./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/02-base_25-malloc_race_cp.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624d2718-ea40-440c-be3f-848bc6de2d29/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624d2718-ea40-440c-be3f-848bc6de2d29/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624d2718-ea40-440c-be3f-848bc6de2d29/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624d2718-ea40-440c-be3f-848bc6de2d29/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/02-base_25-malloc_race_cp.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624d2718-ea40-440c-be3f-848bc6de2d29/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624d2718-ea40-440c-be3f-848bc6de2d29/bin/uautomizer-verify-aQ6SnzHsRB --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 1bf1a57452cb04c4e0acc7059a368e9894233cf719b7dca68f11bd8477a0c6ed --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:27:49,400 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:27:49,478 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624d2718-ea40-440c-be3f-848bc6de2d29/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-27 23:27:49,490 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:27:49,490 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:27:49,531 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:27:49,533 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:27:49,533 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:27:49,534 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:27:49,534 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:27:49,534 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:27:49,534 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:27:49,534 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:27:49,535 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:27:49,535 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 23:27:49,535 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 23:27:49,535 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 23:27:49,535 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 23:27:49,535 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:27:49,535 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 23:27:49,535 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:27:49,536 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 23:27:49,536 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-27 23:27:49,536 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 23:27:49,536 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 23:27:49,536 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:27:49,536 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:27:49,536 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:27:49,536 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:27:49,538 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:27:49,538 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:27:49,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:27:49,539 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:27:49,539 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:27:49,539 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:27:49,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:27:49,539 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:27:49,539 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:27:49,539 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 23:27:49,539 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 23:27:49,539 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 23:27:49,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 23:27:49,540 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:27:49,540 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:27:49,540 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:27:49,540 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:27:49,540 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_624d2718-ea40-440c-be3f-848bc6de2d29/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 1bf1a57452cb04c4e0acc7059a368e9894233cf719b7dca68f11bd8477a0c6ed [2024-11-27 23:27:49,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:27:49,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:27:49,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:27:49,895 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:27:49,896 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:27:49,897 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624d2718-ea40-440c-be3f-848bc6de2d29/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/goblint-regression/02-base_25-malloc_race_cp.i [2024-11-27 23:27:52,896 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624d2718-ea40-440c-be3f-848bc6de2d29/bin/uautomizer-verify-aQ6SnzHsRB/data/f9391f9eb/a9a286ebc3be4025a4fcef389ad8f0c8/FLAGd53d273ee [2024-11-27 23:27:53,317 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:27:53,318 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624d2718-ea40-440c-be3f-848bc6de2d29/sv-benchmarks/c/goblint-regression/02-base_25-malloc_race_cp.i [2024-11-27 23:27:53,345 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624d2718-ea40-440c-be3f-848bc6de2d29/bin/uautomizer-verify-aQ6SnzHsRB/data/f9391f9eb/a9a286ebc3be4025a4fcef389ad8f0c8/FLAGd53d273ee [2024-11-27 23:27:53,465 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624d2718-ea40-440c-be3f-848bc6de2d29/bin/uautomizer-verify-aQ6SnzHsRB/data/f9391f9eb/a9a286ebc3be4025a4fcef389ad8f0c8 [2024-11-27 23:27:53,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:27:53,471 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:27:53,473 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:27:53,473 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:27:53,477 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:27:53,478 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:27:53" (1/1) ... [2024-11-27 23:27:53,479 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4be3bfee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:53, skipping insertion in model container [2024-11-27 23:27:53,481 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:27:53" (1/1) ... [2024-11-27 23:27:53,537 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:27:54,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:27:54,136 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:27:54,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:27:54,293 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:27:54,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:54 WrapperNode [2024-11-27 23:27:54,294 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:27:54,295 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:27:54,296 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:27:54,296 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:27:54,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:54" (1/1) ... [2024-11-27 23:27:54,317 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:54" (1/1) ... [2024-11-27 23:27:54,337 INFO L138 Inliner]: procedures = 365, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 66 [2024-11-27 23:27:54,338 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:27:54,339 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:27:54,339 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:27:54,339 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:27:54,346 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:54" (1/1) ... [2024-11-27 23:27:54,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:54" (1/1) ... [2024-11-27 23:27:54,350 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:54" (1/1) ... [2024-11-27 23:27:54,350 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:54" (1/1) ... [2024-11-27 23:27:54,359 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:54" (1/1) ... [2024-11-27 23:27:54,360 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:54" (1/1) ... [2024-11-27 23:27:54,362 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:54" (1/1) ... [2024-11-27 23:27:54,363 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:54" (1/1) ... [2024-11-27 23:27:54,364 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:54" (1/1) ... [2024-11-27 23:27:54,366 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:27:54,367 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:27:54,367 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:27:54,367 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:27:54,368 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:54" (1/1) ... [2024-11-27 23:27:54,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:27:54,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624d2718-ea40-440c-be3f-848bc6de2d29/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:27:54,407 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624d2718-ea40-440c-be3f-848bc6de2d29/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:27:54,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624d2718-ea40-440c-be3f-848bc6de2d29/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:27:54,443 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-27 23:27:54,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-27 23:27:54,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-27 23:27:54,443 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-27 23:27:54,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 23:27:54,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:27:54,443 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-27 23:27:54,443 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-27 23:27:54,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 23:27:54,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:27:54,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:27:54,445 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 23:27:54,594 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:27:54,597 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:27:54,918 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 23:27:54,919 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:27:54,955 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:27:54,955 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-27 23:27:54,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:27:54 BoogieIcfgContainer [2024-11-27 23:27:54,956 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:27:54,959 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:27:54,959 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:27:54,967 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:27:54,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:27:53" (1/3) ... [2024-11-27 23:27:54,969 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50e147ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:27:54, skipping insertion in model container [2024-11-27 23:27:54,969 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:54" (2/3) ... [2024-11-27 23:27:54,970 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50e147ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:27:54, skipping insertion in model container [2024-11-27 23:27:54,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:27:54" (3/3) ... [2024-11-27 23:27:54,971 INFO L128 eAbstractionObserver]: Analyzing ICFG 02-base_25-malloc_race_cp.i [2024-11-27 23:27:54,988 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:27:54,990 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 02-base_25-malloc_race_cp.i that has 2 procedures, 105 locations, 1 initial locations, 0 loop locations, and 10 error locations. [2024-11-27 23:27:54,992 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 23:27:55,087 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-27 23:27:55,145 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 108 places, 104 transitions, 212 flow [2024-11-27 23:27:55,225 INFO L124 PetriNetUnfolderBase]: 0/103 cut-off events. [2024-11-27 23:27:55,229 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 23:27:55,234 INFO L83 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 103 events. 0/103 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 77 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-27 23:27:55,234 INFO L82 GeneralOperation]: Start removeDead. Operand has 108 places, 104 transitions, 212 flow [2024-11-27 23:27:55,239 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 107 places, 103 transitions, 209 flow [2024-11-27 23:27:55,255 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:27:55,276 INFO L333 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, 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;@31b8a9e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:27:55,276 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-11-27 23:27:55,287 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-27 23:27:55,289 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2024-11-27 23:27:55,289 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 23:27:55,289 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:27:55,290 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:55,290 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-27 23:27:55,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:55,297 INFO L85 PathProgramCache]: Analyzing trace with hash -2046640981, now seen corresponding path program 1 times [2024-11-27 23:27:55,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:55,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223147182] [2024-11-27 23:27:55,306 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:55,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:55,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:55,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:27:55,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:55,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223147182] [2024-11-27 23:27:55,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223147182] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:55,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:55,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:27:55,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923263429] [2024-11-27 23:27:55,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:55,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:27:55,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:55,577 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:27:55,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:27:55,612 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 104 [2024-11-27 23:27:55,616 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 103 transitions, 209 flow. Second operand has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:55,616 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:27:55,616 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 104 [2024-11-27 23:27:55,617 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:27:55,712 INFO L124 PetriNetUnfolderBase]: 12/234 cut-off events. [2024-11-27 23:27:55,712 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-27 23:27:55,716 INFO L83 FinitePrefix]: Finished finitePrefix Result has 276 conditions, 234 events. 12/234 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 664 event pairs, 12 based on Foata normal form. 0/203 useless extension candidates. Maximal degree in co-relation 227. Up to 36 conditions per place. [2024-11-27 23:27:55,718 INFO L140 encePairwiseOnDemand]: 101/104 looper letters, 11 selfloop transitions, 2 changer transitions 0/102 dead transitions. [2024-11-27 23:27:55,718 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 102 transitions, 233 flow [2024-11-27 23:27:55,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:27:55,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:27:55,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 284 transitions. [2024-11-27 23:27:55,734 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9102564102564102 [2024-11-27 23:27:55,736 INFO L175 Difference]: Start difference. First operand has 107 places, 103 transitions, 209 flow. Second operand 3 states and 284 transitions. [2024-11-27 23:27:55,737 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 102 transitions, 233 flow [2024-11-27 23:27:55,743 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 102 transitions, 232 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 23:27:55,747 INFO L231 Difference]: Finished difference. Result has 107 places, 102 transitions, 210 flow [2024-11-27 23:27:55,750 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=210, PETRI_PLACES=107, PETRI_TRANSITIONS=102} [2024-11-27 23:27:55,754 INFO L279 CegarLoopForPetriNet]: 107 programPoint places, 0 predicate places. [2024-11-27 23:27:55,754 INFO L471 AbstractCegarLoop]: Abstraction has has 107 places, 102 transitions, 210 flow [2024-11-27 23:27:55,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:55,755 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:27:55,755 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:55,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 23:27:55,755 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-27 23:27:55,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:55,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1419190674, now seen corresponding path program 1 times [2024-11-27 23:27:55,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:55,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639602405] [2024-11-27 23:27:55,757 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:55,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:55,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:55,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:27:55,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:55,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639602405] [2024-11-27 23:27:55,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639602405] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:55,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:55,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:27:55,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579415997] [2024-11-27 23:27:55,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:55,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:27:55,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:55,889 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:27:55,889 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:27:55,922 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 104 [2024-11-27 23:27:55,923 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 102 transitions, 210 flow. Second operand has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:55,923 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:27:55,923 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 104 [2024-11-27 23:27:55,925 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:27:56,031 INFO L124 PetriNetUnfolderBase]: 9/200 cut-off events. [2024-11-27 23:27:56,031 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 23:27:56,032 INFO L83 FinitePrefix]: Finished finitePrefix Result has 238 conditions, 200 events. 9/200 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 514 event pairs, 9 based on Foata normal form. 0/177 useless extension candidates. Maximal degree in co-relation 210. Up to 30 conditions per place. [2024-11-27 23:27:56,033 INFO L140 encePairwiseOnDemand]: 101/104 looper letters, 11 selfloop transitions, 2 changer transitions 0/101 dead transitions. [2024-11-27 23:27:56,033 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 101 transitions, 234 flow [2024-11-27 23:27:56,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:27:56,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:27:56,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 284 transitions. [2024-11-27 23:27:56,073 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9102564102564102 [2024-11-27 23:27:56,074 INFO L175 Difference]: Start difference. First operand has 107 places, 102 transitions, 210 flow. Second operand 3 states and 284 transitions. [2024-11-27 23:27:56,074 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 101 transitions, 234 flow [2024-11-27 23:27:56,075 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 101 transitions, 230 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 23:27:56,077 INFO L231 Difference]: Finished difference. Result has 106 places, 101 transitions, 208 flow [2024-11-27 23:27:56,080 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=208, PETRI_PLACES=106, PETRI_TRANSITIONS=101} [2024-11-27 23:27:56,081 INFO L279 CegarLoopForPetriNet]: 107 programPoint places, -1 predicate places. [2024-11-27 23:27:56,081 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 101 transitions, 208 flow [2024-11-27 23:27:56,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:56,081 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:27:56,081 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:56,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 23:27:56,082 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-27 23:27:56,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:56,083 INFO L85 PathProgramCache]: Analyzing trace with hash 177711188, now seen corresponding path program 1 times [2024-11-27 23:27:56,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:56,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294564848] [2024-11-27 23:27:56,083 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:56,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:56,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:56,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:27:56,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:56,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294564848] [2024-11-27 23:27:56,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294564848] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:56,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:56,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:27:56,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890036585] [2024-11-27 23:27:56,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:56,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:27:56,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:56,151 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:27:56,151 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:27:56,168 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 104 [2024-11-27 23:27:56,169 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 101 transitions, 208 flow. Second operand has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:56,169 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:27:56,169 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 104 [2024-11-27 23:27:56,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:27:56,217 INFO L124 PetriNetUnfolderBase]: 8/165 cut-off events. [2024-11-27 23:27:56,218 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-27 23:27:56,218 INFO L83 FinitePrefix]: Finished finitePrefix Result has 198 conditions, 165 events. 8/165 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 400 event pairs, 8 based on Foata normal form. 0/151 useless extension candidates. Maximal degree in co-relation 163. Up to 25 conditions per place. [2024-11-27 23:27:56,219 INFO L140 encePairwiseOnDemand]: 101/104 looper letters, 9 selfloop transitions, 1 changer transitions 0/99 dead transitions. [2024-11-27 23:27:56,219 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 99 transitions, 224 flow [2024-11-27 23:27:56,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:27:56,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:27:56,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 288 transitions. [2024-11-27 23:27:56,221 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9230769230769231 [2024-11-27 23:27:56,221 INFO L175 Difference]: Start difference. First operand has 106 places, 101 transitions, 208 flow. Second operand 3 states and 288 transitions. [2024-11-27 23:27:56,221 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 99 transitions, 224 flow [2024-11-27 23:27:56,222 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 99 transitions, 220 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 23:27:56,224 INFO L231 Difference]: Finished difference. Result has 104 places, 99 transitions, 202 flow [2024-11-27 23:27:56,224 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=202, PETRI_PLACES=104, PETRI_TRANSITIONS=99} [2024-11-27 23:27:56,225 INFO L279 CegarLoopForPetriNet]: 107 programPoint places, -3 predicate places. [2024-11-27 23:27:56,225 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 99 transitions, 202 flow [2024-11-27 23:27:56,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:56,225 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:27:56,225 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:56,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 23:27:56,226 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-27 23:27:56,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:56,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1291684622, now seen corresponding path program 1 times [2024-11-27 23:27:56,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:56,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588312865] [2024-11-27 23:27:56,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:56,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:56,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:56,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:27:56,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:56,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588312865] [2024-11-27 23:27:56,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588312865] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:56,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:56,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:27:56,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814230209] [2024-11-27 23:27:56,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:56,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:27:56,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:56,356 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:27:56,356 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:27:56,377 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 104 [2024-11-27 23:27:56,378 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 99 transitions, 202 flow. Second operand has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:56,378 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:27:56,379 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 104 [2024-11-27 23:27:56,379 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:27:56,452 INFO L124 PetriNetUnfolderBase]: 16/249 cut-off events. [2024-11-27 23:27:56,453 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 23:27:56,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 297 conditions, 249 events. 16/249 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 822 event pairs, 7 based on Foata normal form. 0/230 useless extension candidates. Maximal degree in co-relation 262. Up to 36 conditions per place. [2024-11-27 23:27:56,458 INFO L140 encePairwiseOnDemand]: 100/104 looper letters, 12 selfloop transitions, 2 changer transitions 0/101 dead transitions. [2024-11-27 23:27:56,458 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 101 transitions, 234 flow [2024-11-27 23:27:56,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:27:56,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:27:56,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 292 transitions. [2024-11-27 23:27:56,460 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9358974358974359 [2024-11-27 23:27:56,460 INFO L175 Difference]: Start difference. First operand has 104 places, 99 transitions, 202 flow. Second operand 3 states and 292 transitions. [2024-11-27 23:27:56,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 101 transitions, 234 flow [2024-11-27 23:27:56,463 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 101 transitions, 233 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 23:27:56,465 INFO L231 Difference]: Finished difference. Result has 104 places, 99 transitions, 211 flow [2024-11-27 23:27:56,467 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=197, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=211, PETRI_PLACES=104, PETRI_TRANSITIONS=99} [2024-11-27 23:27:56,468 INFO L279 CegarLoopForPetriNet]: 107 programPoint places, -3 predicate places. [2024-11-27 23:27:56,469 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 99 transitions, 211 flow [2024-11-27 23:27:56,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:56,469 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:27:56,469 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:56,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 23:27:56,469 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-27 23:27:56,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:56,470 INFO L85 PathProgramCache]: Analyzing trace with hash 70069530, now seen corresponding path program 1 times [2024-11-27 23:27:56,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:56,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665159978] [2024-11-27 23:27:56,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:56,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:57,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:27:57,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:57,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665159978] [2024-11-27 23:27:57,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665159978] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:57,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:57,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:27:57,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959888399] [2024-11-27 23:27:57,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:57,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:27:57,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:57,210 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:27:57,211 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:27:57,418 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 104 [2024-11-27 23:27:57,418 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 99 transitions, 211 flow. Second operand has 6 states, 6 states have (on average 77.66666666666667) internal successors, (466), 6 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:57,419 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:27:57,419 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 104 [2024-11-27 23:27:57,419 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:27:57,768 INFO L124 PetriNetUnfolderBase]: 231/839 cut-off events. [2024-11-27 23:27:57,768 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 23:27:57,772 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1357 conditions, 839 events. 231/839 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 4771 event pairs, 96 based on Foata normal form. 0/785 useless extension candidates. Maximal degree in co-relation 1321. Up to 348 conditions per place. [2024-11-27 23:27:57,778 INFO L140 encePairwiseOnDemand]: 88/104 looper letters, 51 selfloop transitions, 41 changer transitions 0/163 dead transitions. [2024-11-27 23:27:57,778 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 163 transitions, 523 flow [2024-11-27 23:27:57,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:27:57,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 23:27:57,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 549 transitions. [2024-11-27 23:27:57,782 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8798076923076923 [2024-11-27 23:27:57,782 INFO L175 Difference]: Start difference. First operand has 104 places, 99 transitions, 211 flow. Second operand 6 states and 549 transitions. [2024-11-27 23:27:57,782 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 163 transitions, 523 flow [2024-11-27 23:27:57,783 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 163 transitions, 523 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 23:27:57,789 INFO L231 Difference]: Finished difference. Result has 113 places, 141 transitions, 469 flow [2024-11-27 23:27:57,790 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=211, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=469, PETRI_PLACES=113, PETRI_TRANSITIONS=141} [2024-11-27 23:27:57,790 INFO L279 CegarLoopForPetriNet]: 107 programPoint places, 6 predicate places. [2024-11-27 23:27:57,790 INFO L471 AbstractCegarLoop]: Abstraction has has 113 places, 141 transitions, 469 flow [2024-11-27 23:27:57,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 77.66666666666667) internal successors, (466), 6 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:57,792 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:27:57,792 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:57,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 23:27:57,793 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-27 23:27:57,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:57,797 INFO L85 PathProgramCache]: Analyzing trace with hash 87245971, now seen corresponding path program 1 times [2024-11-27 23:27:57,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:57,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794239541] [2024-11-27 23:27:57,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:57,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:58,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:27:58,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:58,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794239541] [2024-11-27 23:27:58,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794239541] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:58,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:58,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:27:58,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062783119] [2024-11-27 23:27:58,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:58,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:27:58,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:58,324 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:27:58,324 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:27:58,557 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 104 [2024-11-27 23:27:58,558 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 141 transitions, 469 flow. Second operand has 6 states, 6 states have (on average 83.5) internal successors, (501), 6 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:58,558 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:27:58,558 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 104 [2024-11-27 23:27:58,558 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:27:58,919 INFO L124 PetriNetUnfolderBase]: 285/1134 cut-off events. [2024-11-27 23:27:58,919 INFO L125 PetriNetUnfolderBase]: For 318/367 co-relation queries the response was YES. [2024-11-27 23:27:58,922 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2402 conditions, 1134 events. 285/1134 cut-off events. For 318/367 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 7589 event pairs, 29 based on Foata normal form. 31/1130 useless extension candidates. Maximal degree in co-relation 2361. Up to 272 conditions per place. [2024-11-27 23:27:58,928 INFO L140 encePairwiseOnDemand]: 89/104 looper letters, 71 selfloop transitions, 48 changer transitions 0/216 dead transitions. [2024-11-27 23:27:58,928 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 216 transitions, 971 flow [2024-11-27 23:27:58,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:27:58,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 23:27:58,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 579 transitions. [2024-11-27 23:27:58,931 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9278846153846154 [2024-11-27 23:27:58,931 INFO L175 Difference]: Start difference. First operand has 113 places, 141 transitions, 469 flow. Second operand 6 states and 579 transitions. [2024-11-27 23:27:58,931 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 216 transitions, 971 flow [2024-11-27 23:27:58,936 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 216 transitions, 971 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 23:27:58,939 INFO L231 Difference]: Finished difference. Result has 123 places, 187 transitions, 875 flow [2024-11-27 23:27:58,939 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=469, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=875, PETRI_PLACES=123, PETRI_TRANSITIONS=187} [2024-11-27 23:27:58,940 INFO L279 CegarLoopForPetriNet]: 107 programPoint places, 16 predicate places. [2024-11-27 23:27:58,940 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 187 transitions, 875 flow [2024-11-27 23:27:58,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 83.5) internal successors, (501), 6 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:58,941 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:27:58,941 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:58,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 23:27:58,941 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-27 23:27:58,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:58,942 INFO L85 PathProgramCache]: Analyzing trace with hash -587936594, now seen corresponding path program 1 times [2024-11-27 23:27:58,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:58,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042842239] [2024-11-27 23:27:58,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:58,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:58,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:59,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:27:59,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:59,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042842239] [2024-11-27 23:27:59,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042842239] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:59,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:59,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:27:59,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895620521] [2024-11-27 23:27:59,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:59,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:27:59,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:59,058 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:27:59,059 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:27:59,078 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 104 [2024-11-27 23:27:59,078 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 187 transitions, 875 flow. Second operand has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:59,078 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:27:59,079 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 104 [2024-11-27 23:27:59,079 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:27:59,152 INFO L124 PetriNetUnfolderBase]: 39/286 cut-off events. [2024-11-27 23:27:59,152 INFO L125 PetriNetUnfolderBase]: For 69/69 co-relation queries the response was YES. [2024-11-27 23:27:59,153 INFO L83 FinitePrefix]: Finished finitePrefix Result has 544 conditions, 286 events. 39/286 cut-off events. For 69/69 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 967 event pairs, 4 based on Foata normal form. 2/275 useless extension candidates. Maximal degree in co-relation 499. Up to 64 conditions per place. [2024-11-27 23:27:59,154 INFO L140 encePairwiseOnDemand]: 100/104 looper letters, 2 selfloop transitions, 4 changer transitions 0/120 dead transitions. [2024-11-27 23:27:59,154 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 120 transitions, 413 flow [2024-11-27 23:27:59,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:27:59,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:27:59,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 302 transitions. [2024-11-27 23:27:59,156 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.967948717948718 [2024-11-27 23:27:59,156 INFO L175 Difference]: Start difference. First operand has 123 places, 187 transitions, 875 flow. Second operand 3 states and 302 transitions. [2024-11-27 23:27:59,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 120 transitions, 413 flow [2024-11-27 23:27:59,162 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 120 transitions, 363 flow, removed 17 selfloop flow, removed 8 redundant places. [2024-11-27 23:27:59,168 INFO L231 Difference]: Finished difference. Result has 116 places, 120 transitions, 359 flow [2024-11-27 23:27:59,168 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=351, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=359, PETRI_PLACES=116, PETRI_TRANSITIONS=120} [2024-11-27 23:27:59,169 INFO L279 CegarLoopForPetriNet]: 107 programPoint places, 9 predicate places. [2024-11-27 23:27:59,169 INFO L471 AbstractCegarLoop]: Abstraction has has 116 places, 120 transitions, 359 flow [2024-11-27 23:27:59,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:59,169 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:27:59,170 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:59,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 23:27:59,170 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-27 23:27:59,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:59,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1489826976, now seen corresponding path program 1 times [2024-11-27 23:27:59,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:59,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515891707] [2024-11-27 23:27:59,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:59,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:59,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:59,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:27:59,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:59,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515891707] [2024-11-27 23:27:59,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515891707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:59,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:59,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:27:59,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48068793] [2024-11-27 23:27:59,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:59,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:27:59,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:59,662 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:27:59,662 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:27:59,832 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 104 [2024-11-27 23:27:59,833 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 120 transitions, 359 flow. Second operand has 6 states, 6 states have (on average 79.33333333333333) internal successors, (476), 6 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:59,834 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:27:59,834 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 104 [2024-11-27 23:27:59,834 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:28:00,000 INFO L124 PetriNetUnfolderBase]: 93/482 cut-off events. [2024-11-27 23:28:00,000 INFO L125 PetriNetUnfolderBase]: For 90/103 co-relation queries the response was YES. [2024-11-27 23:28:00,002 INFO L83 FinitePrefix]: Finished finitePrefix Result has 961 conditions, 482 events. 93/482 cut-off events. For 90/103 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2169 event pairs, 20 based on Foata normal form. 0/456 useless extension candidates. Maximal degree in co-relation 918. Up to 197 conditions per place. [2024-11-27 23:28:00,004 INFO L140 encePairwiseOnDemand]: 93/104 looper letters, 46 selfloop transitions, 22 changer transitions 0/141 dead transitions. [2024-11-27 23:28:00,004 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 141 transitions, 569 flow [2024-11-27 23:28:00,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:28:00,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 23:28:00,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 511 transitions. [2024-11-27 23:28:00,006 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8189102564102564 [2024-11-27 23:28:00,007 INFO L175 Difference]: Start difference. First operand has 116 places, 120 transitions, 359 flow. Second operand 6 states and 511 transitions. [2024-11-27 23:28:00,007 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 141 transitions, 569 flow [2024-11-27 23:28:00,009 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 141 transitions, 565 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 23:28:00,012 INFO L231 Difference]: Finished difference. Result has 125 places, 141 transitions, 537 flow [2024-11-27 23:28:00,012 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=355, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=537, PETRI_PLACES=125, PETRI_TRANSITIONS=141} [2024-11-27 23:28:00,013 INFO L279 CegarLoopForPetriNet]: 107 programPoint places, 18 predicate places. [2024-11-27 23:28:00,013 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 141 transitions, 537 flow [2024-11-27 23:28:00,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 79.33333333333333) internal successors, (476), 6 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:28:00,014 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:28:00,014 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:28:00,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 23:28:00,014 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-27 23:28:00,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:28:00,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1812481170, now seen corresponding path program 1 times [2024-11-27 23:28:00,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:28:00,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435516042] [2024-11-27 23:28:00,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:28:00,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:28:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:28:00,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:28:00,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:28:00,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435516042] [2024-11-27 23:28:00,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435516042] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:28:00,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:28:00,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:28:00,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761239658] [2024-11-27 23:28:00,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:28:00,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:28:00,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:28:00,476 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:28:00,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:28:00,666 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 104 [2024-11-27 23:28:00,666 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 141 transitions, 537 flow. Second operand has 6 states, 6 states have (on average 82.83333333333333) internal successors, (497), 6 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:28:00,667 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:28:00,667 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 104 [2024-11-27 23:28:00,667 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:28:00,927 INFO L124 PetriNetUnfolderBase]: 195/735 cut-off events. [2024-11-27 23:28:00,927 INFO L125 PetriNetUnfolderBase]: For 309/316 co-relation queries the response was YES. [2024-11-27 23:28:00,930 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1830 conditions, 735 events. 195/735 cut-off events. For 309/316 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 4008 event pairs, 12 based on Foata normal form. 0/713 useless extension candidates. Maximal degree in co-relation 1782. Up to 295 conditions per place. [2024-11-27 23:28:00,933 INFO L140 encePairwiseOnDemand]: 89/104 looper letters, 56 selfloop transitions, 52 changer transitions 13/198 dead transitions. [2024-11-27 23:28:00,933 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 198 transitions, 1044 flow [2024-11-27 23:28:00,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:28:00,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 23:28:00,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 555 transitions. [2024-11-27 23:28:00,935 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8894230769230769 [2024-11-27 23:28:00,935 INFO L175 Difference]: Start difference. First operand has 125 places, 141 transitions, 537 flow. Second operand 6 states and 555 transitions. [2024-11-27 23:28:00,935 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 198 transitions, 1044 flow [2024-11-27 23:28:00,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 198 transitions, 1006 flow, removed 19 selfloop flow, removed 0 redundant places. [2024-11-27 23:28:00,945 INFO L231 Difference]: Finished difference. Result has 135 places, 181 transitions, 952 flow [2024-11-27 23:28:00,945 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=505, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=952, PETRI_PLACES=135, PETRI_TRANSITIONS=181} [2024-11-27 23:28:00,947 INFO L279 CegarLoopForPetriNet]: 107 programPoint places, 28 predicate places. [2024-11-27 23:28:00,947 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 181 transitions, 952 flow [2024-11-27 23:28:00,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 82.83333333333333) internal successors, (497), 6 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:28:00,948 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:28:00,948 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:28:00,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 23:28:00,948 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-27 23:28:00,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:28:00,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1380146183, now seen corresponding path program 1 times [2024-11-27 23:28:00,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:28:00,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271370912] [2024-11-27 23:28:00,949 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:28:00,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:28:00,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:28:01,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:28:01,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:28:01,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271370912] [2024-11-27 23:28:01,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271370912] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:28:01,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:28:01,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-27 23:28:01,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127036110] [2024-11-27 23:28:01,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:28:01,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 23:28:01,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:28:01,645 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 23:28:01,645 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-27 23:28:02,291 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 104 [2024-11-27 23:28:02,292 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 181 transitions, 952 flow. Second operand has 12 states, 12 states have (on average 68.25) internal successors, (819), 12 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:28:02,293 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:28:02,293 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 104 [2024-11-27 23:28:02,293 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:28:02,874 INFO L124 PetriNetUnfolderBase]: 189/697 cut-off events. [2024-11-27 23:28:02,874 INFO L125 PetriNetUnfolderBase]: For 722/762 co-relation queries the response was YES. [2024-11-27 23:28:02,877 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2206 conditions, 697 events. 189/697 cut-off events. For 722/762 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3753 event pairs, 18 based on Foata normal form. 21/711 useless extension candidates. Maximal degree in co-relation 2145. Up to 193 conditions per place. [2024-11-27 23:28:02,881 INFO L140 encePairwiseOnDemand]: 89/104 looper letters, 115 selfloop transitions, 39 changer transitions 20/235 dead transitions. [2024-11-27 23:28:02,881 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 235 transitions, 1684 flow [2024-11-27 23:28:02,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 23:28:02,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-27 23:28:02,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 998 transitions. [2024-11-27 23:28:02,884 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6854395604395604 [2024-11-27 23:28:02,884 INFO L175 Difference]: Start difference. First operand has 135 places, 181 transitions, 952 flow. Second operand 14 states and 998 transitions. [2024-11-27 23:28:02,884 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 235 transitions, 1684 flow [2024-11-27 23:28:02,900 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 235 transitions, 1633 flow, removed 18 selfloop flow, removed 3 redundant places. [2024-11-27 23:28:02,905 INFO L231 Difference]: Finished difference. Result has 151 places, 189 transitions, 1096 flow [2024-11-27 23:28:02,906 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=903, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1096, PETRI_PLACES=151, PETRI_TRANSITIONS=189} [2024-11-27 23:28:02,906 INFO L279 CegarLoopForPetriNet]: 107 programPoint places, 44 predicate places. [2024-11-27 23:28:02,907 INFO L471 AbstractCegarLoop]: Abstraction has has 151 places, 189 transitions, 1096 flow [2024-11-27 23:28:02,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 68.25) internal successors, (819), 12 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:28:02,908 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:28:02,909 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:28:02,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-27 23:28:02,909 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-27 23:28:02,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:28:02,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1024159188, now seen corresponding path program 1 times [2024-11-27 23:28:02,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:28:02,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309546899] [2024-11-27 23:28:02,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:28:02,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:28:02,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:28:03,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:28:03,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:28:03,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309546899] [2024-11-27 23:28:03,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309546899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:28:03,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:28:03,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-27 23:28:03,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879816393] [2024-11-27 23:28:03,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:28:03,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 23:28:03,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:28:03,659 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 23:28:03,659 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-27 23:28:04,450 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 104 [2024-11-27 23:28:04,451 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 189 transitions, 1096 flow. Second operand has 12 states, 12 states have (on average 74.75) internal successors, (897), 12 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:28:04,451 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:28:04,452 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 104 [2024-11-27 23:28:04,452 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:28:05,093 INFO L124 PetriNetUnfolderBase]: 175/639 cut-off events. [2024-11-27 23:28:05,094 INFO L125 PetriNetUnfolderBase]: For 1067/1101 co-relation queries the response was YES. [2024-11-27 23:28:05,097 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2249 conditions, 639 events. 175/639 cut-off events. For 1067/1101 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 3310 event pairs, 4 based on Foata normal form. 23/660 useless extension candidates. Maximal degree in co-relation 2220. Up to 126 conditions per place. [2024-11-27 23:28:05,100 INFO L140 encePairwiseOnDemand]: 86/104 looper letters, 87 selfloop transitions, 68 changer transitions 11/235 dead transitions. [2024-11-27 23:28:05,101 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 235 transitions, 1801 flow [2024-11-27 23:28:05,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 23:28:05,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 23:28:05,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1035 transitions. [2024-11-27 23:28:05,105 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7655325443786982 [2024-11-27 23:28:05,107 INFO L175 Difference]: Start difference. First operand has 151 places, 189 transitions, 1096 flow. Second operand 13 states and 1035 transitions. [2024-11-27 23:28:05,107 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 235 transitions, 1801 flow [2024-11-27 23:28:05,121 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 235 transitions, 1759 flow, removed 3 selfloop flow, removed 9 redundant places. [2024-11-27 23:28:05,128 INFO L231 Difference]: Finished difference. Result has 158 places, 197 transitions, 1388 flow [2024-11-27 23:28:05,129 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=1062, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1388, PETRI_PLACES=158, PETRI_TRANSITIONS=197} [2024-11-27 23:28:05,130 INFO L279 CegarLoopForPetriNet]: 107 programPoint places, 51 predicate places. [2024-11-27 23:28:05,130 INFO L471 AbstractCegarLoop]: Abstraction has has 158 places, 197 transitions, 1388 flow [2024-11-27 23:28:05,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 74.75) internal successors, (897), 12 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:28:05,131 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:28:05,131 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:28:05,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-27 23:28:05,131 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-27 23:28:05,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:28:05,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1647267624, now seen corresponding path program 1 times [2024-11-27 23:28:05,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:28:05,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564164866] [2024-11-27 23:28:05,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:28:05,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:28:05,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:28:05,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:28:05,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:28:05,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564164866] [2024-11-27 23:28:05,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564164866] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:28:05,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:28:05,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-27 23:28:05,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783372470] [2024-11-27 23:28:05,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:28:05,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 23:28:05,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:28:05,753 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 23:28:05,754 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-27 23:28:06,279 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 104 [2024-11-27 23:28:06,280 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 197 transitions, 1388 flow. Second operand has 12 states, 12 states have (on average 68.58333333333333) internal successors, (823), 12 states have internal predecessors, (823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:28:06,280 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:28:06,281 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 104 [2024-11-27 23:28:06,281 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:28:06,930 INFO L124 PetriNetUnfolderBase]: 170/661 cut-off events. [2024-11-27 23:28:06,931 INFO L125 PetriNetUnfolderBase]: For 2024/2103 co-relation queries the response was YES. [2024-11-27 23:28:06,935 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2607 conditions, 661 events. 170/661 cut-off events. For 2024/2103 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 3544 event pairs, 15 based on Foata normal form. 43/698 useless extension candidates. Maximal degree in co-relation 2531. Up to 192 conditions per place. [2024-11-27 23:28:06,938 INFO L140 encePairwiseOnDemand]: 90/104 looper letters, 122 selfloop transitions, 35 changer transitions 12/231 dead transitions. [2024-11-27 23:28:06,938 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 231 transitions, 2092 flow [2024-11-27 23:28:06,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 23:28:06,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-11-27 23:28:06,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1125 transitions. [2024-11-27 23:28:06,942 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6760817307692307 [2024-11-27 23:28:06,943 INFO L175 Difference]: Start difference. First operand has 158 places, 197 transitions, 1388 flow. Second operand 16 states and 1125 transitions. [2024-11-27 23:28:06,943 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 231 transitions, 2092 flow [2024-11-27 23:28:06,963 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 231 transitions, 2062 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-11-27 23:28:06,967 INFO L231 Difference]: Finished difference. Result has 168 places, 193 transitions, 1394 flow [2024-11-27 23:28:06,968 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=1358, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=1394, PETRI_PLACES=168, PETRI_TRANSITIONS=193} [2024-11-27 23:28:06,968 INFO L279 CegarLoopForPetriNet]: 107 programPoint places, 61 predicate places. [2024-11-27 23:28:06,968 INFO L471 AbstractCegarLoop]: Abstraction has has 168 places, 193 transitions, 1394 flow [2024-11-27 23:28:06,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 68.58333333333333) internal successors, (823), 12 states have internal predecessors, (823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:28:06,969 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:28:06,969 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:28:06,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-27 23:28:06,969 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-27 23:28:06,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:28:06,970 INFO L85 PathProgramCache]: Analyzing trace with hash 2132507222, now seen corresponding path program 2 times [2024-11-27 23:28:06,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:28:06,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809345437] [2024-11-27 23:28:06,970 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:28:06,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:28:06,997 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 23:28:06,997 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:28:07,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:28:07,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:28:07,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809345437] [2024-11-27 23:28:07,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809345437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:28:07,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:28:07,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-27 23:28:07,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884172231] [2024-11-27 23:28:07,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:28:07,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 23:28:07,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:28:07,522 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 23:28:07,522 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-27 23:28:07,996 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 104 [2024-11-27 23:28:07,997 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 193 transitions, 1394 flow. Second operand has 12 states, 12 states have (on average 68.58333333333333) internal successors, (823), 12 states have internal predecessors, (823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:28:07,997 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:28:07,997 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 104 [2024-11-27 23:28:07,997 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:28:08,572 INFO L124 PetriNetUnfolderBase]: 165/646 cut-off events. [2024-11-27 23:28:08,572 INFO L125 PetriNetUnfolderBase]: For 2108/2139 co-relation queries the response was YES. [2024-11-27 23:28:08,575 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2591 conditions, 646 events. 165/646 cut-off events. For 2108/2139 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 3426 event pairs, 15 based on Foata normal form. 13/653 useless extension candidates. Maximal degree in co-relation 2560. Up to 192 conditions per place. [2024-11-27 23:28:08,579 INFO L140 encePairwiseOnDemand]: 90/104 looper letters, 118 selfloop transitions, 34 changer transitions 10/224 dead transitions. [2024-11-27 23:28:08,580 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 224 transitions, 2062 flow [2024-11-27 23:28:08,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 23:28:08,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-27 23:28:08,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1186 transitions. [2024-11-27 23:28:08,584 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.670814479638009 [2024-11-27 23:28:08,584 INFO L175 Difference]: Start difference. First operand has 168 places, 193 transitions, 1394 flow. Second operand 17 states and 1186 transitions. [2024-11-27 23:28:08,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 224 transitions, 2062 flow [2024-11-27 23:28:08,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 224 transitions, 1976 flow, removed 4 selfloop flow, removed 15 redundant places. [2024-11-27 23:28:08,620 INFO L231 Difference]: Finished difference. Result has 165 places, 188 transitions, 1339 flow [2024-11-27 23:28:08,620 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=1302, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1339, PETRI_PLACES=165, PETRI_TRANSITIONS=188} [2024-11-27 23:28:08,621 INFO L279 CegarLoopForPetriNet]: 107 programPoint places, 58 predicate places. [2024-11-27 23:28:08,621 INFO L471 AbstractCegarLoop]: Abstraction has has 165 places, 188 transitions, 1339 flow [2024-11-27 23:28:08,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 68.58333333333333) internal successors, (823), 12 states have internal predecessors, (823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:28:08,622 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:28:08,623 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:28:08,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-27 23:28:08,623 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-27 23:28:08,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:28:08,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1762241086, now seen corresponding path program 1 times [2024-11-27 23:28:08,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:28:08,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870702403] [2024-11-27 23:28:08,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:28:08,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:28:08,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:28:08,669 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:28:08,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:28:08,741 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-27 23:28:08,742 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-27 23:28:08,743 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (14 of 15 remaining) [2024-11-27 23:28:08,745 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (13 of 15 remaining) [2024-11-27 23:28:08,748 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 15 remaining) [2024-11-27 23:28:08,748 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (11 of 15 remaining) [2024-11-27 23:28:08,748 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (10 of 15 remaining) [2024-11-27 23:28:08,748 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (9 of 15 remaining) [2024-11-27 23:28:08,748 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2024-11-27 23:28:08,749 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 15 remaining) [2024-11-27 23:28:08,749 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 15 remaining) [2024-11-27 23:28:08,749 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 15 remaining) [2024-11-27 23:28:08,749 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 15 remaining) [2024-11-27 23:28:08,749 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 15 remaining) [2024-11-27 23:28:08,749 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 15 remaining) [2024-11-27 23:28:08,749 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 15 remaining) [2024-11-27 23:28:08,749 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 15 remaining) [2024-11-27 23:28:08,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-27 23:28:08,750 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:28:08,806 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-27 23:28:08,807 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 23:28:08,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:28:08 BasicIcfg [2024-11-27 23:28:08,816 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 23:28:08,817 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 23:28:08,817 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 23:28:08,817 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 23:28:08,818 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:27:54" (3/4) ... [2024-11-27 23:28:08,819 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-27 23:28:08,905 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 1. [2024-11-27 23:28:08,947 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624d2718-ea40-440c-be3f-848bc6de2d29/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 23:28:08,948 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624d2718-ea40-440c-be3f-848bc6de2d29/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 23:28:08,948 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 23:28:08,949 INFO L158 Benchmark]: Toolchain (without parser) took 15478.60ms. Allocated memory was 117.4MB in the beginning and 268.4MB in the end (delta: 151.0MB). Free memory was 90.7MB in the beginning and 199.4MB in the end (delta: -108.7MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. [2024-11-27 23:28:08,950 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 74.0MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:28:08,950 INFO L158 Benchmark]: CACSL2BoogieTranslator took 822.16ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 53.2MB in the end (delta: 37.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-27 23:28:08,951 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.84ms. Allocated memory is still 117.4MB. Free memory was 53.2MB in the beginning and 50.9MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:28:08,951 INFO L158 Benchmark]: Boogie Preprocessor took 27.64ms. Allocated memory is still 117.4MB. Free memory was 50.9MB in the beginning and 49.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:28:08,952 INFO L158 Benchmark]: RCFGBuilder took 589.11ms. Allocated memory is still 117.4MB. Free memory was 49.5MB in the beginning and 86.0MB in the end (delta: -36.5MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-11-27 23:28:08,953 INFO L158 Benchmark]: TraceAbstraction took 13857.44ms. Allocated memory was 117.4MB in the beginning and 268.4MB in the end (delta: 151.0MB). Free memory was 85.4MB in the beginning and 210.6MB in the end (delta: -125.2MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2024-11-27 23:28:08,953 INFO L158 Benchmark]: Witness Printer took 131.18ms. Allocated memory is still 268.4MB. Free memory was 210.6MB in the beginning and 199.4MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 23:28:08,955 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 74.0MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 822.16ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 53.2MB in the end (delta: 37.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.84ms. Allocated memory is still 117.4MB. Free memory was 53.2MB in the beginning and 50.9MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.64ms. Allocated memory is still 117.4MB. Free memory was 50.9MB in the beginning and 49.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 589.11ms. Allocated memory is still 117.4MB. Free memory was 49.5MB in the beginning and 86.0MB in the end (delta: -36.5MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * TraceAbstraction took 13857.44ms. Allocated memory was 117.4MB in the beginning and 268.4MB in the end (delta: 151.0MB). Free memory was 85.4MB in the beginning and 210.6MB in the end (delta: -125.2MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. * Witness Printer took 131.18ms. Allocated memory is still 268.4MB. Free memory was 210.6MB in the beginning and 199.4MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 1243]: Data race detected Data race detected The following path leads to a data race: [L1223] 0 int *x; VAL [x={0:0}] [L1224] 0 int *y; VAL [x={0:0}, y={0:0}] [L1225] 0 pthread_mutex_t m = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [m={1:0}, x={0:0}, y={0:0}] [L1234] 0 pthread_t id; VAL [m={1:0}, x={0:0}, y={0:0}] [L1235] 0 int *z; VAL [m={1:0}, x={0:0}, y={0:0}] [L1236] 0 x = malloc(sizeof(int)) VAL [m={1:0}, x={-2:0}, y={0:0}] [L1237] 0 y = malloc(sizeof(int)) VAL [m={1:0}, x={-2:0}, y={-3:0}] [L1238] 0 z = y VAL [m={1:0}, x={-2:0}, y={-3:0}, z={-3:0}] [L1239] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [\old(arg)={0:0}, id=-1, m={1:0}, x={-2:0}, y={-3:0}, z={-3:0}] [L1241] EXPR 0 *x VAL [\old(arg)={0:0}, id=-1, m={1:0}, x={-2:0}, y={-3:0}, z={-3:0}] [L1241] EXPR 0 \read(*x) VAL [\old(arg)={0:0}, id=-1, m={1:0}, x={-2:0}, y={-3:0}, z={-3:0}] [L1241] 0 printf("%d\n",*x) VAL [\old(arg)={0:0}, id=-1, m={1:0}, x={-2:0}, y={-3:0}, z={-3:0}] [L1228] EXPR 1 *x VAL [\old(arg)={0:0}, arg={0:0}, m={1:0}, x={-2:0}, y={-3:0}] [L1228] 1 *x = 3 VAL [\old(arg)={0:0}, arg={0:0}, m={1:0}, x={-2:0}, y={-3:0}] [L1243] EXPR 0 \read(*z) VAL [\old(arg)={0:0}, arg={0:0}, id=-1, m={1:0}, x={-2:0}, y={-3:0}, z={-3:0}] [L1229] EXPR 1 *y VAL [\old(arg)={0:0}, arg={0:0}, m={1:0}, x={-2:0}, y={-3:0}] [L1229] 1 *y = 8 VAL [\old(arg)={0:0}, arg={0:0}, m={1:0}, x={-2:0}, y={-3:0}] [L1243] 0 printf("%d\n",*z) VAL [\old(arg)={0:0}, arg={0:0}, id=-1, m={1:0}, x={-2:0}, y={-3:0}, z={-3:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: *x = 3 [1228] * C: *y = 8 [1229] * C: *x = 3 [1228] * C: y = malloc(sizeof(int)) [1237] * C: *x = 3 [1228] * C: x = malloc(sizeof(int)) [1236] * C: *x = 3 [1228] and C: printf("%d\n",*z) [1243] - UnprovableResult [Line: 1236]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1237]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1238]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1241]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1241]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1239]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1228]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1228]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 138 locations, 15 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: 13.6s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 7.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1436 SdHoareTripleChecker+Valid, 4.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1129 mSDsluCounter, 1258 SdHoareTripleChecker+Invalid, 4.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1195 mSDsCounter, 232 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5066 IncrementalHoareTripleChecker+Invalid, 5298 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 232 mSolverCounterUnsat, 63 mSDtfsCounter, 5066 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 123 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1394occurred in iteration=12, InterpolantAutomatonStates: 99, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 759 NumberOfCodeBlocks, 759 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 668 ConstructedInterpolants, 0 QuantifiedInterpolants, 2320 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-27 23:28:08,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624d2718-ea40-440c-be3f-848bc6de2d29/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(DATA-RACE)