./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/unroll-4.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdb14b7-4c1d-467d-a6e7-0157615bb90f/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdb14b7-4c1d-467d-a6e7-0157615bb90f/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdb14b7-4c1d-467d-a6e7-0157615bb90f/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdb14b7-4c1d-467d-a6e7-0157615bb90f/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/unroll-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdb14b7-4c1d-467d-a6e7-0157615bb90f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdb14b7-4c1d-467d-a6e7-0157615bb90f/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bb07434636f33664cc09ed992a41516efeea5f96121c916fb8904844e76d9fcd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:06:56,761 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:06:56,876 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdb14b7-4c1d-467d-a6e7-0157615bb90f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-19 08:06:56,881 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:06:56,882 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:06:56,906 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:06:56,907 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:06:56,907 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:06:56,908 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:06:56,909 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:06:56,910 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:06:56,910 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:06:56,911 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:06:56,911 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:06:56,912 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:06:56,913 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:06:56,913 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:06:56,914 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:06:56,917 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:06:56,918 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:06:56,922 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:06:56,923 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:06:56,924 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 08:06:56,925 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 08:06:56,925 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:06:56,926 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:06:56,926 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:06:56,927 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:06:56,928 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:06:56,928 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:06:56,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:06:56,930 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:06:56,930 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:06:56,930 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:06:56,930 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:06:56,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:06:56,931 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:06:56,931 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:06:56,931 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:06:56,932 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:06:56,933 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:06:56,933 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_9fdb14b7-4c1d-467d-a6e7-0157615bb90f/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdb14b7-4c1d-467d-a6e7-0157615bb90f/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb07434636f33664cc09ed992a41516efeea5f96121c916fb8904844e76d9fcd [2023-11-19 08:06:57,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:06:57,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:06:57,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:06:57,333 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:06:57,333 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:06:57,335 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdb14b7-4c1d-467d-a6e7-0157615bb90f/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/weaver/unroll-4.wvr.c [2023-11-19 08:07:00,483 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:07:00,707 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:07:00,708 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdb14b7-4c1d-467d-a6e7-0157615bb90f/sv-benchmarks/c/weaver/unroll-4.wvr.c [2023-11-19 08:07:00,716 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdb14b7-4c1d-467d-a6e7-0157615bb90f/bin/uautomizer-verify-uCwYo4JHxu/data/71aa562e8/5125fdc094f747b6a563cd216f5616f0/FLAGc17647da4 [2023-11-19 08:07:00,731 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdb14b7-4c1d-467d-a6e7-0157615bb90f/bin/uautomizer-verify-uCwYo4JHxu/data/71aa562e8/5125fdc094f747b6a563cd216f5616f0 [2023-11-19 08:07:00,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:07:00,744 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:07:00,748 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:07:00,749 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:07:00,754 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:07:00,755 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:07:00" (1/1) ... [2023-11-19 08:07:00,756 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@880dfcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:00, skipping insertion in model container [2023-11-19 08:07:00,756 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:07:00" (1/1) ... [2023-11-19 08:07:00,783 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:07:01,098 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:07:01,140 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:07:01,194 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:07:01,212 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:07:01,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:01 WrapperNode [2023-11-19 08:07:01,213 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:07:01,215 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:07:01,215 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:07:01,216 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:07:01,225 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:01" (1/1) ... [2023-11-19 08:07:01,238 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:01" (1/1) ... [2023-11-19 08:07:01,282 INFO L138 Inliner]: procedures = 24, calls = 37, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 319 [2023-11-19 08:07:01,283 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:07:01,283 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:07:01,283 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:07:01,284 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:07:01,293 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:01" (1/1) ... [2023-11-19 08:07:01,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:01" (1/1) ... [2023-11-19 08:07:01,300 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:01" (1/1) ... [2023-11-19 08:07:01,301 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:01" (1/1) ... [2023-11-19 08:07:01,318 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:01" (1/1) ... [2023-11-19 08:07:01,323 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:01" (1/1) ... [2023-11-19 08:07:01,326 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:01" (1/1) ... [2023-11-19 08:07:01,328 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:01" (1/1) ... [2023-11-19 08:07:01,333 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:07:01,334 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:07:01,334 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:07:01,335 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:07:01,335 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:01" (1/1) ... [2023-11-19 08:07:01,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:07:01,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdb14b7-4c1d-467d-a6e7-0157615bb90f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:07:01,388 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdb14b7-4c1d-467d-a6e7-0157615bb90f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:07:01,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdb14b7-4c1d-467d-a6e7-0157615bb90f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:07:01,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:07:01,459 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 08:07:01,459 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 08:07:01,459 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 08:07:01,459 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 08:07:01,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:07:01,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 08:07:01,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 08:07:01,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 08:07:01,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:07:01,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:07:01,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 08:07:01,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 08:07:01,462 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 08:07:01,585 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:07:01,587 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:07:02,212 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:07:02,227 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:07:02,227 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 08:07:02,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:07:02 BoogieIcfgContainer [2023-11-19 08:07:02,234 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:07:02,236 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:07:02,237 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:07:02,240 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:07:02,240 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:07:00" (1/3) ... [2023-11-19 08:07:02,241 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a07f3d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:07:02, skipping insertion in model container [2023-11-19 08:07:02,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:01" (2/3) ... [2023-11-19 08:07:02,242 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a07f3d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:07:02, skipping insertion in model container [2023-11-19 08:07:02,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:07:02" (3/3) ... [2023-11-19 08:07:02,244 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-4.wvr.c [2023-11-19 08:07:02,253 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 08:07:02,266 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:07:02,266 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 48 error locations. [2023-11-19 08:07:02,266 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 08:07:02,405 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-19 08:07:02,454 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 400 places, 414 transitions, 842 flow [2023-11-19 08:07:02,699 INFO L124 PetriNetUnfolderBase]: 21/412 cut-off events. [2023-11-19 08:07:02,700 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 08:07:02,711 INFO L83 FinitePrefix]: Finished finitePrefix Result has 421 conditions, 412 events. 21/412 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 567 event pairs, 0 based on Foata normal form. 0/343 useless extension candidates. Maximal degree in co-relation 264. Up to 2 conditions per place. [2023-11-19 08:07:02,711 INFO L82 GeneralOperation]: Start removeDead. Operand has 400 places, 414 transitions, 842 flow [2023-11-19 08:07:02,722 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 378 places, 391 transitions, 794 flow [2023-11-19 08:07:02,726 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 08:07:02,736 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 378 places, 391 transitions, 794 flow [2023-11-19 08:07:02,739 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 378 places, 391 transitions, 794 flow [2023-11-19 08:07:02,740 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 378 places, 391 transitions, 794 flow [2023-11-19 08:07:02,835 INFO L124 PetriNetUnfolderBase]: 20/391 cut-off events. [2023-11-19 08:07:02,835 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 08:07:02,842 INFO L83 FinitePrefix]: Finished finitePrefix Result has 400 conditions, 391 events. 20/391 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 504 event pairs, 0 based on Foata normal form. 0/324 useless extension candidates. Maximal degree in co-relation 264. Up to 2 conditions per place. [2023-11-19 08:07:02,862 INFO L119 LiptonReduction]: Number of co-enabled transitions 29390 [2023-11-19 08:07:12,002 INFO L134 LiptonReduction]: Checked pairs total: 112074 [2023-11-19 08:07:12,002 INFO L136 LiptonReduction]: Total number of compositions: 419 [2023-11-19 08:07:12,019 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:07:12,027 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;@3163f4b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:07:12,027 INFO L358 AbstractCegarLoop]: Starting to check reachability of 87 error locations. [2023-11-19 08:07:12,029 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 08:07:12,029 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-19 08:07:12,029 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 08:07:12,030 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:07:12,030 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-19 08:07:12,031 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2023-11-19 08:07:12,047 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:12,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1579, now seen corresponding path program 1 times [2023-11-19 08:07:12,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:12,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450501158] [2023-11-19 08:07:12,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:12,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:12,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:12,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:07:12,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:07:12,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450501158] [2023-11-19 08:07:12,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450501158] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:07:12,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:07:12,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-19 08:07:12,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743592707] [2023-11-19 08:07:12,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:07:12,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 08:07:12,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:07:12,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 08:07:12,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:07:12,218 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 396 out of 833 [2023-11-19 08:07:12,223 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 127 transitions, 266 flow. Second operand has 2 states, 2 states have (on average 396.5) internal successors, (793), 2 states have internal predecessors, (793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:12,224 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:07:12,224 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 396 of 833 [2023-11-19 08:07:12,225 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:07:12,716 INFO L124 PetriNetUnfolderBase]: 814/2120 cut-off events. [2023-11-19 08:07:12,716 INFO L125 PetriNetUnfolderBase]: For 86/86 co-relation queries the response was YES. [2023-11-19 08:07:12,721 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3526 conditions, 2120 events. 814/2120 cut-off events. For 86/86 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 13634 event pairs, 699 based on Foata normal form. 226/2187 useless extension candidates. Maximal degree in co-relation 3168. Up to 1356 conditions per place. [2023-11-19 08:07:12,734 INFO L140 encePairwiseOnDemand]: 799/833 looper letters, 46 selfloop transitions, 0 changer transitions 1/93 dead transitions. [2023-11-19 08:07:12,735 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 93 transitions, 292 flow [2023-11-19 08:07:12,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 08:07:12,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-19 08:07:12,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 873 transitions. [2023-11-19 08:07:12,760 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5240096038415366 [2023-11-19 08:07:12,761 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 873 transitions. [2023-11-19 08:07:12,762 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 873 transitions. [2023-11-19 08:07:12,766 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:07:12,769 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 873 transitions. [2023-11-19 08:07:12,775 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 436.5) internal successors, (873), 2 states have internal predecessors, (873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:12,785 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 833.0) internal successors, (2499), 3 states have internal predecessors, (2499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:12,788 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 833.0) internal successors, (2499), 3 states have internal predecessors, (2499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:12,790 INFO L175 Difference]: Start difference. First operand has 124 places, 127 transitions, 266 flow. Second operand 2 states and 873 transitions. [2023-11-19 08:07:12,791 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 93 transitions, 292 flow [2023-11-19 08:07:12,795 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 93 transitions, 284 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-19 08:07:12,799 INFO L231 Difference]: Finished difference. Result has 92 places, 92 transitions, 187 flow [2023-11-19 08:07:12,801 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=833, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=187, PETRI_PLACES=92, PETRI_TRANSITIONS=92} [2023-11-19 08:07:12,805 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -32 predicate places. [2023-11-19 08:07:12,805 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 92 transitions, 187 flow [2023-11-19 08:07:12,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 396.5) internal successors, (793), 2 states have internal predecessors, (793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:12,806 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:07:12,807 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-19 08:07:12,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 08:07:12,807 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2023-11-19 08:07:12,808 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:12,808 INFO L85 PathProgramCache]: Analyzing trace with hash 469923210, now seen corresponding path program 1 times [2023-11-19 08:07:12,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:12,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182652720] [2023-11-19 08:07:12,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:12,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:12,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:13,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:07:13,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:07:13,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182652720] [2023-11-19 08:07:13,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182652720] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:07:13,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:07:13,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:07:13,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120563506] [2023-11-19 08:07:13,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:07:13,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:07:13,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:07:13,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:07:13,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:07:13,055 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 386 out of 833 [2023-11-19 08:07:13,057 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 92 transitions, 187 flow. Second operand has 3 states, 3 states have (on average 388.0) internal successors, (1164), 3 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:13,058 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:07:13,058 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 386 of 833 [2023-11-19 08:07:13,059 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:07:13,471 INFO L124 PetriNetUnfolderBase]: 930/2312 cut-off events. [2023-11-19 08:07:13,471 INFO L125 PetriNetUnfolderBase]: For 27/27 co-relation queries the response was YES. [2023-11-19 08:07:13,476 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3872 conditions, 2312 events. 930/2312 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 14140 event pairs, 807 based on Foata normal form. 0/2157 useless extension candidates. Maximal degree in co-relation 3869. Up to 1544 conditions per place. [2023-11-19 08:07:13,490 INFO L140 encePairwiseOnDemand]: 830/833 looper letters, 47 selfloop transitions, 1 changer transitions 0/90 dead transitions. [2023-11-19 08:07:13,490 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 90 transitions, 279 flow [2023-11-19 08:07:13,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:07:13,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 08:07:13,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1208 transitions. [2023-11-19 08:07:13,497 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4833933573429372 [2023-11-19 08:07:13,497 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1208 transitions. [2023-11-19 08:07:13,497 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1208 transitions. [2023-11-19 08:07:13,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:07:13,499 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1208 transitions. [2023-11-19 08:07:13,503 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 402.6666666666667) internal successors, (1208), 3 states have internal predecessors, (1208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:13,511 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 833.0) internal successors, (3332), 4 states have internal predecessors, (3332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:13,514 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 833.0) internal successors, (3332), 4 states have internal predecessors, (3332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:13,515 INFO L175 Difference]: Start difference. First operand has 92 places, 92 transitions, 187 flow. Second operand 3 states and 1208 transitions. [2023-11-19 08:07:13,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 90 transitions, 279 flow [2023-11-19 08:07:13,519 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 90 transitions, 279 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 08:07:13,522 INFO L231 Difference]: Finished difference. Result has 91 places, 90 transitions, 185 flow [2023-11-19 08:07:13,523 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=833, PETRI_DIFFERENCE_MINUEND_FLOW=183, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=185, PETRI_PLACES=91, PETRI_TRANSITIONS=90} [2023-11-19 08:07:13,524 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -33 predicate places. [2023-11-19 08:07:13,525 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 90 transitions, 185 flow [2023-11-19 08:07:13,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 388.0) internal successors, (1164), 3 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:13,527 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:07:13,528 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:07:13,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 08:07:13,533 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2023-11-19 08:07:13,536 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:13,536 INFO L85 PathProgramCache]: Analyzing trace with hash 625215958, now seen corresponding path program 1 times [2023-11-19 08:07:13,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:13,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421711836] [2023-11-19 08:07:13,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:13,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:13,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:07:13,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:07:13,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421711836] [2023-11-19 08:07:13,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421711836] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:07:13,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:07:13,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:07:13,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826642030] [2023-11-19 08:07:13,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:07:13,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:07:13,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:07:13,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:07:13,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:07:13,720 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 374 out of 833 [2023-11-19 08:07:13,723 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 90 transitions, 185 flow. Second operand has 3 states, 3 states have (on average 376.3333333333333) internal successors, (1129), 3 states have internal predecessors, (1129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:13,723 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:07:13,723 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 374 of 833 [2023-11-19 08:07:13,723 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:07:14,076 INFO L124 PetriNetUnfolderBase]: 814/2027 cut-off events. [2023-11-19 08:07:14,076 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2023-11-19 08:07:14,081 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3396 conditions, 2027 events. 814/2027 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 12545 event pairs, 699 based on Foata normal form. 0/1869 useless extension candidates. Maximal degree in co-relation 3392. Up to 1354 conditions per place. [2023-11-19 08:07:14,093 INFO L140 encePairwiseOnDemand]: 827/833 looper letters, 45 selfloop transitions, 1 changer transitions 0/85 dead transitions. [2023-11-19 08:07:14,094 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 85 transitions, 267 flow [2023-11-19 08:07:14,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:07:14,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 08:07:14,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1173 transitions. [2023-11-19 08:07:14,099 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46938775510204084 [2023-11-19 08:07:14,099 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1173 transitions. [2023-11-19 08:07:14,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1173 transitions. [2023-11-19 08:07:14,101 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:07:14,101 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1173 transitions. [2023-11-19 08:07:14,105 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 391.0) internal successors, (1173), 3 states have internal predecessors, (1173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:14,112 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 833.0) internal successors, (3332), 4 states have internal predecessors, (3332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:14,115 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 833.0) internal successors, (3332), 4 states have internal predecessors, (3332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:14,115 INFO L175 Difference]: Start difference. First operand has 91 places, 90 transitions, 185 flow. Second operand 3 states and 1173 transitions. [2023-11-19 08:07:14,115 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 85 transitions, 267 flow [2023-11-19 08:07:14,117 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 85 transitions, 266 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 08:07:14,120 INFO L231 Difference]: Finished difference. Result has 87 places, 85 transitions, 176 flow [2023-11-19 08:07:14,121 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=833, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=176, PETRI_PLACES=87, PETRI_TRANSITIONS=85} [2023-11-19 08:07:14,122 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -37 predicate places. [2023-11-19 08:07:14,122 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 85 transitions, 176 flow [2023-11-19 08:07:14,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 376.3333333333333) internal successors, (1129), 3 states have internal predecessors, (1129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:14,124 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:07:14,124 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:07:14,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 08:07:14,128 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2023-11-19 08:07:14,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:14,129 INFO L85 PathProgramCache]: Analyzing trace with hash -462238566, now seen corresponding path program 1 times [2023-11-19 08:07:14,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:14,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585750347] [2023-11-19 08:07:14,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:14,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:14,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:14,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:07:14,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:07:14,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585750347] [2023-11-19 08:07:14,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585750347] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:07:14,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:07:14,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:07:14,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881048775] [2023-11-19 08:07:14,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:07:14,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:07:14,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:07:14,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:07:14,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:07:14,260 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 380 out of 833 [2023-11-19 08:07:14,262 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 85 transitions, 176 flow. Second operand has 3 states, 3 states have (on average 383.0) internal successors, (1149), 3 states have internal predecessors, (1149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:14,262 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:07:14,263 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 380 of 833 [2023-11-19 08:07:14,263 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:07:14,645 INFO L124 PetriNetUnfolderBase]: 984/2207 cut-off events. [2023-11-19 08:07:14,645 INFO L125 PetriNetUnfolderBase]: For 27/27 co-relation queries the response was YES. [2023-11-19 08:07:14,651 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3864 conditions, 2207 events. 984/2207 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 13072 event pairs, 189 based on Foata normal form. 0/2001 useless extension candidates. Maximal degree in co-relation 3860. Up to 1418 conditions per place. [2023-11-19 08:07:14,664 INFO L140 encePairwiseOnDemand]: 826/833 looper letters, 63 selfloop transitions, 2 changer transitions 0/98 dead transitions. [2023-11-19 08:07:14,664 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 98 transitions, 334 flow [2023-11-19 08:07:14,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:07:14,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 08:07:14,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1210 transitions. [2023-11-19 08:07:14,670 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4841936774709884 [2023-11-19 08:07:14,670 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1210 transitions. [2023-11-19 08:07:14,670 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1210 transitions. [2023-11-19 08:07:14,672 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:07:14,672 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1210 transitions. [2023-11-19 08:07:14,676 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:14,683 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 833.0) internal successors, (3332), 4 states have internal predecessors, (3332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:14,686 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 833.0) internal successors, (3332), 4 states have internal predecessors, (3332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:14,687 INFO L175 Difference]: Start difference. First operand has 87 places, 85 transitions, 176 flow. Second operand 3 states and 1210 transitions. [2023-11-19 08:07:14,687 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 98 transitions, 334 flow [2023-11-19 08:07:14,688 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 98 transitions, 333 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 08:07:14,690 INFO L231 Difference]: Finished difference. Result has 84 places, 82 transitions, 179 flow [2023-11-19 08:07:14,691 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=833, PETRI_DIFFERENCE_MINUEND_FLOW=165, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=179, PETRI_PLACES=84, PETRI_TRANSITIONS=82} [2023-11-19 08:07:14,693 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -40 predicate places. [2023-11-19 08:07:14,693 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 82 transitions, 179 flow [2023-11-19 08:07:14,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 383.0) internal successors, (1149), 3 states have internal predecessors, (1149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:14,694 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:07:14,695 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:07:14,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 08:07:14,695 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2023-11-19 08:07:14,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:14,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1873469195, now seen corresponding path program 1 times [2023-11-19 08:07:14,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:14,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798088014] [2023-11-19 08:07:14,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:14,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:14,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:14,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:07:14,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:07:14,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798088014] [2023-11-19 08:07:14,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798088014] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:07:14,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:07:14,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:07:14,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237687842] [2023-11-19 08:07:14,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:07:14,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:07:14,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:07:14,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:07:14,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:07:14,928 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 390 out of 833 [2023-11-19 08:07:14,931 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 82 transitions, 179 flow. Second operand has 3 states, 3 states have (on average 392.0) internal successors, (1176), 3 states have internal predecessors, (1176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:14,933 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:07:14,933 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 390 of 833 [2023-11-19 08:07:14,933 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:07:15,294 INFO L124 PetriNetUnfolderBase]: 955/2200 cut-off events. [2023-11-19 08:07:15,294 INFO L125 PetriNetUnfolderBase]: For 92/92 co-relation queries the response was YES. [2023-11-19 08:07:15,301 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3939 conditions, 2200 events. 955/2200 cut-off events. For 92/92 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 13333 event pairs, 764 based on Foata normal form. 0/1989 useless extension candidates. Maximal degree in co-relation 3935. Up to 1588 conditions per place. [2023-11-19 08:07:15,315 INFO L140 encePairwiseOnDemand]: 830/833 looper letters, 47 selfloop transitions, 2 changer transitions 0/83 dead transitions. [2023-11-19 08:07:15,315 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 83 transitions, 279 flow [2023-11-19 08:07:15,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:07:15,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 08:07:15,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1218 transitions. [2023-11-19 08:07:15,321 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48739495798319327 [2023-11-19 08:07:15,321 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1218 transitions. [2023-11-19 08:07:15,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1218 transitions. [2023-11-19 08:07:15,323 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:07:15,323 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1218 transitions. [2023-11-19 08:07:15,327 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 406.0) internal successors, (1218), 3 states have internal predecessors, (1218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:15,335 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 833.0) internal successors, (3332), 4 states have internal predecessors, (3332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:15,338 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 833.0) internal successors, (3332), 4 states have internal predecessors, (3332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:15,338 INFO L175 Difference]: Start difference. First operand has 84 places, 82 transitions, 179 flow. Second operand 3 states and 1218 transitions. [2023-11-19 08:07:15,339 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 83 transitions, 279 flow [2023-11-19 08:07:15,340 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 83 transitions, 279 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 08:07:15,345 INFO L231 Difference]: Finished difference. Result has 87 places, 83 transitions, 191 flow [2023-11-19 08:07:15,345 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=833, PETRI_DIFFERENCE_MINUEND_FLOW=179, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=191, PETRI_PLACES=87, PETRI_TRANSITIONS=83} [2023-11-19 08:07:15,348 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -37 predicate places. [2023-11-19 08:07:15,348 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 83 transitions, 191 flow [2023-11-19 08:07:15,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 392.0) internal successors, (1176), 3 states have internal predecessors, (1176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:15,349 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:07:15,350 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:07:15,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 08:07:15,350 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2023-11-19 08:07:15,351 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:15,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1449599967, now seen corresponding path program 1 times [2023-11-19 08:07:15,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:15,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046267129] [2023-11-19 08:07:15,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:15,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:15,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:15,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 08:07:15,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:07:15,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046267129] [2023-11-19 08:07:15,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046267129] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:07:15,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:07:15,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:07:15,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705787378] [2023-11-19 08:07:15,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:07:15,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:07:15,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:07:15,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:07:15,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:07:16,266 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 382 out of 833 [2023-11-19 08:07:16,270 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 83 transitions, 191 flow. Second operand has 6 states, 6 states have (on average 383.8333333333333) internal successors, (2303), 6 states have internal predecessors, (2303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:16,271 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:07:16,271 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 382 of 833 [2023-11-19 08:07:16,271 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:07:17,322 INFO L124 PetriNetUnfolderBase]: 3203/5279 cut-off events. [2023-11-19 08:07:17,323 INFO L125 PetriNetUnfolderBase]: For 268/268 co-relation queries the response was YES. [2023-11-19 08:07:17,337 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10585 conditions, 5279 events. 3203/5279 cut-off events. For 268/268 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 31259 event pairs, 231 based on Foata normal form. 0/4795 useless extension candidates. Maximal degree in co-relation 10579. Up to 1796 conditions per place. [2023-11-19 08:07:17,367 INFO L140 encePairwiseOnDemand]: 828/833 looper letters, 205 selfloop transitions, 4 changer transitions 0/238 dead transitions. [2023-11-19 08:07:17,368 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 238 transitions, 959 flow [2023-11-19 08:07:17,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:07:17,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 08:07:17,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2491 transitions. [2023-11-19 08:07:17,377 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49839935974389754 [2023-11-19 08:07:17,378 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2491 transitions. [2023-11-19 08:07:17,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2491 transitions. [2023-11-19 08:07:17,380 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:07:17,380 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2491 transitions. [2023-11-19 08:07:17,388 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 415.1666666666667) internal successors, (2491), 6 states have internal predecessors, (2491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:17,401 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 833.0) internal successors, (5831), 7 states have internal predecessors, (5831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:17,405 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 833.0) internal successors, (5831), 7 states have internal predecessors, (5831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:17,405 INFO L175 Difference]: Start difference. First operand has 87 places, 83 transitions, 191 flow. Second operand 6 states and 2491 transitions. [2023-11-19 08:07:17,405 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 238 transitions, 959 flow [2023-11-19 08:07:17,409 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 238 transitions, 955 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-11-19 08:07:17,413 INFO L231 Difference]: Finished difference. Result has 90 places, 82 transitions, 193 flow [2023-11-19 08:07:17,413 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=833, PETRI_DIFFERENCE_MINUEND_FLOW=185, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=193, PETRI_PLACES=90, PETRI_TRANSITIONS=82} [2023-11-19 08:07:17,414 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -34 predicate places. [2023-11-19 08:07:17,414 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 82 transitions, 193 flow [2023-11-19 08:07:17,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 383.8333333333333) internal successors, (2303), 6 states have internal predecessors, (2303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:17,416 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:07:17,416 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:07:17,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 08:07:17,417 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2023-11-19 08:07:17,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:17,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1229220625, now seen corresponding path program 1 times [2023-11-19 08:07:17,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:17,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762934804] [2023-11-19 08:07:17,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:17,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:17,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:17,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 08:07:17,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:07:17,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762934804] [2023-11-19 08:07:17,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762934804] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:07:17,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:07:17,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:07:17,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028438562] [2023-11-19 08:07:17,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:07:17,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:07:17,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:07:17,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:07:17,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:07:17,553 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 391 out of 833 [2023-11-19 08:07:17,555 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 82 transitions, 193 flow. Second operand has 3 states, 3 states have (on average 394.6666666666667) internal successors, (1184), 3 states have internal predecessors, (1184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:17,555 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:07:17,555 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 391 of 833 [2023-11-19 08:07:17,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:07:18,027 INFO L124 PetriNetUnfolderBase]: 1178/2625 cut-off events. [2023-11-19 08:07:18,027 INFO L125 PetriNetUnfolderBase]: For 437/437 co-relation queries the response was YES. [2023-11-19 08:07:18,034 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5160 conditions, 2625 events. 1178/2625 cut-off events. For 437/437 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 15072 event pairs, 334 based on Foata normal form. 0/2397 useless extension candidates. Maximal degree in co-relation 5154. Up to 1306 conditions per place. [2023-11-19 08:07:18,047 INFO L140 encePairwiseOnDemand]: 829/833 looper letters, 67 selfloop transitions, 3 changer transitions 0/103 dead transitions. [2023-11-19 08:07:18,048 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 103 transitions, 382 flow [2023-11-19 08:07:18,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:07:18,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 08:07:18,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1241 transitions. [2023-11-19 08:07:18,054 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4965986394557823 [2023-11-19 08:07:18,054 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1241 transitions. [2023-11-19 08:07:18,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1241 transitions. [2023-11-19 08:07:18,056 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:07:18,056 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1241 transitions. [2023-11-19 08:07:18,060 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 413.6666666666667) internal successors, (1241), 3 states have internal predecessors, (1241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:18,067 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 833.0) internal successors, (3332), 4 states have internal predecessors, (3332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:18,069 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 833.0) internal successors, (3332), 4 states have internal predecessors, (3332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:18,070 INFO L175 Difference]: Start difference. First operand has 90 places, 82 transitions, 193 flow. Second operand 3 states and 1241 transitions. [2023-11-19 08:07:18,070 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 103 transitions, 382 flow [2023-11-19 08:07:18,073 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 103 transitions, 373 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-19 08:07:18,075 INFO L231 Difference]: Finished difference. Result has 89 places, 84 transitions, 205 flow [2023-11-19 08:07:18,076 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=833, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=205, PETRI_PLACES=89, PETRI_TRANSITIONS=84} [2023-11-19 08:07:18,077 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -35 predicate places. [2023-11-19 08:07:18,077 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 84 transitions, 205 flow [2023-11-19 08:07:18,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 394.6666666666667) internal successors, (1184), 3 states have internal predecessors, (1184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:18,078 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:07:18,078 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:07:18,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 08:07:18,079 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2023-11-19 08:07:18,079 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:18,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1128331665, now seen corresponding path program 1 times [2023-11-19 08:07:18,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:18,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050650746] [2023-11-19 08:07:18,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:18,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:18,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:18,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 08:07:18,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:07:18,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050650746] [2023-11-19 08:07:18,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050650746] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:07:18,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:07:18,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:07:18,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228524480] [2023-11-19 08:07:18,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:07:18,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:07:18,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:07:18,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:07:18,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:07:18,956 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 382 out of 833 [2023-11-19 08:07:18,959 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 84 transitions, 205 flow. Second operand has 6 states, 6 states have (on average 384.6666666666667) internal successors, (2308), 6 states have internal predecessors, (2308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:18,959 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:07:18,959 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 382 of 833 [2023-11-19 08:07:18,959 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:07:19,848 INFO L124 PetriNetUnfolderBase]: 1618/3285 cut-off events. [2023-11-19 08:07:19,848 INFO L125 PetriNetUnfolderBase]: For 205/205 co-relation queries the response was YES. [2023-11-19 08:07:19,858 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6390 conditions, 3285 events. 1618/3285 cut-off events. For 205/205 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 18826 event pairs, 959 based on Foata normal form. 0/3049 useless extension candidates. Maximal degree in co-relation 6383. Up to 1962 conditions per place. [2023-11-19 08:07:19,874 INFO L140 encePairwiseOnDemand]: 827/833 looper letters, 182 selfloop transitions, 5 changer transitions 0/215 dead transitions. [2023-11-19 08:07:19,874 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 215 transitions, 901 flow [2023-11-19 08:07:19,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:07:19,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 08:07:19,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2467 transitions. [2023-11-19 08:07:19,885 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4935974389755902 [2023-11-19 08:07:19,885 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2467 transitions. [2023-11-19 08:07:19,885 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2467 transitions. [2023-11-19 08:07:19,887 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:07:19,887 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2467 transitions. [2023-11-19 08:07:19,903 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 411.1666666666667) internal successors, (2467), 6 states have internal predecessors, (2467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:19,923 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 833.0) internal successors, (5831), 7 states have internal predecessors, (5831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:19,925 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 833.0) internal successors, (5831), 7 states have internal predecessors, (5831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:19,926 INFO L175 Difference]: Start difference. First operand has 89 places, 84 transitions, 205 flow. Second operand 6 states and 2467 transitions. [2023-11-19 08:07:19,926 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 215 transitions, 901 flow [2023-11-19 08:07:19,929 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 215 transitions, 890 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 08:07:19,933 INFO L231 Difference]: Finished difference. Result has 92 places, 83 transitions, 210 flow [2023-11-19 08:07:19,934 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=833, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=210, PETRI_PLACES=92, PETRI_TRANSITIONS=83} [2023-11-19 08:07:19,936 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -32 predicate places. [2023-11-19 08:07:19,936 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 83 transitions, 210 flow [2023-11-19 08:07:19,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 384.6666666666667) internal successors, (2308), 6 states have internal predecessors, (2308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:19,938 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:07:19,938 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:07:19,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-19 08:07:19,938 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2023-11-19 08:07:19,939 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:19,939 INFO L85 PathProgramCache]: Analyzing trace with hash -82133198, now seen corresponding path program 1 times [2023-11-19 08:07:19,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:19,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955663636] [2023-11-19 08:07:19,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:19,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:19,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:20,433 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 08:07:20,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:07:20,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955663636] [2023-11-19 08:07:20,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955663636] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:07:20,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:07:20,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:07:20,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911622815] [2023-11-19 08:07:20,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:07:20,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:07:20,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:07:20,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:07:20,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:07:20,891 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 361 out of 833 [2023-11-19 08:07:20,894 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 83 transitions, 210 flow. Second operand has 6 states, 6 states have (on average 363.8333333333333) internal successors, (2183), 6 states have internal predecessors, (2183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:20,894 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:07:20,894 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 361 of 833 [2023-11-19 08:07:20,894 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:07:21,511 INFO L124 PetriNetUnfolderBase]: 1613/2955 cut-off events. [2023-11-19 08:07:21,512 INFO L125 PetriNetUnfolderBase]: For 250/250 co-relation queries the response was YES. [2023-11-19 08:07:21,524 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6145 conditions, 2955 events. 1613/2955 cut-off events. For 250/250 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 14728 event pairs, 834 based on Foata normal form. 40/2759 useless extension candidates. Maximal degree in co-relation 6138. Up to 1717 conditions per place. [2023-11-19 08:07:21,538 INFO L140 encePairwiseOnDemand]: 808/833 looper letters, 88 selfloop transitions, 23 changer transitions 0/127 dead transitions. [2023-11-19 08:07:21,538 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 127 transitions, 540 flow [2023-11-19 08:07:21,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:07:21,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 08:07:21,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2276 transitions. [2023-11-19 08:07:21,549 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4553821528611445 [2023-11-19 08:07:21,550 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2276 transitions. [2023-11-19 08:07:21,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2276 transitions. [2023-11-19 08:07:21,552 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:07:21,552 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2276 transitions. [2023-11-19 08:07:21,559 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 379.3333333333333) internal successors, (2276), 6 states have internal predecessors, (2276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:21,571 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 833.0) internal successors, (5831), 7 states have internal predecessors, (5831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:21,573 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 833.0) internal successors, (5831), 7 states have internal predecessors, (5831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:21,574 INFO L175 Difference]: Start difference. First operand has 92 places, 83 transitions, 210 flow. Second operand 6 states and 2276 transitions. [2023-11-19 08:07:21,574 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 127 transitions, 540 flow [2023-11-19 08:07:21,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 127 transitions, 522 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-19 08:07:21,579 INFO L231 Difference]: Finished difference. Result has 88 places, 79 transitions, 238 flow [2023-11-19 08:07:21,579 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=833, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=238, PETRI_PLACES=88, PETRI_TRANSITIONS=79} [2023-11-19 08:07:21,580 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -36 predicate places. [2023-11-19 08:07:21,580 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 79 transitions, 238 flow [2023-11-19 08:07:21,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 363.8333333333333) internal successors, (2183), 6 states have internal predecessors, (2183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:21,582 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:07:21,582 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] [2023-11-19 08:07:21,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-19 08:07:21,583 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2023-11-19 08:07:21,583 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:21,583 INFO L85 PathProgramCache]: Analyzing trace with hash -949791475, now seen corresponding path program 1 times [2023-11-19 08:07:21,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:21,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69893481] [2023-11-19 08:07:21,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:21,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:22,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 08:07:22,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:07:22,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69893481] [2023-11-19 08:07:22,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69893481] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:07:22,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:07:22,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:07:22,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890857342] [2023-11-19 08:07:22,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:07:22,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:07:22,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:07:22,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:07:22,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:07:22,494 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 382 out of 833 [2023-11-19 08:07:22,497 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 79 transitions, 238 flow. Second operand has 6 states, 6 states have (on average 384.5) internal successors, (2307), 6 states have internal predecessors, (2307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:22,497 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:07:22,497 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 382 of 833 [2023-11-19 08:07:22,497 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:07:23,207 INFO L124 PetriNetUnfolderBase]: 1350/2755 cut-off events. [2023-11-19 08:07:23,208 INFO L125 PetriNetUnfolderBase]: For 233/233 co-relation queries the response was YES. [2023-11-19 08:07:23,218 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5965 conditions, 2755 events. 1350/2755 cut-off events. For 233/233 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 15174 event pairs, 921 based on Foata normal form. 0/2543 useless extension candidates. Maximal degree in co-relation 5958. Up to 1879 conditions per place. [2023-11-19 08:07:23,221 INFO L140 encePairwiseOnDemand]: 828/833 looper letters, 0 selfloop transitions, 0 changer transitions 202/202 dead transitions. [2023-11-19 08:07:23,221 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 202 transitions, 990 flow [2023-11-19 08:07:23,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:07:23,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 08:07:23,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2455 transitions. [2023-11-19 08:07:23,231 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49119647859143656 [2023-11-19 08:07:23,231 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2455 transitions. [2023-11-19 08:07:23,231 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2455 transitions. [2023-11-19 08:07:23,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:07:23,233 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2455 transitions. [2023-11-19 08:07:23,239 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 409.1666666666667) internal successors, (2455), 6 states have internal predecessors, (2455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:23,250 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 833.0) internal successors, (5831), 7 states have internal predecessors, (5831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:23,252 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 833.0) internal successors, (5831), 7 states have internal predecessors, (5831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:23,252 INFO L175 Difference]: Start difference. First operand has 88 places, 79 transitions, 238 flow. Second operand 6 states and 2455 transitions. [2023-11-19 08:07:23,252 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 202 transitions, 990 flow [2023-11-19 08:07:23,257 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 202 transitions, 856 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-19 08:07:23,259 INFO L231 Difference]: Finished difference. Result has 87 places, 0 transitions, 0 flow [2023-11-19 08:07:23,259 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=833, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=87, PETRI_TRANSITIONS=0} [2023-11-19 08:07:23,260 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -37 predicate places. [2023-11-19 08:07:23,260 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 0 transitions, 0 flow [2023-11-19 08:07:23,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 384.5) internal successors, (2307), 6 states have internal predecessors, (2307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:23,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (86 of 87 remaining) [2023-11-19 08:07:23,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (85 of 87 remaining) [2023-11-19 08:07:23,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (84 of 87 remaining) [2023-11-19 08:07:23,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (83 of 87 remaining) [2023-11-19 08:07:23,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (82 of 87 remaining) [2023-11-19 08:07:23,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (81 of 87 remaining) [2023-11-19 08:07:23,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (80 of 87 remaining) [2023-11-19 08:07:23,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (79 of 87 remaining) [2023-11-19 08:07:23,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (78 of 87 remaining) [2023-11-19 08:07:23,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (77 of 87 remaining) [2023-11-19 08:07:23,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (76 of 87 remaining) [2023-11-19 08:07:23,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (75 of 87 remaining) [2023-11-19 08:07:23,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (74 of 87 remaining) [2023-11-19 08:07:23,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (73 of 87 remaining) [2023-11-19 08:07:23,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (72 of 87 remaining) [2023-11-19 08:07:23,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (71 of 87 remaining) [2023-11-19 08:07:23,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (70 of 87 remaining) [2023-11-19 08:07:23,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (69 of 87 remaining) [2023-11-19 08:07:23,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (68 of 87 remaining) [2023-11-19 08:07:23,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (67 of 87 remaining) [2023-11-19 08:07:23,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (66 of 87 remaining) [2023-11-19 08:07:23,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (65 of 87 remaining) [2023-11-19 08:07:23,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (64 of 87 remaining) [2023-11-19 08:07:23,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (63 of 87 remaining) [2023-11-19 08:07:23,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (62 of 87 remaining) [2023-11-19 08:07:23,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (61 of 87 remaining) [2023-11-19 08:07:23,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (60 of 87 remaining) [2023-11-19 08:07:23,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (59 of 87 remaining) [2023-11-19 08:07:23,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (58 of 87 remaining) [2023-11-19 08:07:23,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (57 of 87 remaining) [2023-11-19 08:07:23,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (56 of 87 remaining) [2023-11-19 08:07:23,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (55 of 87 remaining) [2023-11-19 08:07:23,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (54 of 87 remaining) [2023-11-19 08:07:23,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (53 of 87 remaining) [2023-11-19 08:07:23,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (52 of 87 remaining) [2023-11-19 08:07:23,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (51 of 87 remaining) [2023-11-19 08:07:23,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (50 of 87 remaining) [2023-11-19 08:07:23,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (49 of 87 remaining) [2023-11-19 08:07:23,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (48 of 87 remaining) [2023-11-19 08:07:23,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (47 of 87 remaining) [2023-11-19 08:07:23,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (46 of 87 remaining) [2023-11-19 08:07:23,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (45 of 87 remaining) [2023-11-19 08:07:23,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (44 of 87 remaining) [2023-11-19 08:07:23,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (43 of 87 remaining) [2023-11-19 08:07:23,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (42 of 87 remaining) [2023-11-19 08:07:23,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (41 of 87 remaining) [2023-11-19 08:07:23,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (40 of 87 remaining) [2023-11-19 08:07:23,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (39 of 87 remaining) [2023-11-19 08:07:23,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (38 of 87 remaining) [2023-11-19 08:07:23,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (37 of 87 remaining) [2023-11-19 08:07:23,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (36 of 87 remaining) [2023-11-19 08:07:23,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (35 of 87 remaining) [2023-11-19 08:07:23,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (34 of 87 remaining) [2023-11-19 08:07:23,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (33 of 87 remaining) [2023-11-19 08:07:23,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (32 of 87 remaining) [2023-11-19 08:07:23,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (31 of 87 remaining) [2023-11-19 08:07:23,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (30 of 87 remaining) [2023-11-19 08:07:23,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (29 of 87 remaining) [2023-11-19 08:07:23,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (28 of 87 remaining) [2023-11-19 08:07:23,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (27 of 87 remaining) [2023-11-19 08:07:23,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (26 of 87 remaining) [2023-11-19 08:07:23,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (25 of 87 remaining) [2023-11-19 08:07:23,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (24 of 87 remaining) [2023-11-19 08:07:23,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (23 of 87 remaining) [2023-11-19 08:07:23,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (22 of 87 remaining) [2023-11-19 08:07:23,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (21 of 87 remaining) [2023-11-19 08:07:23,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (20 of 87 remaining) [2023-11-19 08:07:23,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (19 of 87 remaining) [2023-11-19 08:07:23,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (18 of 87 remaining) [2023-11-19 08:07:23,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (17 of 87 remaining) [2023-11-19 08:07:23,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (16 of 87 remaining) [2023-11-19 08:07:23,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (15 of 87 remaining) [2023-11-19 08:07:23,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (14 of 87 remaining) [2023-11-19 08:07:23,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (13 of 87 remaining) [2023-11-19 08:07:23,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (12 of 87 remaining) [2023-11-19 08:07:23,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (11 of 87 remaining) [2023-11-19 08:07:23,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (10 of 87 remaining) [2023-11-19 08:07:23,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (9 of 87 remaining) [2023-11-19 08:07:23,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (8 of 87 remaining) [2023-11-19 08:07:23,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (7 of 87 remaining) [2023-11-19 08:07:23,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (6 of 87 remaining) [2023-11-19 08:07:23,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (5 of 87 remaining) [2023-11-19 08:07:23,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (4 of 87 remaining) [2023-11-19 08:07:23,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (3 of 87 remaining) [2023-11-19 08:07:23,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (2 of 87 remaining) [2023-11-19 08:07:23,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (1 of 87 remaining) [2023-11-19 08:07:23,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (0 of 87 remaining) [2023-11-19 08:07:23,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-19 08:07:23,280 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:07:23,287 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 08:07:23,287 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 08:07:23,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:07:23 BasicIcfg [2023-11-19 08:07:23,291 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 08:07:23,292 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:07:23,292 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:07:23,292 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:07:23,293 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:07:02" (3/4) ... [2023-11-19 08:07:23,295 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 08:07:23,299 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-19 08:07:23,300 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-19 08:07:23,306 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-19 08:07:23,306 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 08:07:23,307 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 08:07:23,307 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 08:07:23,408 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdb14b7-4c1d-467d-a6e7-0157615bb90f/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 08:07:23,409 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdb14b7-4c1d-467d-a6e7-0157615bb90f/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 08:07:23,409 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:07:23,410 INFO L158 Benchmark]: Toolchain (without parser) took 22666.24ms. Allocated memory was 146.8MB in the beginning and 417.3MB in the end (delta: 270.5MB). Free memory was 108.7MB in the beginning and 167.1MB in the end (delta: -58.3MB). Peak memory consumption was 212.0MB. Max. memory is 16.1GB. [2023-11-19 08:07:23,411 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 111.1MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:07:23,411 INFO L158 Benchmark]: CACSL2BoogieTranslator took 465.94ms. Allocated memory is still 146.8MB. Free memory was 108.7MB in the beginning and 116.4MB in the end (delta: -7.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 08:07:23,411 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.18ms. Allocated memory is still 146.8MB. Free memory was 116.4MB in the beginning and 113.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:07:23,412 INFO L158 Benchmark]: Boogie Preprocessor took 50.14ms. Allocated memory is still 146.8MB. Free memory was 113.8MB in the beginning and 110.9MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 08:07:23,412 INFO L158 Benchmark]: RCFGBuilder took 899.90ms. Allocated memory is still 146.8MB. Free memory was 110.9MB in the beginning and 79.5MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-19 08:07:23,413 INFO L158 Benchmark]: TraceAbstraction took 21055.13ms. Allocated memory was 146.8MB in the beginning and 417.3MB in the end (delta: 270.5MB). Free memory was 78.8MB in the beginning and 172.3MB in the end (delta: -93.5MB). Peak memory consumption was 227.6MB. Max. memory is 16.1GB. [2023-11-19 08:07:23,413 INFO L158 Benchmark]: Witness Printer took 117.40ms. Allocated memory is still 417.3MB. Free memory was 172.3MB in the beginning and 167.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 08:07:23,415 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 111.1MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 465.94ms. Allocated memory is still 146.8MB. Free memory was 108.7MB in the beginning and 116.4MB in the end (delta: -7.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.18ms. Allocated memory is still 146.8MB. Free memory was 116.4MB in the beginning and 113.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.14ms. Allocated memory is still 146.8MB. Free memory was 113.8MB in the beginning and 110.9MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 899.90ms. Allocated memory is still 146.8MB. Free memory was 110.9MB in the beginning and 79.5MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 21055.13ms. Allocated memory was 146.8MB in the beginning and 417.3MB in the end (delta: 270.5MB). Free memory was 78.8MB in the beginning and 172.3MB in the end (delta: -93.5MB). Peak memory consumption was 227.6MB. Max. memory is 16.1GB. * Witness Printer took 117.40ms. Allocated memory is still 417.3MB. Free memory was 172.3MB in the beginning and 167.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.3s, 378 PlacesBefore, 124 PlacesAfterwards, 391 TransitionsBefore, 127 TransitionsAfterwards, 29390 CoEnabledTransitionPairs, 8 FixpointIterations, 126 TrivialSequentialCompositions, 217 ConcurrentSequentialCompositions, 21 TrivialYvCompositions, 45 ConcurrentYvCompositions, 10 ChoiceCompositions, 419 TotalNumberOfCompositions, 112074 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 38093, independent: 36728, independent conditional: 0, independent unconditional: 36728, dependent: 1365, dependent conditional: 0, dependent unconditional: 1365, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 16615, independent: 16356, independent conditional: 0, independent unconditional: 16356, dependent: 259, dependent conditional: 0, dependent unconditional: 259, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 38093, independent: 20372, independent conditional: 0, independent unconditional: 20372, dependent: 1106, dependent conditional: 0, dependent unconditional: 1106, unknown: 16615, unknown conditional: 0, unknown unconditional: 16615] , Statistics on independence cache: Total cache size (in pairs): 1307, Positive cache size: 1182, Positive conditional cache size: 0, Positive unconditional cache size: 1182, Negative cache size: 125, Negative conditional cache size: 0, Negative unconditional cache size: 125, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 629 locations, 87 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 20.8s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1479 SdHoareTripleChecker+Valid, 3.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 936 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 536 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3373 IncrementalHoareTripleChecker+Invalid, 3909 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 536 mSolverCounterUnsat, 13 mSDtfsCounter, 3373 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=266occurred in iteration=0, InterpolantAutomatonStates: 41, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 117 NumberOfCodeBlocks, 117 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 527 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 5/5 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 48 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-19 08:07:23,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdb14b7-4c1d-467d-a6e7-0157615bb90f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE