./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-simple-equiv.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405da0da-23df-48a9-8880-3680289825db/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405da0da-23df-48a9-8880-3680289825db/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405da0da-23df-48a9-8880-3680289825db/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405da0da-23df-48a9-8880-3680289825db/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-simple-equiv.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405da0da-23df-48a9-8880-3680289825db/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405da0da-23df-48a9-8880-3680289825db/bin/uautomizer-verify-bycVGegfSx --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 a4f450f56f6a40f7cfc1a45cb9347f1cca7ce4a1ac8bd0b5be45149fc02486ed --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 21:04:01,251 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 21:04:01,329 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405da0da-23df-48a9-8880-3680289825db/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-21 21:04:01,335 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 21:04:01,336 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 21:04:01,370 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 21:04:01,371 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 21:04:01,372 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 21:04:01,373 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 21:04:01,379 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 21:04:01,380 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 21:04:01,381 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 21:04:01,381 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 21:04:01,383 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 21:04:01,384 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 21:04:01,385 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 21:04:01,385 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 21:04:01,386 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 21:04:01,386 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 21:04:01,387 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 21:04:01,387 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 21:04:01,388 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 21:04:01,389 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-21 21:04:01,389 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 21:04:01,390 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 21:04:01,390 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 21:04:01,390 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 21:04:01,391 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 21:04:01,392 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 21:04:01,393 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 21:04:01,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:04:01,394 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 21:04:01,395 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 21:04:01,395 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 21:04:01,395 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 21:04:01,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 21:04:01,396 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 21:04:01,396 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 21:04:01,397 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 21:04:01,397 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 21:04:01,397 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 21:04:01,398 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405da0da-23df-48a9-8880-3680289825db/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405da0da-23df-48a9-8880-3680289825db/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4f450f56f6a40f7cfc1a45cb9347f1cca7ce4a1ac8bd0b5be45149fc02486ed [2023-11-21 21:04:01,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 21:04:01,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 21:04:01,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 21:04:01,752 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 21:04:01,753 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 21:04:01,754 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405da0da-23df-48a9-8880-3680289825db/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/weaver/parallel-simple-equiv.wvr.c [2023-11-21 21:04:04,910 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 21:04:05,190 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 21:04:05,191 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405da0da-23df-48a9-8880-3680289825db/sv-benchmarks/c/weaver/parallel-simple-equiv.wvr.c [2023-11-21 21:04:05,202 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405da0da-23df-48a9-8880-3680289825db/bin/uautomizer-verify-bycVGegfSx/data/a376e51bc/3fac27d972d24cbea2393a3e10e40b4e/FLAGdb3cd4a8e [2023-11-21 21:04:05,220 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405da0da-23df-48a9-8880-3680289825db/bin/uautomizer-verify-bycVGegfSx/data/a376e51bc/3fac27d972d24cbea2393a3e10e40b4e [2023-11-21 21:04:05,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 21:04:05,228 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 21:04:05,234 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 21:04:05,234 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 21:04:05,240 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 21:04:05,243 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:04:05" (1/1) ... [2023-11-21 21:04:05,244 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fdfe74a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:05, skipping insertion in model container [2023-11-21 21:04:05,245 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:04:05" (1/1) ... [2023-11-21 21:04:05,277 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 21:04:05,497 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:04:05,508 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 21:04:05,555 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:04:05,565 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:04:05,565 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:04:05,573 INFO L206 MainTranslator]: Completed translation [2023-11-21 21:04:05,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:05 WrapperNode [2023-11-21 21:04:05,574 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 21:04:05,575 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 21:04:05,576 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 21:04:05,576 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 21:04:05,584 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:05" (1/1) ... [2023-11-21 21:04:05,608 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:05" (1/1) ... [2023-11-21 21:04:05,632 INFO L138 Inliner]: procedures = 22, calls = 31, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 110 [2023-11-21 21:04:05,634 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 21:04:05,638 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 21:04:05,639 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 21:04:05,639 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 21:04:05,649 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:05" (1/1) ... [2023-11-21 21:04:05,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:05" (1/1) ... [2023-11-21 21:04:05,653 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:05" (1/1) ... [2023-11-21 21:04:05,653 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:05" (1/1) ... [2023-11-21 21:04:05,663 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:05" (1/1) ... [2023-11-21 21:04:05,666 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:05" (1/1) ... [2023-11-21 21:04:05,669 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:05" (1/1) ... [2023-11-21 21:04:05,670 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:05" (1/1) ... [2023-11-21 21:04:05,673 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 21:04:05,675 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 21:04:05,675 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 21:04:05,675 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 21:04:05,676 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:05" (1/1) ... [2023-11-21 21:04:05,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:04:05,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405da0da-23df-48a9-8880-3680289825db/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:04:05,712 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405da0da-23df-48a9-8880-3680289825db/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 21:04:05,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405da0da-23df-48a9-8880-3680289825db/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 21:04:05,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 21:04:05,762 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 21:04:05,762 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 21:04:05,763 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 21:04:05,763 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 21:04:05,763 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-21 21:04:05,763 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-21 21:04:05,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 21:04:05,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 21:04:05,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 21:04:05,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 21:04:05,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 21:04:05,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 21:04:05,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 21:04:05,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 21:04:05,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 21:04:05,767 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 21:04:05,883 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 21:04:05,886 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 21:04:06,281 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 21:04:06,363 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 21:04:06,364 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 21:04:06,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:04:06 BoogieIcfgContainer [2023-11-21 21:04:06,366 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 21:04:06,370 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 21:04:06,370 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 21:04:06,373 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 21:04:06,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:04:05" (1/3) ... [2023-11-21 21:04:06,374 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cfb662c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:04:06, skipping insertion in model container [2023-11-21 21:04:06,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:05" (2/3) ... [2023-11-21 21:04:06,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cfb662c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:04:06, skipping insertion in model container [2023-11-21 21:04:06,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:04:06" (3/3) ... [2023-11-21 21:04:06,377 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-simple-equiv.wvr.c [2023-11-21 21:04:06,389 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-21 21:04:06,401 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 21:04:06,401 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2023-11-21 21:04:06,402 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-21 21:04:06,500 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-21 21:04:06,543 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 187 places, 179 transitions, 379 flow [2023-11-21 21:04:06,649 INFO L124 PetriNetUnfolderBase]: 2/176 cut-off events. [2023-11-21 21:04:06,649 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-21 21:04:06,664 INFO L83 FinitePrefix]: Finished finitePrefix Result has 189 conditions, 176 events. 2/176 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 122 event pairs, 0 based on Foata normal form. 0/152 useless extension candidates. Maximal degree in co-relation 94. Up to 2 conditions per place. [2023-11-21 21:04:06,664 INFO L82 GeneralOperation]: Start removeDead. Operand has 187 places, 179 transitions, 379 flow [2023-11-21 21:04:06,671 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 162 places, 153 transitions, 324 flow [2023-11-21 21:04:06,690 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 21:04:06,697 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1b3f598d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 21:04:06,697 INFO L358 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2023-11-21 21:04:06,710 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-21 21:04:06,710 INFO L124 PetriNetUnfolderBase]: 0/18 cut-off events. [2023-11-21 21:04:06,710 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-21 21:04:06,711 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:04:06,717 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:04:06,717 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-11-21 21:04:06,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:04:06,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1914464029, now seen corresponding path program 1 times [2023-11-21 21:04:06,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:04:06,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856626976] [2023-11-21 21:04:06,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:04:06,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:04:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:04:06,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:04:06,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:04:06,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856626976] [2023-11-21 21:04:06,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856626976] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:04:06,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:04:06,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:04:06,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079117209] [2023-11-21 21:04:06,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:04:06,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:04:06,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:04:07,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:04:07,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:04:07,055 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 179 [2023-11-21 21:04:07,063 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 153 transitions, 324 flow. Second operand has 3 states, 3 states have (on average 156.33333333333334) internal successors, (469), 3 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:07,064 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:04:07,064 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 179 [2023-11-21 21:04:07,065 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:04:07,208 INFO L124 PetriNetUnfolderBase]: 7/172 cut-off events. [2023-11-21 21:04:07,208 INFO L125 PetriNetUnfolderBase]: For 20/23 co-relation queries the response was YES. [2023-11-21 21:04:07,212 INFO L83 FinitePrefix]: Finished finitePrefix Result has 223 conditions, 172 events. 7/172 cut-off events. For 20/23 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 229 event pairs, 7 based on Foata normal form. 1/151 useless extension candidates. Maximal degree in co-relation 117. Up to 27 conditions per place. [2023-11-21 21:04:07,216 INFO L140 encePairwiseOnDemand]: 171/179 looper letters, 13 selfloop transitions, 2 changer transitions 1/147 dead transitions. [2023-11-21 21:04:07,216 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 147 transitions, 342 flow [2023-11-21 21:04:07,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:04:07,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:04:07,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 486 transitions. [2023-11-21 21:04:07,242 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9050279329608939 [2023-11-21 21:04:07,243 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 486 transitions. [2023-11-21 21:04:07,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 486 transitions. [2023-11-21 21:04:07,245 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:04:07,248 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 486 transitions. [2023-11-21 21:04:07,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:07,259 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:07,260 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:07,262 INFO L175 Difference]: Start difference. First operand has 162 places, 153 transitions, 324 flow. Second operand 3 states and 486 transitions. [2023-11-21 21:04:07,263 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 147 transitions, 342 flow [2023-11-21 21:04:07,267 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 147 transitions, 330 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-21 21:04:07,272 INFO L231 Difference]: Finished difference. Result has 153 places, 146 transitions, 302 flow [2023-11-21 21:04:07,275 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=302, PETRI_PLACES=153, PETRI_TRANSITIONS=146} [2023-11-21 21:04:07,279 INFO L281 CegarLoopForPetriNet]: 162 programPoint places, -9 predicate places. [2023-11-21 21:04:07,279 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 146 transitions, 302 flow [2023-11-21 21:04:07,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 156.33333333333334) internal successors, (469), 3 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:07,280 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:04:07,280 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:04:07,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 21:04:07,281 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-11-21 21:04:07,282 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:04:07,282 INFO L85 PathProgramCache]: Analyzing trace with hash 732109046, now seen corresponding path program 1 times [2023-11-21 21:04:07,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:04:07,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275341992] [2023-11-21 21:04:07,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:04:07,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:04:07,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:04:07,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:04:07,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:04:07,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275341992] [2023-11-21 21:04:07,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275341992] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:04:07,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:04:07,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:04:07,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574644427] [2023-11-21 21:04:07,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:04:07,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:04:07,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:04:07,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:04:07,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:04:07,404 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 179 [2023-11-21 21:04:07,405 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 146 transitions, 302 flow. Second operand has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:07,405 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:04:07,405 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 179 [2023-11-21 21:04:07,406 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:04:07,492 INFO L124 PetriNetUnfolderBase]: 39/322 cut-off events. [2023-11-21 21:04:07,492 INFO L125 PetriNetUnfolderBase]: For 16/33 co-relation queries the response was YES. [2023-11-21 21:04:07,495 INFO L83 FinitePrefix]: Finished finitePrefix Result has 422 conditions, 322 events. 39/322 cut-off events. For 16/33 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1099 event pairs, 39 based on Foata normal form. 0/284 useless extension candidates. Maximal degree in co-relation 395. Up to 87 conditions per place. [2023-11-21 21:04:07,497 INFO L140 encePairwiseOnDemand]: 176/179 looper letters, 17 selfloop transitions, 2 changer transitions 0/145 dead transitions. [2023-11-21 21:04:07,498 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 145 transitions, 338 flow [2023-11-21 21:04:07,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:04:07,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:04:07,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 473 transitions. [2023-11-21 21:04:07,501 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8808193668528864 [2023-11-21 21:04:07,501 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 473 transitions. [2023-11-21 21:04:07,501 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 473 transitions. [2023-11-21 21:04:07,502 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:04:07,502 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 473 transitions. [2023-11-21 21:04:07,504 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 157.66666666666666) internal successors, (473), 3 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:07,506 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:07,507 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:07,507 INFO L175 Difference]: Start difference. First operand has 153 places, 146 transitions, 302 flow. Second operand 3 states and 473 transitions. [2023-11-21 21:04:07,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 145 transitions, 338 flow [2023-11-21 21:04:07,509 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 145 transitions, 334 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 21:04:07,513 INFO L231 Difference]: Finished difference. Result has 151 places, 145 transitions, 300 flow [2023-11-21 21:04:07,513 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=296, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=300, PETRI_PLACES=151, PETRI_TRANSITIONS=145} [2023-11-21 21:04:07,514 INFO L281 CegarLoopForPetriNet]: 162 programPoint places, -11 predicate places. [2023-11-21 21:04:07,515 INFO L495 AbstractCegarLoop]: Abstraction has has 151 places, 145 transitions, 300 flow [2023-11-21 21:04:07,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:07,515 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:04:07,516 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:04:07,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 21:04:07,516 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-11-21 21:04:07,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:04:07,517 INFO L85 PathProgramCache]: Analyzing trace with hash -156295632, now seen corresponding path program 1 times [2023-11-21 21:04:07,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:04:07,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147317516] [2023-11-21 21:04:07,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:04:07,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:04:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:04:07,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:04:07,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:04:07,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147317516] [2023-11-21 21:04:07,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147317516] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:04:07,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:04:07,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:04:07,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837464646] [2023-11-21 21:04:07,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:04:07,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:04:07,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:04:07,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:04:07,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:04:07,658 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 179 [2023-11-21 21:04:07,659 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 145 transitions, 300 flow. Second operand has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:07,660 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:04:07,660 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 179 [2023-11-21 21:04:07,661 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:04:07,741 INFO L124 PetriNetUnfolderBase]: 39/321 cut-off events. [2023-11-21 21:04:07,741 INFO L125 PetriNetUnfolderBase]: For 16/26 co-relation queries the response was YES. [2023-11-21 21:04:07,744 INFO L83 FinitePrefix]: Finished finitePrefix Result has 419 conditions, 321 events. 39/321 cut-off events. For 16/26 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1080 event pairs, 39 based on Foata normal form. 0/284 useless extension candidates. Maximal degree in co-relation 385. Up to 85 conditions per place. [2023-11-21 21:04:07,746 INFO L140 encePairwiseOnDemand]: 176/179 looper letters, 15 selfloop transitions, 2 changer transitions 0/144 dead transitions. [2023-11-21 21:04:07,746 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 144 transitions, 332 flow [2023-11-21 21:04:07,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:04:07,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:04:07,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 477 transitions. [2023-11-21 21:04:07,749 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.888268156424581 [2023-11-21 21:04:07,749 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 477 transitions. [2023-11-21 21:04:07,749 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 477 transitions. [2023-11-21 21:04:07,749 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:04:07,750 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 477 transitions. [2023-11-21 21:04:07,751 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:07,753 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:07,754 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:07,754 INFO L175 Difference]: Start difference. First operand has 151 places, 145 transitions, 300 flow. Second operand 3 states and 477 transitions. [2023-11-21 21:04:07,755 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 144 transitions, 332 flow [2023-11-21 21:04:07,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 144 transitions, 328 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 21:04:07,760 INFO L231 Difference]: Finished difference. Result has 150 places, 144 transitions, 298 flow [2023-11-21 21:04:07,760 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=294, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=298, PETRI_PLACES=150, PETRI_TRANSITIONS=144} [2023-11-21 21:04:07,762 INFO L281 CegarLoopForPetriNet]: 162 programPoint places, -12 predicate places. [2023-11-21 21:04:07,762 INFO L495 AbstractCegarLoop]: Abstraction has has 150 places, 144 transitions, 298 flow [2023-11-21 21:04:07,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:07,763 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:04:07,763 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:04:07,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-21 21:04:07,763 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-11-21 21:04:07,765 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:04:07,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1322612287, now seen corresponding path program 1 times [2023-11-21 21:04:07,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:04:07,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118501851] [2023-11-21 21:04:07,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:04:07,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:04:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:04:07,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:04:07,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:04:07,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118501851] [2023-11-21 21:04:07,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118501851] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:04:07,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:04:07,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:04:07,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287209160] [2023-11-21 21:04:07,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:04:07,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:04:07,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:04:07,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:04:07,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:04:07,871 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 179 [2023-11-21 21:04:07,872 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 144 transitions, 298 flow. Second operand has 3 states, 3 states have (on average 158.0) internal successors, (474), 3 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:07,873 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:04:07,873 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 179 [2023-11-21 21:04:07,873 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:04:07,921 INFO L124 PetriNetUnfolderBase]: 7/167 cut-off events. [2023-11-21 21:04:07,921 INFO L125 PetriNetUnfolderBase]: For 4/7 co-relation queries the response was YES. [2023-11-21 21:04:07,923 INFO L83 FinitePrefix]: Finished finitePrefix Result has 205 conditions, 167 events. 7/167 cut-off events. For 4/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 222 event pairs, 1 based on Foata normal form. 1/153 useless extension candidates. Maximal degree in co-relation 164. Up to 20 conditions per place. [2023-11-21 21:04:07,925 INFO L140 encePairwiseOnDemand]: 173/179 looper letters, 13 selfloop transitions, 4 changer transitions 0/146 dead transitions. [2023-11-21 21:04:07,925 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 146 transitions, 338 flow [2023-11-21 21:04:07,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:04:07,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:04:07,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 490 transitions. [2023-11-21 21:04:07,928 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9124767225325885 [2023-11-21 21:04:07,928 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 490 transitions. [2023-11-21 21:04:07,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 490 transitions. [2023-11-21 21:04:07,930 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:04:07,930 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 490 transitions. [2023-11-21 21:04:07,932 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:07,935 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:07,935 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:07,936 INFO L175 Difference]: Start difference. First operand has 150 places, 144 transitions, 298 flow. Second operand 3 states and 490 transitions. [2023-11-21 21:04:07,936 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 146 transitions, 338 flow [2023-11-21 21:04:07,938 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 146 transitions, 334 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 21:04:07,941 INFO L231 Difference]: Finished difference. Result has 149 places, 144 transitions, 310 flow [2023-11-21 21:04:07,941 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=310, PETRI_PLACES=149, PETRI_TRANSITIONS=144} [2023-11-21 21:04:07,944 INFO L281 CegarLoopForPetriNet]: 162 programPoint places, -13 predicate places. [2023-11-21 21:04:07,944 INFO L495 AbstractCegarLoop]: Abstraction has has 149 places, 144 transitions, 310 flow [2023-11-21 21:04:07,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 158.0) internal successors, (474), 3 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:07,945 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:04:07,945 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:04:07,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-21 21:04:07,945 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-11-21 21:04:07,946 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:04:07,946 INFO L85 PathProgramCache]: Analyzing trace with hash 279920242, now seen corresponding path program 1 times [2023-11-21 21:04:07,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:04:07,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371376096] [2023-11-21 21:04:07,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:04:07,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:04:07,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:04:08,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:04:08,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:04:08,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371376096] [2023-11-21 21:04:08,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371376096] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:04:08,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:04:08,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:04:08,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013144149] [2023-11-21 21:04:08,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:04:08,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:04:08,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:04:08,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:04:08,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:04:08,083 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 179 [2023-11-21 21:04:08,084 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 144 transitions, 310 flow. Second operand has 3 states, 3 states have (on average 150.0) internal successors, (450), 3 states have internal predecessors, (450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:08,084 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:04:08,085 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 179 [2023-11-21 21:04:08,085 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:04:08,216 INFO L124 PetriNetUnfolderBase]: 55/451 cut-off events. [2023-11-21 21:04:08,216 INFO L125 PetriNetUnfolderBase]: For 58/79 co-relation queries the response was YES. [2023-11-21 21:04:08,218 INFO L83 FinitePrefix]: Finished finitePrefix Result has 636 conditions, 451 events. 55/451 cut-off events. For 58/79 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2064 event pairs, 33 based on Foata normal form. 1/395 useless extension candidates. Maximal degree in co-relation 307. Up to 83 conditions per place. [2023-11-21 21:04:08,221 INFO L140 encePairwiseOnDemand]: 170/179 looper letters, 20 selfloop transitions, 4 changer transitions 5/146 dead transitions. [2023-11-21 21:04:08,221 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 146 transitions, 378 flow [2023-11-21 21:04:08,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:04:08,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:04:08,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 473 transitions. [2023-11-21 21:04:08,224 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8808193668528864 [2023-11-21 21:04:08,224 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 473 transitions. [2023-11-21 21:04:08,224 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 473 transitions. [2023-11-21 21:04:08,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:04:08,225 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 473 transitions. [2023-11-21 21:04:08,227 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 157.66666666666666) internal successors, (473), 3 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:08,228 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:08,229 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:08,229 INFO L175 Difference]: Start difference. First operand has 149 places, 144 transitions, 310 flow. Second operand 3 states and 473 transitions. [2023-11-21 21:04:08,230 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 146 transitions, 378 flow [2023-11-21 21:04:08,232 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 146 transitions, 372 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 21:04:08,234 INFO L231 Difference]: Finished difference. Result has 146 places, 135 transitions, 293 flow [2023-11-21 21:04:08,235 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=298, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=293, PETRI_PLACES=146, PETRI_TRANSITIONS=135} [2023-11-21 21:04:08,236 INFO L281 CegarLoopForPetriNet]: 162 programPoint places, -16 predicate places. [2023-11-21 21:04:08,236 INFO L495 AbstractCegarLoop]: Abstraction has has 146 places, 135 transitions, 293 flow [2023-11-21 21:04:08,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 150.0) internal successors, (450), 3 states have internal predecessors, (450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:08,237 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:04:08,237 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:04:08,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-21 21:04:08,238 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread3Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-11-21 21:04:08,238 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:04:08,238 INFO L85 PathProgramCache]: Analyzing trace with hash 869320709, now seen corresponding path program 1 times [2023-11-21 21:04:08,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:04:08,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426186791] [2023-11-21 21:04:08,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:04:08,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:04:08,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:04:08,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:04:08,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:04:08,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426186791] [2023-11-21 21:04:08,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426186791] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:04:08,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:04:08,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:04:08,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010751055] [2023-11-21 21:04:08,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:04:08,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:04:08,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:04:08,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:04:08,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:04:08,357 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 179 [2023-11-21 21:04:08,358 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 135 transitions, 293 flow. Second operand has 3 states, 3 states have (on average 157.33333333333334) internal successors, (472), 3 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:08,358 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:04:08,358 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 179 [2023-11-21 21:04:08,358 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:04:08,445 INFO L124 PetriNetUnfolderBase]: 63/429 cut-off events. [2023-11-21 21:04:08,445 INFO L125 PetriNetUnfolderBase]: For 63/79 co-relation queries the response was YES. [2023-11-21 21:04:08,446 INFO L83 FinitePrefix]: Finished finitePrefix Result has 634 conditions, 429 events. 63/429 cut-off events. For 63/79 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1959 event pairs, 40 based on Foata normal form. 1/379 useless extension candidates. Maximal degree in co-relation 351. Up to 97 conditions per place. [2023-11-21 21:04:08,449 INFO L140 encePairwiseOnDemand]: 176/179 looper letters, 21 selfloop transitions, 2 changer transitions 0/140 dead transitions. [2023-11-21 21:04:08,449 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 140 transitions, 359 flow [2023-11-21 21:04:08,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:04:08,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:04:08,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 485 transitions. [2023-11-21 21:04:08,452 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9031657355679702 [2023-11-21 21:04:08,452 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 485 transitions. [2023-11-21 21:04:08,452 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 485 transitions. [2023-11-21 21:04:08,453 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:04:08,453 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 485 transitions. [2023-11-21 21:04:08,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:08,457 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:08,458 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:08,458 INFO L175 Difference]: Start difference. First operand has 146 places, 135 transitions, 293 flow. Second operand 3 states and 485 transitions. [2023-11-21 21:04:08,458 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 140 transitions, 359 flow [2023-11-21 21:04:08,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 140 transitions, 351 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 21:04:08,462 INFO L231 Difference]: Finished difference. Result has 140 places, 134 transitions, 287 flow [2023-11-21 21:04:08,463 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=283, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=287, PETRI_PLACES=140, PETRI_TRANSITIONS=134} [2023-11-21 21:04:08,464 INFO L281 CegarLoopForPetriNet]: 162 programPoint places, -22 predicate places. [2023-11-21 21:04:08,464 INFO L495 AbstractCegarLoop]: Abstraction has has 140 places, 134 transitions, 287 flow [2023-11-21 21:04:08,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 157.33333333333334) internal successors, (472), 3 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:08,465 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:04:08,465 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:04:08,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-21 21:04:08,466 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-11-21 21:04:08,466 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:04:08,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1073323393, now seen corresponding path program 1 times [2023-11-21 21:04:08,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:04:08,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856195396] [2023-11-21 21:04:08,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:04:08,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:04:08,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:04:09,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:04:09,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:04:09,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856195396] [2023-11-21 21:04:09,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856195396] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:04:09,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:04:09,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 21:04:09,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712790312] [2023-11-21 21:04:09,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:04:09,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 21:04:09,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:04:09,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 21:04:09,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 21:04:09,395 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 179 [2023-11-21 21:04:09,397 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 134 transitions, 287 flow. Second operand has 6 states, 6 states have (on average 155.66666666666666) internal successors, (934), 6 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:09,397 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:04:09,398 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 179 [2023-11-21 21:04:09,398 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:04:09,488 INFO L124 PetriNetUnfolderBase]: 27/197 cut-off events. [2023-11-21 21:04:09,488 INFO L125 PetriNetUnfolderBase]: For 27/27 co-relation queries the response was YES. [2023-11-21 21:04:09,489 INFO L83 FinitePrefix]: Finished finitePrefix Result has 303 conditions, 197 events. 