./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/unroll-cond-5.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_0264bdd8-6db3-4f5a-8fdc-abf938dbd17d/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0264bdd8-6db3-4f5a-8fdc-abf938dbd17d/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_0264bdd8-6db3-4f5a-8fdc-abf938dbd17d/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0264bdd8-6db3-4f5a-8fdc-abf938dbd17d/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/unroll-cond-5.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0264bdd8-6db3-4f5a-8fdc-abf938dbd17d/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_0264bdd8-6db3-4f5a-8fdc-abf938dbd17d/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 052a68c73a5d1c6e7122fc0c660c02483f37277d0239d876d93b351fcdd64a16 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:42:22,155 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:42:22,233 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0264bdd8-6db3-4f5a-8fdc-abf938dbd17d/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-19 07:42:22,246 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:42:22,247 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:42:22,285 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:42:22,286 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:42:22,287 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:42:22,288 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:42:22,293 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:42:22,295 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:42:22,296 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:42:22,297 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:42:22,299 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:42:22,299 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:42:22,300 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:42:22,300 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:42:22,301 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:42:22,301 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:42:22,302 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:42:22,302 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:42:22,303 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:42:22,303 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 07:42:22,305 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:42:22,306 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:42:22,306 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:42:22,307 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:42:22,307 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:42:22,307 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:42:22,308 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:42:22,308 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:42:22,309 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:42:22,309 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:42:22,309 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:42:22,309 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:42:22,310 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:42:22,310 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:42:22,310 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:42:22,310 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:42:22,310 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:42:22,311 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:42:22,312 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_0264bdd8-6db3-4f5a-8fdc-abf938dbd17d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0264bdd8-6db3-4f5a-8fdc-abf938dbd17d/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 052a68c73a5d1c6e7122fc0c660c02483f37277d0239d876d93b351fcdd64a16 [2023-11-19 07:42:22,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:42:22,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:42:22,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:42:22,636 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:42:22,637 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:42:22,638 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0264bdd8-6db3-4f5a-8fdc-abf938dbd17d/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/weaver/unroll-cond-5.wvr.c [2023-11-19 07:42:25,853 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:42:26,196 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:42:26,196 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0264bdd8-6db3-4f5a-8fdc-abf938dbd17d/sv-benchmarks/c/weaver/unroll-cond-5.wvr.c [2023-11-19 07:42:26,204 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0264bdd8-6db3-4f5a-8fdc-abf938dbd17d/bin/uautomizer-verify-uCwYo4JHxu/data/3e4df0972/2c506bae5d524b4abafb85cfca57e1a9/FLAGb3e34f827 [2023-11-19 07:42:26,219 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0264bdd8-6db3-4f5a-8fdc-abf938dbd17d/bin/uautomizer-verify-uCwYo4JHxu/data/3e4df0972/2c506bae5d524b4abafb85cfca57e1a9 [2023-11-19 07:42:26,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:42:26,223 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:42:26,224 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:42:26,225 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:42:26,230 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:42:26,231 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:42:26" (1/1) ... [2023-11-19 07:42:26,233 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e574ec6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:26, skipping insertion in model container [2023-11-19 07:42:26,236 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:42:26" (1/1) ... [2023-11-19 07:42:26,265 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:42:26,502 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:42:26,527 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:42:26,579 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:42:26,596 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:42:26,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:26 WrapperNode [2023-11-19 07:42:26,597 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:42:26,598 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:42:26,598 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:42:26,598 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:42:26,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:26" (1/1) ... [2023-11-19 07:42:26,623 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:26" (1/1) ... [2023-11-19 07:42:26,681 INFO L138 Inliner]: procedures = 24, calls = 46, calls flagged for inlining = 18, calls inlined = 18, statements flattened = 490 [2023-11-19 07:42:26,681 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:42:26,682 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:42:26,682 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:42:26,683 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:42:26,693 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:26" (1/1) ... [2023-11-19 07:42:26,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:26" (1/1) ... [2023-11-19 07:42:26,703 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:26" (1/1) ... [2023-11-19 07:42:26,704 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:26" (1/1) ... [2023-11-19 07:42:26,731 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:26" (1/1) ... [2023-11-19 07:42:26,742 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:26" (1/1) ... [2023-11-19 07:42:26,746 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:26" (1/1) ... [2023-11-19 07:42:26,749 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:26" (1/1) ... [2023-11-19 07:42:26,755 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:42:26,757 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:42:26,757 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:42:26,757 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:42:26,758 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:26" (1/1) ... [2023-11-19 07:42:26,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:42:26,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0264bdd8-6db3-4f5a-8fdc-abf938dbd17d/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:42:26,830 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0264bdd8-6db3-4f5a-8fdc-abf938dbd17d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:42:26,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0264bdd8-6db3-4f5a-8fdc-abf938dbd17d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:42:26,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:42:26,873 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 07:42:26,873 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 07:42:26,874 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 07:42:26,874 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 07:42:26,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:42:26,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:42:26,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:42:26,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:42:26,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:42:26,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:42:26,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:42:26,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:42:26,878 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 07:42:27,062 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:42:27,063 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:42:28,023 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:42:28,039 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:42:28,039 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 07:42:28,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:42:28 BoogieIcfgContainer [2023-11-19 07:42:28,047 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:42:28,050 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:42:28,050 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:42:28,053 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:42:28,054 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:42:26" (1/3) ... [2023-11-19 07:42:28,055 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@760e92a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:42:28, skipping insertion in model container [2023-11-19 07:42:28,055 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:26" (2/3) ... [2023-11-19 07:42:28,055 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@760e92a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:42:28, skipping insertion in model container [2023-11-19 07:42:28,055 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:42:28" (3/3) ... [2023-11-19 07:42:28,057 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-5.wvr.c [2023-11-19 07:42:28,066 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 07:42:28,078 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:42:28,078 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 86 error locations. [2023-11-19 07:42:28,078 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 07:42:28,263 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-19 07:42:28,324 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 621 places, 648 transitions, 1310 flow [2023-11-19 07:42:28,706 INFO L124 PetriNetUnfolderBase]: 34/646 cut-off events. [2023-11-19 07:42:28,706 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 07:42:28,726 INFO L83 FinitePrefix]: Finished finitePrefix Result has 655 conditions, 646 events. 34/646 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1911 event pairs, 0 based on Foata normal form. 0/526 useless extension candidates. Maximal degree in co-relation 509. Up to 2 conditions per place. [2023-11-19 07:42:28,726 INFO L82 GeneralOperation]: Start removeDead. Operand has 621 places, 648 transitions, 1310 flow [2023-11-19 07:42:28,747 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 599 places, 625 transitions, 1262 flow [2023-11-19 07:42:28,751 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:42:28,770 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 599 places, 625 transitions, 1262 flow [2023-11-19 07:42:28,778 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 599 places, 625 transitions, 1262 flow [2023-11-19 07:42:28,778 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 599 places, 625 transitions, 1262 flow [2023-11-19 07:42:28,925 INFO L124 PetriNetUnfolderBase]: 33/625 cut-off events. [2023-11-19 07:42:28,925 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 07:42:28,935 INFO L83 FinitePrefix]: Finished finitePrefix Result has 634 conditions, 625 events. 33/625 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1848 event pairs, 0 based on Foata normal form. 0/507 useless extension candidates. Maximal degree in co-relation 509. Up to 2 conditions per place. [2023-11-19 07:42:29,029 INFO L119 LiptonReduction]: Number of co-enabled transitions 65160 [2023-11-19 07:42:43,012 INFO L134 LiptonReduction]: Checked pairs total: 247268 [2023-11-19 07:42:43,012 INFO L136 LiptonReduction]: Total number of compositions: 642 [2023-11-19 07:42:43,053 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:42:43,061 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;@5d034183, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:42:43,062 INFO L358 AbstractCegarLoop]: Starting to check reachability of 164 error locations. [2023-11-19 07:42:43,063 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 07:42:43,064 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-19 07:42:43,064 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:42:43,064 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:42:43,065 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-19 07:42:43,066 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-19 07:42:43,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:43,072 INFO L85 PathProgramCache]: Analyzing trace with hash 2567, now seen corresponding path program 1 times [2023-11-19 07:42:43,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:43,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986651236] [2023-11-19 07:42:43,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:43,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:43,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:43,191 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 07:42:43,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:43,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986651236] [2023-11-19 07:42:43,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986651236] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:43,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:43,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-19 07:42:43,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384461036] [2023-11-19 07:42:43,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:43,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:42:43,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:43,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:42:43,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:42:43,244 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 626 out of 1290 [2023-11-19 07:42:43,250 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 230 transitions, 472 flow. Second operand has 2 states, 2 states have (on average 626.5) internal successors, (1253), 2 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:42:43,250 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:42:43,250 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 626 of 1290 [2023-11-19 07:42:43,251 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:42:44,098 INFO L124 PetriNetUnfolderBase]: 1970/4769 cut-off events. [2023-11-19 07:42:44,098 INFO L125 PetriNetUnfolderBase]: For 194/194 co-relation queries the response was YES. [2023-11-19 07:42:44,112 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8067 conditions, 4769 events. 1970/4769 cut-off events. For 194/194 co-relation queries the response was YES. Maximal size of possible extension queue 190. Compared 36100 event pairs, 1644 based on Foata normal form. 460/4852 useless extension candidates. Maximal degree in co-relation 7206. Up to 3213 conditions per place. [2023-11-19 07:42:44,149 INFO L140 encePairwiseOnDemand]: 1235/1290 looper letters, 88 selfloop transitions, 0 changer transitions 1/175 dead transitions. [2023-11-19 07:42:44,150 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 175 transitions, 540 flow [2023-11-19 07:42:44,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:42:44,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-19 07:42:44,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1396 transitions. [2023-11-19 07:42:44,174 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5410852713178295 [2023-11-19 07:42:44,176 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1396 transitions. [2023-11-19 07:42:44,176 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1396 transitions. [2023-11-19 07:42:44,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:42:44,184 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1396 transitions. [2023-11-19 07:42:44,193 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 698.0) internal successors, (1396), 2 states have internal predecessors, (1396), 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 07:42:44,208 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1290.0) internal successors, (3870), 3 states have internal predecessors, (3870), 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 07:42:44,213 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1290.0) internal successors, (3870), 3 states have internal predecessors, (3870), 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 07:42:44,215 INFO L175 Difference]: Start difference. First operand has 218 places, 230 transitions, 472 flow. Second operand 2 states and 1396 transitions. [2023-11-19 07:42:44,217 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 175 transitions, 540 flow [2023-11-19 07:42:44,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 175 transitions, 532 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-19 07:42:44,228 INFO L231 Difference]: Finished difference. Result has 167 places, 174 transitions, 351 flow [2023-11-19 07:42:44,231 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1290, PETRI_DIFFERENCE_MINUEND_FLOW=354, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=351, PETRI_PLACES=167, PETRI_TRANSITIONS=174} [2023-11-19 07:42:44,235 INFO L281 CegarLoopForPetriNet]: 218 programPoint places, -51 predicate places. [2023-11-19 07:42:44,236 INFO L495 AbstractCegarLoop]: Abstraction has has 167 places, 174 transitions, 351 flow [2023-11-19 07:42:44,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 626.5) internal successors, (1253), 2 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:42:44,238 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:42:44,238 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:42:44,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:42:44,239 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-19 07:42:44,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:44,239 INFO L85 PathProgramCache]: Analyzing trace with hash -418436850, now seen corresponding path program 1 times [2023-11-19 07:42:44,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:44,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142859991] [2023-11-19 07:42:44,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:44,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:44,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:44,360 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 07:42:44,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:44,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142859991] [2023-11-19 07:42:44,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142859991] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:44,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:44,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:42:44,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710469742] [2023-11-19 07:42:44,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:44,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:44,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:44,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:44,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:44,399 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 607 out of 1290 [2023-11-19 07:42:44,403 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 174 transitions, 351 flow. Second operand has 3 states, 3 states have (on average 609.0) internal successors, (1827), 3 states have internal predecessors, (1827), 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 07:42:44,403 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:42:44,403 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 607 of 1290 [2023-11-19 07:42:44,404 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:42:45,206 INFO L124 PetriNetUnfolderBase]: 2343/5393 cut-off events. [2023-11-19 07:42:45,206 INFO L125 PetriNetUnfolderBase]: For 66/105 co-relation queries the response was YES. [2023-11-19 07:42:45,218 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9233 conditions, 5393 events. 2343/5393 cut-off events. For 66/105 co-relation queries the response was YES. Maximal size of possible extension queue 197. Compared 39167 event pairs, 1031 based on Foata normal form. 1/4966 useless extension candidates. Maximal degree in co-relation 9230. Up to 3803 conditions per place. [2023-11-19 07:42:45,250 INFO L140 encePairwiseOnDemand]: 1282/1290 looper letters, 99 selfloop transitions, 2 changer transitions 0/175 dead transitions. [2023-11-19 07:42:45,251 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 175 transitions, 556 flow [2023-11-19 07:42:45,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:45,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:42:45,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1928 transitions. [2023-11-19 07:42:45,259 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49819121447028425 [2023-11-19 07:42:45,259 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1928 transitions. [2023-11-19 07:42:45,260 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1928 transitions. [2023-11-19 07:42:45,261 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:42:45,262 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1928 transitions. [2023-11-19 07:42:45,268 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 642.6666666666666) internal successors, (1928), 3 states have internal predecessors, (1928), 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 07:42:45,279 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1290.0) internal successors, (5160), 4 states have internal predecessors, (5160), 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 07:42:45,284 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1290.0) internal successors, (5160), 4 states have internal predecessors, (5160), 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 07:42:45,284 INFO L175 Difference]: Start difference. First operand has 167 places, 174 transitions, 351 flow. Second operand 3 states and 1928 transitions. [2023-11-19 07:42:45,284 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 175 transitions, 556 flow [2023-11-19 07:42:45,286 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 175 transitions, 556 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:42:45,291 INFO L231 Difference]: Finished difference. Result has 163 places, 170 transitions, 353 flow [2023-11-19 07:42:45,291 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1290, PETRI_DIFFERENCE_MINUEND_FLOW=339, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=353, PETRI_PLACES=163, PETRI_TRANSITIONS=170} [2023-11-19 07:42:45,292 INFO L281 CegarLoopForPetriNet]: 218 programPoint places, -55 predicate places. [2023-11-19 07:42:45,293 INFO L495 AbstractCegarLoop]: Abstraction has has 163 places, 170 transitions, 353 flow [2023-11-19 07:42:45,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 609.0) internal successors, (1827), 3 states have internal predecessors, (1827), 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 07:42:45,295 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:42:45,295 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:45,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:42:45,295 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-19 07:42:45,296 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:45,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1610118956, now seen corresponding path program 1 times [2023-11-19 07:42:45,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:45,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456714330] [2023-11-19 07:42:45,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:45,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:45,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:45,404 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 07:42:45,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:45,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456714330] [2023-11-19 07:42:45,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456714330] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:45,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:45,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:42:45,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462469862] [2023-11-19 07:42:45,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:45,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:45,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:45,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:45,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:45,469 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 589 out of 1290 [2023-11-19 07:42:45,472 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 170 transitions, 353 flow. Second operand has 3 states, 3 states have (on average 591.3333333333334) internal successors, (1774), 3 states have internal predecessors, (1774), 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 07:42:45,473 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:42:45,473 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 589 of 1290 [2023-11-19 07:42:45,473 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:42:46,262 INFO L124 PetriNetUnfolderBase]: 2072/4865 cut-off events. [2023-11-19 07:42:46,263 INFO L125 PetriNetUnfolderBase]: For 61/61 co-relation queries the response was YES. [2023-11-19 07:42:46,278 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8342 conditions, 4865 events. 2072/4865 cut-off events. For 61/61 co-relation queries the response was YES. Maximal size of possible extension queue 180. Compared 35282 event pairs, 1710 based on Foata normal form. 0/4491 useless extension candidates. Maximal degree in co-relation 8338. Up to 3429 conditions per place. [2023-11-19 07:42:46,310 INFO L140 encePairwiseOnDemand]: 1279/1290 looper letters, 87 selfloop transitions, 1 changer transitions 0/160 dead transitions. [2023-11-19 07:42:46,311 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 160 transitions, 509 flow [2023-11-19 07:42:46,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:46,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:42:46,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1865 transitions. [2023-11-19 07:42:46,320 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4819121447028424 [2023-11-19 07:42:46,320 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1865 transitions. [2023-11-19 07:42:46,320 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1865 transitions. [2023-11-19 07:42:46,322 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:42:46,322 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1865 transitions. [2023-11-19 07:42:46,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 621.6666666666666) internal successors, (1865), 3 states have internal predecessors, (1865), 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 07:42:46,341 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1290.0) internal successors, (5160), 4 states have internal predecessors, (5160), 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 07:42:46,346 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1290.0) internal successors, (5160), 4 states have internal predecessors, (5160), 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 07:42:46,346 INFO L175 Difference]: Start difference. First operand has 163 places, 170 transitions, 353 flow. Second operand 3 states and 1865 transitions. [2023-11-19 07:42:46,347 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 160 transitions, 509 flow [2023-11-19 07:42:46,349 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 160 transitions, 509 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:42:46,353 INFO L231 Difference]: Finished difference. Result has 155 places, 160 transitions, 335 flow [2023-11-19 07:42:46,353 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1290, PETRI_DIFFERENCE_MINUEND_FLOW=333, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=335, PETRI_PLACES=155, PETRI_TRANSITIONS=160} [2023-11-19 07:42:46,355 INFO L281 CegarLoopForPetriNet]: 218 programPoint places, -63 predicate places. [2023-11-19 07:42:46,355 INFO L495 AbstractCegarLoop]: Abstraction has has 155 places, 160 transitions, 335 flow [2023-11-19 07:42:46,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 591.3333333333334) internal successors, (1774), 3 states have internal predecessors, (1774), 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 07:42:46,357 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:42:46,357 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:46,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:42:46,358 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-19 07:42:46,358 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:46,359 INFO L85 PathProgramCache]: Analyzing trace with hash -565922093, now seen corresponding path program 1 times [2023-11-19 07:42:46,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:46,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720513666] [2023-11-19 07:42:46,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:46,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:46,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:46,555 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 07:42:46,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:46,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720513666] [2023-11-19 07:42:46,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720513666] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:46,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:46,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:42:46,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910296804] [2023-11-19 07:42:46,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:46,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:46,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:46,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:46,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:46,593 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 620 out of 1290 [2023-11-19 07:42:46,596 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 160 transitions, 335 flow. Second operand has 3 states, 3 states have (on average 622.0) internal successors, (1866), 3 states have internal predecessors, (1866), 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 07:42:46,596 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:42:46,597 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 620 of 1290 [2023-11-19 07:42:46,597 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:42:47,305 INFO L124 PetriNetUnfolderBase]: 2072/4866 cut-off events. [2023-11-19 07:42:47,305 INFO L125 PetriNetUnfolderBase]: For 61/61 co-relation queries the response was YES. [2023-11-19 07:42:47,319 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8346 conditions, 4866 events. 2072/4866 cut-off events. For 61/61 co-relation queries the response was YES. Maximal size of possible extension queue 180. Compared 35247 event pairs, 1710 based on Foata normal form. 0/4492 useless extension candidates. Maximal degree in co-relation 8341. Up to 3430 conditions per place. [2023-11-19 07:42:47,347 INFO L140 encePairwiseOnDemand]: 1287/1290 looper letters, 87 selfloop transitions, 2 changer transitions 0/161 dead transitions. [2023-11-19 07:42:47,347 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 161 transitions, 515 flow [2023-11-19 07:42:47,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:47,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:42:47,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1950 transitions. [2023-11-19 07:42:47,355 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5038759689922481 [2023-11-19 07:42:47,355 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1950 transitions. [2023-11-19 07:42:47,355 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1950 transitions. [2023-11-19 07:42:47,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:42:47,357 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1950 transitions. [2023-11-19 07:42:47,363 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 650.0) internal successors, (1950), 3 states have internal predecessors, (1950), 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 07:42:47,374 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1290.0) internal successors, (5160), 4 states have internal predecessors, (5160), 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 07:42:47,378 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1290.0) internal successors, (5160), 4 states have internal predecessors, (5160), 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 07:42:47,378 INFO L175 Difference]: Start difference. First operand has 155 places, 160 transitions, 335 flow. Second operand 3 states and 1950 transitions. [2023-11-19 07:42:47,379 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 161 transitions, 515 flow [2023-11-19 07:42:47,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 161 transitions, 514 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 07:42:47,384 INFO L231 Difference]: Finished difference. Result has 157 places, 161 transitions, 346 flow [2023-11-19 07:42:47,385 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1290, PETRI_DIFFERENCE_MINUEND_FLOW=334, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=346, PETRI_PLACES=157, PETRI_TRANSITIONS=161} [2023-11-19 07:42:47,386 INFO L281 CegarLoopForPetriNet]: 218 programPoint places, -61 predicate places. [2023-11-19 07:42:47,387 INFO L495 AbstractCegarLoop]: Abstraction has has 157 places, 161 transitions, 346 flow [2023-11-19 07:42:47,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 622.0) internal successors, (1866), 3 states have internal predecessors, (1866), 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 07:42:47,389 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:42:47,389 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:47,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:42:47,389 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-19 07:42:47,390 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:47,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1315475299, now seen corresponding path program 1 times [2023-11-19 07:42:47,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:47,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094634342] [2023-11-19 07:42:47,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:47,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:47,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:47,959 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 07:42:47,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:47,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094634342] [2023-11-19 07:42:47,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094634342] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:47,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:47,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:42:47,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809833050] [2023-11-19 07:42:47,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:47,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:42:47,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:47,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:42:47,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:42:48,704 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 612 out of 1290 [2023-11-19 07:42:48,711 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 161 transitions, 346 flow. Second operand has 6 states, 6 states have (on average 613.8333333333334) internal successors, (3683), 6 states have internal predecessors, (3683), 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 07:42:48,711 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:42:48,711 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 612 of 1290 [2023-11-19 07:42:48,711 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:42:51,435 INFO L124 PetriNetUnfolderBase]: 7172/13310 cut-off events. [2023-11-19 07:42:51,436 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-19 07:42:51,473 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24362 conditions, 13310 events. 7172/13310 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 386. Compared 96755 event pairs, 511 based on Foata normal form. 0/12271 useless extension candidates. Maximal degree in co-relation 24356. Up to 4084 conditions per place. [2023-11-19 07:42:51,526 INFO L140 encePairwiseOnDemand]: 1285/1290 looper letters, 405 selfloop transitions, 4 changer transitions 0/476 dead transitions. [2023-11-19 07:42:51,527 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 476 transitions, 1794 flow [2023-11-19 07:42:51,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:42:51,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:42:51,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4081 transitions. [2023-11-19 07:42:51,541 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5272609819121447 [2023-11-19 07:42:51,542 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4081 transitions. [2023-11-19 07:42:51,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4081 transitions. [2023-11-19 07:42:51,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:42:51,545 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4081 transitions. [2023-11-19 07:42:51,557 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 680.1666666666666) internal successors, (4081), 6 states have internal predecessors, (4081), 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 07:42:51,574 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1290.0) internal successors, (9030), 7 states have internal predecessors, (9030), 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 07:42:51,578 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1290.0) internal successors, (9030), 7 states have internal predecessors, (9030), 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 07:42:51,579 INFO L175 Difference]: Start difference. First operand has 157 places, 161 transitions, 346 flow. Second operand 6 states and 4081 transitions. [2023-11-19 07:42:51,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 476 transitions, 1794 flow [2023-11-19 07:42:51,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 476 transitions, 1790 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-11-19 07:42:51,591 INFO L231 Difference]: Finished difference. Result has 160 places, 160 transitions, 348 flow [2023-11-19 07:42:51,592 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1290, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=348, PETRI_PLACES=160, PETRI_TRANSITIONS=160} [2023-11-19 07:42:51,593 INFO L281 CegarLoopForPetriNet]: 218 programPoint places, -58 predicate places. [2023-11-19 07:42:51,593 INFO L495 AbstractCegarLoop]: Abstraction has has 160 places, 160 transitions, 348 flow [2023-11-19 07:42:51,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 613.8333333333334) internal successors, (3683), 6 states have internal predecessors, (3683), 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 07:42:51,595 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:42:51,595 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:51,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:42:51,596 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-19 07:42:51,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:51,596 INFO L85 PathProgramCache]: Analyzing trace with hash 387652465, now seen corresponding path program 1 times [2023-11-19 07:42:51,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:51,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937340971] [2023-11-19 07:42:51,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:51,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:51,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:51,629 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 07:42:51,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:51,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937340971] [2023-11-19 07:42:51,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937340971] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:51,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:51,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:42:51,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656189093] [2023-11-19 07:42:51,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:51,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:51,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:51,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:51,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:51,664 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 595 out of 1290 [2023-11-19 07:42:51,666 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 160 transitions, 348 flow. Second operand has 3 states, 3 states have (on average 598.3333333333334) internal successors, (1795), 3 states have internal predecessors, (1795), 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 07:42:51,667 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:42:51,667 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 595 of 1290 [2023-11-19 07:42:51,667 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:42:52,415 INFO L124 PetriNetUnfolderBase]: 2718/5792 cut-off events. [2023-11-19 07:42:52,415 INFO L125 PetriNetUnfolderBase]: For 855/855 co-relation queries the response was YES. [2023-11-19 07:42:52,433 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11123 conditions, 5792 events. 2718/5792 cut-off events. For 855/855 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 41085 event pairs, 583 based on Foata normal form. 0/5298 useless extension candidates. Maximal degree in co-relation 11117. Up to 3640 conditions per place. [2023-11-19 07:42:52,457 INFO L140 encePairwiseOnDemand]: 1274/1290 looper letters, 125 selfloop transitions, 6 changer transitions 0/190 dead transitions. [2023-11-19 07:42:52,457 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 190 transitions, 674 flow [2023-11-19 07:42:52,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:52,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:42:52,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1925 transitions. [2023-11-19 07:42:52,464 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4974160206718346 [2023-11-19 07:42:52,465 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1925 transitions. [2023-11-19 07:42:52,465 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1925 transitions. [2023-11-19 07:42:52,466 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:42:52,467 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1925 transitions. [2023-11-19 07:42:52,472 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 641.6666666666666) internal successors, (1925), 3 states have internal predecessors, (1925), 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 07:42:52,481 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1290.0) internal successors, (5160), 4 states have internal predecessors, (5160), 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 07:42:52,482 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1290.0) internal successors, (5160), 4 states have internal predecessors, (5160), 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 07:42:52,482 INFO L175 Difference]: Start difference. First operand has 160 places, 160 transitions, 348 flow. Second operand 3 states and 1925 transitions. [2023-11-19 07:42:52,483 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 190 transitions, 674 flow [2023-11-19 07:42:52,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 190 transitions, 665 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-19 07:42:52,490 INFO L231 Difference]: Finished difference. Result has 149 places, 156 transitions, 363 flow [2023-11-19 07:42:52,491 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1290, PETRI_DIFFERENCE_MINUEND_FLOW=321, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=363, PETRI_PLACES=149, PETRI_TRANSITIONS=156} [2023-11-19 07:42:52,491 INFO L281 CegarLoopForPetriNet]: 218 programPoint places, -69 predicate places. [2023-11-19 07:42:52,492 INFO L495 AbstractCegarLoop]: Abstraction has has 149 places, 156 transitions, 363 flow [2023-11-19 07:42:52,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 598.3333333333334) internal successors, (1795), 3 states have internal predecessors, (1795), 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 07:42:52,493 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:42:52,493 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 07:42:52,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 07:42:52,493 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-19 07:42:52,494 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:52,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1066538832, now seen corresponding path program 1 times [2023-11-19 07:42:52,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:52,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460775781] [2023-11-19 07:42:52,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:52,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:52,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:52,806 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 07:42:52,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:52,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460775781] [2023-11-19 07:42:52,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460775781] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:52,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:52,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:42:52,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021669941] [2023-11-19 07:42:52,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:52,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:42:52,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:52,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:42:52,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:42:53,632 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 612 out of 1290 [2023-11-19 07:42:53,636 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 156 transitions, 363 flow. Second operand has 6 states, 6 states have (on average 614.6666666666666) internal successors, (3688), 6 states have internal predecessors, (3688), 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 07:42:53,637 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:42:53,637 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 612 of 1290 [2023-11-19 07:42:53,637 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:42:55,484 INFO L124 PetriNetUnfolderBase]: 3500/6887 cut-off events. [2023-11-19 07:42:55,485 INFO L125 PetriNetUnfolderBase]: For 265/265 co-relation queries the response was YES. [2023-11-19 07:42:55,505 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13168 conditions, 6887 events. 3500/6887 cut-off events. For 265/265 co-relation queries the response was YES. Maximal size of possible extension queue 235. Compared 47323 event pairs, 2073 based on Foata normal form. 0/6339 useless extension candidates. Maximal degree in co-relation 13162. Up to 4356 conditions per place. [2023-11-19 07:42:55,537 INFO L140 encePairwiseOnDemand]: 1284/1290 looper letters, 385 selfloop transitions, 5 changer transitions 0/447 dead transitions. [2023-11-19 07:42:55,537 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 447 transitions, 1761 flow [2023-11-19 07:42:55,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:42:55,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:42:55,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4057 transitions. [2023-11-19 07:42:55,554 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5241602067183463 [2023-11-19 07:42:55,555 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4057 transitions. [2023-11-19 07:42:55,555 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4057 transitions. [2023-11-19 07:42:55,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:42:55,559 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4057 transitions. [2023-11-19 07:42:55,571 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 676.1666666666666) internal successors, (4057), 6 states have internal predecessors, (4057), 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 07:42:55,588 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1290.0) internal successors, (9030), 7 states have internal predecessors, (9030), 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 07:42:55,591 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1290.0) internal successors, (9030), 7 states have internal predecessors, (9030), 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 07:42:55,591 INFO L175 Difference]: Start difference. First operand has 149 places, 156 transitions, 363 flow. Second operand 6 states and 4057 transitions. [2023-11-19 07:42:55,592 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 447 transitions, 1761 flow [2023-11-19 07:42:55,597 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 447 transitions, 1761 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:42:55,603 INFO L231 Difference]: Finished difference. Result has 153 places, 155 transitions, 371 flow [2023-11-19 07:42:55,604 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1290, PETRI_DIFFERENCE_MINUEND_FLOW=361, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=371, PETRI_PLACES=153, PETRI_TRANSITIONS=155} [2023-11-19 07:42:55,605 INFO L281 CegarLoopForPetriNet]: 218 programPoint places, -65 predicate places. [2023-11-19 07:42:55,605 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 155 transitions, 371 flow [2023-11-19 07:42:55,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 614.6666666666666) internal successors, (3688), 6 states have internal predecessors, (3688), 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 07:42:55,607 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:42:55,607 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 07:42:55,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 07:42:55,607 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err42ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-19 07:42:55,608 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:55,608 INFO L85 PathProgramCache]: Analyzing trace with hash -469094046, now seen corresponding path program 1 times [2023-11-19 07:42:55,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:55,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735623533] [2023-11-19 07:42:55,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:55,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:55,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:55,697 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 07:42:55,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:55,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735623533] [2023-11-19 07:42:55,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735623533] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:55,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:55,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:42:55,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052298285] [2023-11-19 07:42:55,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:55,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:55,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:55,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:55,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:55,873 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 616 out of 1290 [2023-11-19 07:42:55,876 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 155 transitions, 371 flow. Second operand has 3 states, 3 states have (on average 620.0) internal successors, (1860), 3 states have internal predecessors, (1860), 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 07:42:55,876 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:42:55,876 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 616 of 1290 [2023-11-19 07:42:55,876 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:42:56,831 INFO L124 PetriNetUnfolderBase]: 3694/7964 cut-off events. [2023-11-19 07:42:56,831 INFO L125 PetriNetUnfolderBase]: For 457/457 co-relation queries the response was YES. [2023-11-19 07:42:56,859 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15088 conditions, 7964 events. 3694/7964 cut-off events. For 457/457 co-relation queries the response was YES. Maximal size of possible extension queue 231. Compared 57569 event pairs, 1359 based on Foata normal form. 0/7364 useless extension candidates. Maximal degree in co-relation 15081. Up to 3483 conditions per place. [2023-11-19 07:42:56,889 INFO L140 encePairwiseOnDemand]: 1280/1290 looper letters, 138 selfloop transitions, 7 changer transitions 0/206 dead transitions. [2023-11-19 07:42:56,889 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 206 transitions, 776 flow [2023-11-19 07:42:56,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:56,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:42:56,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1990 transitions. [2023-11-19 07:42:56,897 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5142118863049095 [2023-11-19 07:42:56,897 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1990 transitions. [2023-11-19 07:42:56,897 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1990 transitions. [2023-11-19 07:42:56,899 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:42:56,899 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1990 transitions. [2023-11-19 07:42:56,904 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 663.3333333333334) internal successors, (1990), 3 states have internal predecessors, (1990), 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 07:42:56,912 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1290.0) internal successors, (5160), 4 states have internal predecessors, (5160), 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 07:42:56,914 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1290.0) internal successors, (5160), 4 states have internal predecessors, (5160), 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 07:42:56,914 INFO L175 Difference]: Start difference. First operand has 153 places, 155 transitions, 371 flow. Second operand 3 states and 1990 transitions. [2023-11-19 07:42:56,914 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 206 transitions, 776 flow [2023-11-19 07:42:56,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 206 transitions, 764 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-19 07:42:56,922 INFO L231 Difference]: Finished difference. Result has 151 places, 161 transitions, 412 flow [2023-11-19 07:42:56,922 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1290, PETRI_DIFFERENCE_MINUEND_FLOW=361, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=412, PETRI_PLACES=151, PETRI_TRANSITIONS=161} [2023-11-19 07:42:56,923 INFO L281 CegarLoopForPetriNet]: 218 programPoint places, -67 predicate places. [2023-11-19 07:42:56,923 INFO L495 AbstractCegarLoop]: Abstraction has has 151 places, 161 transitions, 412 flow [2023-11-19 07:42:56,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 620.0) internal successors, (1860), 3 states have internal predecessors, (1860), 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 07:42:56,924 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:42:56,924 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 07:42:56,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-19 07:42:56,924 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-19 07:42:56,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:56,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1768856909, now seen corresponding path program 1 times [2023-11-19 07:42:56,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:56,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447585197] [2023-11-19 07:42:56,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:56,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:56,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:57,283 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 07:42:57,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:57,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447585197] [2023-11-19 07:42:57,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447585197] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:57,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:57,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:42:57,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088083986] [2023-11-19 07:42:57,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:57,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:42:57,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:57,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:42:57,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:42:58,183 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 556 out of 1290 [2023-11-19 07:42:58,187 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 161 transitions, 412 flow. Second operand has 6 states, 6 states have (on average 558.6666666666666) internal successors, (3352), 6 states have internal predecessors, (3352), 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 07:42:58,188 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:42:58,188 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 556 of 1290 [2023-11-19 07:42:58,188 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:42:59,294 INFO L124 PetriNetUnfolderBase]: 5014/8985 cut-off events. [2023-11-19 07:42:59,294 INFO L125 PetriNetUnfolderBase]: For 449/449 co-relation queries the response was YES. [2023-11-19 07:42:59,320 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18659 conditions, 8985 events. 5014/8985 cut-off events. For 449/449 co-relation queries the response was YES. Maximal size of possible extension queue 223. Compared 55232 event pairs, 2633 based on Foata normal form. 220/8587 useless extension candidates. Maximal degree in co-relation 18651. Up to 5460 conditions per place. [2023-11-19 07:42:59,350 INFO L140 encePairwiseOnDemand]: 1234/1290 looper letters, 123 selfloop transitions, 53 changer transitions 0/200 dead transitions. [2023-11-19 07:42:59,351 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 200 transitions, 854 flow [2023-11-19 07:42:59,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:42:59,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:42:59,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3509 transitions. [2023-11-19 07:42:59,364 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.453359173126615 [2023-11-19 07:42:59,365 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3509 transitions. [2023-11-19 07:42:59,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3509 transitions. [2023-11-19 07:42:59,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:42:59,368 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3509 transitions. [2023-11-19 07:42:59,376 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 584.8333333333334) internal successors, (3509), 6 states have internal predecessors, (3509), 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 07:42:59,390 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1290.0) internal successors, (9030), 7 states have internal predecessors, (9030), 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 07:42:59,393 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1290.0) internal successors, (9030), 7 states have internal predecessors, (9030), 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 07:42:59,394 INFO L175 Difference]: Start difference. First operand has 151 places, 161 transitions, 412 flow. Second operand 6 states and 3509 transitions. [2023-11-19 07:42:59,394 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 200 transitions, 854 flow [2023-11-19 07:42:59,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 200 transitions, 847 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 07:42:59,404 INFO L231 Difference]: Finished difference. Result has 146 places, 152 transitions, 493 flow [2023-11-19 07:42:59,404 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1290, PETRI_DIFFERENCE_MINUEND_FLOW=387, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=493, PETRI_PLACES=146, PETRI_TRANSITIONS=152} [2023-11-19 07:42:59,405 INFO L281 CegarLoopForPetriNet]: 218 programPoint places, -72 predicate places. [2023-11-19 07:42:59,406 INFO L495 AbstractCegarLoop]: Abstraction has has 146 places, 152 transitions, 493 flow [2023-11-19 07:42:59,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 558.6666666666666) internal successors, (3352), 6 states have internal predecessors, (3352), 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 07:42:59,407 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:42:59,407 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 07:42:59,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-19 07:42:59,407 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-19 07:42:59,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:59,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1976256931, now seen corresponding path program 1 times [2023-11-19 07:42:59,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:59,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997638291] [2023-11-19 07:42:59,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:59,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:59,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:59,807 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 07:42:59,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:59,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997638291] [2023-11-19 07:42:59,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997638291] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:59,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:59,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:42:59,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145949809] [2023-11-19 07:42:59,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:59,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:42:59,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:59,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:42:59,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:43:00,556 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 612 out of 1290 [2023-11-19 07:43:00,560 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 152 transitions, 493 flow. Second operand has 6 states, 6 states have (on average 614.5) internal successors, (3687), 6 states have internal predecessors, (3687), 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 07:43:00,560 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:43:00,560 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 612 of 1290 [2023-11-19 07:43:00,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:43:02,181 INFO L124 PetriNetUnfolderBase]: 4229/8417 cut-off events. [2023-11-19 07:43:02,181 INFO L125 PetriNetUnfolderBase]: For 760/760 co-relation queries the response was YES. [2023-11-19 07:43:02,209 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18391 conditions, 8417 events. 4229/8417 cut-off events. For 760/760 co-relation queries the response was YES. Maximal size of possible extension queue 224. Compared 57943 event pairs, 2829 based on Foata normal form. 0/7891 useless extension candidates. Maximal degree in co-relation 18383. Up to 5832 conditions per place. [2023-11-19 07:43:02,214 INFO L140 encePairwiseOnDemand]: 1285/1290 looper letters, 0 selfloop transitions, 0 changer transitions 471/471 dead transitions. [2023-11-19 07:43:02,215 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 471 transitions, 2379 flow [2023-11-19 07:43:02,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:43:02,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:43:02,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4045 transitions. [2023-11-19 07:43:02,233 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.522609819121447 [2023-11-19 07:43:02,233 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4045 transitions. [2023-11-19 07:43:02,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4045 transitions. [2023-11-19 07:43:02,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:43:02,237 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4045 transitions. [2023-11-19 07:43:02,249 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 674.1666666666666) internal successors, (4045), 6 states have internal predecessors, (4045), 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 07:43:02,264 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1290.0) internal successors, (9030), 7 states have internal predecessors, (9030), 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 07:43:02,267 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1290.0) internal successors, (9030), 7 states have internal predecessors, (9030), 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 07:43:02,267 INFO L175 Difference]: Start difference. First operand has 146 places, 152 transitions, 493 flow. Second operand 6 states and 4045 transitions. [2023-11-19 07:43:02,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 471 transitions, 2379 flow [2023-11-19 07:43:02,286 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 471 transitions, 2073 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-19 07:43:02,289 INFO L231 Difference]: Finished difference. Result has 145 places, 0 transitions, 0 flow [2023-11-19 07:43:02,290 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1290, PETRI_DIFFERENCE_MINUEND_FLOW=385, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=145, PETRI_TRANSITIONS=0} [2023-11-19 07:43:02,291 INFO L281 CegarLoopForPetriNet]: 218 programPoint places, -73 predicate places. [2023-11-19 07:43:02,291 INFO L495 AbstractCegarLoop]: Abstraction has has 145 places, 0 transitions, 0 flow [2023-11-19 07:43:02,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 614.5) internal successors, (3687), 6 states have internal predecessors, (3687), 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 07:43:02,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (163 of 164 remaining) [2023-11-19 07:43:02,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (162 of 164 remaining) [2023-11-19 07:43:02,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (161 of 164 remaining) [2023-11-19 07:43:02,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (160 of 164 remaining) [2023-11-19 07:43:02,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (159 of 164 remaining) [2023-11-19 07:43:02,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (158 of 164 remaining) [2023-11-19 07:43:02,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (157 of 164 remaining) [2023-11-19 07:43:02,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (156 of 164 remaining) [2023-11-19 07:43:02,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (155 of 164 remaining) [2023-11-19 07:43:02,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err36ASSERT_VIOLATIONDATA_RACE (154 of 164 remaining) [2023-11-19 07:43:02,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (153 of 164 remaining) [2023-11-19 07:43:02,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err37ASSERT_VIOLATIONDATA_RACE (152 of 164 remaining) [2023-11-19 07:43:02,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err44ASSERT_VIOLATIONDATA_RACE (151 of 164 remaining) [2023-11-19 07:43:02,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (150 of 164 remaining) [2023-11-19 07:43:02,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err45ASSERT_VIOLATIONDATA_RACE (149 of 164 remaining) [2023-11-19 07:43:02,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err52ASSERT_VIOLATIONDATA_RACE (148 of 164 remaining) [2023-11-19 07:43:02,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err38ASSERT_VIOLATIONDATA_RACE (147 of 164 remaining) [2023-11-19 07:43:02,298 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (146 of 164 remaining) [2023-11-19 07:43:02,298 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err39ASSERT_VIOLATIONDATA_RACE (145 of 164 remaining) [2023-11-19 07:43:02,298 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err53ASSERT_VIOLATIONDATA_RACE (144 of 164 remaining) [2023-11-19 07:43:02,298 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err60ASSERT_VIOLATIONDATA_RACE (143 of 164 remaining) [2023-11-19 07:43:02,298 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err46ASSERT_VIOLATIONDATA_RACE (142 of 164 remaining) [2023-11-19 07:43:02,298 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err47ASSERT_VIOLATIONDATA_RACE (141 of 164 remaining) [2023-11-19 07:43:02,298 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err61ASSERT_VIOLATIONDATA_RACE (140 of 164 remaining) [2023-11-19 07:43:02,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (139 of 164 remaining) [2023-11-19 07:43:02,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err54ASSERT_VIOLATIONDATA_RACE (138 of 164 remaining) [2023-11-19 07:43:02,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err40ASSERT_VIOLATIONDATA_RACE (137 of 164 remaining) [2023-11-19 07:43:02,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (136 of 164 remaining) [2023-11-19 07:43:02,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err55ASSERT_VIOLATIONDATA_RACE (135 of 164 remaining) [2023-11-19 07:43:02,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err41ASSERT_VIOLATIONDATA_RACE (134 of 164 remaining) [2023-11-19 07:43:02,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err62ASSERT_VIOLATIONDATA_RACE (133 of 164 remaining) [2023-11-19 07:43:02,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err48ASSERT_VIOLATIONDATA_RACE (132 of 164 remaining) [2023-11-19 07:43:02,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err63ASSERT_VIOLATIONDATA_RACE (131 of 164 remaining) [2023-11-19 07:43:02,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err49ASSERT_VIOLATIONDATA_RACE (130 of 164 remaining) [2023-11-19 07:43:02,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err56ASSERT_VIOLATIONDATA_RACE (129 of 164 remaining) [2023-11-19 07:43:02,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (128 of 164 remaining) [2023-11-19 07:43:02,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err42ASSERT_VIOLATIONDATA_RACE (127 of 164 remaining) [2023-11-19 07:43:02,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err57ASSERT_VIOLATIONDATA_RACE (126 of 164 remaining) [2023-11-19 07:43:02,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err64ASSERT_VIOLATIONDATA_RACE (125 of 164 remaining) [2023-11-19 07:43:02,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (124 of 164 remaining) [2023-11-19 07:43:02,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err50ASSERT_VIOLATIONDATA_RACE (123 of 164 remaining) [2023-11-19 07:43:02,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err65ASSERT_VIOLATIONDATA_RACE (122 of 164 remaining) [2023-11-19 07:43:02,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err43ASSERT_VIOLATIONDATA_RACE (121 of 164 remaining) [2023-11-19 07:43:02,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err58ASSERT_VIOLATIONDATA_RACE (120 of 164 remaining) [2023-11-19 07:43:02,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err51ASSERT_VIOLATIONDATA_RACE (119 of 164 remaining) [2023-11-19 07:43:02,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err66ASSERT_VIOLATIONDATA_RACE (118 of 164 remaining) [2023-11-19 07:43:02,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (117 of 164 remaining) [2023-11-19 07:43:02,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err59ASSERT_VIOLATIONDATA_RACE (116 of 164 remaining) [2023-11-19 07:43:02,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err67ASSERT_VIOLATIONDATA_RACE (115 of 164 remaining) [2023-11-19 07:43:02,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (114 of 164 remaining) [2023-11-19 07:43:02,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (113 of 164 remaining) [2023-11-19 07:43:02,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (112 of 164 remaining) [2023-11-19 07:43:02,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (111 of 164 remaining) [2023-11-19 07:43:02,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (110 of 164 remaining) [2023-11-19 07:43:02,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (109 of 164 remaining) [2023-11-19 07:43:02,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (108 of 164 remaining) [2023-11-19 07:43:02,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (107 of 164 remaining) [2023-11-19 07:43:02,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (106 of 164 remaining) [2023-11-19 07:43:02,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (105 of 164 remaining) [2023-11-19 07:43:02,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (104 of 164 remaining) [2023-11-19 07:43:02,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (103 of 164 remaining) [2023-11-19 07:43:02,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (102 of 164 remaining) [2023-11-19 07:43:02,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (101 of 164 remaining) [2023-11-19 07:43:02,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (100 of 164 remaining) [2023-11-19 07:43:02,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (99 of 164 remaining) [2023-11-19 07:43:02,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (98 of 164 remaining) [2023-11-19 07:43:02,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (97 of 164 remaining) [2023-11-19 07:43:02,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (96 of 164 remaining) [2023-11-19 07:43:02,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (95 of 164 remaining) [2023-11-19 07:43:02,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (94 of 164 remaining) [2023-11-19 07:43:02,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (93 of 164 remaining) [2023-11-19 07:43:02,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (92 of 164 remaining) [2023-11-19 07:43:02,306 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (91 of 164 remaining) [2023-11-19 07:43:02,306 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (90 of 164 remaining) [2023-11-19 07:43:02,306 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (89 of 164 remaining) [2023-11-19 07:43:02,306 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (88 of 164 remaining) [2023-11-19 07:43:02,306 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (87 of 164 remaining) [2023-11-19 07:43:02,306 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (86 of 164 remaining) [2023-11-19 07:43:02,306 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (85 of 164 remaining) [2023-11-19 07:43:02,307 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (84 of 164 remaining) [2023-11-19 07:43:02,307 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (83 of 164 remaining) [2023-11-19 07:43:02,307 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (82 of 164 remaining) [2023-11-19 07:43:02,307 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (81 of 164 remaining) [2023-11-19 07:43:02,307 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (80 of 164 remaining) [2023-11-19 07:43:02,307 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (79 of 164 remaining) [2023-11-19 07:43:02,307 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (78 of 164 remaining) [2023-11-19 07:43:02,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (77 of 164 remaining) [2023-11-19 07:43:02,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (76 of 164 remaining) [2023-11-19 07:43:02,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (75 of 164 remaining) [2023-11-19 07:43:02,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (74 of 164 remaining) [2023-11-19 07:43:02,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (73 of 164 remaining) [2023-11-19 07:43:02,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (72 of 164 remaining) [2023-11-19 07:43:02,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (71 of 164 remaining) [2023-11-19 07:43:02,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (70 of 164 remaining) [2023-11-19 07:43:02,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (69 of 164 remaining) [2023-11-19 07:43:02,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (68 of 164 remaining) [2023-11-19 07:43:02,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (67 of 164 remaining) [2023-11-19 07:43:02,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err36ASSERT_VIOLATIONDATA_RACE (66 of 164 remaining) [2023-11-19 07:43:02,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (65 of 164 remaining) [2023-11-19 07:43:02,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err37ASSERT_VIOLATIONDATA_RACE (64 of 164 remaining) [2023-11-19 07:43:02,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err44ASSERT_VIOLATIONDATA_RACE (63 of 164 remaining) [2023-11-19 07:43:02,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (62 of 164 remaining) [2023-11-19 07:43:02,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err45ASSERT_VIOLATIONDATA_RACE (61 of 164 remaining) [2023-11-19 07:43:02,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err52ASSERT_VIOLATIONDATA_RACE (60 of 164 remaining) [2023-11-19 07:43:02,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err38ASSERT_VIOLATIONDATA_RACE (59 of 164 remaining) [2023-11-19 07:43:02,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (58 of 164 remaining) [2023-11-19 07:43:02,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err39ASSERT_VIOLATIONDATA_RACE (57 of 164 remaining) [2023-11-19 07:43:02,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err53ASSERT_VIOLATIONDATA_RACE (56 of 164 remaining) [2023-11-19 07:43:02,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err60ASSERT_VIOLATIONDATA_RACE (55 of 164 remaining) [2023-11-19 07:43:02,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err46ASSERT_VIOLATIONDATA_RACE (54 of 164 remaining) [2023-11-19 07:43:02,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err47ASSERT_VIOLATIONDATA_RACE (53 of 164 remaining) [2023-11-19 07:43:02,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err61ASSERT_VIOLATIONDATA_RACE (52 of 164 remaining) [2023-11-19 07:43:02,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (51 of 164 remaining) [2023-11-19 07:43:02,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err54ASSERT_VIOLATIONDATA_RACE (50 of 164 remaining) [2023-11-19 07:43:02,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err40ASSERT_VIOLATIONDATA_RACE (49 of 164 remaining) [2023-11-19 07:43:02,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (48 of 164 remaining) [2023-11-19 07:43:02,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err55ASSERT_VIOLATIONDATA_RACE (47 of 164 remaining) [2023-11-19 07:43:02,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err41ASSERT_VIOLATIONDATA_RACE (46 of 164 remaining) [2023-11-19 07:43:02,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err62ASSERT_VIOLATIONDATA_RACE (45 of 164 remaining) [2023-11-19 07:43:02,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err48ASSERT_VIOLATIONDATA_RACE (44 of 164 remaining) [2023-11-19 07:43:02,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err63ASSERT_VIOLATIONDATA_RACE (43 of 164 remaining) [2023-11-19 07:43:02,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err49ASSERT_VIOLATIONDATA_RACE (42 of 164 remaining) [2023-11-19 07:43:02,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err56ASSERT_VIOLATIONDATA_RACE (41 of 164 remaining) [2023-11-19 07:43:02,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (40 of 164 remaining) [2023-11-19 07:43:02,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err42ASSERT_VIOLATIONDATA_RACE (39 of 164 remaining) [2023-11-19 07:43:02,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err57ASSERT_VIOLATIONDATA_RACE (38 of 164 remaining) [2023-11-19 07:43:02,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err64ASSERT_VIOLATIONDATA_RACE (37 of 164 remaining) [2023-11-19 07:43:02,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (36 of 164 remaining) [2023-11-19 07:43:02,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err50ASSERT_VIOLATIONDATA_RACE (35 of 164 remaining) [2023-11-19 07:43:02,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err65ASSERT_VIOLATIONDATA_RACE (34 of 164 remaining) [2023-11-19 07:43:02,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err43ASSERT_VIOLATIONDATA_RACE (33 of 164 remaining) [2023-11-19 07:43:02,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err58ASSERT_VIOLATIONDATA_RACE (32 of 164 remaining) [2023-11-19 07:43:02,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err51ASSERT_VIOLATIONDATA_RACE (31 of 164 remaining) [2023-11-19 07:43:02,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err66ASSERT_VIOLATIONDATA_RACE (30 of 164 remaining) [2023-11-19 07:43:02,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (29 of 164 remaining) [2023-11-19 07:43:02,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err59ASSERT_VIOLATIONDATA_RACE (28 of 164 remaining) [2023-11-19 07:43:02,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err67ASSERT_VIOLATIONDATA_RACE (27 of 164 remaining) [2023-11-19 07:43:02,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (26 of 164 remaining) [2023-11-19 07:43:02,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (25 of 164 remaining) [2023-11-19 07:43:02,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (24 of 164 remaining) [2023-11-19 07:43:02,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (23 of 164 remaining) [2023-11-19 07:43:02,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (22 of 164 remaining) [2023-11-19 07:43:02,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (21 of 164 remaining) [2023-11-19 07:43:02,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (20 of 164 remaining) [2023-11-19 07:43:02,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (19 of 164 remaining) [2023-11-19 07:43:02,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (18 of 164 remaining) [2023-11-19 07:43:02,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (17 of 164 remaining) [2023-11-19 07:43:02,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (16 of 164 remaining) [2023-11-19 07:43:02,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (15 of 164 remaining) [2023-11-19 07:43:02,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (14 of 164 remaining) [2023-11-19 07:43:02,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (13 of 164 remaining) [2023-11-19 07:43:02,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (12 of 164 remaining) [2023-11-19 07:43:02,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (11 of 164 remaining) [2023-11-19 07:43:02,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (10 of 164 remaining) [2023-11-19 07:43:02,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (9 of 164 remaining) [2023-11-19 07:43:02,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (8 of 164 remaining) [2023-11-19 07:43:02,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (7 of 164 remaining) [2023-11-19 07:43:02,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (6 of 164 remaining) [2023-11-19 07:43:02,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (5 of 164 remaining) [2023-11-19 07:43:02,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (4 of 164 remaining) [2023-11-19 07:43:02,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (3 of 164 remaining) [2023-11-19 07:43:02,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (2 of 164 remaining) [2023-11-19 07:43:02,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (1 of 164 remaining) [2023-11-19 07:43:02,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (0 of 164 remaining) [2023-11-19 07:43:02,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-19 07:43:02,319 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:43:02,327 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 07:43:02,327 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:43:02,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:43:02 BasicIcfg [2023-11-19 07:43:02,333 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:43:02,333 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:43:02,333 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:43:02,334 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:43:02,334 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:42:28" (3/4) ... [2023-11-19 07:43:02,336 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:43:02,341 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-19 07:43:02,341 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-19 07:43:02,352 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-19 07:43:02,353 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 07:43:02,354 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 07:43:02,354 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:43:02,478 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0264bdd8-6db3-4f5a-8fdc-abf938dbd17d/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:43:02,479 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0264bdd8-6db3-4f5a-8fdc-abf938dbd17d/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:43:02,479 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:43:02,480 INFO L158 Benchmark]: Toolchain (without parser) took 36257.14ms. Allocated memory was 167.8MB in the beginning and 817.9MB in the end (delta: 650.1MB). Free memory was 135.3MB in the beginning and 255.1MB in the end (delta: -119.8MB). Peak memory consumption was 531.7MB. Max. memory is 16.1GB. [2023-11-19 07:43:02,480 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:43:02,481 INFO L158 Benchmark]: CACSL2BoogieTranslator took 372.93ms. Allocated memory is still 167.8MB. Free memory was 134.8MB in the beginning and 120.9MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 07:43:02,481 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.40ms. Allocated memory is still 167.8MB. Free memory was 120.9MB in the beginning and 117.3MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:43:02,482 INFO L158 Benchmark]: Boogie Preprocessor took 73.67ms. Allocated memory is still 167.8MB. Free memory was 117.3MB in the beginning and 113.6MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:43:02,482 INFO L158 Benchmark]: RCFGBuilder took 1290.27ms. Allocated memory is still 167.8MB. Free memory was 113.6MB in the beginning and 122.3MB in the end (delta: -8.7MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2023-11-19 07:43:02,482 INFO L158 Benchmark]: TraceAbstraction took 34283.07ms. Allocated memory was 167.8MB in the beginning and 817.9MB in the end (delta: 650.1MB). Free memory was 121.5MB in the beginning and 260.4MB in the end (delta: -138.9MB). Peak memory consumption was 585.2MB. Max. memory is 16.1GB. [2023-11-19 07:43:02,483 INFO L158 Benchmark]: Witness Printer took 146.07ms. Allocated memory is still 817.9MB. Free memory was 260.4MB in the beginning and 255.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:43:02,486 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 372.93ms. Allocated memory is still 167.8MB. Free memory was 134.8MB in the beginning and 120.9MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.40ms. Allocated memory is still 167.8MB. Free memory was 120.9MB in the beginning and 117.3MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.67ms. Allocated memory is still 167.8MB. Free memory was 117.3MB in the beginning and 113.6MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1290.27ms. Allocated memory is still 167.8MB. Free memory was 113.6MB in the beginning and 122.3MB in the end (delta: -8.7MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. * TraceAbstraction took 34283.07ms. Allocated memory was 167.8MB in the beginning and 817.9MB in the end (delta: 650.1MB). Free memory was 121.5MB in the beginning and 260.4MB in the end (delta: -138.9MB). Peak memory consumption was 585.2MB. Max. memory is 16.1GB. * Witness Printer took 146.07ms. Allocated memory is still 817.9MB. Free memory was 260.4MB in the beginning and 255.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.2s, 599 PlacesBefore, 218 PlacesAfterwards, 625 TransitionsBefore, 230 TransitionsAfterwards, 65160 CoEnabledTransitionPairs, 8 FixpointIterations, 120 TrivialSequentialCompositions, 415 ConcurrentSequentialCompositions, 12 TrivialYvCompositions, 81 ConcurrentYvCompositions, 14 ChoiceCompositions, 642 TotalNumberOfCompositions, 247268 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 69282, independent: 66848, independent conditional: 0, independent unconditional: 66848, dependent: 2434, dependent conditional: 0, dependent unconditional: 2434, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 36270, independent: 35885, independent conditional: 0, independent unconditional: 35885, dependent: 385, dependent conditional: 0, dependent unconditional: 385, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 69282, independent: 30963, independent conditional: 0, independent unconditional: 30963, dependent: 2049, dependent conditional: 0, dependent unconditional: 2049, unknown: 36270, unknown conditional: 0, unknown unconditional: 36270] , Statistics on independence cache: Total cache size (in pairs): 2283, Positive cache size: 2083, Positive conditional cache size: 0, Positive unconditional cache size: 2083, Negative cache size: 200, Negative conditional cache size: 0, Negative unconditional cache size: 200, 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: 76]: 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: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: 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: 86]: 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: 60]: 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: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: 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: 92]: 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: 87]: 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: 61]: 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: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: 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: 78]: 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: 93]: 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: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: 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: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: 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: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: 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, 1081 locations, 164 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: 34.0s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 16.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 14.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2757 SdHoareTripleChecker+Valid, 7.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1778 mSDsluCounter, 81 SdHoareTripleChecker+Invalid, 6.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 977 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6275 IncrementalHoareTripleChecker+Invalid, 7252 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 977 mSolverCounterUnsat, 81 mSDtfsCounter, 6275 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=493occurred in iteration=9, InterpolantAutomatonStates: 41, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 120 NumberOfCodeBlocks, 120 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 534 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 6/6 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 86 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-19 07:43:02,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0264bdd8-6db3-4f5a-8fdc-abf938dbd17d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE