~j~1#1| 22), Black: 23885#(< |ULTIMATE.start_main_~j~1#1| 23), Black: 22785#(< |ULTIMATE.start_main_~j~1#1| 27), 185498#true, 26615#true]) [2023-11-29 01:40:59,595 INFO L294 olderBase$Statistics]: this new event has 27723 ancestors and is cut-off event [2023-11-29 01:40:59,595 INFO L297 olderBase$Statistics]: existing Event has 27723 ancestors and is cut-off event [2023-11-29 01:40:59,595 INFO L297 olderBase$Statistics]: existing Event has 27723 ancestors and is cut-off event [2023-11-29 01:40:59,595 INFO L297 olderBase$Statistics]: existing Event has 27723 ancestors and is cut-off event [2023-11-29 01:41:01,384 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([609] L1040-9-->L1040-10: Formula: (= (store |v_#race_22| |v_fThread1of1ForFork0_~pos~0#1.base_25| (store (select |v_#race_22| |v_fThread1of1ForFork0_~pos~0#1.base_25|) |v_fThread1of1ForFork0_~pos~0#1.offset_25| |v_fThread1of1ForFork0_#t~nondet18#1_3|)) |v_#race_21|) InVars {#race=|v_#race_22|, fThread1of1ForFork0_~pos~0#1.base=|v_fThread1of1ForFork0_~pos~0#1.base_25|, fThread1of1ForFork0_~pos~0#1.offset=|v_fThread1of1ForFork0_~pos~0#1.offset_25|, fThread1of1ForFork0_#t~nondet18#1=|v_fThread1of1ForFork0_#t~nondet18#1_3|} OutVars{#race=|v_#race_21|, fThread1of1ForFork0_~pos~0#1.base=|v_fThread1of1ForFork0_~pos~0#1.base_25|, fThread1of1ForFork0_~pos~0#1.offset=|v_fThread1of1ForFork0_~pos~0#1.offset_25|, fThread1of1ForFork0_#t~nondet18#1=|v_fThread1of1ForFork0_#t~nondet18#1_3|} AuxVars[] AssignedVars[#race][692], [Black: 43452#(<= |ULTIMATE.start_main_~i~0#1| 1), Black: 43747#(< |ULTIMATE.start_main_~i~0#1| 10), Black: 2916#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 2699#(<= |ULTIMATE.start_main_~j~1#1| 1), 17649#true, Black: 529#(= |ULTIMATE.start_main_~j~1#1| 0), Black: 127319#true, Black: 185487#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) |fThread1of1ForFork0_#t~nondet18#1|) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet18#1|) (= |fThread1of1ForFork0_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)))), 35108#true, Black: 185483#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) |fThread1of1ForFork0_#t~nondet18#1|) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet18#1|)), Black: 185491#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) |fThread1of1ForFork0_#t~nondet18#1|) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet18#1|) (= |fThread1of1ForFork0_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|))) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 3 |fThread1of1ForFork0_~pos~0#1.offset|)) |fThread1of1ForFork0_#t~nondet18#1|)), Black: 35093#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), Black: 35101#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 3 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), Black: 35089#(= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0), 52102#true, Black: 35097#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), 77155#true, 6619#true, 57#L1040-10true, 171#L1037-6true, 1752#(= 0 |ULTIMATE.start_new_#res#1.offset|), Black: 4406#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= 0 (select (select |#race| |~#c~0.base|) (+ 3 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))))), fThread1of1ForFork0InUse, Black: 4394#(= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0), Black: 4402#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0)), fThread1of1ForFork1InUse, Black: 4398#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0)), 8803#true, 185479#(= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet18#1|), Black: 11153#(< |ULTIMATE.start_main_~j~1#1| 29), Black: 11703#(< |ULTIMATE.start_main_~j~1#1| 27), Black: 12528#(< |ULTIMATE.start_main_~j~1#1| 24), Black: 333#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 12253#(< |ULTIMATE.start_main_~j~1#1| 25), Black: 11142#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 11978#(< |ULTIMATE.start_main_~j~1#1| 26), Black: 102057#(<= |ULTIMATE.start_main_~i~0#1| 3), Black: 11428#(< |ULTIMATE.start_main_~j~1#1| 28), Black: 102399#(< |ULTIMATE.start_main_~i~0#1| 9), Black: 10865#(<= |ULTIMATE.start_main_~j~1#1| 7), Black: 102388#(< |ULTIMATE.start_main_~i~0#1| 10), Black: 110678#(< |ULTIMATE.start_main_~i~0#1| 8), Black: 5914#(< |ULTIMATE.start_main_~j~1#1| 28), Black: 5628#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 5375#(<= |ULTIMATE.start_main_~j~1#1| 3), Black: 5639#(< |ULTIMATE.start_main_~j~1#1| 29), 4413#true, Black: 8796#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 2 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 3 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 77144#(and (= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|)) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) |fThread1of1ForFork1_#t~nondet18#1|) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) |fThread1of1ForFork1_#t~nondet18#1|)), Black: 8784#(= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0), Black: 77140#(and (= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|)) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) |fThread1of1ForFork1_#t~nondet18#1|)), Black: 8788#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 8792#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 2 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 77148#(and (= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|)) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) |fThread1of1ForFork1_#t~nondet18#1|) (= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 3))) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) |fThread1of1ForFork1_#t~nondet18#1|)), Black: 77136#(= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|)), 172#L1062-4true, 3339#true, Black: 21911#(<= |ULTIMATE.start_main_~j~1#1| 15), Black: 24985#(< |ULTIMATE.start_main_~j~1#1| 19), Black: 23610#(< |ULTIMATE.start_main_~j~1#1| 24), Black: 25535#(< |ULTIMATE.start_main_~j~1#1| 17), Black: 23335#(< |ULTIMATE.start_main_~j~1#1| 25), Black: 24710#(< |ULTIMATE.start_main_~j~1#1| 20), Black: 17630#(= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0), Black: 17638#(and (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) 0)), Black: 22224#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 17634#(and (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) 0)), Black: 24435#(< |ULTIMATE.start_main_~j~1#1| 21), Black: 22510#(< |ULTIMATE.start_main_~j~1#1| 28), Black: 17642#(and (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 3)) 0)), 13269#true, 2287#true, Black: 23060#(< |ULTIMATE.start_main_~j~1#1| 26), Black: 22235#(< |ULTIMATE.start_main_~j~1#1| 29), Black: 25260#(< |ULTIMATE.start_main_~j~1#1| 18), Black: 24160#(< |ULTIMATE.start_main_~j~1#1| 22), Black: 23885#(< |ULTIMATE.start_main_~j~1#1| 23), Black: 22785#(< |ULTIMATE.start_main_~j~1#1| 27), 185498#true, 26615#true]) [2023-11-29 01:41:01,384 INFO L294 olderBase$Statistics]: this new event has 27731 ancestors and is cut-off event [2023-11-29 01:41:01,384 INFO L297 olderBase$Statistics]: existing Event has 27713 ancestors and is cut-off event [2023-11-29 01:41:01,384 INFO L297 olderBase$Statistics]: existing Event has 27731 ancestors and is cut-off event [2023-11-29 01:41:01,384 INFO L297 olderBase$Statistics]: existing Event has 27713 ancestors and is cut-off event [2023-11-29 01:41:01,441 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([679] L1040-9-->L1040-10: Formula: (= (store |v_#race_22| |v_fThread1of1ForFork1_~pos~0#1.base_25| (store (select |v_#race_22| |v_fThread1of1ForFork1_~pos~0#1.base_25|) |v_fThread1of1ForFork1_~pos~0#1.offset_25| |v_fThread1of1ForFork1_#t~nondet18#1_3|)) |v_#race_21|) InVars {#race=|v_#race_22|, fThread1of1ForFork1_~pos~0#1.base=|v_fThread1of1ForFork1_~pos~0#1.base_25|, fThread1of1ForFork1_~pos~0#1.offset=|v_fThread1of1ForFork1_~pos~0#1.offset_25|, fThread1of1ForFork1_#t~nondet18#1=|v_fThread1of1ForFork1_#t~nondet18#1_3|} OutVars{#race=|v_#race_21|, fThread1of1ForFork1_~pos~0#1.base=|v_fThread1of1ForFork1_~pos~0#1.base_25|, fThread1of1ForFork1_~pos~0#1.offset=|v_fThread1of1ForFork1_~pos~0#1.offset_25|, fThread1of1ForFork1_#t~nondet18#1=|v_fThread1of1ForFork1_#t~nondet18#1_3|} AuxVars[] AssignedVars[#race][548], [Black: 43452#(<= |ULTIMATE.start_main_~i~0#1| 1), Black: 43747#(< |ULTIMATE.start_main_~i~0#1| 10), Black: 2916#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 2699#(<= |ULTIMATE.start_main_~j~1#1| 1), 17649#true, Black: 529#(= |ULTIMATE.start_main_~j~1#1| 0), Black: 185479#(= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet18#1|), Black: 185487#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) |fThread1of1ForFork0_#t~nondet18#1|) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet18#1|) (= |fThread1of1ForFork0_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)))), 35108#true, Black: 185483#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) |fThread1of1ForFork0_#t~nondet18#1|) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet18#1|)), Black: 185491#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) |fThread1of1ForFork0_#t~nondet18#1|) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet18#1|) (= |fThread1of1ForFork0_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|))) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 3 |fThread1of1ForFork0_~pos~0#1.offset|)) |fThread1of1ForFork0_#t~nondet18#1|)), Black: 35093#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), Black: 35101#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 3 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), Black: 35089#(= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0), Black: 35097#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), 127319#true, 77155#true, 6619#true, 112#L1037-6true, 1752#(= 0 |ULTIMATE.start_new_#res#1.offset|), Black: 4406#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= 0 (select (select |#race| |~#c~0.base|) (+ 3 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))))), fThread1of1ForFork0InUse, Black: 4394#(= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0), fThread1of1ForFork1InUse, Black: 4402#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0)), Black: 4398#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0)), 8803#true, Black: 11153#(< |ULTIMATE.start_main_~j~1#1| 29), Black: 11703#(< |ULTIMATE.start_main_~j~1#1| 27), Black: 12528#(< |ULTIMATE.start_main_~j~1#1| 24), Black: 333#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 12253#(< |ULTIMATE.start_main_~j~1#1| 25), Black: 11142#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 11978#(< |ULTIMATE.start_main_~j~1#1| 26), Black: 102057#(<= |ULTIMATE.start_main_~i~0#1| 3), Black: 11428#(< |ULTIMATE.start_main_~j~1#1| 28), Black: 102399#(< |ULTIMATE.start_main_~i~0#1| 9), Black: 10865#(<= |ULTIMATE.start_main_~j~1#1| 7), Black: 102388#(< |ULTIMATE.start_main_~i~0#1| 10), Black: 110678#(< |ULTIMATE.start_main_~i~0#1| 8), Black: 5914#(< |ULTIMATE.start_main_~j~1#1| 28), Black: 5628#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 5375#(<= |ULTIMATE.start_main_~j~1#1| 3), Black: 5639#(< |ULTIMATE.start_main_~j~1#1| 29), 77136#(= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|)), 4413#true, Black: 52102#true, Black: 8796#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 2 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 3 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 8784#(= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0), Black: 77144#(and (= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|)) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) |fThread1of1ForFork1_#t~nondet18#1|) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) |fThread1of1ForFork1_#t~nondet18#1|)), Black: 77140#(and (= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|)) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) |fThread1of1ForFork1_#t~nondet18#1|)), Black: 8788#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 8792#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 2 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 77148#(and (= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|)) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) |fThread1of1ForFork1_#t~nondet18#1|) (= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 3))) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) |fThread1of1ForFork1_#t~nondet18#1|)), 3339#true, 172#L1062-4true, Black: 21911#(<= |ULTIMATE.start_main_~j~1#1| 15), Black: 24985#(< |ULTIMATE.start_main_~j~1#1| 19), Black: 23610#(< |ULTIMATE.start_main_~j~1#1| 24), Black: 25535#(< |ULTIMATE.start_main_~j~1#1| 17), 234#L1040-10true, Black: 23335#(< |ULTIMATE.start_main_~j~1#1| 25), Black: 24710#(< |ULTIMATE.start_main_~j~1#1| 20), Black: 17630#(= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0), Black: 17638#(and (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) 0)), Black: 22224#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 17634#(and (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) 0)), Black: 24435#(< |ULTIMATE.start_main_~j~1#1| 21), 13269#true, Black: 17642#(and (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 3)) 0)), Black: 22510#(< |ULTIMATE.start_main_~j~1#1| 28), 2287#true, Black: 23060#(< |ULTIMATE.start_main_~j~1#1| 26), Black: 22235#(< |ULTIMATE.start_main_~j~1#1| 29), Black: 25260#(< |ULTIMATE.start_main_~j~1#1| 18), Black: 24160#(< |ULTIMATE.start_main_~j~1#1| 22), Black: 23885#(< |ULTIMATE.start_main_~j~1#1| 23), Black: 22785#(< |ULTIMATE.start_main_~j~1#1| 27), 185498#true, 26615#true]) [2023-11-29 01:41:01,441 INFO L294 olderBase$Statistics]: this new event has 27731 ancestors and is cut-off event [2023-11-29 01:41:01,441 INFO L297 olderBase$Statistics]: existing Event has 27713 ancestors and is cut-off event [2023-11-29 01:41:01,441 INFO L297 olderBase$Statistics]: existing Event has 27713 ancestors and is cut-off event [2023-11-29 01:41:01,441 INFO L297 olderBase$Statistics]: existing Event has 27731 ancestors and is cut-off event [2023-11-29 01:41:15,761 INFO L124 PetriNetUnfolderBase]: 1482/33197 cut-off events. [2023-11-29 01:41:15,761 INFO L125 PetriNetUnfolderBase]: For 27564/28106 co-relation queries the response was YES. [2023-11-29 01:41:15,887 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49853 conditions, 33197 events. 1482/33197 cut-off events. For 27564/28106 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 45291 event pairs, 188 based on Foata normal form. 122/32960 useless extension candidates. Maximal degree in co-relation 40357. Up to 769 conditions per place. [2023-11-29 01:41:15,926 INFO L140 encePairwiseOnDemand]: 316/322 looper letters, 22 selfloop transitions, 30 changer transitions 0/773 dead transitions. [2023-11-29 01:41:15,927 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 550 places, 773 transitions, 5930 flow [2023-11-29 01:41:15,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-29 01:41:15,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2023-11-29 01:41:15,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 8995 transitions. [2023-11-29 01:41:15,935 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9311594202898551 [2023-11-29 01:41:15,935 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 8995 transitions. [2023-11-29 01:41:15,936 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 8995 transitions. [2023-11-29 01:41:15,938 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:41:15,938 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 8995 transitions. [2023-11-29 01:41:15,946 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 299.8333333333333) internal successors, (8995), 30 states have internal predecessors, (8995), 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) [2023-11-29 01:41:15,953 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 322.0) internal successors, (9982), 31 states have internal predecessors, (9982), 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) [2023-11-29 01:41:15,955 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 322.0) internal successors, (9982), 31 states have internal predecessors, (9982), 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) [2023-11-29 01:41:15,955 INFO L175 Difference]: Start difference. First operand has 521 places, 756 transitions, 5704 flow. Second operand 30 states and 8995 transitions. [2023-11-29 01:41:15,955 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 550 places, 773 transitions, 5930 flow [2023-11-29 01:41:16,082 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 550 places, 773 transitions, 5780 flow, removed 75 selfloop flow, removed 0 redundant places. [2023-11-29 01:41:16,091 INFO L231 Difference]: Finished difference. Result has 554 places, 766 transitions, 5706 flow [2023-11-29 01:41:16,092 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=5554, PETRI_DIFFERENCE_MINUEND_PLACES=521, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=756, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=733, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=5706, PETRI_PLACES=554, PETRI_TRANSITIONS=766} [2023-11-29 01:41:16,092 INFO L281 CegarLoopForPetriNet]: 312 programPoint places, 242 predicate places. [2023-11-29 01:41:16,092 INFO L495 AbstractCegarLoop]: Abstraction has has 554 places, 766 transitions, 5706 flow [2023-11-29 01:41:16,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 300.0952380952381) internal successors, (6302), 21 states have internal predecessors, (6302), 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) [2023-11-29 01:41:16,093 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:41:16,095 INFO L208 CegarLoopForPetriNet]: trace histogram [300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:41:16,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2023-11-29 01:41:16,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2023-11-29 01:41:16,295 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting fErr3ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2023-11-29 01:41:16,296 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:41:16,297 INFO L85 PathProgramCache]: Analyzing trace with hash 820116163, now seen corresponding path program 2 times [2023-11-29 01:41:16,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:41:16,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925778985] [2023-11-29 01:41:16,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:41:16,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:41:19,927 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:41:19,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1061571197] [2023-11-29 01:41:19,928 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 01:41:19,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:41:19,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:41:19,929 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:41:19,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-11-29 01:41:33,848 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 01:41:33,848 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:41:33,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 01:41:34,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:41:34,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-29 01:41:34,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2023-11-29 01:41:34,672 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:41:34,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2023-11-29 01:41:34,688 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:41:34,688 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 46 [2023-11-29 01:41:34,821 INFO L134 CoverageAnalysis]: Checked inductivity of 4085665 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4085665 trivial. 0 not checked. [2023-11-29 01:41:34,821 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:41:34,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:41:34,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925778985] [2023-11-29 01:41:34,821 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:41:34,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1061571197] [2023-11-29 01:41:34,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1061571197] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:41:34,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:41:34,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:41:34,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322625083] [2023-11-29 01:41:34,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:41:34,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:41:34,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:41:34,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:41:34,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:41:35,303 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 322 [2023-11-29 01:41:35,304 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 554 places, 766 transitions, 5706 flow. Second operand has 6 states, 6 states have (on average 265.5) internal successors, (1593), 6 states have internal predecessors, (1593), 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) [2023-11-29 01:41:35,304 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:41:35,304 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 322 [2023-11-29 01:41:35,304 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:43:54,214 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([679] L1040-9-->L1040-10: Formula: (= (store |v_#race_22| |v_fThread1of1ForFork1_~pos~0#1.base_25| (store (select |v_#race_22| |v_fThread1of1ForFork1_~pos~0#1.base_25|) |v_fThread1of1ForFork1_~pos~0#1.offset_25| |v_fThread1of1ForFork1_#t~nondet18#1_3|)) |v_#race_21|) InVars {#race=|v_#race_22|, fThread1of1ForFork1_~pos~0#1.base=|v_fThread1of1ForFork1_~pos~0#1.base_25|, fThread1of1ForFork1_~pos~0#1.offset=|v_fThread1of1ForFork1_~pos~0#1.offset_25|, fThread1of1ForFork1_#t~nondet18#1=|v_fThread1of1ForFork1_#t~nondet18#1_3|} OutVars{#race=|v_#race_21|, fThread1of1ForFork1_~pos~0#1.base=|v_fThread1of1ForFork1_~pos~0#1.base_25|, fThread1of1ForFork1_~pos~0#1.offset=|v_fThread1of1ForFork1_~pos~0#1.offset_25|, fThread1of1ForFork1_#t~nondet18#1=|v_fThread1of1ForFork1_#t~nondet18#1_3|} AuxVars[] AssignedVars[#race][761], [Black: 43452#(<= |ULTIMATE.start_main_~i~0#1| 1), Black: 43747#(< |ULTIMATE.start_main_~i~0#1| 10), Black: 2916#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 2699#(<= |ULTIMATE.start_main_~j~1#1| 1), 17649#true, Black: 529#(= |ULTIMATE.start_main_~j~1#1| 0), Black: 185479#(= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet18#1|), Black: 185487#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) |fThread1of1ForFork0_#t~nondet18#1|) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet18#1|) (= |fThread1of1ForFork0_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)))), 35108#true, Black: 185483#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) |fThread1of1ForFork0_#t~nondet18#1|) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet18#1|)), Black: 185491#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) |fThread1of1ForFork0_#t~nondet18#1|) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet18#1|) (= |fThread1of1ForFork0_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|))) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 3 |fThread1of1ForFork0_~pos~0#1.offset|)) |fThread1of1ForFork0_#t~nondet18#1|)), Black: 35093#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), Black: 35101#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 3 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), Black: 35089#(= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0), Black: 35097#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), 127319#true, 80#L1040-6true, 77155#true, 6619#true, 1752#(= 0 |ULTIMATE.start_new_#res#1.offset|), 301912#true, Black: 4406#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= 0 (select (select |#race| |~#c~0.base|) (+ 3 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))))), fThread1of1ForFork0InUse, Black: 4394#(= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0), Black: 4402#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0)), fThread1of1ForFork1InUse, Black: 4398#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0)), 8803#true, Black: 11153#(< |ULTIMATE.start_main_~j~1#1| 29), Black: 11703#(< |ULTIMATE.start_main_~j~1#1| 27), Black: 12528#(< |ULTIMATE.start_main_~j~1#1| 24), Black: 333#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 12253#(< |ULTIMATE.start_main_~j~1#1| 25), Black: 243865#(< |ULTIMATE.start_main_~i~0#1| 10), Black: 11142#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 243516#(<= |ULTIMATE.start_main_~i~0#1| 7), Black: 11978#(< |ULTIMATE.start_main_~j~1#1| 26), Black: 102057#(<= |ULTIMATE.start_main_~i~0#1| 3), Black: 243876#(< |ULTIMATE.start_main_~i~0#1| 9), Black: 11428#(< |ULTIMATE.start_main_~j~1#1| 28), Black: 102399#(< |ULTIMATE.start_main_~i~0#1| 9), Black: 10865#(<= |ULTIMATE.start_main_~j~1#1| 7), Black: 102388#(< |ULTIMATE.start_main_~i~0#1| 10), Black: 110678#(< |ULTIMATE.start_main_~i~0#1| 8), Black: 5914#(< |ULTIMATE.start_main_~j~1#1| 28), Black: 5628#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 5375#(<= |ULTIMATE.start_main_~j~1#1| 3), Black: 5639#(< |ULTIMATE.start_main_~j~1#1| 29), 77136#(= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|)), 4413#true, Black: 52102#true, Black: 8796#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 2 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 3 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 8784#(= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0), Black: 77144#(and (= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|)) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) |fThread1of1ForFork1_#t~nondet18#1|) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) |fThread1of1ForFork1_#t~nondet18#1|)), Black: 8788#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 77140#(and (= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|)) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) |fThread1of1ForFork1_#t~nondet18#1|)), Black: 8792#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 2 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 77148#(and (= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|)) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) |fThread1of1ForFork1_#t~nondet18#1|) (= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 3))) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) |fThread1of1ForFork1_#t~nondet18#1|)), 3339#true, 172#L1062-4true, Black: 21911#(<= |ULTIMATE.start_main_~j~1#1| 15), Black: 24985#(< |ULTIMATE.start_main_~j~1#1| 19), Black: 23610#(< |ULTIMATE.start_main_~j~1#1| 24), Black: 25535#(< |ULTIMATE.start_main_~j~1#1| 17), Black: 23335#(< |ULTIMATE.start_main_~j~1#1| 25), 234#L1040-10true, Black: 24710#(< |ULTIMATE.start_main_~j~1#1| 20), Black: 17630#(= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0), Black: 22224#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 17638#(and (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) 0)), Black: 17634#(and (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) 0)), Black: 24435#(< |ULTIMATE.start_main_~j~1#1| 21), Black: 22510#(< |ULTIMATE.start_main_~j~1#1| 28), 13269#true, Black: 17642#(and (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 3)) 0)), 2287#true, Black: 23060#(< |ULTIMATE.start_main_~j~1#1| 26), Black: 22235#(< |ULTIMATE.start_main_~j~1#1| 29), Black: 25260#(< |ULTIMATE.start_main_~j~1#1| 18), Black: 24160#(< |ULTIMATE.start_main_~j~1#1| 22), Black: 23885#(< |ULTIMATE.start_main_~j~1#1| 23), Black: 22785#(< |ULTIMATE.start_main_~j~1#1| 27), 185498#true, 26615#true]) [2023-11-29 01:43:54,215 INFO L294 olderBase$Statistics]: this new event has 27723 ancestors and is cut-off event [2023-11-29 01:43:54,215 INFO L297 olderBase$Statistics]: existing Event has 27723 ancestors and is cut-off event [2023-11-29 01:43:54,215 INFO L297 olderBase$Statistics]: existing Event has 27723 ancestors and is cut-off event [2023-11-29 01:43:54,215 INFO L297 olderBase$Statistics]: existing Event has 27723 ancestors and is cut-off event [2023-11-29 01:43:54,446 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([609] L1040-9-->L1040-10: Formula: (= (store |v_#race_22| |v_fThread1of1ForFork0_~pos~0#1.base_25| (store (select |v_#race_22| |v_fThread1of1ForFork0_~pos~0#1.base_25|) |v_fThread1of1ForFork0_~pos~0#1.offset_25| |v_fThread1of1ForFork0_#t~nondet18#1_3|)) |v_#race_21|) InVars {#race=|v_#race_22|, fThread1of1ForFork0_~pos~0#1.base=|v_fThread1of1ForFork0_~pos~0#1.base_25|, fThread1of1ForFork0_~pos~0#1.offset=|v_fThread1of1ForFork0_~pos~0#1.offset_25|, fThread1of1ForFork0_#t~nondet18#1=|v_fThread1of1ForFork0_#t~nondet18#1_3|} OutVars{#race=|v_#race_21|, fThread1of1ForFork0_~pos~0#1.base=|v_fThread1of1ForFork0_~pos~0#1.base_25|, fThread1of1ForFork0_~pos~0#1.offset=|v_fThread1of1ForFork0_~pos~0#1.offset_25|, fThread1of1ForFork0_#t~nondet18#1=|v_fThread1of1ForFork0_#t~nondet18#1_3|} AuxVars[] AssignedVars[#race][729], [Black: 43452#(<= |ULTIMATE.start_main_~i~0#1| 1), Black: 43747#(< |ULTIMATE.start_main_~i~0#1| 10), Black: 2916#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 2699#(<= |ULTIMATE.start_main_~j~1#1| 1), 17649#true, Black: 529#(= |ULTIMATE.start_main_~j~1#1| 0), Black: 127319#true, Black: 185487#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) |fThread1of1ForFork0_#t~nondet18#1|) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet18#1|) (= |fThread1of1ForFork0_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)))), 35108#true, Black: 185483#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) |fThread1of1ForFork0_#t~nondet18#1|) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet18#1|)), Black: 185491#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) |fThread1of1ForFork0_#t~nondet18#1|) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet18#1|) (= |fThread1of1ForFork0_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|))) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 3 |fThread1of1ForFork0_~pos~0#1.offset|)) |fThread1of1ForFork0_#t~nondet18#1|)), Black: 35093#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), Black: 35101#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 3 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), Black: 35089#(= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0), Black: 35097#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), 52102#true, 77155#true, 6619#true, 57#L1040-10true, 1752#(= 0 |ULTIMATE.start_new_#res#1.offset|), 301912#true, Black: 4406#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= 0 (select (select |#race| |~#c~0.base|) (+ 3 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))))), fThread1of1ForFork0InUse, Black: 4394#(= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0), Black: 4402#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0)), fThread1of1ForFork1InUse, Black: 4398#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0)), 185479#(= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet18#1|), 8803#true, Black: 11153#(< |ULTIMATE.start_main_~j~1#1| 29), Black: 11703#(< |ULTIMATE.start_main_~j~1#1| 27), Black: 12528#(< |ULTIMATE.start_main_~j~1#1| 24), Black: 333#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 12253#(< |ULTIMATE.start_main_~j~1#1| 25), Black: 243865#(< |ULTIMATE.start_main_~i~0#1| 10), Black: 11142#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 243516#(<= |ULTIMATE.start_main_~i~0#1| 7), Black: 11978#(< |ULTIMATE.start_main_~j~1#1| 26), Black: 102057#(<= |ULTIMATE.start_main_~i~0#1| 3), Black: 243876#(< |ULTIMATE.start_main_~i~0#1| 9), Black: 11428#(< |ULTIMATE.start_main_~j~1#1| 28), Black: 102399#(< |ULTIMATE.start_main_~i~0#1| 9), Black: 10865#(<= |ULTIMATE.start_main_~j~1#1| 7), Black: 102388#(< |ULTIMATE.start_main_~i~0#1| 10), Black: 110678#(< |ULTIMATE.start_main_~i~0#1| 8), Black: 5914#(< |ULTIMATE.start_main_~j~1#1| 28), Black: 5628#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 5375#(<= |ULTIMATE.start_main_~j~1#1| 3), Black: 5639#(< |ULTIMATE.start_main_~j~1#1| 29), 4413#true, Black: 8796#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 2 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 3 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 77144#(and (= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|)) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) |fThread1of1ForFork1_#t~nondet18#1|) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) |fThread1of1ForFork1_#t~nondet18#1|)), Black: 8784#(= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0), Black: 77140#(and (= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|)) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) |fThread1of1ForFork1_#t~nondet18#1|)), Black: 8788#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 8792#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 2 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 77148#(and (= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|)) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) |fThread1of1ForFork1_#t~nondet18#1|) (= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 3))) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) |fThread1of1ForFork1_#t~nondet18#1|)), Black: 77136#(= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|)), 3339#true, 172#L1062-4true, 122#L1040-6true, Black: 21911#(<= |ULTIMATE.start_main_~j~1#1| 15), Black: 24985#(< |ULTIMATE.start_main_~j~1#1| 19), Black: 23610#(< |ULTIMATE.start_main_~j~1#1| 24), Black: 25535#(< |ULTIMATE.start_main_~j~1#1| 17), Black: 23335#(< |ULTIMATE.start_main_~j~1#1| 25), Black: 24710#(< |ULTIMATE.start_main_~j~1#1| 20), Black: 17630#(= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0), Black: 22224#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 17638#(and (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) 0)), Black: 17634#(and (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) 0)), Black: 24435#(< |ULTIMATE.start_main_~j~1#1| 21), 13269#true, Black: 17642#(and (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 3)) 0)), Black: 22510#(< |ULTIMATE.start_main_~j~1#1| 28), 2287#true, Black: 23060#(< |ULTIMATE.start_main_~j~1#1| 26), Black: 22235#(< |ULTIMATE.start_main_~j~1#1| 29), Black: 25260#(< |ULTIMATE.start_main_~j~1#1| 18), Black: 24160#(< |ULTIMATE.start_main_~j~1#1| 22), Black: 23885#(< |ULTIMATE.start_main_~j~1#1| 23), Black: 22785#(< |ULTIMATE.start_main_~j~1#1| 27), 185498#true, 26615#true]) [2023-11-29 01:43:54,446 INFO L294 olderBase$Statistics]: this new event has 27723 ancestors and is cut-off event [2023-11-29 01:43:54,446 INFO L297 olderBase$Statistics]: existing Event has 27723 ancestors and is cut-off event [2023-11-29 01:43:54,446 INFO L297 olderBase$Statistics]: existing Event has 27723 ancestors and is cut-off event [2023-11-29 01:43:54,447 INFO L297 olderBase$Statistics]: existing Event has 27723 ancestors and is cut-off event [2023-11-29 01:43:56,444 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([609] L1040-9-->L1040-10: Formula: (= (store |v_#race_22| |v_fThread1of1ForFork0_~pos~0#1.base_25| (store (select |v_#race_22| |v_fThread1of1ForFork0_~pos~0#1.base_25|) |v_fThread1of1ForFork0_~pos~0#1.offset_25| |v_fThread1of1ForFork0_#t~nondet18#1_3|)) |v_#race_21|) InVars {#race=|v_#race_22|, fThread1of1ForFork0_~pos~0#1.base=|v_fThread1of1ForFork0_~pos~0#1.base_25|, fThread1of1ForFork0_~pos~0#1.offset=|v_fThread1of1ForFork0_~pos~0#1.offset_25|, fThread1of1ForFork0_#t~nondet18#1=|v_fThread1of1ForFork0_#t~nondet18#1_3|} OutVars{#race=|v_#race_21|, fThread1of1ForFork0_~pos~0#1.base=|v_fThread1of1ForFork0_~pos~0#1.base_25|, fThread1of1ForFork0_~pos~0#1.offset=|v_fThread1of1ForFork0_~pos~0#1.offset_25|, fThread1of1ForFork0_#t~nondet18#1=|v_fThread1of1ForFork0_#t~nondet18#1_3|} AuxVars[] AssignedVars[#race][699], [Black: 43452#(<= |ULTIMATE.start_main_~i~0#1| 1), Black: 43747#(< |ULTIMATE.start_main_~i~0#1| 10), Black: 2916#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 2699#(<= |ULTIMATE.start_main_~j~1#1| 1), 17649#true, Black: 529#(= |ULTIMATE.start_main_~j~1#1| 0), Black: 127319#true, Black: 185487#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) |fThread1of1ForFork0_#t~nondet18#1|) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet18#1|) (= |fThread1of1ForFork0_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)))), 35108#true, Black: 185483#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) |fThread1of1ForFork0_#t~nondet18#1|) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet18#1|)), Black: 185491#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) |fThread1of1ForFork0_#t~nondet18#1|) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet18#1|) (= |fThread1of1ForFork0_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|))) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 3 |fThread1of1ForFork0_~pos~0#1.offset|)) |fThread1of1ForFork0_#t~nondet18#1|)), Black: 35093#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), Black: 35101#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 3 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), Black: 35089#(= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0), 52102#true, Black: 35097#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), 77155#true, 6619#true, 57#L1040-10true, 171#L1037-6true, 1752#(= 0 |ULTIMATE.start_new_#res#1.offset|), 301912#true, Black: 4406#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= 0 (select (select |#race| |~#c~0.base|) (+ 3 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))))), fThread1of1ForFork0InUse, Black: 4394#(= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0), Black: 4402#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0)), fThread1of1ForFork1InUse, Black: 4398#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0)), 185479#(= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet18#1|), 8803#true, Black: 11153#(< |ULTIMATE.start_main_~j~1#1| 29), Black: 11703#(< |ULTIMATE.start_main_~j~1#1| 27), Black: 12528#(< |ULTIMATE.start_main_~j~1#1| 24), Black: 333#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 12253#(< |ULTIMATE.start_main_~j~1#1| 25), Black: 243865#(< |ULTIMATE.start_main_~i~0#1| 10), Black: 11142#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 243516#(<= |ULTIMATE.start_main_~i~0#1| 7), Black: 11978#(< |ULTIMATE.start_main_~j~1#1| 26), Black: 102057#(<= |ULTIMATE.start_main_~i~0#1| 3), Black: 243876#(< |ULTIMATE.start_main_~i~0#1| 9), Black: 11428#(< |ULTIMATE.start_main_~j~1#1| 28), Black: 102399#(< |ULTIMATE.start_main_~i~0#1| 9), Black: 10865#(<= |ULTIMATE.start_main_~j~1#1| 7), Black: 102388#(< |ULTIMATE.start_main_~i~0#1| 10), Black: 110678#(< |ULTIMATE.start_main_~i~0#1| 8), Black: 5914#(< |ULTIMATE.start_main_~j~1#1| 28), Black: 5628#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 5375#(<= |ULTIMATE.start_main_~j~1#1| 3), Black: 5639#(< |ULTIMATE.start_main_~j~1#1| 29), 4413#true, Black: 8796#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 2 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 3 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 8784#(= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0), Black: 77144#(and (= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|)) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) |fThread1of1ForFork1_#t~nondet18#1|) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) |fThread1of1ForFork1_#t~nondet18#1|)), Black: 8788#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 77140#(and (= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|)) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) |fThread1of1ForFork1_#t~nondet18#1|)), Black: 8792#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 2 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 77148#(and (= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|)) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) |fThread1of1ForFork1_#t~nondet18#1|) (= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 3))) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) |fThread1of1ForFork1_#t~nondet18#1|)), Black: 77136#(= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|)), 3339#true, 172#L1062-4true, Black: 21911#(<= |ULTIMATE.start_main_~j~1#1| 15), Black: 24985#(< |ULTIMATE.start_main_~j~1#1| 19), Black: 23610#(< |ULTIMATE.start_main_~j~1#1| 24), Black: 25535#(< |ULTIMATE.start_main_~j~1#1| 17), Black: 23335#(< |ULTIMATE.start_main_~j~1#1| 25), Black: 24710#(< |ULTIMATE.start_main_~j~1#1| 20), Black: 17630#(= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0), Black: 22224#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 17638#(and (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) 0)), Black: 17634#(and (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) 0)), Black: 24435#(< |ULTIMATE.start_main_~j~1#1| 21), 13269#true, Black: 17642#(and (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 3)) 0)), Black: 22510#(< |ULTIMATE.start_main_~j~1#1| 28), 2287#true, Black: 23060#(< |ULTIMATE.start_main_~j~1#1| 26), Black: 22235#(< |ULTIMATE.start_main_~j~1#1| 29), Black: 25260#(< |ULTIMATE.start_main_~j~1#1| 18), Black: 24160#(< |ULTIMATE.start_main_~j~1#1| 22), Black: 23885#(< |ULTIMATE.start_main_~j~1#1| 23), Black: 22785#(< |ULTIMATE.start_main_~j~1#1| 27), 185498#true, 26615#true]) [2023-11-29 01:43:56,444 INFO L294 olderBase$Statistics]: this new event has 27731 ancestors and is cut-off event [2023-11-29 01:43:56,444 INFO L297 olderBase$Statistics]: existing Event has 27713 ancestors and is cut-off event [2023-11-29 01:43:56,445 INFO L297 olderBase$Statistics]: existing Event has 27713 ancestors and is cut-off event [2023-11-29 01:43:56,445 INFO L297 olderBase$Statistics]: existing Event has 27731 ancestors and is cut-off event [2023-11-29 01:43:57,594 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([609] L1040-9-->L1040-10: Formula: (= (store |v_#race_22| |v_fThread1of1ForFork0_~pos~0#1.base_25| (store (select |v_#race_22| |v_fThread1of1ForFork0_~pos~0#1.base_25|) |v_fThread1of1ForFork0_~pos~0#1.offset_25| |v_fThread1of1ForFork0_#t~nondet18#1_3|)) |v_#race_21|) InVars {#race=|v_#race_22|, fThread1of1ForFork0_~pos~0#1.base=|v_fThread1of1ForFork0_~pos~0#1.base_25|, fThread1of1ForFork0_~pos~0#1.offset=|v_fThread1of1ForFork0_~pos~0#1.offset_25|, fThread1of1ForFork0_#t~nondet18#1=|v_fThread1of1ForFork0_#t~nondet18#1_3|} OutVars{#race=|v_#race_21|, fThread1of1ForFork0_~pos~0#1.base=|v_fThread1of1ForFork0_~pos~0#1.base_25|, fThread1of1ForFork0_~pos~0#1.offset=|v_fThread1of1ForFork0_~pos~0#1.offset_25|, fThread1of1ForFork0_#t~nondet18#1=|v_fThread1of1ForFork0_#t~nondet18#1_3|} AuxVars[] AssignedVars[#race][699], [Black: 43452#(<= |ULTIMATE.start_main_~i~0#1| 1), Black: 43747#(< |ULTIMATE.start_main_~i~0#1| 10), Black: 2916#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 2699#(<= |ULTIMATE.start_main_~j~1#1| 1), 17649#true, Black: 529#(= |ULTIMATE.start_main_~j~1#1| 0), Black: 127319#true, Black: 185487#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) |fThread1of1ForFork0_#t~nondet18#1|) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet18#1|) (= |fThread1of1ForFork0_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)))), 35108#true, Black: 185483#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) |fThread1of1ForFork0_#t~nondet18#1|) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet18#1|)), Black: 185491#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) |fThread1of1ForFork0_#t~nondet18#1|) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet18#1|) (= |fThread1of1ForFork0_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|))) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 3 |fThread1of1ForFork0_~pos~0#1.offset|)) |fThread1of1ForFork0_#t~nondet18#1|)), Black: 35093#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), Black: 35101#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 3 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), Black: 35089#(= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0), 52102#true, Black: 35097#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), 77155#true, 6619#true, 57#L1040-10true, 1752#(= 0 |ULTIMATE.start_new_#res#1.offset|), 301912#true, Black: 4406#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= 0 (select (select |#race| |~#c~0.base|) (+ 3 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))))), fThread1of1ForFork0InUse, Black: 4394#(= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0), Black: 4402#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0)), fThread1of1ForFork1InUse, Black: 4398#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0)), 240#L1039-2true, 185479#(= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet18#1|), 8803#true, Black: 11153#(< |ULTIMATE.start_main_~j~1#1| 29), Black: 11703#(< |ULTIMATE.start_main_~j~1#1| 27), Black: 12528#(< |ULTIMATE.start_main_~j~1#1| 24), Black: 333#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 12253#(< |ULTIMATE.start_main_~j~1#1| 25), Black: 243865#(< |ULTIMATE.start_main_~i~0#1| 10), Black: 11142#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 243516#(<= |ULTIMATE.start_main_~i~0#1| 7), Black: 11978#(< |ULTIMATE.start_main_~j~1#1| 26), Black: 102057#(<= |ULTIMATE.start_main_~i~0#1| 3), Black: 243876#(< |ULTIMATE.start_main_~i~0#1| 9), Black: 11428#(< |ULTIMATE.start_main_~j~1#1| 28), Black: 102399#(< |ULTIMATE.start_main_~i~0#1| 9), Black: 10865#(<= |ULTIMATE.start_main_~j~1#1| 7), Black: 102388#(< |ULTIMATE.start_main_~i~0#1| 10), Black: 110678#(< |ULTIMATE.start_main_~i~0#1| 8), Black: 5914#(< |ULTIMATE.start_main_~j~1#1| 28), Black: 5628#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 5375#(<= |ULTIMATE.start_main_~j~1#1| 3), Black: 5639#(< |ULTIMATE.start_main_~j~1#1| 29), 4413#true, Black: 8796#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 2 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 3 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 8784#(= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0), Black: 77144#(and (= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|)) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) |fThread1of1ForFork1_#t~nondet18#1|) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) |fThread1of1ForFork1_#t~nondet18#1|)), Black: 8788#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 77140#(and (= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|)) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) |fThread1of1ForFork1_#t~nondet18#1|)), Black: 8792#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 2 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 77148#(and (= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|)) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) |fThread1of1ForFork1_#t~nondet18#1|) (= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 3))) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) |fThread1of1ForFork1_#t~nondet18#1|)), Black: 77136#(= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|)), 3339#true, 172#L1062-4true, Black: 21911#(<= |ULTIMATE.start_main_~j~1#1| 15), Black: 24985#(< |ULTIMATE.start_main_~j~1#1| 19), Black: 23610#(< |ULTIMATE.start_main_~j~1#1| 24), Black: 25535#(< |ULTIMATE.start_main_~j~1#1| 17), Black: 23335#(< |ULTIMATE.start_main_~j~1#1| 25), Black: 24710#(< |ULTIMATE.start_main_~j~1#1| 20), Black: 17630#(= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0), Black: 22224#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 17638#(and (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) 0)), Black: 17634#(and (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) 0)), Black: 24435#(< |ULTIMATE.start_main_~j~1#1| 21), 13269#true, Black: 17642#(and (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 3)) 0)), Black: 22510#(< |ULTIMATE.start_main_~j~1#1| 28), 2287#true, Black: 23060#(< |ULTIMATE.start_main_~j~1#1| 26), Black: 22235#(< |ULTIMATE.start_main_~j~1#1| 29), Black: 25260#(< |ULTIMATE.start_main_~j~1#1| 18), Black: 24160#(< |ULTIMATE.start_main_~j~1#1| 22), Black: 23885#(< |ULTIMATE.start_main_~j~1#1| 23), Black: 22785#(< |ULTIMATE.start_main_~j~1#1| 27), 185498#true, 26615#true]) [2023-11-29 01:43:57,594 INFO L294 olderBase$Statistics]: this new event has 27734 ancestors and is cut-off event [2023-11-29 01:43:57,594 INFO L297 olderBase$Statistics]: existing Event has 27716 ancestors and is cut-off event [2023-11-29 01:43:57,594 INFO L297 olderBase$Statistics]: existing Event has 27734 ancestors and is cut-off event [2023-11-29 01:43:57,595 INFO L297 olderBase$Statistics]: existing Event has 27716 ancestors and is cut-off event [2023-11-29 01:43:58,544 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([609] L1040-9-->L1040-10: Formula: (= (store |v_#race_22| |v_fThread1of1ForFork0_~pos~0#1.base_25| (store (select |v_#race_22| |v_fThread1of1ForFork0_~pos~0#1.base_25|) |v_fThread1of1ForFork0_~pos~0#1.offset_25| |v_fThread1of1ForFork0_#t~nondet18#1_3|)) |v_#race_21|) InVars {#race=|v_#race_22|, fThread1of1ForFork0_~pos~0#1.base=|v_fThread1of1ForFork0_~pos~0#1.base_25|, fThread1of1ForFork0_~pos~0#1.offset=|v_fThread1of1ForFork0_~pos~0#1.offset_25|, fThread1of1ForFork0_#t~nondet18#1=|v_fThread1of1ForFork0_#t~nondet18#1_3|} OutVars{#race=|v_#race_21|, fThread1of1ForFork0_~pos~0#1.base=|v_fThread1of1ForFork0_~pos~0#1.base_25|, fThread1of1ForFork0_~pos~0#1.offset=|v_fThread1of1ForFork0_~pos~0#1.offset_25|, fThread1of1ForFork0_#t~nondet18#1=|v_fThread1of1ForFork0_#t~nondet18#1_3|} AuxVars[] AssignedVars[#race][699], [154#L1044-2true, Black: 43452#(<= |ULTIMATE.start_main_~i~0#1| 1), Black: 43747#(< |ULTIMATE.start_main_~i~0#1| 10), Black: 2916#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 2699#(<= |ULTIMATE.start_main_~j~1#1| 1), 17649#true, Black: 529#(= |ULTIMATE.start_main_~j~1#1| 0), Black: 127319#true, Black: 185487#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) |fThread1of1ForFork0_#t~nondet18#1|) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet18#1|) (= |fThread1of1ForFork0_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)))), 35108#true, Black: 185483#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) |fThread1of1ForFork0_#t~nondet18#1|) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet18#1|)), Black: 185491#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) |fThread1of1ForFork0_#t~nondet18#1|) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet18#1|) (= |fThread1of1ForFork0_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|))) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 3 |fThread1of1ForFork0_~pos~0#1.offset|)) |fThread1of1ForFork0_#t~nondet18#1|)), Black: 35093#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), Black: 35101#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 3 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), Black: 35089#(= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0), 52102#true, Black: 35097#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), 77155#true, 6619#true, 57#L1040-10true, 1752#(= 0 |ULTIMATE.start_new_#res#1.offset|), 301912#true, Black: 4406#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= 0 (select (select |#race| |~#c~0.base|) (+ 3 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))))), fThread1of1ForFork0InUse, Black: 4394#(= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0), Black: 4402#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0)), fThread1of1ForFork1InUse, Black: 4398#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0)), 185479#(= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) |fThread1of1ForFork0_#t~nondet18#1|), 8803#true, Black: 11153#(< |ULTIMATE.start_main_~j~1#1| 29), Black: 11703#(< |ULTIMATE.start_main_~j~1#1| 27), Black: 12528#(< |ULTIMATE.start_main_~j~1#1| 24), Black: 333#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 12253#(< |ULTIMATE.start_main_~j~1#1| 25), Black: 243865#(< |ULTIMATE.start_main_~i~0#1| 10), Black: 11142#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 243516#(<= |ULTIMATE.start_main_~i~0#1| 7), Black: 11978#(< |ULTIMATE.start_main_~j~1#1| 26), Black: 102057#(<= |ULTIMATE.start_main_~i~0#1| 3), Black: 243876#(< |ULTIMATE.start_main_~i~0#1| 9), Black: 11428#(< |ULTIMATE.start_main_~j~1#1| 28), Black: 102399#(< |ULTIMATE.start_main_~i~0#1| 9), Black: 10865#(<= |ULTIMATE.start_main_~j~1#1| 7), Black: 102388#(< |ULTIMATE.start_main_~i~0#1| 10), Black: 110678#(< |ULTIMATE.start_main_~i~0#1| 8), Black: 5914#(< |ULTIMATE.start_main_~j~1#1| 28), Black: 5628#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 5375#(<= |ULTIMATE.start_main_~j~1#1| 3), Black: 5639#(< |ULTIMATE.start_main_~j~1#1| 29), 4413#true, Black: 8796#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 2 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 3 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 8784#(= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0), Black: 77144#(and (= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|)) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) |fThread1of1ForFork1_#t~nondet18#1|) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) |fThread1of1ForFork1_#t~nondet18#1|)), Black: 8788#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 77140#(and (= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|)) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) |fThread1of1ForFork1_#t~nondet18#1|)), Black: 8792#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 2 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 77148#(and (= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|)) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) |fThread1of1ForFork1_#t~nondet18#1|) (= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 3))) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) |fThread1of1ForFork1_#t~nondet18#1|)), Black: 77136#(= |fThread1of1ForFork1_#t~nondet18#1| (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|)), 3339#true, 172#L1062-4true, Black: 21911#(<= |ULTIMATE.start_main_~j~1#1| 15), Black: 24985#(< |ULTIMATE.start_main_~j~1#1| 19), Black: 23610#(< |ULTIMATE.start_main_~j~1#1| 24), Black: 25535#(< |ULTIMATE.start_main_~j~1#1| 17), Black: 23335#(< |ULTIMATE.start_main_~j~1#1| 25), Black: 24710#(< |ULTIMATE.start_main_~j~1#1| 20), Black: 17630#(= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0), Black: 22224#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 17638#(and (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) 0)), Black: 17634#(and (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) 0)), Black: 24435#(< |ULTIMATE.start_main_~j~1#1| 21), 13269#true, Black: 17642#(and (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 3)) 0)), Black: 22510#(< |ULTIMATE.start_main_~j~1#1| 28), 2287#true, Black: 23060#(< |ULTIMATE.start_main_~j~1#1| 26), Black: 22235#(< |ULTIMATE.start_main_~j~1#1| 29), Black: 25260#(< |ULTIMATE.start_main_~j~1#1| 18), Black: 24160#(< |ULTIMATE.start_main_~j~1#1| 22), Black: 23885#(< |ULTIMATE.start_main_~j~1#1| 23), Black: 22785#(< |ULTIMATE.start_main_~j~1#1| 27), 185498#true, 26615#true]) [2023-11-29 01:43:58,545 INFO L294 olderBase$Statistics]: this new event has 27736 ancestors and is cut-off event [2023-11-29 01:43:58,545 INFO L297 olderBase$Statistics]: existing Event has 27718 ancestors and is cut-off event [2023-11-29 01:43:58,545 INFO L297 olderBase$Statistics]: existing Event has 27718 ancestors and is cut-off event [2023-11-29 01:43:58,545 INFO L297 olderBase$Statistics]: existing Event has 27736 ancestors and is cut-off event [2023-11-29 01:44:02,438 INFO L124 PetriNetUnfolderBase]: 1093/32116 cut-off events. [2023-11-29 01:44:02,438 INFO L125 PetriNetUnfolderBase]: For 26746/27352 co-relation queries the response was YES. [2023-11-29 01:44:02,571 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55670 conditions, 32116 events. 1093/32116 cut-off events. For 26746/27352 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 37398 event pairs, 80 based on Foata normal form. 125/31992 useless extension candidates. Maximal degree in co-relation 49488. Up to 9253 conditions per place. [2023-11-29 01:44:02,611 INFO L140 encePairwiseOnDemand]: 311/322 looper letters, 185 selfloop transitions, 40 changer transitions 0/813 dead transitions. [2023-11-29 01:44:02,612 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 559 places, 813 transitions, 6594 flow [2023-11-29 01:44:02,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:44:02,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 01:44:02,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1637 transitions. [2023-11-29 01:44:02,614 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8473084886128365 [2023-11-29 01:44:02,614 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1637 transitions. [2023-11-29 01:44:02,614 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1637 transitions. [2023-11-29 01:44:02,614 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:44:02,614 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1637 transitions. [2023-11-29 01:44:02,615 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 272.8333333333333) internal successors, (1637), 6 states have internal predecessors, (1637), 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) [2023-11-29 01:44:02,616 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 322.0) internal successors, (2254), 7 states have internal predecessors, (2254), 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) [2023-11-29 01:44:02,617 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 322.0) internal successors, (2254), 7 states have internal predecessors, (2254), 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) [2023-11-29 01:44:02,617 INFO L175 Difference]: Start difference. First operand has 554 places, 766 transitions, 5706 flow. Second operand 6 states and 1637 transitions. [2023-11-29 01:44:02,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 559 places, 813 transitions, 6594 flow [2023-11-29 01:44:02,714 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 541 places, 813 transitions, 6548 flow, removed 5 selfloop flow, removed 18 redundant places. [2023-11-29 01:44:02,724 INFO L231 Difference]: Finished difference. Result has 546 places, 801 transitions, 6262 flow [2023-11-29 01:44:02,725 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=5660, PETRI_DIFFERENCE_MINUEND_PLACES=536, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=766, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=744, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=6262, PETRI_PLACES=546, PETRI_TRANSITIONS=801} [2023-11-29 01:44:02,725 INFO L281 CegarLoopForPetriNet]: 312 programPoint places, 234 predicate places. [2023-11-29 01:44:02,725 INFO L495 AbstractCegarLoop]: Abstraction has has 546 places, 801 transitions, 6262 flow [2023-11-29 01:44:02,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 265.5) internal successors, (1593), 6 states have internal predecessors, (1593), 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) [2023-11-29 01:44:02,725 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:44:02,727 INFO L208 CegarLoopForPetriNet]: trace histogram [300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:44:02,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2023-11-29 01:44:02,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2023-11-29 01:44:02,929 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting fErr3ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2023-11-29 01:44:02,930 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:44:02,940 INFO L85 PathProgramCache]: Analyzing trace with hash -30666182, now seen corresponding path program 1 times [2023-11-29 01:44:02,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:44:02,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692306527] [2023-11-29 01:44:02,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:44:02,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:44:06,826 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:44:06,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1411392707] [2023-11-29 01:44:06,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:44:06,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:44:06,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:44:06,828 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:44:06,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9334b829-0302-4946-9984-b68052cc526e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process