./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8deece35-4f72-4c04-9b44-ff7d6ef63ccb/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8deece35-4f72-4c04-9b44-ff7d6ef63ccb/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8deece35-4f72-4c04-9b44-ff7d6ef63ccb/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8deece35-4f72-4c04-9b44-ff7d6ef63ccb/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8deece35-4f72-4c04-9b44-ff7d6ef63ccb/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8deece35-4f72-4c04-9b44-ff7d6ef63ccb/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 91d7b70e505e7aef19ce206c76dac3b8838d1608e22286f0e4e4335d9f63c057 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:47:19,196 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:47:19,310 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8deece35-4f72-4c04-9b44-ff7d6ef63ccb/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-19 07:47:19,318 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:47:19,319 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:47:19,367 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:47:19,367 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:47:19,368 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:47:19,369 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:47:19,374 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:47:19,376 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:47:19,376 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:47:19,377 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:47:19,379 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:47:19,379 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:47:19,379 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:47:19,380 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:47:19,380 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:47:19,381 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:47:19,381 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:47:19,381 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:47:19,382 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:47:19,383 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 07:47:19,383 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:47:19,383 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:47:19,384 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:47:19,384 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:47:19,385 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:47:19,386 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:47:19,386 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:47:19,387 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:47:19,388 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:47:19,388 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:47:19,388 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:47:19,388 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:47:19,389 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:47:19,389 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:47:19,389 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:47:19,389 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:47:19,390 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:47:19,390 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:47:19,390 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_8deece35-4f72-4c04-9b44-ff7d6ef63ccb/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8deece35-4f72-4c04-9b44-ff7d6ef63ccb/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91d7b70e505e7aef19ce206c76dac3b8838d1608e22286f0e4e4335d9f63c057 [2023-11-19 07:47:19,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:47:19,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:47:19,716 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:47:19,718 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:47:19,718 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:47:19,720 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8deece35-4f72-4c04-9b44-ff7d6ef63ccb/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c [2023-11-19 07:47:22,965 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:47:23,187 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:47:23,188 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8deece35-4f72-4c04-9b44-ff7d6ef63ccb/sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c [2023-11-19 07:47:23,196 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8deece35-4f72-4c04-9b44-ff7d6ef63ccb/bin/uautomizer-verify-uCwYo4JHxu/data/149c283b8/ddb61e6a12be4b4fa6cf12eece608316/FLAG46f966f79 [2023-11-19 07:47:23,211 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8deece35-4f72-4c04-9b44-ff7d6ef63ccb/bin/uautomizer-verify-uCwYo4JHxu/data/149c283b8/ddb61e6a12be4b4fa6cf12eece608316 [2023-11-19 07:47:23,214 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:47:23,215 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:47:23,217 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:47:23,217 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:47:23,223 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:47:23,224 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:23" (1/1) ... [2023-11-19 07:47:23,226 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9995c1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:23, skipping insertion in model container [2023-11-19 07:47:23,226 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:23" (1/1) ... [2023-11-19 07:47:23,253 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:47:23,463 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:47:23,474 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:47:23,538 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:47:23,547 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:23,548 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:23,561 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:47:23,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:23 WrapperNode [2023-11-19 07:47:23,563 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:47:23,564 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:47:23,565 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:47:23,565 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:47:23,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:23" (1/1) ... [2023-11-19 07:47:23,606 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:23" (1/1) ... [2023-11-19 07:47:23,659 INFO L138 Inliner]: procedures = 25, calls = 52, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 308 [2023-11-19 07:47:23,660 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:47:23,661 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:47:23,661 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:47:23,661 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:47:23,673 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:23" (1/1) ... [2023-11-19 07:47:23,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:23" (1/1) ... [2023-11-19 07:47:23,694 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:23" (1/1) ... [2023-11-19 07:47:23,694 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:23" (1/1) ... [2023-11-19 07:47:23,719 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:23" (1/1) ... [2023-11-19 07:47:23,723 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:23" (1/1) ... [2023-11-19 07:47:23,740 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:23" (1/1) ... [2023-11-19 07:47:23,743 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:23" (1/1) ... [2023-11-19 07:47:23,746 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:47:23,747 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:47:23,747 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:47:23,748 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:47:23,749 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:23" (1/1) ... [2023-11-19 07:47:23,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:47:23,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8deece35-4f72-4c04-9b44-ff7d6ef63ccb/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:23,786 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8deece35-4f72-4c04-9b44-ff7d6ef63ccb/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:47:23,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8deece35-4f72-4c04-9b44-ff7d6ef63ccb/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:47:23,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:47:23,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:47:23,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:47:23,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:47:23,828 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 07:47:23,828 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 07:47:23,829 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 07:47:23,829 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 07:47:23,829 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 07:47:23,829 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 07:47:23,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:47:23,830 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 07:47:23,830 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 07:47:23,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:47:23,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:47:23,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:47:23,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:47:23,832 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 07:47:23,988 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:47:23,989 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:47:24,576 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:47:24,901 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:47:24,902 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 07:47:24,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:24 BoogieIcfgContainer [2023-11-19 07:47:24,911 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:47:24,914 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:47:24,914 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:47:24,918 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:47:24,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:47:23" (1/3) ... [2023-11-19 07:47:24,921 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@685d0584 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:24, skipping insertion in model container [2023-11-19 07:47:24,921 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:23" (2/3) ... [2023-11-19 07:47:24,922 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@685d0584 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:24, skipping insertion in model container [2023-11-19 07:47:24,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:24" (3/3) ... [2023-11-19 07:47:24,924 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum-alt.wvr.c [2023-11-19 07:47:24,934 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 07:47:24,946 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:47:24,946 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2023-11-19 07:47:24,946 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 07:47:25,086 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-19 07:47:25,180 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 249 places, 252 transitions, 525 flow [2023-11-19 07:47:25,331 INFO L124 PetriNetUnfolderBase]: 13/249 cut-off events. [2023-11-19 07:47:25,335 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-19 07:47:25,344 INFO L83 FinitePrefix]: Finished finitePrefix Result has 262 conditions, 249 events. 13/249 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 288 event pairs, 0 based on Foata normal form. 0/207 useless extension candidates. Maximal degree in co-relation 172. Up to 2 conditions per place. [2023-11-19 07:47:25,344 INFO L82 GeneralOperation]: Start removeDead. Operand has 249 places, 252 transitions, 525 flow [2023-11-19 07:47:25,363 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 224 places, 226 transitions, 470 flow [2023-11-19 07:47:25,375 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:47:25,392 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 224 places, 226 transitions, 470 flow [2023-11-19 07:47:25,397 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 224 places, 226 transitions, 470 flow [2023-11-19 07:47:25,398 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 224 places, 226 transitions, 470 flow [2023-11-19 07:47:25,481 INFO L124 PetriNetUnfolderBase]: 12/226 cut-off events. [2023-11-19 07:47:25,482 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-19 07:47:25,486 INFO L83 FinitePrefix]: Finished finitePrefix Result has 239 conditions, 226 events. 12/226 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 287 event pairs, 0 based on Foata normal form. 0/186 useless extension candidates. Maximal degree in co-relation 172. Up to 2 conditions per place. [2023-11-19 07:47:25,490 INFO L119 LiptonReduction]: Number of co-enabled transitions 5682 [2023-11-19 07:47:32,927 INFO L134 LiptonReduction]: Checked pairs total: 32452 [2023-11-19 07:47:32,927 INFO L136 LiptonReduction]: Total number of compositions: 201 [2023-11-19 07:47:32,945 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:47:32,952 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;@9e9010e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:47:32,953 INFO L358 AbstractCegarLoop]: Starting to check reachability of 48 error locations. [2023-11-19 07:47:32,955 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 07:47:32,955 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-19 07:47:32,955 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:47:32,955 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:47:32,956 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-19 07:47:32,957 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-11-19 07:47:32,962 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:32,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1147, now seen corresponding path program 1 times [2023-11-19 07:47:32,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:32,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812156218] [2023-11-19 07:47:32,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:32,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:33,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:33,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:33,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:33,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812156218] [2023-11-19 07:47:33,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812156218] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:33,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:33,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-19 07:47:33,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175126193] [2023-11-19 07:47:33,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:33,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:47:33,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:33,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:47:33,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:47:33,152 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 453 [2023-11-19 07:47:33,160 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 76 transitions, 170 flow. Second operand has 2 states, 2 states have (on average 219.5) internal successors, (439), 2 states have internal predecessors, (439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:33,160 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:47:33,160 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 453 [2023-11-19 07:47:33,162 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:47:33,519 INFO L124 PetriNetUnfolderBase]: 822/1643 cut-off events. [2023-11-19 07:47:33,520 INFO L125 PetriNetUnfolderBase]: For 118/118 co-relation queries the response was YES. [2023-11-19 07:47:33,527 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2920 conditions, 1643 events. 822/1643 cut-off events. For 118/118 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 9727 event pairs, 629 based on Foata normal form. 193/1549 useless extension candidates. Maximal degree in co-relation 2268. Up to 1186 conditions per place. [2023-11-19 07:47:33,542 INFO L140 encePairwiseOnDemand]: 428/453 looper letters, 28 selfloop transitions, 0 changer transitions 1/51 dead transitions. [2023-11-19 07:47:33,542 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 51 transitions, 178 flow [2023-11-19 07:47:33,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:47:33,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-19 07:47:33,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 492 transitions. [2023-11-19 07:47:33,566 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.543046357615894 [2023-11-19 07:47:33,567 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 492 transitions. [2023-11-19 07:47:33,567 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 492 transitions. [2023-11-19 07:47:33,572 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:47:33,574 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 492 transitions. [2023-11-19 07:47:33,581 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 246.0) internal successors, (492), 2 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:33,588 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 453.0) internal successors, (1359), 3 states have internal predecessors, (1359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:33,589 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 453.0) internal successors, (1359), 3 states have internal predecessors, (1359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:33,591 INFO L175 Difference]: Start difference. First operand has 79 places, 76 transitions, 170 flow. Second operand 2 states and 492 transitions. [2023-11-19 07:47:33,592 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 51 transitions, 178 flow [2023-11-19 07:47:33,598 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 51 transitions, 166 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-19 07:47:33,601 INFO L231 Difference]: Finished difference. Result has 52 places, 50 transitions, 105 flow [2023-11-19 07:47:33,603 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=453, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=105, PETRI_PLACES=52, PETRI_TRANSITIONS=50} [2023-11-19 07:47:33,609 INFO L281 CegarLoopForPetriNet]: 79 programPoint places, -27 predicate places. [2023-11-19 07:47:33,609 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 50 transitions, 105 flow [2023-11-19 07:47:33,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 219.5) internal successors, (439), 2 states have internal predecessors, (439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:33,610 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:47:33,610 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:47:33,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:47:33,612 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-11-19 07:47:33,624 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:33,624 INFO L85 PathProgramCache]: Analyzing trace with hash -169456674, now seen corresponding path program 1 times [2023-11-19 07:47:33,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:33,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168942078] [2023-11-19 07:47:33,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:33,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:33,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:33,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:33,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:33,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168942078] [2023-11-19 07:47:33,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168942078] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:33,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:33,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:47:33,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707143971] [2023-11-19 07:47:33,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:33,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:47:33,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:33,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:47:33,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:47:33,839 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 206 out of 453 [2023-11-19 07:47:33,840 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 50 transitions, 105 flow. Second operand has 3 states, 3 states have (on average 208.0) internal successors, (624), 3 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:33,840 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:47:33,841 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 206 of 453 [2023-11-19 07:47:33,841 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:47:34,135 INFO L124 PetriNetUnfolderBase]: 1141/2073 cut-off events. [2023-11-19 07:47:34,136 INFO L125 PetriNetUnfolderBase]: For 42/42 co-relation queries the response was YES. [2023-11-19 07:47:34,140 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3744 conditions, 2073 events. 1141/2073 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 11392 event pairs, 902 based on Foata normal form. 0/1721 useless extension candidates. Maximal degree in co-relation 3741. Up to 1637 conditions per place. [2023-11-19 07:47:34,154 INFO L140 encePairwiseOnDemand]: 450/453 looper letters, 29 selfloop transitions, 1 changer transitions 0/48 dead transitions. [2023-11-19 07:47:34,154 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 48 transitions, 161 flow [2023-11-19 07:47:34,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:47:34,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:47:34,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 650 transitions. [2023-11-19 07:47:34,158 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4782928623988227 [2023-11-19 07:47:34,158 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 650 transitions. [2023-11-19 07:47:34,159 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 650 transitions. [2023-11-19 07:47:34,159 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:47:34,160 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 650 transitions. [2023-11-19 07:47:34,162 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:34,167 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 453.0) internal successors, (1812), 4 states have internal predecessors, (1812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:34,169 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 453.0) internal successors, (1812), 4 states have internal predecessors, (1812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:34,169 INFO L175 Difference]: Start difference. First operand has 52 places, 50 transitions, 105 flow. Second operand 3 states and 650 transitions. [2023-11-19 07:47:34,170 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 48 transitions, 161 flow [2023-11-19 07:47:34,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 48 transitions, 161 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:47:34,172 INFO L231 Difference]: Finished difference. Result has 51 places, 48 transitions, 103 flow [2023-11-19 07:47:34,172 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=453, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=103, PETRI_PLACES=51, PETRI_TRANSITIONS=48} [2023-11-19 07:47:34,173 INFO L281 CegarLoopForPetriNet]: 79 programPoint places, -28 predicate places. [2023-11-19 07:47:34,174 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 48 transitions, 103 flow [2023-11-19 07:47:34,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 208.0) internal successors, (624), 3 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:34,175 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:47:34,175 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:34,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:47:34,176 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-11-19 07:47:34,176 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:34,177 INFO L85 PathProgramCache]: Analyzing trace with hash 437706461, now seen corresponding path program 1 times [2023-11-19 07:47:34,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:34,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238377495] [2023-11-19 07:47:34,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:34,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:34,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:34,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:34,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:34,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238377495] [2023-11-19 07:47:34,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238377495] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:34,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:34,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:47:34,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108186063] [2023-11-19 07:47:34,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:34,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:47:34,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:34,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:47:34,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:47:34,292 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 206 out of 453 [2023-11-19 07:47:34,293 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 48 transitions, 103 flow. Second operand has 3 states, 3 states have (on average 208.66666666666666) internal successors, (626), 3 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:34,293 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:47:34,293 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 206 of 453 [2023-11-19 07:47:34,294 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:47:34,580 INFO L124 PetriNetUnfolderBase]: 982/1878 cut-off events. [2023-11-19 07:47:34,580 INFO L125 PetriNetUnfolderBase]: For 42/42 co-relation queries the response was YES. [2023-11-19 07:47:34,585 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3324 conditions, 1878 events. 982/1878 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 10682 event pairs, 765 based on Foata normal form. 0/1553 useless extension candidates. Maximal degree in co-relation 3320. Up to 1410 conditions per place. [2023-11-19 07:47:34,597 INFO L140 encePairwiseOnDemand]: 450/453 looper letters, 28 selfloop transitions, 1 changer transitions 0/46 dead transitions. [2023-11-19 07:47:34,597 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 46 transitions, 157 flow [2023-11-19 07:47:34,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:47:34,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:47:34,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 649 transitions. [2023-11-19 07:47:34,601 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4775570272259014 [2023-11-19 07:47:34,601 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 649 transitions. [2023-11-19 07:47:34,602 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 649 transitions. [2023-11-19 07:47:34,602 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:47:34,603 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 649 transitions. [2023-11-19 07:47:34,605 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 216.33333333333334) internal successors, (649), 3 states have internal predecessors, (649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:34,609 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 453.0) internal successors, (1812), 4 states have internal predecessors, (1812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:34,611 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 453.0) internal successors, (1812), 4 states have internal predecessors, (1812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:34,611 INFO L175 Difference]: Start difference. First operand has 51 places, 48 transitions, 103 flow. Second operand 3 states and 649 transitions. [2023-11-19 07:47:34,611 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 46 transitions, 157 flow [2023-11-19 07:47:34,613 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 46 transitions, 156 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 07:47:34,614 INFO L231 Difference]: Finished difference. Result has 50 places, 46 transitions, 100 flow [2023-11-19 07:47:34,614 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=453, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=100, PETRI_PLACES=50, PETRI_TRANSITIONS=46} [2023-11-19 07:47:34,615 INFO L281 CegarLoopForPetriNet]: 79 programPoint places, -29 predicate places. [2023-11-19 07:47:34,616 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 46 transitions, 100 flow [2023-11-19 07:47:34,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 208.66666666666666) internal successors, (626), 3 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:34,617 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:47:34,617 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:34,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:47:34,618 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-11-19 07:47:34,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:34,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1148211672, now seen corresponding path program 1 times [2023-11-19 07:47:34,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:34,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164251216] [2023-11-19 07:47:34,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:34,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:34,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:35,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:35,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:35,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164251216] [2023-11-19 07:47:35,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164251216] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:35,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:35,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:47:35,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339594624] [2023-11-19 07:47:35,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:35,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:47:35,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:35,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:47:35,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:47:35,521 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 453 [2023-11-19 07:47:35,524 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 46 transitions, 100 flow. Second operand has 6 states, 6 states have (on average 207.0) internal successors, (1242), 6 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:35,524 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:47:35,524 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 453 [2023-11-19 07:47:35,524 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:47:36,204 INFO L124 PetriNetUnfolderBase]: 2262/3310 cut-off events. [2023-11-19 07:47:36,204 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-11-19 07:47:36,209 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6445 conditions, 3310 events. 2262/3310 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 172. Compared 15986 event pairs, 235 based on Foata normal form. 0/2781 useless extension candidates. Maximal degree in co-relation 6441. Up to 1164 conditions per place. [2023-11-19 07:47:36,230 INFO L140 encePairwiseOnDemand]: 448/453 looper letters, 88 selfloop transitions, 4 changer transitions 0/105 dead transitions. [2023-11-19 07:47:36,230 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 105 transitions, 402 flow [2023-11-19 07:47:36,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:47:36,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:47:36,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1323 transitions. [2023-11-19 07:47:36,236 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4867549668874172 [2023-11-19 07:47:36,236 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1323 transitions. [2023-11-19 07:47:36,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1323 transitions. [2023-11-19 07:47:36,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:47:36,238 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1323 transitions. [2023-11-19 07:47:36,242 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 220.5) internal successors, (1323), 6 states have internal predecessors, (1323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:36,250 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 453.0) internal successors, (3171), 7 states have internal predecessors, (3171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:36,253 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 453.0) internal successors, (3171), 7 states have internal predecessors, (3171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:36,253 INFO L175 Difference]: Start difference. First operand has 50 places, 46 transitions, 100 flow. Second operand 6 states and 1323 transitions. [2023-11-19 07:47:36,253 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 105 transitions, 402 flow [2023-11-19 07:47:36,256 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 105 transitions, 401 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 07:47:36,259 INFO L231 Difference]: Finished difference. Result has 53 places, 45 transitions, 105 flow [2023-11-19 07:47:36,260 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=453, PETRI_DIFFERENCE_MINUEND_FLOW=97, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=105, PETRI_PLACES=53, PETRI_TRANSITIONS=45} [2023-11-19 07:47:36,261 INFO L281 CegarLoopForPetriNet]: 79 programPoint places, -26 predicate places. [2023-11-19 07:47:36,262 INFO L495 AbstractCegarLoop]: Abstraction has has 53 places, 45 transitions, 105 flow [2023-11-19 07:47:36,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 207.0) internal successors, (1242), 6 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:36,263 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:47:36,264 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] [2023-11-19 07:47:36,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:47:36,264 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-11-19 07:47:36,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:36,265 INFO L85 PathProgramCache]: Analyzing trace with hash -792280785, now seen corresponding path program 1 times [2023-11-19 07:47:36,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:36,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678392920] [2023-11-19 07:47:36,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:36,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:36,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:36,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:36,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:36,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678392920] [2023-11-19 07:47:36,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678392920] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:36,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:36,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:47:36,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552082462] [2023-11-19 07:47:36,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:36,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:47:36,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:36,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:47:36,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:47:36,883 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 453 [2023-11-19 07:47:36,885 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 45 transitions, 105 flow. Second operand has 6 states, 6 states have (on average 207.66666666666666) internal successors, (1246), 6 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:36,886 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:47:36,886 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 453 [2023-11-19 07:47:36,886 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:47:37,290 INFO L124 PetriNetUnfolderBase]: 1062/1689 cut-off events. [2023-11-19 07:47:37,290 INFO L125 PetriNetUnfolderBase]: For 134/134 co-relation queries the response was YES. [2023-11-19 07:47:37,293 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3432 conditions, 1689 events. 1062/1689 cut-off events. For 134/134 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 7848 event pairs, 570 based on Foata normal form. 0/1422 useless extension candidates. Maximal degree in co-relation 3428. Up to 1071 conditions per place. [2023-11-19 07:47:37,304 INFO L140 encePairwiseOnDemand]: 448/453 looper letters, 72 selfloop transitions, 4 changer transitions 0/88 dead transitions. [2023-11-19 07:47:37,304 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 88 transitions, 343 flow [2023-11-19 07:47:37,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:47:37,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:47:37,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1307 transitions. [2023-11-19 07:47:37,310 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4808682855040471 [2023-11-19 07:47:37,310 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1307 transitions. [2023-11-19 07:47:37,310 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1307 transitions. [2023-11-19 07:47:37,312 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:47:37,312 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1307 transitions. [2023-11-19 07:47:37,316 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 217.83333333333334) internal successors, (1307), 6 states have internal predecessors, (1307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:37,323 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 453.0) internal successors, (3171), 7 states have internal predecessors, (3171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:37,326 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 453.0) internal successors, (3171), 7 states have internal predecessors, (3171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:37,326 INFO L175 Difference]: Start difference. First operand has 53 places, 45 transitions, 105 flow. Second operand 6 states and 1307 transitions. [2023-11-19 07:47:37,326 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 88 transitions, 343 flow [2023-11-19 07:47:37,329 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 88 transitions, 336 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-19 07:47:37,331 INFO L231 Difference]: Finished difference. Result has 53 places, 44 transitions, 104 flow [2023-11-19 07:47:37,331 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=453, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=104, PETRI_PLACES=53, PETRI_TRANSITIONS=44} [2023-11-19 07:47:37,332 INFO L281 CegarLoopForPetriNet]: 79 programPoint places, -26 predicate places. [2023-11-19 07:47:37,332 INFO L495 AbstractCegarLoop]: Abstraction has has 53 places, 44 transitions, 104 flow [2023-11-19 07:47:37,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 207.66666666666666) internal successors, (1246), 6 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:37,333 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:47:37,333 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] [2023-11-19 07:47:37,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:47:37,334 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-11-19 07:47:37,334 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:37,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1922138815, now seen corresponding path program 1 times [2023-11-19 07:47:37,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:37,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598981874] [2023-11-19 07:47:37,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:37,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:37,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:37,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:37,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:37,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598981874] [2023-11-19 07:47:37,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598981874] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:37,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:37,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:47:37,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124167175] [2023-11-19 07:47:37,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:37,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:47:37,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:37,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:47:37,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:47:38,012 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 453 [2023-11-19 07:47:38,013 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 44 transitions, 104 flow. Second operand has 6 states, 6 states have (on average 208.33333333333334) internal successors, (1250), 6 states have internal predecessors, (1250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:38,014 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:47:38,014 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 453 [2023-11-19 07:47:38,014 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:47:38,365 INFO L124 PetriNetUnfolderBase]: 846/1531 cut-off events. [2023-11-19 07:47:38,365 INFO L125 PetriNetUnfolderBase]: For 58/58 co-relation queries the response was YES. [2023-11-19 07:47:38,368 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2946 conditions, 1531 events. 846/1531 cut-off events. For 58/58 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 8115 event pairs, 624 based on Foata normal form. 0/1308 useless extension candidates. Maximal degree in co-relation 2942. Up to 1173 conditions per place. [2023-11-19 07:47:38,369 INFO L140 encePairwiseOnDemand]: 448/453 looper letters, 0 selfloop transitions, 0 changer transitions 67/67 dead transitions. [2023-11-19 07:47:38,370 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 67 transitions, 262 flow [2023-11-19 07:47:38,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:47:38,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:47:38,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1287 transitions. [2023-11-19 07:47:38,375 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4735099337748344 [2023-11-19 07:47:38,376 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1287 transitions. [2023-11-19 07:47:38,376 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1287 transitions. [2023-11-19 07:47:38,377 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:47:38,377 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1287 transitions. [2023-11-19 07:47:38,381 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 214.5) internal successors, (1287), 6 states have internal predecessors, (1287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:38,387 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 453.0) internal successors, (3171), 7 states have internal predecessors, (3171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:38,389 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 453.0) internal successors, (3171), 7 states have internal predecessors, (3171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:38,389 INFO L175 Difference]: Start difference. First operand has 53 places, 44 transitions, 104 flow. Second operand 6 states and 1287 transitions. [2023-11-19 07:47:38,389 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 67 transitions, 262 flow [2023-11-19 07:47:38,391 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 67 transitions, 255 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-19 07:47:38,392 INFO L231 Difference]: Finished difference. Result has 53 places, 0 transitions, 0 flow [2023-11-19 07:47:38,392 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=453, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=53, PETRI_TRANSITIONS=0} [2023-11-19 07:47:38,393 INFO L281 CegarLoopForPetriNet]: 79 programPoint places, -26 predicate places. [2023-11-19 07:47:38,393 INFO L495 AbstractCegarLoop]: Abstraction has has 53 places, 0 transitions, 0 flow [2023-11-19 07:47:38,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 208.33333333333334) internal successors, (1250), 6 states have internal predecessors, (1250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:38,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (47 of 48 remaining) [2023-11-19 07:47:38,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (46 of 48 remaining) [2023-11-19 07:47:38,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (45 of 48 remaining) [2023-11-19 07:47:38,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (44 of 48 remaining) [2023-11-19 07:47:38,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (43 of 48 remaining) [2023-11-19 07:47:38,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (42 of 48 remaining) [2023-11-19 07:47:38,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (41 of 48 remaining) [2023-11-19 07:47:38,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (40 of 48 remaining) [2023-11-19 07:47:38,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (39 of 48 remaining) [2023-11-19 07:47:38,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (38 of 48 remaining) [2023-11-19 07:47:38,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (37 of 48 remaining) [2023-11-19 07:47:38,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (36 of 48 remaining) [2023-11-19 07:47:38,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (35 of 48 remaining) [2023-11-19 07:47:38,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (34 of 48 remaining) [2023-11-19 07:47:38,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (33 of 48 remaining) [2023-11-19 07:47:38,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (32 of 48 remaining) [2023-11-19 07:47:38,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (31 of 48 remaining) [2023-11-19 07:47:38,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (30 of 48 remaining) [2023-11-19 07:47:38,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (29 of 48 remaining) [2023-11-19 07:47:38,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (28 of 48 remaining) [2023-11-19 07:47:38,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (27 of 48 remaining) [2023-11-19 07:47:38,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (26 of 48 remaining) [2023-11-19 07:47:38,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (25 of 48 remaining) [2023-11-19 07:47:38,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (24 of 48 remaining) [2023-11-19 07:47:38,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (23 of 48 remaining) [2023-11-19 07:47:38,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (22 of 48 remaining) [2023-11-19 07:47:38,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (21 of 48 remaining) [2023-11-19 07:47:38,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (20 of 48 remaining) [2023-11-19 07:47:38,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (19 of 48 remaining) [2023-11-19 07:47:38,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 48 remaining) [2023-11-19 07:47:38,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 48 remaining) [2023-11-19 07:47:38,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 48 remaining) [2023-11-19 07:47:38,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (15 of 48 remaining) [2023-11-19 07:47:38,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (14 of 48 remaining) [2023-11-19 07:47:38,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (13 of 48 remaining) [2023-11-19 07:47:38,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (12 of 48 remaining) [2023-11-19 07:47:38,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (11 of 48 remaining) [2023-11-19 07:47:38,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 48 remaining) [2023-11-19 07:47:38,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 48 remaining) [2023-11-19 07:47:38,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 48 remaining) [2023-11-19 07:47:38,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 48 remaining) [2023-11-19 07:47:38,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 48 remaining) [2023-11-19 07:47:38,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (5 of 48 remaining) [2023-11-19 07:47:38,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (4 of 48 remaining) [2023-11-19 07:47:38,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (3 of 48 remaining) [2023-11-19 07:47:38,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (2 of 48 remaining) [2023-11-19 07:47:38,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (1 of 48 remaining) [2023-11-19 07:47:38,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (0 of 48 remaining) [2023-11-19 07:47:38,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 07:47:38,409 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-19 07:47:38,415 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 07:47:38,416 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:47:38,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:47:38 BasicIcfg [2023-11-19 07:47:38,420 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:47:38,421 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:47:38,421 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:47:38,421 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:47:38,422 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:24" (3/4) ... [2023-11-19 07:47:38,424 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:47:38,427 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-19 07:47:38,427 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-19 07:47:38,427 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-19 07:47:38,434 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-19 07:47:38,435 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 07:47:38,435 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 07:47:38,436 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:47:38,534 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8deece35-4f72-4c04-9b44-ff7d6ef63ccb/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:47:38,535 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8deece35-4f72-4c04-9b44-ff7d6ef63ccb/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:47:38,535 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:47:38,536 INFO L158 Benchmark]: Toolchain (without parser) took 15320.62ms. Allocated memory was 155.2MB in the beginning and 270.5MB in the end (delta: 115.3MB). Free memory was 109.0MB in the beginning and 184.1MB in the end (delta: -75.1MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. [2023-11-19 07:47:38,536 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 125.8MB. Free memory is still 66.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:47:38,537 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.22ms. Allocated memory is still 155.2MB. Free memory was 108.6MB in the beginning and 96.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:47:38,537 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.02ms. Allocated memory is still 155.2MB. Free memory was 96.0MB in the beginning and 93.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:47:38,538 INFO L158 Benchmark]: Boogie Preprocessor took 85.99ms. Allocated memory is still 155.2MB. Free memory was 93.0MB in the beginning and 90.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:47:38,538 INFO L158 Benchmark]: RCFGBuilder took 1163.48ms. Allocated memory is still 155.2MB. Free memory was 90.4MB in the beginning and 71.2MB in the end (delta: 19.3MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2023-11-19 07:47:38,539 INFO L158 Benchmark]: TraceAbstraction took 13506.53ms. Allocated memory was 155.2MB in the beginning and 270.5MB in the end (delta: 115.3MB). Free memory was 70.0MB in the beginning and 189.4MB in the end (delta: -119.3MB). Peak memory consumption was 115.5MB. Max. memory is 16.1GB. [2023-11-19 07:47:38,539 INFO L158 Benchmark]: Witness Printer took 114.45ms. Allocated memory is still 270.5MB. Free memory was 189.4MB in the beginning and 184.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:47:38,541 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 125.8MB. Free memory is still 66.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.22ms. Allocated memory is still 155.2MB. Free memory was 108.6MB in the beginning and 96.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.02ms. Allocated memory is still 155.2MB. Free memory was 96.0MB in the beginning and 93.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.99ms. Allocated memory is still 155.2MB. Free memory was 93.0MB in the beginning and 90.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1163.48ms. Allocated memory is still 155.2MB. Free memory was 90.4MB in the beginning and 71.2MB in the end (delta: 19.3MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. * TraceAbstraction took 13506.53ms. Allocated memory was 155.2MB in the beginning and 270.5MB in the end (delta: 115.3MB). Free memory was 70.0MB in the beginning and 189.4MB in the end (delta: -119.3MB). Peak memory consumption was 115.5MB. Max. memory is 16.1GB. * Witness Printer took 114.45ms. Allocated memory is still 270.5MB. Free memory was 189.4MB in the beginning and 184.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.5s, 224 PlacesBefore, 79 PlacesAfterwards, 226 TransitionsBefore, 76 TransitionsAfterwards, 5682 CoEnabledTransitionPairs, 8 FixpointIterations, 126 TrivialSequentialCompositions, 44 ConcurrentSequentialCompositions, 17 TrivialYvCompositions, 9 ConcurrentYvCompositions, 5 ChoiceCompositions, 201 TotalNumberOfCompositions, 32452 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 11428, independent: 10656, independent conditional: 0, independent unconditional: 10656, dependent: 772, dependent conditional: 0, dependent unconditional: 772, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2930, independent: 2846, independent conditional: 0, independent unconditional: 2846, dependent: 84, dependent conditional: 0, dependent unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11428, independent: 7810, independent conditional: 0, independent unconditional: 7810, dependent: 688, dependent conditional: 0, dependent unconditional: 688, unknown: 2930, unknown conditional: 0, unknown unconditional: 2930] , Statistics on independence cache: Total cache size (in pairs): 647, Positive cache size: 595, Positive conditional cache size: 0, Positive unconditional cache size: 595, Negative cache size: 52, Negative conditional cache size: 0, Negative unconditional cache size: 52, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 47]: 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: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: 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, 303 locations, 48 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 13.3s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 441 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 284 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 178 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1083 IncrementalHoareTripleChecker+Invalid, 1261 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 178 mSolverCounterUnsat, 18 mSDtfsCounter, 1083 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=170occurred in iteration=0, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 319 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 29 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-19 07:47:38,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8deece35-4f72-4c04-9b44-ff7d6ef63ccb/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE