./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/unroll-3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d15a7c-68a5-4c62-866e-6ce91b06c625/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d15a7c-68a5-4c62-866e-6ce91b06c625/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_30d15a7c-68a5-4c62-866e-6ce91b06c625/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d15a7c-68a5-4c62-866e-6ce91b06c625/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/unroll-3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d15a7c-68a5-4c62-866e-6ce91b06c625/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_30d15a7c-68a5-4c62-866e-6ce91b06c625/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 a4cca88acec68e5dbb90cd5700ef248bb5273dc097847f9475a683bfbdc7b189 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:47:43,967 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:47:44,094 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d15a7c-68a5-4c62-866e-6ce91b06c625/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-19 07:47:44,102 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:47:44,103 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:47:44,142 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:47:44,143 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:47:44,144 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:47:44,145 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:47:44,150 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:47:44,152 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:47:44,152 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:47:44,153 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:47:44,154 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:47:44,155 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:47:44,155 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:47:44,156 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:47:44,156 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:47:44,157 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:47:44,157 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:47:44,158 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:47:44,158 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:47:44,159 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 07:47:44,159 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:47:44,160 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:47:44,160 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:47:44,160 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:47:44,161 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:47:44,162 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:47:44,162 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:47:44,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:47:44,175 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:47:44,176 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:47:44,176 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:47:44,176 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:47:44,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:47:44,177 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:47:44,177 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:47:44,177 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:47:44,178 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:47:44,178 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:47:44,178 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_30d15a7c-68a5-4c62-866e-6ce91b06c625/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d15a7c-68a5-4c62-866e-6ce91b06c625/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4cca88acec68e5dbb90cd5700ef248bb5273dc097847f9475a683bfbdc7b189 [2023-11-19 07:47:44,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:47:44,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:47:44,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:47:44,595 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:47:44,595 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:47:44,597 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d15a7c-68a5-4c62-866e-6ce91b06c625/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/weaver/unroll-3.wvr.c [2023-11-19 07:47:47,809 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:47:48,066 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:47:48,067 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d15a7c-68a5-4c62-866e-6ce91b06c625/sv-benchmarks/c/weaver/unroll-3.wvr.c [2023-11-19 07:47:48,078 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d15a7c-68a5-4c62-866e-6ce91b06c625/bin/uautomizer-verify-uCwYo4JHxu/data/f578f3698/0969288d02184ccf8c5d6610a4992f9c/FLAG9c6b5ef18 [2023-11-19 07:47:48,097 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d15a7c-68a5-4c62-866e-6ce91b06c625/bin/uautomizer-verify-uCwYo4JHxu/data/f578f3698/0969288d02184ccf8c5d6610a4992f9c [2023-11-19 07:47:48,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:47:48,105 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:47:48,109 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:47:48,109 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:47:48,115 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:47:48,116 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:48" (1/1) ... [2023-11-19 07:47:48,117 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dc34eb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:48, skipping insertion in model container [2023-11-19 07:47:48,118 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:48" (1/1) ... [2023-11-19 07:47:48,150 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:47:48,431 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:47:48,442 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:47:48,491 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:47:48,509 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:47:48,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:48 WrapperNode [2023-11-19 07:47:48,509 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:47:48,511 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:47:48,511 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:47:48,511 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:47:48,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:48" (1/1) ... [2023-11-19 07:47:48,532 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:48" (1/1) ... [2023-11-19 07:47:48,572 INFO L138 Inliner]: procedures = 24, calls = 35, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 286 [2023-11-19 07:47:48,573 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:47:48,574 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:47:48,574 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:47:48,574 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:47:48,589 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:48" (1/1) ... [2023-11-19 07:47:48,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:48" (1/1) ... [2023-11-19 07:47:48,595 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:48" (1/1) ... [2023-11-19 07:47:48,596 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:48" (1/1) ... [2023-11-19 07:47:48,611 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:48" (1/1) ... [2023-11-19 07:47:48,616 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:48" (1/1) ... [2023-11-19 07:47:48,620 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:48" (1/1) ... [2023-11-19 07:47:48,622 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:48" (1/1) ... [2023-11-19 07:47:48,627 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:47:48,628 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:47:48,628 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:47:48,628 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:47:48,629 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:48" (1/1) ... [2023-11-19 07:47:48,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:47:48,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d15a7c-68a5-4c62-866e-6ce91b06c625/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:48,683 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d15a7c-68a5-4c62-866e-6ce91b06c625/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:47:48,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d15a7c-68a5-4c62-866e-6ce91b06c625/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:47:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:47:48,725 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 07:47:48,725 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 07:47:48,725 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 07:47:48,725 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 07:47:48,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:47:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:47:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:47:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:47:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:47:48,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:47:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:47:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:47:48,728 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 07:47:48,843 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:47:48,846 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:47:49,547 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:47:49,568 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:47:49,568 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 07:47:49,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:49 BoogieIcfgContainer [2023-11-19 07:47:49,575 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:47:49,578 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:47:49,579 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:47:49,582 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:47:49,583 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:47:48" (1/3) ... [2023-11-19 07:47:49,584 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fc2b715 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:49, skipping insertion in model container [2023-11-19 07:47:49,584 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:48" (2/3) ... [2023-11-19 07:47:49,584 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fc2b715 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:49, skipping insertion in model container [2023-11-19 07:47:49,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:49" (3/3) ... [2023-11-19 07:47:49,586 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-3.wvr.c [2023-11-19 07:47:49,596 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 07:47:49,608 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:47:49,608 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 41 error locations. [2023-11-19 07:47:49,609 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 07:47:49,762 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-19 07:47:49,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 357 places, 369 transitions, 752 flow [2023-11-19 07:47:50,024 INFO L124 PetriNetUnfolderBase]: 19/367 cut-off events. [2023-11-19 07:47:50,024 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 07:47:50,038 INFO L83 FinitePrefix]: Finished finitePrefix Result has 376 conditions, 367 events. 19/367 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 548 event pairs, 0 based on Foata normal form. 0/307 useless extension candidates. Maximal degree in co-relation 219. Up to 2 conditions per place. [2023-11-19 07:47:50,038 INFO L82 GeneralOperation]: Start removeDead. Operand has 357 places, 369 transitions, 752 flow [2023-11-19 07:47:50,055 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 335 places, 346 transitions, 704 flow [2023-11-19 07:47:50,058 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:47:50,075 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 335 places, 346 transitions, 704 flow [2023-11-19 07:47:50,080 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 335 places, 346 transitions, 704 flow [2023-11-19 07:47:50,080 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 335 places, 346 transitions, 704 flow [2023-11-19 07:47:50,194 INFO L124 PetriNetUnfolderBase]: 18/346 cut-off events. [2023-11-19 07:47:50,194 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 07:47:50,200 INFO L83 FinitePrefix]: Finished finitePrefix Result has 355 conditions, 346 events. 18/346 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 484 event pairs, 0 based on Foata normal form. 0/288 useless extension candidates. Maximal degree in co-relation 219. Up to 2 conditions per place. [2023-11-19 07:47:50,216 INFO L119 LiptonReduction]: Number of co-enabled transitions 22820 [2023-11-19 07:47:59,330 INFO L134 LiptonReduction]: Checked pairs total: 86090 [2023-11-19 07:47:59,330 INFO L136 LiptonReduction]: Total number of compositions: 360 [2023-11-19 07:47:59,347 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:47:59,354 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;@66a87ec5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:47:59,355 INFO L358 AbstractCegarLoop]: Starting to check reachability of 73 error locations. [2023-11-19 07:47:59,356 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 07:47:59,357 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-19 07:47:59,357 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:47:59,357 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:47:59,358 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-19 07:47:59,359 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-19 07:47:59,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:59,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1395, now seen corresponding path program 1 times [2023-11-19 07:47:59,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:59,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698416508] [2023-11-19 07:47:59,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:59,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:59,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:59,504 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 07:47:59,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:59,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698416508] [2023-11-19 07:47:59,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698416508] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:59,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:59,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-19 07:47:59,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838790002] [2023-11-19 07:47:59,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:59,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:47:59,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:59,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:47:59,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:47:59,559 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 352 out of 729 [2023-11-19 07:47:59,566 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 110 transitions, 232 flow. Second operand has 2 states, 2 states have (on average 352.5) internal successors, (705), 2 states have internal predecessors, (705), 0 states have call successors, (0), 0 states 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 07:47:59,566 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:47:59,567 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 352 of 729 [2023-11-19 07:47:59,568 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:48:00,040 INFO L124 PetriNetUnfolderBase]: 702/1789 cut-off events. [2023-11-19 07:48:00,040 INFO L125 PetriNetUnfolderBase]: For 71/71 co-relation queries the response was YES. [2023-11-19 07:48:00,045 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2957 conditions, 1789 events. 702/1789 cut-off events. For 71/71 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 12043 event pairs, 537 based on Foata normal form. 160/1732 useless extension candidates. Maximal degree in co-relation 2663. Up to 1124 conditions per place. [2023-11-19 07:48:00,058 INFO L140 encePairwiseOnDemand]: 702/729 looper letters, 42 selfloop transitions, 0 changer transitions 1/83 dead transitions. [2023-11-19 07:48:00,058 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 83 transitions, 264 flow [2023-11-19 07:48:00,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:48:00,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-19 07:48:00,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 774 transitions. [2023-11-19 07:48:00,079 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5308641975308642 [2023-11-19 07:48:00,080 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 774 transitions. [2023-11-19 07:48:00,081 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 774 transitions. [2023-11-19 07:48:00,085 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:48:00,088 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 774 transitions. [2023-11-19 07:48:00,094 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 387.0) internal successors, (774), 2 states have internal predecessors, (774), 0 states have call successors, (0), 0 states 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 07:48:00,104 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 729.0) internal successors, (2187), 3 states have internal predecessors, (2187), 0 states have call successors, (0), 0 states 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 07:48:00,106 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 729.0) internal successors, (2187), 3 states have internal predecessors, (2187), 0 states have call successors, (0), 0 states 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 07:48:00,108 INFO L175 Difference]: Start difference. First operand has 108 places, 110 transitions, 232 flow. Second operand 2 states and 774 transitions. [2023-11-19 07:48:00,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 83 transitions, 264 flow [2023-11-19 07:48:00,117 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 83 transitions, 256 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-19 07:48:00,121 INFO L231 Difference]: Finished difference. Result has 80 places, 82 transitions, 167 flow [2023-11-19 07:48:00,123 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=729, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=167, PETRI_PLACES=80, PETRI_TRANSITIONS=82} [2023-11-19 07:48:00,128 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -28 predicate places. [2023-11-19 07:48:00,128 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 82 transitions, 167 flow [2023-11-19 07:48:00,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 352.5) internal successors, (705), 2 states have internal predecessors, (705), 0 states have call successors, (0), 0 states 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 07:48:00,129 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:48:00,130 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:48:00,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:48:00,130 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-19 07:48:00,131 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:00,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1189881860, now seen corresponding path program 1 times [2023-11-19 07:48:00,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:00,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818463632] [2023-11-19 07:48:00,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:00,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:00,276 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 07:48:00,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:00,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818463632] [2023-11-19 07:48:00,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818463632] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:00,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:00,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:48:00,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477358691] [2023-11-19 07:48:00,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:00,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:48:00,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:00,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:48:00,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:48:00,298 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 342 out of 729 [2023-11-19 07:48:00,300 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 82 transitions, 167 flow. Second operand has 3 states, 3 states have (on average 344.0) internal successors, (1032), 3 states have internal predecessors, (1032), 0 states have call successors, (0), 0 states 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 07:48:00,300 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:48:00,300 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 342 of 729 [2023-11-19 07:48:00,301 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:48:00,639 INFO L124 PetriNetUnfolderBase]: 804/1890 cut-off events. [2023-11-19 07:48:00,639 INFO L125 PetriNetUnfolderBase]: For 21/63 co-relation queries the response was YES. [2023-11-19 07:48:00,644 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3192 conditions, 1890 events. 804/1890 cut-off events. For 21/63 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 11525 event pairs, 627 based on Foata normal form. 0/1683 useless extension candidates. Maximal degree in co-relation 3189. Up to 1286 conditions per place. [2023-11-19 07:48:00,656 INFO L140 encePairwiseOnDemand]: 726/729 looper letters, 43 selfloop transitions, 1 changer transitions 0/80 dead transitions. [2023-11-19 07:48:00,656 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 80 transitions, 251 flow [2023-11-19 07:48:00,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:48:00,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:48:00,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1072 transitions. [2023-11-19 07:48:00,662 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49016918152720623 [2023-11-19 07:48:00,662 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1072 transitions. [2023-11-19 07:48:00,663 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1072 transitions. [2023-11-19 07:48:00,664 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:48:00,664 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1072 transitions. [2023-11-19 07:48:00,668 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 357.3333333333333) internal successors, (1072), 3 states have internal predecessors, (1072), 0 states have call successors, (0), 0 states 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 07:48:00,674 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 729.0) internal successors, (2916), 4 states have internal predecessors, (2916), 0 states have call successors, (0), 0 states 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 07:48:00,677 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 729.0) internal successors, (2916), 4 states have internal predecessors, (2916), 0 states have call successors, (0), 0 states 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 07:48:00,678 INFO L175 Difference]: Start difference. First operand has 80 places, 82 transitions, 167 flow. Second operand 3 states and 1072 transitions. [2023-11-19 07:48:00,680 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 80 transitions, 251 flow [2023-11-19 07:48:00,682 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 80 transitions, 251 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:48:00,684 INFO L231 Difference]: Finished difference. Result has 79 places, 80 transitions, 165 flow [2023-11-19 07:48:00,684 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=729, PETRI_DIFFERENCE_MINUEND_FLOW=163, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=165, PETRI_PLACES=79, PETRI_TRANSITIONS=80} [2023-11-19 07:48:00,686 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -29 predicate places. [2023-11-19 07:48:00,686 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 80 transitions, 165 flow [2023-11-19 07:48:00,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 344.0) internal successors, (1032), 3 states have internal predecessors, (1032), 0 states have call successors, (0), 0 states 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 07:48:00,687 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:48:00,687 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:00,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:48:00,688 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-19 07:48:00,689 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:00,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1014625389, now seen corresponding path program 1 times [2023-11-19 07:48:00,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:00,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477450981] [2023-11-19 07:48:00,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:00,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:00,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:00,812 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 07:48:00,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:00,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477450981] [2023-11-19 07:48:00,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477450981] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:00,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:00,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:48:00,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869609052] [2023-11-19 07:48:00,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:00,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:48:00,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:00,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:48:00,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:48:00,846 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 350 out of 729 [2023-11-19 07:48:00,849 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 80 transitions, 165 flow. Second operand has 3 states, 3 states have (on average 352.0) internal successors, (1056), 3 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states 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 07:48:00,849 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:48:00,849 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 350 of 729 [2023-11-19 07:48:00,849 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:48:01,363 INFO L124 PetriNetUnfolderBase]: 1292/3181 cut-off events. [2023-11-19 07:48:01,363 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2023-11-19 07:48:01,371 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5292 conditions, 3181 events. 1292/3181 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 22864 event pairs, 537 based on Foata normal form. 0/2831 useless extension candidates. Maximal degree in co-relation 5288. Up to 1051 conditions per place. [2023-11-19 07:48:01,392 INFO L140 encePairwiseOnDemand]: 726/729 looper letters, 76 selfloop transitions, 2 changer transitions 0/116 dead transitions. [2023-11-19 07:48:01,393 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 116 transitions, 395 flow [2023-11-19 07:48:01,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:48:01,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:48:01,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1129 transitions. [2023-11-19 07:48:01,398 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5162322816643804 [2023-11-19 07:48:01,398 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1129 transitions. [2023-11-19 07:48:01,398 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1129 transitions. [2023-11-19 07:48:01,399 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:48:01,399 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1129 transitions. [2023-11-19 07:48:01,403 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 376.3333333333333) internal successors, (1129), 3 states have internal predecessors, (1129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:48:01,409 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 729.0) internal successors, (2916), 4 states have internal predecessors, (2916), 0 states have call successors, (0), 0 states 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 07:48:01,412 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 729.0) internal successors, (2916), 4 states have internal predecessors, (2916), 0 states have call successors, (0), 0 states 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 07:48:01,412 INFO L175 Difference]: Start difference. First operand has 79 places, 80 transitions, 165 flow. Second operand 3 states and 1129 transitions. [2023-11-19 07:48:01,413 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 116 transitions, 395 flow [2023-11-19 07:48:01,414 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 116 transitions, 394 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 07:48:01,417 INFO L231 Difference]: Finished difference. Result has 81 places, 81 transitions, 176 flow [2023-11-19 07:48:01,417 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=729, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=176, PETRI_PLACES=81, PETRI_TRANSITIONS=81} [2023-11-19 07:48:01,418 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -27 predicate places. [2023-11-19 07:48:01,418 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 81 transitions, 176 flow [2023-11-19 07:48:01,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 352.0) internal successors, (1056), 3 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states 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 07:48:01,419 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:48:01,420 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:01,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:48:01,420 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-19 07:48:01,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:01,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1014667714, now seen corresponding path program 1 times [2023-11-19 07:48:01,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:01,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392386528] [2023-11-19 07:48:01,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:01,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:01,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:01,511 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 07:48:01,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:01,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392386528] [2023-11-19 07:48:01,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392386528] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:01,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:01,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:48:01,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186281675] [2023-11-19 07:48:01,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:01,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:48:01,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:01,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:48:01,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:48:01,547 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 729 [2023-11-19 07:48:01,549 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 81 transitions, 176 flow. Second operand has 3 states, 3 states have (on average 335.3333333333333) internal successors, (1006), 3 states have internal predecessors, (1006), 0 states have call successors, (0), 0 states 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 07:48:01,549 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:48:01,549 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 729 [2023-11-19 07:48:01,549 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:48:02,030 INFO L124 PetriNetUnfolderBase]: 1349/3164 cut-off events. [2023-11-19 07:48:02,030 INFO L125 PetriNetUnfolderBase]: For 163/163 co-relation queries the response was YES. [2023-11-19 07:48:02,037 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5548 conditions, 3164 events. 1349/3164 cut-off events. For 163/163 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 22118 event pairs, 1108 based on Foata normal form. 0/2853 useless extension candidates. Maximal degree in co-relation 5543. Up to 2183 conditions per place. [2023-11-19 07:48:02,055 INFO L140 encePairwiseOnDemand]: 724/729 looper letters, 43 selfloop transitions, 1 changer transitions 0/77 dead transitions. [2023-11-19 07:48:02,056 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 77 transitions, 256 flow [2023-11-19 07:48:02,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:48:02,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:48:02,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1046 transitions. [2023-11-19 07:48:02,060 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47828074988568814 [2023-11-19 07:48:02,060 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1046 transitions. [2023-11-19 07:48:02,061 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1046 transitions. [2023-11-19 07:48:02,062 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:48:02,062 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1046 transitions. [2023-11-19 07:48:02,065 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 348.6666666666667) internal successors, (1046), 3 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states 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 07:48:02,072 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 729.0) internal successors, (2916), 4 states have internal predecessors, (2916), 0 states have call successors, (0), 0 states 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 07:48:02,074 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 729.0) internal successors, (2916), 4 states have internal predecessors, (2916), 0 states have call successors, (0), 0 states 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 07:48:02,075 INFO L175 Difference]: Start difference. First operand has 81 places, 81 transitions, 176 flow. Second operand 3 states and 1046 transitions. [2023-11-19 07:48:02,075 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 77 transitions, 256 flow [2023-11-19 07:48:02,076 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 77 transitions, 254 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 07:48:02,078 INFO L231 Difference]: Finished difference. Result has 78 places, 77 transitions, 168 flow [2023-11-19 07:48:02,078 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=729, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=168, PETRI_PLACES=78, PETRI_TRANSITIONS=77} [2023-11-19 07:48:02,079 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -30 predicate places. [2023-11-19 07:48:02,079 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 77 transitions, 168 flow [2023-11-19 07:48:02,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 335.3333333333333) internal successors, (1006), 3 states have internal predecessors, (1006), 0 states have call successors, (0), 0 states 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 07:48:02,080 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:48:02,081 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:02,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:48:02,081 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-19 07:48:02,081 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:02,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1449262386, now seen corresponding path program 1 times [2023-11-19 07:48:02,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:02,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914535765] [2023-11-19 07:48:02,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:02,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:02,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:48:02,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:02,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914535765] [2023-11-19 07:48:02,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914535765] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:02,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:02,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:48:02,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153803128] [2023-11-19 07:48:02,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:02,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:48:02,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:02,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:48:02,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:48:02,234 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 348 out of 729 [2023-11-19 07:48:02,236 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 77 transitions, 168 flow. Second operand has 3 states, 3 states have (on average 350.6666666666667) internal successors, (1052), 3 states have internal predecessors, (1052), 0 states have call successors, (0), 0 states 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 07:48:02,237 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:48:02,241 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 348 of 729 [2023-11-19 07:48:02,241 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:48:03,137 INFO L124 PetriNetUnfolderBase]: 2280/5274 cut-off events. [2023-11-19 07:48:03,137 INFO L125 PetriNetUnfolderBase]: For 287/287 co-relation queries the response was YES. [2023-11-19 07:48:03,151 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9206 conditions, 5274 events. 2280/5274 cut-off events. For 287/287 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 38796 event pairs, 1002 based on Foata normal form. 0/4801 useless extension candidates. Maximal degree in co-relation 9201. Up to 1879 conditions per place. [2023-11-19 07:48:03,182 INFO L140 encePairwiseOnDemand]: 721/729 looper letters, 68 selfloop transitions, 7 changer transitions 0/109 dead transitions. [2023-11-19 07:48:03,182 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 109 transitions, 389 flow [2023-11-19 07:48:03,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:48:03,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:48:03,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1118 transitions. [2023-11-19 07:48:03,187 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5112025605852767 [2023-11-19 07:48:03,188 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1118 transitions. [2023-11-19 07:48:03,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1118 transitions. [2023-11-19 07:48:03,189 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:48:03,189 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1118 transitions. [2023-11-19 07:48:03,193 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 372.6666666666667) internal successors, (1118), 3 states have internal predecessors, (1118), 0 states have call successors, (0), 0 states 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 07:48:03,199 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 729.0) internal successors, (2916), 4 states have internal predecessors, (2916), 0 states have call successors, (0), 0 states 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 07:48:03,202 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 729.0) internal successors, (2916), 4 states have internal predecessors, (2916), 0 states have call successors, (0), 0 states 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 07:48:03,202 INFO L175 Difference]: Start difference. First operand has 78 places, 77 transitions, 168 flow. Second operand 3 states and 1118 transitions. [2023-11-19 07:48:03,202 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 109 transitions, 389 flow [2023-11-19 07:48:03,204 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 109 transitions, 388 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 07:48:03,206 INFO L231 Difference]: Finished difference. Result has 81 places, 82 transitions, 217 flow [2023-11-19 07:48:03,206 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=729, PETRI_DIFFERENCE_MINUEND_FLOW=167, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=217, PETRI_PLACES=81, PETRI_TRANSITIONS=82} [2023-11-19 07:48:03,207 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -27 predicate places. [2023-11-19 07:48:03,208 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 82 transitions, 217 flow [2023-11-19 07:48:03,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 350.6666666666667) internal successors, (1052), 3 states have internal predecessors, (1052), 0 states have call successors, (0), 0 states 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 07:48:03,209 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:48:03,209 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:03,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:48:03,210 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-19 07:48:03,210 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:03,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1328551530, now seen corresponding path program 1 times [2023-11-19 07:48:03,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:03,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542279085] [2023-11-19 07:48:03,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:03,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:03,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:03,311 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 07:48:03,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:03,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542279085] [2023-11-19 07:48:03,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542279085] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:03,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:03,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:48:03,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208659177] [2023-11-19 07:48:03,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:03,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:48:03,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:03,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:48:03,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:48:03,351 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 346 out of 729 [2023-11-19 07:48:03,353 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 82 transitions, 217 flow. Second operand has 3 states, 3 states have (on average 348.0) internal successors, (1044), 3 states have internal predecessors, (1044), 0 states have call successors, (0), 0 states 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 07:48:03,353 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:48:03,354 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 346 of 729 [2023-11-19 07:48:03,354 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:48:04,153 INFO L124 PetriNetUnfolderBase]: 2280/5275 cut-off events. [2023-11-19 07:48:04,153 INFO L125 PetriNetUnfolderBase]: For 933/933 co-relation queries the response was YES. [2023-11-19 07:48:04,168 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9895 conditions, 5275 events. 2280/5275 cut-off events. For 933/933 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 38917 event pairs, 1903 based on Foata normal form. 0/4915 useless extension candidates. Maximal degree in co-relation 9889. Up to 3685 conditions per place. [2023-11-19 07:48:04,198 INFO L140 encePairwiseOnDemand]: 726/729 looper letters, 47 selfloop transitions, 2 changer transitions 0/83 dead transitions. [2023-11-19 07:48:04,198 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 83 transitions, 317 flow [2023-11-19 07:48:04,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:48:04,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:48:04,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1082 transitions. [2023-11-19 07:48:04,202 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4947416552354824 [2023-11-19 07:48:04,203 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1082 transitions. [2023-11-19 07:48:04,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1082 transitions. [2023-11-19 07:48:04,205 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:48:04,205 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1082 transitions. [2023-11-19 07:48:04,209 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 360.6666666666667) internal successors, (1082), 3 states have internal predecessors, (1082), 0 states have call successors, (0), 0 states 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 07:48:04,215 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 729.0) internal successors, (2916), 4 states have internal predecessors, (2916), 0 states have call successors, (0), 0 states 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 07:48:04,217 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 729.0) internal successors, (2916), 4 states have internal predecessors, (2916), 0 states have call successors, (0), 0 states 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 07:48:04,218 INFO L175 Difference]: Start difference. First operand has 81 places, 82 transitions, 217 flow. Second operand 3 states and 1082 transitions. [2023-11-19 07:48:04,218 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 83 transitions, 317 flow [2023-11-19 07:48:04,227 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 83 transitions, 303 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-19 07:48:04,228 INFO L231 Difference]: Finished difference. Result has 82 places, 83 transitions, 215 flow [2023-11-19 07:48:04,229 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=729, PETRI_DIFFERENCE_MINUEND_FLOW=203, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=215, PETRI_PLACES=82, PETRI_TRANSITIONS=83} [2023-11-19 07:48:04,232 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -26 predicate places. [2023-11-19 07:48:04,235 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 83 transitions, 215 flow [2023-11-19 07:48:04,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 348.0) internal successors, (1044), 3 states have internal predecessors, (1044), 0 states have call successors, (0), 0 states 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 07:48:04,237 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:48:04,237 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:04,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 07:48:04,237 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-19 07:48:04,238 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:04,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1470423043, now seen corresponding path program 1 times [2023-11-19 07:48:04,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:04,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601526648] [2023-11-19 07:48:04,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:04,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:04,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:48:04,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:04,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601526648] [2023-11-19 07:48:04,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601526648] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:04,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:04,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:48:04,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025568053] [2023-11-19 07:48:04,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:04,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:48:04,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:04,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:48:04,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:48:05,077 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 729 [2023-11-19 07:48:05,082 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 83 transitions, 215 flow. Second operand has 6 states, 6 states have (on average 339.8333333333333) internal successors, (2039), 6 states have internal predecessors, (2039), 0 states have call successors, (0), 0 states 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 07:48:05,085 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:48:05,086 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 729 [2023-11-19 07:48:05,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:48:07,136 INFO L124 PetriNetUnfolderBase]: 7660/13447 cut-off events. [2023-11-19 07:48:07,137 INFO L125 PetriNetUnfolderBase]: For 1451/1451 co-relation queries the response was YES. [2023-11-19 07:48:07,178 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26920 conditions, 13447 events. 7660/13447 cut-off events. For 1451/1451 co-relation queries the response was YES. Maximal size of possible extension queue 306. Compared 96983 event pairs, 592 based on Foata normal form. 0/12219 useless extension candidates. Maximal degree in co-relation 26913. Up to 4222 conditions per place. [2023-11-19 07:48:07,241 INFO L140 encePairwiseOnDemand]: 724/729 looper letters, 205 selfloop transitions, 4 changer transitions 0/238 dead transitions. [2023-11-19 07:48:07,241 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 238 transitions, 1063 flow [2023-11-19 07:48:07,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:48:07,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:48:07,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2207 transitions. [2023-11-19 07:48:07,251 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5045724737082762 [2023-11-19 07:48:07,252 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2207 transitions. [2023-11-19 07:48:07,252 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2207 transitions. [2023-11-19 07:48:07,254 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:48:07,255 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2207 transitions. [2023-11-19 07:48:07,263 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 367.8333333333333) internal successors, (2207), 6 states have internal predecessors, (2207), 0 states have call successors, (0), 0 states 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 07:48:07,273 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 729.0) internal successors, (5103), 7 states have internal predecessors, (5103), 0 states have call successors, (0), 0 states 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 07:48:07,277 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 729.0) internal successors, (5103), 7 states have internal predecessors, (5103), 0 states have call successors, (0), 0 states 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 07:48:07,278 INFO L175 Difference]: Start difference. First operand has 82 places, 83 transitions, 215 flow. Second operand 6 states and 2207 transitions. [2023-11-19 07:48:07,278 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 238 transitions, 1063 flow [2023-11-19 07:48:07,281 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 238 transitions, 1059 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-11-19 07:48:07,285 INFO L231 Difference]: Finished difference. Result has 85 places, 82 transitions, 217 flow [2023-11-19 07:48:07,286 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=729, PETRI_DIFFERENCE_MINUEND_FLOW=209, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=217, PETRI_PLACES=85, PETRI_TRANSITIONS=82} [2023-11-19 07:48:07,288 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -23 predicate places. [2023-11-19 07:48:07,288 INFO L495 AbstractCegarLoop]: Abstraction has has 85 places, 82 transitions, 217 flow [2023-11-19 07:48:07,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 339.8333333333333) internal successors, (2039), 6 states have internal predecessors, (2039), 0 states have call successors, (0), 0 states 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 07:48:07,290 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:48:07,290 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:07,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 07:48:07,290 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-19 07:48:07,292 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:07,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1633692500, now seen corresponding path program 1 times [2023-11-19 07:48:07,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:07,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446863064] [2023-11-19 07:48:07,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:07,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:07,419 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:48:07,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:07,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446863064] [2023-11-19 07:48:07,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446863064] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:07,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:07,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:48:07,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549646167] [2023-11-19 07:48:07,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:07,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:48:07,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:07,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:48:07,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:48:07,441 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 339 out of 729 [2023-11-19 07:48:07,442 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 82 transitions, 217 flow. Second operand has 3 states, 3 states have (on average 342.3333333333333) internal successors, (1027), 3 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states 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 07:48:07,443 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:48:07,443 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 339 of 729 [2023-11-19 07:48:07,443 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:48:08,120 INFO L124 PetriNetUnfolderBase]: 2280/5001 cut-off events. [2023-11-19 07:48:08,120 INFO L125 PetriNetUnfolderBase]: For 1163/1163 co-relation queries the response was YES. [2023-11-19 07:48:08,131 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10020 conditions, 5001 events. 2280/5001 cut-off events. For 1163/1163 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 35325 event pairs, 765 based on Foata normal form. 0/4564 useless extension candidates. Maximal degree in co-relation 10013. Up to 3480 conditions per place. [2023-11-19 07:48:08,157 INFO L140 encePairwiseOnDemand]: 723/729 looper letters, 64 selfloop transitions, 2 changer transitions 0/95 dead transitions. [2023-11-19 07:48:08,157 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 95 transitions, 379 flow [2023-11-19 07:48:08,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:48:08,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:48:08,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1080 transitions. [2023-11-19 07:48:08,162 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49382716049382713 [2023-11-19 07:48:08,163 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1080 transitions. [2023-11-19 07:48:08,163 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1080 transitions. [2023-11-19 07:48:08,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:48:08,164 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1080 transitions. [2023-11-19 07:48:08,168 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 360.0) internal successors, (1080), 3 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states 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 07:48:08,175 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 729.0) internal successors, (2916), 4 states have internal predecessors, (2916), 0 states have call successors, (0), 0 states 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 07:48:08,176 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 729.0) internal successors, (2916), 4 states have internal predecessors, (2916), 0 states have call successors, (0), 0 states 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 07:48:08,176 INFO L175 Difference]: Start difference. First operand has 85 places, 82 transitions, 217 flow. Second operand 3 states and 1080 transitions. [2023-11-19 07:48:08,177 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 95 transitions, 379 flow [2023-11-19 07:48:08,180 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 95 transitions, 370 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-19 07:48:08,182 INFO L231 Difference]: Finished difference. Result has 80 places, 80 transitions, 216 flow [2023-11-19 07:48:08,183 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=729, PETRI_DIFFERENCE_MINUEND_FLOW=202, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=216, PETRI_PLACES=80, PETRI_TRANSITIONS=80} [2023-11-19 07:48:08,183 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -28 predicate places. [2023-11-19 07:48:08,184 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 80 transitions, 216 flow [2023-11-19 07:48:08,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 342.3333333333333) internal successors, (1027), 3 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states 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 07:48:08,185 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:48:08,185 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:08,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-19 07:48:08,185 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-19 07:48:08,186 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:08,186 INFO L85 PathProgramCache]: Analyzing trace with hash 797660496, now seen corresponding path program 1 times [2023-11-19 07:48:08,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:08,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835735198] [2023-11-19 07:48:08,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:08,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:08,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:08,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:48:08,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:08,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835735198] [2023-11-19 07:48:08,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835735198] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:08,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:08,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:48:08,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054619741] [2023-11-19 07:48:08,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:08,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:48:08,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:08,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:48:08,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:48:09,120 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 729 [2023-11-19 07:48:09,123 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 80 transitions, 216 flow. Second operand has 6 states, 6 states have (on average 340.6666666666667) internal successors, (2044), 6 states have internal predecessors, (2044), 0 states have call successors, (0), 0 states 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 07:48:09,123 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:48:09,123 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 729 [2023-11-19 07:48:09,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:48:10,506 INFO L124 PetriNetUnfolderBase]: 3240/6364 cut-off events. [2023-11-19 07:48:10,506 INFO L125 PetriNetUnfolderBase]: For 703/703 co-relation queries the response was YES. [2023-11-19 07:48:10,523 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12811 conditions, 6364 events. 3240/6364 cut-off events. For 703/703 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 42704 event pairs, 1843 based on Foata normal form. 148/6003 useless extension candidates. Maximal degree in co-relation 12804. Up to 3686 conditions per place. [2023-11-19 07:48:10,548 INFO L140 encePairwiseOnDemand]: 723/729 looper letters, 173 selfloop transitions, 6 changer transitions 0/203 dead transitions. [2023-11-19 07:48:10,548 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 203 transitions, 928 flow [2023-11-19 07:48:10,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:48:10,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:48:10,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2179 transitions. [2023-11-19 07:48:10,557 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49817101051668955 [2023-11-19 07:48:10,557 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2179 transitions. [2023-11-19 07:48:10,557 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2179 transitions. [2023-11-19 07:48:10,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:48:10,559 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2179 transitions. [2023-11-19 07:48:10,566 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 363.1666666666667) internal successors, (2179), 6 states have internal predecessors, (2179), 0 states have call successors, (0), 0 states 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 07:48:10,575 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 729.0) internal successors, (5103), 7 states have internal predecessors, (5103), 0 states have call successors, (0), 0 states 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 07:48:10,577 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 729.0) internal successors, (5103), 7 states have internal predecessors, (5103), 0 states have call successors, (0), 0 states 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 07:48:10,577 INFO L175 Difference]: Start difference. First operand has 80 places, 80 transitions, 216 flow. Second operand 6 states and 2179 transitions. [2023-11-19 07:48:10,578 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 203 transitions, 928 flow [2023-11-19 07:48:10,580 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 203 transitions, 928 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:48:10,583 INFO L231 Difference]: Finished difference. Result has 84 places, 79 transitions, 226 flow [2023-11-19 07:48:10,584 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=729, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=226, PETRI_PLACES=84, PETRI_TRANSITIONS=79} [2023-11-19 07:48:10,584 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -24 predicate places. [2023-11-19 07:48:10,585 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 79 transitions, 226 flow [2023-11-19 07:48:10,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 340.6666666666667) internal successors, (2044), 6 states have internal predecessors, (2044), 0 states have call successors, (0), 0 states 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 07:48:10,586 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:48:10,586 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:10,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-19 07:48:10,586 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-19 07:48:10,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:10,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1237546509, now seen corresponding path program 1 times [2023-11-19 07:48:10,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:10,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643542355] [2023-11-19 07:48:10,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:10,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:10,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:10,949 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:48:10,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:10,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643542355] [2023-11-19 07:48:10,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643542355] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:10,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:10,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:48:10,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427194382] [2023-11-19 07:48:10,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:10,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:48:10,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:10,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:48:10,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:48:11,448 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 729 [2023-11-19 07:48:11,450 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 79 transitions, 226 flow. Second operand has 6 states, 6 states have (on average 326.8333333333333) internal successors, (1961), 6 states have internal predecessors, (1961), 0 states have call successors, (0), 0 states 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 07:48:11,450 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:48:11,451 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 729 [2023-11-19 07:48:11,451 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:48:12,250 INFO L124 PetriNetUnfolderBase]: 3306/5785 cut-off events. [2023-11-19 07:48:12,251 INFO L125 PetriNetUnfolderBase]: For 991/991 co-relation queries the response was YES. [2023-11-19 07:48:12,264 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12711 conditions, 5785 events. 3306/5785 cut-off events. For 991/991 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 34380 event pairs, 1537 based on Foata normal form. 228/5524 useless extension candidates. Maximal degree in co-relation 12703. Up to 3116 conditions per place. [2023-11-19 07:48:12,286 INFO L140 encePairwiseOnDemand]: 709/729 looper letters, 94 selfloop transitions, 22 changer transitions 0/132 dead transitions. [2023-11-19 07:48:12,286 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 132 transitions, 616 flow [2023-11-19 07:48:12,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:48:12,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:48:12,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2050 transitions. [2023-11-19 07:48:12,295 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4686785550983082 [2023-11-19 07:48:12,296 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2050 transitions. [2023-11-19 07:48:12,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2050 transitions. [2023-11-19 07:48:12,298 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:48:12,298 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2050 transitions. [2023-11-19 07:48:12,304 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 341.6666666666667) internal successors, (2050), 6 states have internal predecessors, (2050), 0 states have call successors, (0), 0 states 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 07:48:12,313 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 729.0) internal successors, (5103), 7 states have internal predecessors, (5103), 0 states have call successors, (0), 0 states 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 07:48:12,314 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 729.0) internal successors, (5103), 7 states have internal predecessors, (5103), 0 states have call successors, (0), 0 states 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 07:48:12,315 INFO L175 Difference]: Start difference. First operand has 84 places, 79 transitions, 226 flow. Second operand 6 states and 2050 transitions. [2023-11-19 07:48:12,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 132 transitions, 616 flow [2023-11-19 07:48:12,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 132 transitions, 588 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-19 07:48:12,320 INFO L231 Difference]: Finished difference. Result has 81 places, 76 transitions, 252 flow [2023-11-19 07:48:12,321 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=729, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=252, PETRI_PLACES=81, PETRI_TRANSITIONS=76} [2023-11-19 07:48:12,321 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -27 predicate places. [2023-11-19 07:48:12,322 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 76 transitions, 252 flow [2023-11-19 07:48:12,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 326.8333333333333) internal successors, (1961), 6 states have internal predecessors, (1961), 0 states have call successors, (0), 0 states 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 07:48:12,323 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:48:12,323 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:12,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-19 07:48:12,323 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-19 07:48:12,323 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:12,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1347274187, now seen corresponding path program 1 times [2023-11-19 07:48:12,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:12,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297870841] [2023-11-19 07:48:12,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:12,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:12,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:48:12,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:12,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297870841] [2023-11-19 07:48:12,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297870841] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:12,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:12,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:48:12,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079064258] [2023-11-19 07:48:12,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:12,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:48:12,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:12,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:48:12,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:48:13,057 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 729 [2023-11-19 07:48:13,059 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 76 transitions, 252 flow. Second operand has 6 states, 6 states have (on average 340.5) internal successors, (2043), 6 states have internal predecessors, (2043), 0 states have call successors, (0), 0 states 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 07:48:13,060 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:48:13,060 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 729 [2023-11-19 07:48:13,060 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:48:13,926 INFO L124 PetriNetUnfolderBase]: 2608/5241 cut-off events. [2023-11-19 07:48:13,927 INFO L125 PetriNetUnfolderBase]: For 897/897 co-relation queries the response was YES. [2023-11-19 07:48:13,947 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12003 conditions, 5241 events. 2608/5241 cut-off events. For 897/897 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 35082 event pairs, 1773 based on Foata normal form. 0/4782 useless extension candidates. Maximal degree in co-relation 11995. Up to 3532 conditions per place. [2023-11-19 07:48:13,951 INFO L140 encePairwiseOnDemand]: 724/729 looper letters, 0 selfloop transitions, 0 changer transitions 191/191 dead transitions. [2023-11-19 07:48:13,951 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 191 transitions, 1044 flow [2023-11-19 07:48:13,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:48:13,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:48:13,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2167 transitions. [2023-11-19 07:48:13,960 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4954275262917238 [2023-11-19 07:48:13,960 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2167 transitions. [2023-11-19 07:48:13,960 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2167 transitions. [2023-11-19 07:48:13,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:48:13,963 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2167 transitions. [2023-11-19 07:48:13,968 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 361.1666666666667) internal successors, (2167), 6 states have internal predecessors, (2167), 0 states have call successors, (0), 0 states 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 07:48:13,977 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 729.0) internal successors, (5103), 7 states have internal predecessors, (5103), 0 states have call successors, (0), 0 states 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 07:48:13,979 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 729.0) internal successors, (5103), 7 states have internal predecessors, (5103), 0 states have call successors, (0), 0 states 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 07:48:13,980 INFO L175 Difference]: Start difference. First operand has 81 places, 76 transitions, 252 flow. Second operand 6 states and 2167 transitions. [2023-11-19 07:48:13,980 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 191 transitions, 1044 flow [2023-11-19 07:48:13,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 191 transitions, 896 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-19 07:48:13,988 INFO L231 Difference]: Finished difference. Result has 80 places, 0 transitions, 0 flow [2023-11-19 07:48:13,989 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=729, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=80, PETRI_TRANSITIONS=0} [2023-11-19 07:48:13,989 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -28 predicate places. [2023-11-19 07:48:13,989 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 0 transitions, 0 flow [2023-11-19 07:48:13,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 340.5) internal successors, (2043), 6 states have internal predecessors, (2043), 0 states have call successors, (0), 0 states 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 07:48:13,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (72 of 73 remaining) [2023-11-19 07:48:13,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (71 of 73 remaining) [2023-11-19 07:48:13,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (70 of 73 remaining) [2023-11-19 07:48:13,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (69 of 73 remaining) [2023-11-19 07:48:13,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (68 of 73 remaining) [2023-11-19 07:48:13,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (67 of 73 remaining) [2023-11-19 07:48:13,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (66 of 73 remaining) [2023-11-19 07:48:13,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (65 of 73 remaining) [2023-11-19 07:48:13,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (64 of 73 remaining) [2023-11-19 07:48:13,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (63 of 73 remaining) [2023-11-19 07:48:13,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (62 of 73 remaining) [2023-11-19 07:48:13,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (61 of 73 remaining) [2023-11-19 07:48:13,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (60 of 73 remaining) [2023-11-19 07:48:13,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (59 of 73 remaining) [2023-11-19 07:48:13,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (58 of 73 remaining) [2023-11-19 07:48:13,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (57 of 73 remaining) [2023-11-19 07:48:13,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (56 of 73 remaining) [2023-11-19 07:48:13,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (55 of 73 remaining) [2023-11-19 07:48:13,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (54 of 73 remaining) [2023-11-19 07:48:13,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (53 of 73 remaining) [2023-11-19 07:48:13,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (52 of 73 remaining) [2023-11-19 07:48:13,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (51 of 73 remaining) [2023-11-19 07:48:13,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (50 of 73 remaining) [2023-11-19 07:48:13,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (49 of 73 remaining) [2023-11-19 07:48:14,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (48 of 73 remaining) [2023-11-19 07:48:14,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (47 of 73 remaining) [2023-11-19 07:48:14,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (46 of 73 remaining) [2023-11-19 07:48:14,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (45 of 73 remaining) [2023-11-19 07:48:14,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (44 of 73 remaining) [2023-11-19 07:48:14,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (43 of 73 remaining) [2023-11-19 07:48:14,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (42 of 73 remaining) [2023-11-19 07:48:14,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (41 of 73 remaining) [2023-11-19 07:48:14,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (40 of 73 remaining) [2023-11-19 07:48:14,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (39 of 73 remaining) [2023-11-19 07:48:14,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (38 of 73 remaining) [2023-11-19 07:48:14,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (37 of 73 remaining) [2023-11-19 07:48:14,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (36 of 73 remaining) [2023-11-19 07:48:14,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (35 of 73 remaining) [2023-11-19 07:48:14,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (34 of 73 remaining) [2023-11-19 07:48:14,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (33 of 73 remaining) [2023-11-19 07:48:14,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (32 of 73 remaining) [2023-11-19 07:48:14,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 73 remaining) [2023-11-19 07:48:14,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 73 remaining) [2023-11-19 07:48:14,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (29 of 73 remaining) [2023-11-19 07:48:14,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (28 of 73 remaining) [2023-11-19 07:48:14,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (27 of 73 remaining) [2023-11-19 07:48:14,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (26 of 73 remaining) [2023-11-19 07:48:14,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (25 of 73 remaining) [2023-11-19 07:48:14,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (24 of 73 remaining) [2023-11-19 07:48:14,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (23 of 73 remaining) [2023-11-19 07:48:14,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (22 of 73 remaining) [2023-11-19 07:48:14,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 73 remaining) [2023-11-19 07:48:14,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 73 remaining) [2023-11-19 07:48:14,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 73 remaining) [2023-11-19 07:48:14,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (18 of 73 remaining) [2023-11-19 07:48:14,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (17 of 73 remaining) [2023-11-19 07:48:14,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (16 of 73 remaining) [2023-11-19 07:48:14,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (15 of 73 remaining) [2023-11-19 07:48:14,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (14 of 73 remaining) [2023-11-19 07:48:14,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (13 of 73 remaining) [2023-11-19 07:48:14,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (12 of 73 remaining) [2023-11-19 07:48:14,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (11 of 73 remaining) [2023-11-19 07:48:14,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (10 of 73 remaining) [2023-11-19 07:48:14,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (9 of 73 remaining) [2023-11-19 07:48:14,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (8 of 73 remaining) [2023-11-19 07:48:14,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (7 of 73 remaining) [2023-11-19 07:48:14,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (6 of 73 remaining) [2023-11-19 07:48:14,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (5 of 73 remaining) [2023-11-19 07:48:14,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (4 of 73 remaining) [2023-11-19 07:48:14,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (3 of 73 remaining) [2023-11-19 07:48:14,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (2 of 73 remaining) [2023-11-19 07:48:14,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (1 of 73 remaining) [2023-11-19 07:48:14,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (0 of 73 remaining) [2023-11-19 07:48:14,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-19 07:48:14,009 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:14,015 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 07:48:14,015 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:48:14,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:48:14 BasicIcfg [2023-11-19 07:48:14,022 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:48:14,023 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:48:14,023 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:48:14,023 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:48:14,023 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:49" (3/4) ... [2023-11-19 07:48:14,025 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:48:14,028 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-19 07:48:14,029 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-19 07:48:14,036 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-19 07:48:14,037 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 07:48:14,037 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 07:48:14,038 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:48:14,152 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d15a7c-68a5-4c62-866e-6ce91b06c625/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:48:14,153 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d15a7c-68a5-4c62-866e-6ce91b06c625/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:48:14,153 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:48:14,154 INFO L158 Benchmark]: Toolchain (without parser) took 26049.42ms. Allocated memory was 109.1MB in the beginning and 924.8MB in the end (delta: 815.8MB). Free memory was 74.4MB in the beginning and 425.0MB in the end (delta: -350.6MB). Peak memory consumption was 466.5MB. Max. memory is 16.1GB. [2023-11-19 07:48:14,154 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 109.1MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:48:14,155 INFO L158 Benchmark]: CACSL2BoogieTranslator took 401.09ms. Allocated memory is still 109.1MB. Free memory was 74.4MB in the beginning and 61.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:48:14,155 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.74ms. Allocated memory is still 109.1MB. Free memory was 61.8MB in the beginning and 59.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:48:14,156 INFO L158 Benchmark]: Boogie Preprocessor took 53.13ms. Allocated memory is still 109.1MB. Free memory was 59.0MB in the beginning and 56.5MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:48:14,156 INFO L158 Benchmark]: RCFGBuilder took 947.79ms. Allocated memory was 109.1MB in the beginning and 153.1MB in the end (delta: 44.0MB). Free memory was 56.5MB in the beginning and 115.5MB in the end (delta: -59.0MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2023-11-19 07:48:14,157 INFO L158 Benchmark]: TraceAbstraction took 24443.90ms. Allocated memory was 153.1MB in the beginning and 924.8MB in the end (delta: 771.8MB). Free memory was 115.0MB in the beginning and 431.3MB in the end (delta: -316.3MB). Peak memory consumption was 455.4MB. Max. memory is 16.1GB. [2023-11-19 07:48:14,157 INFO L158 Benchmark]: Witness Printer took 130.77ms. Allocated memory is still 924.8MB. Free memory was 431.3MB in the beginning and 425.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 07:48:14,160 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 109.1MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 401.09ms. Allocated memory is still 109.1MB. Free memory was 74.4MB in the beginning and 61.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.74ms. Allocated memory is still 109.1MB. Free memory was 61.8MB in the beginning and 59.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.13ms. Allocated memory is still 109.1MB. Free memory was 59.0MB in the beginning and 56.5MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 947.79ms. Allocated memory was 109.1MB in the beginning and 153.1MB in the end (delta: 44.0MB). Free memory was 56.5MB in the beginning and 115.5MB in the end (delta: -59.0MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. * TraceAbstraction took 24443.90ms. Allocated memory was 153.1MB in the beginning and 924.8MB in the end (delta: 771.8MB). Free memory was 115.0MB in the beginning and 431.3MB in the end (delta: -316.3MB). Peak memory consumption was 455.4MB. Max. memory is 16.1GB. * Witness Printer took 130.77ms. Allocated memory is still 924.8MB. Free memory was 431.3MB in the beginning and 425.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.3s, 335 PlacesBefore, 108 PlacesAfterwards, 346 TransitionsBefore, 110 TransitionsAfterwards, 22820 CoEnabledTransitionPairs, 8 FixpointIterations, 127 TrivialSequentialCompositions, 176 ConcurrentSequentialCompositions, 16 TrivialYvCompositions, 32 ConcurrentYvCompositions, 9 ChoiceCompositions, 360 TotalNumberOfCompositions, 86090 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 25578, independent: 24421, independent conditional: 0, independent unconditional: 24421, dependent: 1157, dependent conditional: 0, dependent unconditional: 1157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 12880, independent: 12704, independent conditional: 0, independent unconditional: 12704, dependent: 176, dependent conditional: 0, dependent unconditional: 176, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 25578, independent: 11717, independent conditional: 0, independent unconditional: 11717, dependent: 981, dependent conditional: 0, dependent unconditional: 981, unknown: 12880, unknown conditional: 0, unknown unconditional: 12880] , Statistics on independence cache: Total cache size (in pairs): 968, Positive cache size: 881, Positive conditional cache size: 0, Positive unconditional cache size: 881, Negative cache size: 87, Negative conditional cache size: 0, Negative unconditional cache size: 87, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: 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: 90]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 543 locations, 73 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: 24.2s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1366 SdHoareTripleChecker+Valid, 3.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 873 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 455 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3033 IncrementalHoareTripleChecker+Invalid, 3488 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 455 mSolverCounterUnsat, 32 mSDtfsCounter, 3033 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=252occurred in iteration=10, InterpolantAutomatonStates: 44, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 120 NumberOfCodeBlocks, 120 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 537 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 5/5 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 41 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-19 07:48:14,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d15a7c-68a5-4c62-866e-6ce91b06c625/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