27/197 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 365 event pairs, 4 based on Foata normal form. 0/183 useless extension candidates. Maximal degree in co-relation 266. Up to 31 conditions per place. [2023-11-21 21:04:09,491 INFO L140 encePairwiseOnDemand]: 174/179 looper letters, 28 selfloop transitions, 4 changer transitions 0/149 dead transitions. [2023-11-21 21:04:09,491 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 149 transitions, 413 flow [2023-11-21 21:04:09,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 21:04:09,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 21:04:09,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 947 transitions. [2023-11-21 21:04:09,496 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8817504655493482 [2023-11-21 21:04:09,496 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 947 transitions. [2023-11-21 21:04:09,496 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 947 transitions. [2023-11-21 21:04:09,497 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:04:09,498 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 947 transitions. [2023-11-21 21:04:09,501 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 157.83333333333334) internal successors, (947), 6 states have internal predecessors, (947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:09,504 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 179.0) internal successors, (1253), 7 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:09,505 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 179.0) internal successors, (1253), 7 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:09,506 INFO L175 Difference]: Start difference. First operand has 140 places, 134 transitions, 287 flow. Second operand 6 states and 947 transitions. [2023-11-21 21:04:09,508 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 149 transitions, 413 flow [2023-11-21 21:04:09,510 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 149 transitions, 409 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 21:04:09,513 INFO L231 Difference]: Finished difference. Result has 142 places, 133 transitions, 289 flow [2023-11-21 21:04:09,513 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=281, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=289, PETRI_PLACES=142, PETRI_TRANSITIONS=133} [2023-11-21 21:04:09,515 INFO L281 CegarLoopForPetriNet]: 162 programPoint places, -20 predicate places. [2023-11-21 21:04:09,515 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 133 transitions, 289 flow [2023-11-21 21:04:09,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 155.66666666666666) internal successors, (934), 6 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:09,516 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:04:09,516 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:04:09,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-21 21:04:09,518 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread3Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-11-21 21:04:09,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:04:09,519 INFO L85 PathProgramCache]: Analyzing trace with hash -719104191, now seen corresponding path program 1 times [2023-11-21 21:04:09,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:04:09,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953447877] [2023-11-21 21:04:09,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:04:09,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:04:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:04:09,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:04:09,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:04:09,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953447877] [2023-11-21 21:04:09,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953447877] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:04:09,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:04:09,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:04:09,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693964494] [2023-11-21 21:04:09,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:04:09,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:04:09,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:04:09,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:04:09,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:04:09,622 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 179 [2023-11-21 21:04:09,622 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 133 transitions, 289 flow. Second operand has 3 states, 3 states have (on average 157.33333333333334) internal successors, (472), 3 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:09,623 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:04:09,623 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 179 [2023-11-21 21:04:09,623 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:04:09,727 INFO L124 PetriNetUnfolderBase]: 55/394 cut-off events. [2023-11-21 21:04:09,727 INFO L125 PetriNetUnfolderBase]: For 53/65 co-relation queries the response was YES. [2023-11-21 21:04:09,728 INFO L83 FinitePrefix]: Finished finitePrefix Result has 561 conditions, 394 events. 55/394 cut-off events. For 53/65 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1616 event pairs, 19 based on Foata normal form. 0/359 useless extension candidates. Maximal degree in co-relation 442. Up to 60 conditions per place. [2023-11-21 21:04:09,732 INFO L140 encePairwiseOnDemand]: 174/179 looper letters, 19 selfloop transitions, 3 changer transitions 0/137 dead transitions. [2023-11-21 21:04:09,732 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 137 transitions, 351 flow [2023-11-21 21:04:09,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:04:09,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:04:09,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 485 transitions. [2023-11-21 21:04:09,735 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9031657355679702 [2023-11-21 21:04:09,736 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 485 transitions. [2023-11-21 21:04:09,736 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 485 transitions. [2023-11-21 21:04:09,737 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:04:09,737 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 485 transitions. [2023-11-21 21:04:09,739 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:09,741 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:09,741 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:09,742 INFO L175 Difference]: Start difference. First operand has 142 places, 133 transitions, 289 flow. Second operand 3 states and 485 transitions. [2023-11-21 21:04:09,742 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 137 transitions, 351 flow [2023-11-21 21:04:09,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 137 transitions, 344 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-21 21:04:09,746 INFO L231 Difference]: Finished difference. Result has 138 places, 131 transitions, 284 flow [2023-11-21 21:04:09,747 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=284, PETRI_PLACES=138, PETRI_TRANSITIONS=131} [2023-11-21 21:04:09,750 INFO L281 CegarLoopForPetriNet]: 162 programPoint places, -24 predicate places. [2023-11-21 21:04:09,751 INFO L495 AbstractCegarLoop]: Abstraction has has 138 places, 131 transitions, 284 flow [2023-11-21 21:04:09,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 157.33333333333334) internal successors, (472), 3 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:09,751 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:04:09,752 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:04:09,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-21 21:04:09,752 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread3Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-11-21 21:04:09,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:04:09,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1510606020, now seen corresponding path program 1 times [2023-11-21 21:04:09,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:04:09,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243883241] [2023-11-21 21:04:09,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:04:09,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:04:09,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:04:09,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:04:09,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:04:09,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243883241] [2023-11-21 21:04:09,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243883241] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:04:09,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:04:09,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:04:09,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550365264] [2023-11-21 21:04:09,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:04:09,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:04:09,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:04:09,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:04:09,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:04:09,876 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 179 [2023-11-21 21:04:09,878 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 131 transitions, 284 flow. Second operand has 3 states, 3 states have (on average 156.0) internal successors, (468), 3 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:09,878 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:04:09,878 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 179 [2023-11-21 21:04:09,878 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:04:09,976 INFO L124 PetriNetUnfolderBase]: 63/395 cut-off events. [2023-11-21 21:04:09,977 INFO L125 PetriNetUnfolderBase]: For 61/80 co-relation queries the response was YES. [2023-11-21 21:04:09,978 INFO L83 FinitePrefix]: Finished finitePrefix Result has 595 conditions, 395 events. 63/395 cut-off events. For 61/80 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1702 event pairs, 40 based on Foata normal form. 0/362 useless extension candidates. Maximal degree in co-relation 478. Up to 98 conditions per place. [2023-11-21 21:04:09,981 INFO L140 encePairwiseOnDemand]: 176/179 looper letters, 22 selfloop transitions, 2 changer transitions 0/136 dead transitions. [2023-11-21 21:04:09,981 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 136 transitions, 352 flow [2023-11-21 21:04:09,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:04:09,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:04:09,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 480 transitions. [2023-11-21 21:04:09,984 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8938547486033519 [2023-11-21 21:04:09,985 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 480 transitions. [2023-11-21 21:04:09,985 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 480 transitions. [2023-11-21 21:04:09,985 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:04:09,986 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 480 transitions. [2023-11-21 21:04:09,988 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 160.0) internal successors, (480), 3 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:09,990 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:09,990 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:09,991 INFO L175 Difference]: Start difference. First operand has 138 places, 131 transitions, 284 flow. Second operand 3 states and 480 transitions. [2023-11-21 21:04:09,991 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 136 transitions, 352 flow [2023-11-21 21:04:09,993 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 136 transitions, 346 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 21:04:09,996 INFO L231 Difference]: Finished difference. Result has 137 places, 130 transitions, 280 flow [2023-11-21 21:04:09,997 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=276, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=280, PETRI_PLACES=137, PETRI_TRANSITIONS=130} [2023-11-21 21:04:09,998 INFO L281 CegarLoopForPetriNet]: 162 programPoint places, -25 predicate places. [2023-11-21 21:04:09,998 INFO L495 AbstractCegarLoop]: Abstraction has has 137 places, 130 transitions, 280 flow [2023-11-21 21:04:09,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 156.0) internal successors, (468), 3 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:09,999 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:04:09,999 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:04:09,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-21 21:04:10,000 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-11-21 21:04:10,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:04:10,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1767560642, now seen corresponding path program 1 times [2023-11-21 21:04:10,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:04:10,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119922718] [2023-11-21 21:04:10,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:04:10,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:04:10,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:04:10,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:04:10,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:04:10,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119922718] [2023-11-21 21:04:10,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119922718] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:04:10,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:04:10,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 21:04:10,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671664106] [2023-11-21 21:04:10,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:04:10,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 21:04:10,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:04:10,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 21:04:10,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 21:04:10,768 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 179 [2023-11-21 21:04:10,770 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 130 transitions, 280 flow. Second operand has 6 states, 6 states have (on average 156.0) internal successors, (936), 6 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:10,770 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:04:10,770 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 179 [2023-11-21 21:04:10,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:04:10,834 INFO L124 PetriNetUnfolderBase]: 12/162 cut-off events. [2023-11-21 21:04:10,835 INFO L125 PetriNetUnfolderBase]: For 13/15 co-relation queries the response was YES. [2023-11-21 21:04:10,835 INFO L83 FinitePrefix]: Finished finitePrefix Result has 229 conditions, 162 events. 12/162 cut-off events. For 13/15 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 233 event pairs, 5 based on Foata normal form. 0/153 useless extension candidates. Maximal degree in co-relation 202. Up to 22 conditions per place. [2023-11-21 21:04:10,836 INFO L140 encePairwiseOnDemand]: 174/179 looper letters, 16 selfloop transitions, 4 changer transitions 0/133 dead transitions. [2023-11-21 21:04:10,837 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 133 transitions, 334 flow [2023-11-21 21:04:10,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 21:04:10,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 21:04:10,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 943 transitions. [2023-11-21 21:04:10,841 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8780260707635009 [2023-11-21 21:04:10,841 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 943 transitions. [2023-11-21 21:04:10,841 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 943 transitions. [2023-11-21 21:04:10,842 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:04:10,843 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 943 transitions. [2023-11-21 21:04:10,846 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 157.16666666666666) internal successors, (943), 6 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:10,848 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 179.0) internal successors, (1253), 7 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:10,849 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 179.0) internal successors, (1253), 7 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:10,849 INFO L175 Difference]: Start difference. First operand has 137 places, 130 transitions, 280 flow. Second operand 6 states and 943 transitions. [2023-11-21 21:04:10,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 133 transitions, 334 flow [2023-11-21 21:04:10,851 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 133 transitions, 330 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 21:04:10,853 INFO L231 Difference]: Finished difference. Result has 139 places, 129 transitions, 282 flow [2023-11-21 21:04:10,855 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=282, PETRI_PLACES=139, PETRI_TRANSITIONS=129} [2023-11-21 21:04:10,856 INFO L281 CegarLoopForPetriNet]: 162 programPoint places, -23 predicate places. [2023-11-21 21:04:10,856 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 129 transitions, 282 flow [2023-11-21 21:04:10,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 156.0) internal successors, (936), 6 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:10,859 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:04:10,859 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:04:10,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-21 21:04:10,860 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread3Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-11-21 21:04:10,860 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:04:10,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1523809330, now seen corresponding path program 1 times [2023-11-21 21:04:10,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:04:10,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515758495] [2023-11-21 21:04:10,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:04:10,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:04:10,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:04:10,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:04:10,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:04:10,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515758495] [2023-11-21 21:04:10,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515758495] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:04:10,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:04:10,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:04:10,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500513227] [2023-11-21 21:04:10,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:04:10,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:04:10,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:04:10,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:04:10,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:04:10,936 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 179 [2023-11-21 21:04:10,937 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 129 transitions, 282 flow. Second operand has 3 states, 3 states have (on average 158.0) internal successors, (474), 3 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:10,937 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:04:10,937 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 179 [2023-11-21 21:04:10,938 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:04:11,009 INFO L124 PetriNetUnfolderBase]: 63/372 cut-off events. [2023-11-21 21:04:11,010 INFO L125 PetriNetUnfolderBase]: For 59/72 co-relation queries the response was YES. [2023-11-21 21:04:11,011 INFO L83 FinitePrefix]: Finished finitePrefix Result has 572 conditions, 372 events. 63/372 cut-off events. For 59/72 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1524 event pairs, 40 based on Foata normal form. 0/345 useless extension candidates. Maximal degree in co-relation 461. Up to 97 conditions per place. [2023-11-21 21:04:11,013 INFO L140 encePairwiseOnDemand]: 176/179 looper letters, 21 selfloop transitions, 2 changer transitions 0/134 dead transitions. [2023-11-21 21:04:11,013 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 134 transitions, 348 flow [2023-11-21 21:04:11,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:04:11,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:04:11,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 485 transitions. [2023-11-21 21:04:11,016 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9031657355679702 [2023-11-21 21:04:11,016 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 485 transitions. [2023-11-21 21:04:11,016 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 485 transitions. [2023-11-21 21:04:11,017 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:04:11,017 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 485 transitions. [2023-11-21 21:04:11,019 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:11,020 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:11,021 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:11,021 INFO L175 Difference]: Start difference. First operand has 139 places, 129 transitions, 282 flow. Second operand 3 states and 485 transitions. [2023-11-21 21:04:11,021 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 134 transitions, 348 flow [2023-11-21 21:04:11,023 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 134 transitions, 341 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-21 21:04:11,025 INFO L231 Difference]: Finished difference. Result has 136 places, 128 transitions, 277 flow [2023-11-21 21:04:11,026 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=273, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=277, PETRI_PLACES=136, PETRI_TRANSITIONS=128} [2023-11-21 21:04:11,027 INFO L281 CegarLoopForPetriNet]: 162 programPoint places, -26 predicate places. [2023-11-21 21:04:11,027 INFO L495 AbstractCegarLoop]: Abstraction has has 136 places, 128 transitions, 277 flow [2023-11-21 21:04:11,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 158.0) internal successors, (474), 3 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:11,028 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:04:11,028 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:04:11,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-21 21:04:11,028 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-11-21 21:04:11,029 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:04:11,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1613781459, now seen corresponding path program 1 times [2023-11-21 21:04:11,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:04:11,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12243581] [2023-11-21 21:04:11,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:04:11,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:04:11,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:04:11,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:04:11,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:04:11,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12243581] [2023-11-21 21:04:11,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12243581] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:04:11,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:04:11,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:04:11,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980579699] [2023-11-21 21:04:11,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:04:11,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:04:11,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:04:11,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:04:11,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:04:11,116 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 179 [2023-11-21 21:04:11,117 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 128 transitions, 277 flow. Second operand has 3 states, 3 states have (on average 156.66666666666666) internal successors, (470), 3 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:11,117 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:04:11,117 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 179 [2023-11-21 21:04:11,117 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:04:11,213 INFO L124 PetriNetUnfolderBase]: 63/352 cut-off events. [2023-11-21 21:04:11,213 INFO L125 PetriNetUnfolderBase]: For 57/77 co-relation queries the response was YES. [2023-11-21 21:04:11,214 INFO L83 FinitePrefix]: Finished finitePrefix Result has 544 conditions, 352 events. 63/352 cut-off events. For 57/77 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1362 event pairs, 40 based on Foata normal form. 0/330 useless extension candidates. Maximal degree in co-relation 427. Up to 98 conditions per place. [2023-11-21 21:04:11,217 INFO L140 encePairwiseOnDemand]: 176/179 looper letters, 22 selfloop transitions, 2 changer transitions 0/133 dead transitions. [2023-11-21 21:04:11,217 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 133 transitions, 345 flow [2023-11-21 21:04:11,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:04:11,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:04:11,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 480 transitions. [2023-11-21 21:04:11,220 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8938547486033519 [2023-11-21 21:04:11,220 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 480 transitions. [2023-11-21 21:04:11,220 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 480 transitions. [2023-11-21 21:04:11,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:04:11,221 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 480 transitions. [2023-11-21 21:04:11,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 160.0) internal successors, (480), 3 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:11,224 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:11,225 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:11,225 INFO L175 Difference]: Start difference. First operand has 136 places, 128 transitions, 277 flow. Second operand 3 states and 480 transitions. [2023-11-21 21:04:11,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 133 transitions, 345 flow [2023-11-21 21:04:11,227 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 133 transitions, 341 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 21:04:11,229 INFO L231 Difference]: Finished difference. Result has 135 places, 127 transitions, 275 flow [2023-11-21 21:04:11,229 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=271, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=275, PETRI_PLACES=135, PETRI_TRANSITIONS=127} [2023-11-21 21:04:11,230 INFO L281 CegarLoopForPetriNet]: 162 programPoint places, -27 predicate places. [2023-11-21 21:04:11,230 INFO L495 AbstractCegarLoop]: Abstraction has has 135 places, 127 transitions, 275 flow [2023-11-21 21:04:11,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 156.66666666666666) internal successors, (470), 3 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:11,231 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:04:11,231 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:04:11,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-21 21:04:11,232 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-11-21 21:04:11,232 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:04:11,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1906277655, now seen corresponding path program 1 times [2023-11-21 21:04:11,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:04:11,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317858184] [2023-11-21 21:04:11,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:04:11,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:04:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:04:12,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:04:12,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:04:12,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317858184] [2023-11-21 21:04:12,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317858184] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:04:12,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:04:12,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 21:04:12,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897756292] [2023-11-21 21:04:12,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:04:12,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 21:04:12,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:04:12,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 21:04:12,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 21:04:12,230 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 179 [2023-11-21 21:04:12,231 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 127 transitions, 275 flow. Second operand has 6 states, 6 states have (on average 156.33333333333334) internal successors, (938), 6 states have internal predecessors, (938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:12,231 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:04:12,231 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 179 [2023-11-21 21:04:12,231 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:04:12,275 INFO L124 PetriNetUnfolderBase]: 7/149 cut-off events. [2023-11-21 21:04:12,276 INFO L125 PetriNetUnfolderBase]: For 9/12 co-relation queries the response was YES. [2023-11-21 21:04:12,276 INFO L83 FinitePrefix]: Finished finitePrefix Result has 202 conditions, 149 events. 7/149 cut-off events. For 9/12 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 182 event pairs, 5 based on Foata normal form. 0/144 useless extension candidates. Maximal degree in co-relation 191. Up to 23 conditions per place. [2023-11-21 21:04:12,277 INFO L140 encePairwiseOnDemand]: 174/179 looper letters, 0 selfloop transitions, 0 changer transitions 126/126 dead transitions. [2023-11-21 21:04:12,277 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 126 transitions, 305 flow [2023-11-21 21:04:12,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 21:04:12,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 21:04:12,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 939 transitions. [2023-11-21 21:04:12,281 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8743016759776536 [2023-11-21 21:04:12,281 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 939 transitions. [2023-11-21 21:04:12,282 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 939 transitions. [2023-11-21 21:04:12,283 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:04:12,283 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 939 transitions. [2023-11-21 21:04:12,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 156.5) internal successors, (939), 6 states have internal predecessors, (939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:12,289 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 179.0) internal successors, (1253), 7 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:12,290 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 179.0) internal successors, (1253), 7 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:12,291 INFO L175 Difference]: Start difference. First operand has 135 places, 127 transitions, 275 flow. Second operand 6 states and 939 transitions. [2023-11-21 21:04:12,291 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 126 transitions, 305 flow [2023-11-21 21:04:12,294 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 126 transitions, 301 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 21:04:12,295 INFO L231 Difference]: Finished difference. Result has 137 places, 0 transitions, 0 flow [2023-11-21 21:04:12,295 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=269, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=137, PETRI_TRANSITIONS=0} [2023-11-21 21:04:12,296 INFO L281 CegarLoopForPetriNet]: 162 programPoint places, -25 predicate places. [2023-11-21 21:04:12,297 INFO L495 AbstractCegarLoop]: Abstraction has has 137 places, 0 transitions, 0 flow [2023-11-21 21:04:12,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 156.33333333333334) internal successors, (938), 6 states have internal predecessors, (938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:04:12,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (36 of 37 remaining) [2023-11-21 21:04:12,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (35 of 37 remaining) [2023-11-21 21:04:12,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (34 of 37 remaining) [2023-11-21 21:04:12,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (33 of 37 remaining) [2023-11-21 21:04:12,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (32 of 37 remaining) [2023-11-21 21:04:12,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (31 of 37 remaining) [2023-11-21 21:04:12,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (30 of 37 remaining) [2023-11-21 21:04:12,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (29 of 37 remaining) [2023-11-21 21:04:12,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (28 of 37 remaining) [2023-11-21 21:04:12,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (27 of 37 remaining) [2023-11-21 21:04:12,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (26 of 37 remaining) [2023-11-21 21:04:12,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (25 of 37 remaining) [2023-11-21 21:04:12,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (24 of 37 remaining) [2023-11-21 21:04:12,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (23 of 37 remaining) [2023-11-21 21:04:12,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (22 of 37 remaining) [2023-11-21 21:04:12,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (21 of 37 remaining) [2023-11-21 21:04:12,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (20 of 37 remaining) [2023-11-21 21:04:12,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (19 of 37 remaining) [2023-11-21 21:04:12,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (18 of 37 remaining) [2023-11-21 21:04:12,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (17 of 37 remaining) [2023-11-21 21:04:12,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (16 of 37 remaining) [2023-11-21 21:04:12,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (15 of 37 remaining) [2023-11-21 21:04:12,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 37 remaining) [2023-11-21 21:04:12,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 37 remaining) [2023-11-21 21:04:12,306 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 37 remaining) [2023-11-21 21:04:12,306 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 37 remaining) [2023-11-21 21:04:12,306 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (10 of 37 remaining) [2023-11-21 21:04:12,306 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (9 of 37 remaining) [2023-11-21 21:04:12,306 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (8 of 37 remaining) [2023-11-21 21:04:12,307 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (7 of 37 remaining) [2023-11-21 21:04:12,307 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (6 of 37 remaining) [2023-11-21 21:04:12,307 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (5 of 37 remaining) [2023-11-21 21:04:12,307 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (4 of 37 remaining) [2023-11-21 21:04:12,307 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 37 remaining) [2023-11-21 21:04:12,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (2 of 37 remaining) [2023-11-21 21:04:12,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (1 of 37 remaining) [2023-11-21 21:04:12,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (0 of 37 remaining) [2023-11-21 21:04:12,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-21 21:04:12,310 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:04:12,316 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-21 21:04:12,317 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 21:04:12,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 09:04:12 BasicIcfg [2023-11-21 21:04:12,326 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 21:04:12,327 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 21:04:12,327 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 21:04:12,327 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 21:04:12,328 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:04:06" (3/4) ... [2023-11-21 21:04:12,331 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 21:04:12,334 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-21 21:04:12,335 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-21 21:04:12,335 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-21 21:04:12,344 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-21 21:04:12,344 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 21:04:12,345 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 21:04:12,345 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 21:04:12,454 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405da0da-23df-48a9-8880-3680289825db/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 21:04:12,455 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405da0da-23df-48a9-8880-3680289825db/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 21:04:12,455 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 21:04:12,456 INFO L158 Benchmark]: Toolchain (without parser) took 7227.36ms. Allocated memory was 201.3MB in the beginning and 243.3MB in the end (delta: 41.9MB). Free memory was 159.8MB in the beginning and 165.2MB in the end (delta: -5.4MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2023-11-21 21:04:12,456 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 146.8MB. Free memory was 91.1MB in the beginning and 90.9MB in the end (delta: 157.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 21:04:12,456 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.52ms. Allocated memory is still 201.3MB. Free memory was 159.8MB in the beginning and 148.0MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 21:04:12,457 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.51ms. Allocated memory is still 201.3MB. Free memory was 148.0MB in the beginning and 145.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 21:04:12,457 INFO L158 Benchmark]: Boogie Preprocessor took 35.36ms. Allocated memory is still 201.3MB. Free memory was 145.9MB in the beginning and 144.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 21:04:12,458 INFO L158 Benchmark]: RCFGBuilder took 691.63ms. Allocated memory is still 201.3MB. Free memory was 144.6MB in the beginning and 123.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-21 21:04:12,458 INFO L158 Benchmark]: TraceAbstraction took 5956.99ms. Allocated memory was 201.3MB in the beginning and 243.3MB in the end (delta: 41.9MB). Free memory was 122.9MB in the beginning and 170.4MB in the end (delta: -47.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 21:04:12,458 INFO L158 Benchmark]: Witness Printer took 127.95ms. Allocated memory is still 243.3MB. Free memory was 170.4MB in the beginning and 165.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 21:04:12,461 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 146.8MB. Free memory was 91.1MB in the beginning and 90.9MB in the end (delta: 157.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.52ms. Allocated memory is still 201.3MB. Free memory was 159.8MB in the beginning and 148.0MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.51ms. Allocated memory is still 201.3MB. Free memory was 148.0MB in the beginning and 145.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.36ms. Allocated memory is still 201.3MB. Free memory was 145.9MB in the beginning and 144.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 691.63ms. Allocated memory is still 201.3MB. Free memory was 144.6MB in the beginning and 123.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 5956.99ms. Allocated memory was 201.3MB in the beginning and 243.3MB in the end (delta: 41.9MB). Free memory was 122.9MB in the beginning and 170.4MB in the end (delta: -47.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 127.95ms. Allocated memory is still 243.3MB. Free memory was 170.4MB in the beginning and 165.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 235 locations, 37 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: 5.8s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 541 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 222 mSDsluCounter, 77 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 142 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 937 IncrementalHoareTripleChecker+Invalid, 1079 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 142 mSolverCounterUnsat, 77 mSDtfsCounter, 937 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=324occurred in iteration=0, InterpolantAutomatonStates: 48, 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, 2.5s InterpolantComputationTime, 782 NumberOfCodeBlocks, 782 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 769 ConstructedInterpolants, 0 QuantifiedInterpolants, 1032 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 - AllSpecificationsHoldResult: All specifications hold 22 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-21 21:04:12,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405da0da-23df-48a9-8880-3680289825db/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE