./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232a93d1-819b-4670-858f-7d6c3efbf400/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232a93d1-819b-4670-858f-7d6c3efbf400/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232a93d1-819b-4670-858f-7d6c3efbf400/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232a93d1-819b-4670-858f-7d6c3efbf400/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232a93d1-819b-4670-858f-7d6c3efbf400/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232a93d1-819b-4670-858f-7d6c3efbf400/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --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 d721a74d879c75d156b7dfbd9383140c70ef6831602ea84a0f8988cd7fdc0c32 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 19:36:39,155 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:36:39,158 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:36:39,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:36:39,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:36:39,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:36:39,190 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:36:39,192 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:36:39,195 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:36:39,199 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:36:39,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:36:39,202 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:36:39,204 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:36:39,205 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:36:39,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:36:39,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:36:39,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:36:39,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:36:39,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:36:39,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:36:39,226 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:36:39,227 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:36:39,228 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:36:39,229 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:36:39,233 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:36:39,233 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:36:39,233 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:36:39,234 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:36:39,235 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:36:39,236 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:36:39,236 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:36:39,237 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:36:39,238 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:36:39,239 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:36:39,240 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:36:39,240 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:36:39,241 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:36:39,241 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:36:39,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:36:39,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:36:39,243 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:36:39,244 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232a93d1-819b-4670-858f-7d6c3efbf400/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-18 19:36:39,274 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:36:39,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:36:39,274 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:36:39,275 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:36:39,275 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:36:39,275 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:36:39,276 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:36:39,276 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:36:39,277 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:36:39,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:36:39,277 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 19:36:39,277 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 19:36:39,278 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:36:39,278 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 19:36:39,278 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:36:39,278 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:36:39,288 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:36:39,289 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:36:39,289 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-18 19:36:39,289 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 19:36:39,289 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:36:39,290 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:36:39,290 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:36:39,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:36:39,290 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:36:39,291 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:36:39,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:36:39,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:36:39,291 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:36:39,291 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:36:39,292 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:36:39,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 19:36:39,292 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:36:39,292 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:36:39,293 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:36:39,293 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_232a93d1-819b-4670-858f-7d6c3efbf400/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232a93d1-819b-4670-858f-7d6c3efbf400/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d721a74d879c75d156b7dfbd9383140c70ef6831602ea84a0f8988cd7fdc0c32 [2022-11-18 19:36:39,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:36:39,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:36:39,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:36:39,585 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:36:39,586 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:36:39,587 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232a93d1-819b-4670-858f-7d6c3efbf400/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c [2022-11-18 19:36:39,650 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232a93d1-819b-4670-858f-7d6c3efbf400/bin/uautomizer-TMbwUNV5ro/data/d544e78d2/c05367dea4f144b9a6132f500822a839/FLAG3770c9ff4 [2022-11-18 19:36:40,120 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:36:40,125 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232a93d1-819b-4670-858f-7d6c3efbf400/sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c [2022-11-18 19:36:40,133 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232a93d1-819b-4670-858f-7d6c3efbf400/bin/uautomizer-TMbwUNV5ro/data/d544e78d2/c05367dea4f144b9a6132f500822a839/FLAG3770c9ff4 [2022-11-18 19:36:40,497 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232a93d1-819b-4670-858f-7d6c3efbf400/bin/uautomizer-TMbwUNV5ro/data/d544e78d2/c05367dea4f144b9a6132f500822a839 [2022-11-18 19:36:40,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:36:40,500 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:36:40,502 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:36:40,502 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:36:40,507 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:36:40,508 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:36:40" (1/1) ... [2022-11-18 19:36:40,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16333cb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:36:40, skipping insertion in model container [2022-11-18 19:36:40,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:36:40" (1/1) ... [2022-11-18 19:36:40,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:36:40,558 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:36:40,887 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232a93d1-819b-4670-858f-7d6c3efbf400/sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c[3770,3783] [2022-11-18 19:36:40,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:36:40,912 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:36:40,955 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232a93d1-819b-4670-858f-7d6c3efbf400/sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c[3770,3783] [2022-11-18 19:36:40,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:36:40,978 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:36:40,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:36:40 WrapperNode [2022-11-18 19:36:40,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:36:40,979 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:36:40,979 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:36:40,979 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:36:40,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:36:40" (1/1) ... [2022-11-18 19:36:41,002 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:36:40" (1/1) ... [2022-11-18 19:36:41,045 INFO L138 Inliner]: procedures = 27, calls = 73, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 419 [2022-11-18 19:36:41,046 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:36:41,046 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:36:41,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:36:41,047 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:36:41,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:36:40" (1/1) ... [2022-11-18 19:36:41,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:36:40" (1/1) ... [2022-11-18 19:36:41,063 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:36:40" (1/1) ... [2022-11-18 19:36:41,063 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:36:40" (1/1) ... [2022-11-18 19:36:41,078 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:36:40" (1/1) ... [2022-11-18 19:36:41,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:36:40" (1/1) ... [2022-11-18 19:36:41,086 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:36:40" (1/1) ... [2022-11-18 19:36:41,089 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:36:40" (1/1) ... [2022-11-18 19:36:41,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:36:41,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:36:41,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:36:41,094 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:36:41,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:36:40" (1/1) ... [2022-11-18 19:36:41,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:36:41,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232a93d1-819b-4670-858f-7d6c3efbf400/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:36:41,140 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232a93d1-819b-4670-858f-7d6c3efbf400/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:36:41,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232a93d1-819b-4670-858f-7d6c3efbf400/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:36:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:36:41,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 19:36:41,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 19:36:41,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 19:36:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-18 19:36:41,200 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-18 19:36:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-18 19:36:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-18 19:36:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-18 19:36:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-18 19:36:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-18 19:36:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-18 19:36:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 19:36:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-18 19:36:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-18 19:36:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 19:36:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:36:41,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:36:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 19:36:41,204 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 19:36:41,328 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:36:41,330 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:36:42,272 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:36:42,653 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:36:42,653 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-18 19:36:42,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:36:42 BoogieIcfgContainer [2022-11-18 19:36:42,657 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:36:42,660 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:36:42,660 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:36:42,664 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:36:42,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:36:40" (1/3) ... [2022-11-18 19:36:42,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@892aac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:36:42, skipping insertion in model container [2022-11-18 19:36:42,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:36:40" (2/3) ... [2022-11-18 19:36:42,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@892aac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:36:42, skipping insertion in model container [2022-11-18 19:36:42,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:36:42" (3/3) ... [2022-11-18 19:36:42,667 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-equiv.wvr.c [2022-11-18 19:36:42,676 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 19:36:42,687 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:36:42,688 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 61 error locations. [2022-11-18 19:36:42,688 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 19:36:42,851 INFO L144 ThreadInstanceAdder]: Constructed 10 joinOtherThreadTransitions. [2022-11-18 19:36:42,904 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 341 places, 342 transitions, 728 flow [2022-11-18 19:36:43,083 INFO L130 PetriNetUnfolder]: 14/321 cut-off events. [2022-11-18 19:36:43,083 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-18 19:36:43,094 INFO L83 FinitePrefix]: Finished finitePrefix Result has 340 conditions, 321 events. 14/321 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 521 event pairs, 0 based on Foata normal form. 0/246 useless extension candidates. Maximal degree in co-relation 261. Up to 3 conditions per place. [2022-11-18 19:36:43,094 INFO L82 GeneralOperation]: Start removeDead. Operand has 341 places, 342 transitions, 728 flow [2022-11-18 19:36:43,107 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 303 places, 303 transitions, 636 flow [2022-11-18 19:36:43,117 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:36:43,124 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=LoopsAndPotentialCycles, 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;@603c03f4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:36:43,124 INFO L358 AbstractCegarLoop]: Starting to check reachability of 112 error locations. [2022-11-18 19:36:43,133 INFO L130 PetriNetUnfolder]: 0/27 cut-off events. [2022-11-18 19:36:43,133 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 19:36:43,134 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:36:43,135 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:36:43,135 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-18 19:36:43,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:36:43,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1424752124, now seen corresponding path program 1 times [2022-11-18 19:36:43,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:36:43,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618101647] [2022-11-18 19:36:43,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:36:43,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:36:43,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:36:43,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:36:43,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:36:43,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618101647] [2022-11-18 19:36:43,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618101647] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:36:43,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:36:43,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:36:43,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869812088] [2022-11-18 19:36:43,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:36:43,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:36:43,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:36:43,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:36:43,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:36:43,473 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 255 out of 344 [2022-11-18 19:36:43,480 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 303 transitions, 636 flow. Second operand has 3 states, 3 states have (on average 256.3333333333333) internal successors, (769), 3 states have internal predecessors, (769), 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) [2022-11-18 19:36:43,480 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:36:43,481 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 255 of 344 [2022-11-18 19:36:43,482 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:36:43,890 INFO L130 PetriNetUnfolder]: 191/781 cut-off events. [2022-11-18 19:36:43,891 INFO L131 PetriNetUnfolder]: For 144/276 co-relation queries the response was YES. [2022-11-18 19:36:43,897 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1206 conditions, 781 events. 191/781 cut-off events. For 144/276 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3138 event pairs, 111 based on Foata normal form. 63/754 useless extension candidates. Maximal degree in co-relation 973. Up to 295 conditions per place. [2022-11-18 19:36:43,903 INFO L137 encePairwiseOnDemand]: 291/344 looper letters, 30 selfloop transitions, 2 changer transitions 3/252 dead transitions. [2022-11-18 19:36:43,903 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 252 transitions, 598 flow [2022-11-18 19:36:43,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:36:43,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:36:43,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 848 transitions. [2022-11-18 19:36:43,926 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8217054263565892 [2022-11-18 19:36:43,927 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 848 transitions. [2022-11-18 19:36:43,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 848 transitions. [2022-11-18 19:36:43,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:36:43,935 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 848 transitions. [2022-11-18 19:36:43,963 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 282.6666666666667) internal successors, (848), 3 states have internal predecessors, (848), 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) [2022-11-18 19:36:43,974 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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) [2022-11-18 19:36:43,975 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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) [2022-11-18 19:36:43,977 INFO L175 Difference]: Start difference. First operand has 303 places, 303 transitions, 636 flow. Second operand 3 states and 848 transitions. [2022-11-18 19:36:43,979 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 261 places, 252 transitions, 598 flow [2022-11-18 19:36:43,992 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 252 transitions, 578 flow, removed 0 selfloop flow, removed 8 redundant places. [2022-11-18 19:36:43,999 INFO L231 Difference]: Finished difference. Result has 253 places, 249 transitions, 512 flow [2022-11-18 19:36:44,001 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=514, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=512, PETRI_PLACES=253, PETRI_TRANSITIONS=249} [2022-11-18 19:36:44,007 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -50 predicate places. [2022-11-18 19:36:44,007 INFO L495 AbstractCegarLoop]: Abstraction has has 253 places, 249 transitions, 512 flow [2022-11-18 19:36:44,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 256.3333333333333) internal successors, (769), 3 states have internal predecessors, (769), 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) [2022-11-18 19:36:44,008 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:36:44,008 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:36:44,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 19:36:44,009 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-18 19:36:44,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:36:44,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1468597786, now seen corresponding path program 1 times [2022-11-18 19:36:44,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:36:44,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610954679] [2022-11-18 19:36:44,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:36:44,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:36:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:36:44,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:36:44,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:36:44,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610954679] [2022-11-18 19:36:44,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610954679] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:36:44,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:36:44,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:36:44,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592217325] [2022-11-18 19:36:44,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:36:44,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:36:44,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:36:44,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:36:44,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:36:44,167 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 344 [2022-11-18 19:36:44,168 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 249 transitions, 512 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 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) [2022-11-18 19:36:44,168 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:36:44,169 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 344 [2022-11-18 19:36:44,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:36:44,444 INFO L130 PetriNetUnfolder]: 191/777 cut-off events. [2022-11-18 19:36:44,444 INFO L131 PetriNetUnfolder]: For 25/157 co-relation queries the response was YES. [2022-11-18 19:36:44,446 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1114 conditions, 777 events. 191/777 cut-off events. For 25/157 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3153 event pairs, 111 based on Foata normal form. 0/691 useless extension candidates. Maximal degree in co-relation 1078. Up to 292 conditions per place. [2022-11-18 19:36:44,452 INFO L137 encePairwiseOnDemand]: 341/344 looper letters, 27 selfloop transitions, 2 changer transitions 0/248 dead transitions. [2022-11-18 19:36:44,452 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 248 transitions, 568 flow [2022-11-18 19:36:44,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:36:44,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:36:44,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 804 transitions. [2022-11-18 19:36:44,455 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7790697674418605 [2022-11-18 19:36:44,455 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 804 transitions. [2022-11-18 19:36:44,455 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 804 transitions. [2022-11-18 19:36:44,456 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:36:44,456 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 804 transitions. [2022-11-18 19:36:44,460 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 268.0) internal successors, (804), 3 states have internal predecessors, (804), 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) [2022-11-18 19:36:44,462 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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) [2022-11-18 19:36:44,464 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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) [2022-11-18 19:36:44,464 INFO L175 Difference]: Start difference. First operand has 253 places, 249 transitions, 512 flow. Second operand 3 states and 804 transitions. [2022-11-18 19:36:44,505 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 248 transitions, 568 flow [2022-11-18 19:36:44,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 248 transitions, 564 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:36:44,511 INFO L231 Difference]: Finished difference. Result has 249 places, 248 transitions, 510 flow [2022-11-18 19:36:44,511 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=506, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=246, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=510, PETRI_PLACES=249, PETRI_TRANSITIONS=248} [2022-11-18 19:36:44,512 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -54 predicate places. [2022-11-18 19:36:44,512 INFO L495 AbstractCegarLoop]: Abstraction has has 249 places, 248 transitions, 510 flow [2022-11-18 19:36:44,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 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) [2022-11-18 19:36:44,520 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:36:44,520 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:36:44,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 19:36:44,520 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-18 19:36:44,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:36:44,523 INFO L85 PathProgramCache]: Analyzing trace with hash 673309952, now seen corresponding path program 1 times [2022-11-18 19:36:44,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:36:44,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408600978] [2022-11-18 19:36:44,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:36:44,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:36:44,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:36:44,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:36:44,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:36:44,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408600978] [2022-11-18 19:36:44,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408600978] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:36:44,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:36:44,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:36:44,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589570462] [2022-11-18 19:36:44,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:36:44,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:36:44,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:36:44,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:36:44,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:36:44,619 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 344 [2022-11-18 19:36:44,621 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 248 transitions, 510 flow. Second operand has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 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) [2022-11-18 19:36:44,621 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:36:44,621 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 344 [2022-11-18 19:36:44,622 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:36:44,888 INFO L130 PetriNetUnfolder]: 191/776 cut-off events. [2022-11-18 19:36:44,888 INFO L131 PetriNetUnfolder]: For 25/157 co-relation queries the response was YES. [2022-11-18 19:36:44,890 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1110 conditions, 776 events. 191/776 cut-off events. For 25/157 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3168 event pairs, 111 based on Foata normal form. 0/691 useless extension candidates. Maximal degree in co-relation 1067. Up to 289 conditions per place. [2022-11-18 19:36:44,895 INFO L137 encePairwiseOnDemand]: 341/344 looper letters, 24 selfloop transitions, 2 changer transitions 0/247 dead transitions. [2022-11-18 19:36:44,897 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 247 transitions, 560 flow [2022-11-18 19:36:44,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:36:44,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:36:44,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 810 transitions. [2022-11-18 19:36:44,900 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7848837209302325 [2022-11-18 19:36:44,900 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 810 transitions. [2022-11-18 19:36:44,900 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 810 transitions. [2022-11-18 19:36:44,901 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:36:44,901 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 810 transitions. [2022-11-18 19:36:44,903 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 270.0) internal successors, (810), 3 states have internal predecessors, (810), 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) [2022-11-18 19:36:44,905 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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) [2022-11-18 19:36:44,907 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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) [2022-11-18 19:36:44,907 INFO L175 Difference]: Start difference. First operand has 249 places, 248 transitions, 510 flow. Second operand 3 states and 810 transitions. [2022-11-18 19:36:44,907 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 247 transitions, 560 flow [2022-11-18 19:36:44,909 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 247 transitions, 556 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:36:44,915 INFO L231 Difference]: Finished difference. Result has 248 places, 247 transitions, 508 flow [2022-11-18 19:36:44,916 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=504, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=245, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=508, PETRI_PLACES=248, PETRI_TRANSITIONS=247} [2022-11-18 19:36:44,920 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -55 predicate places. [2022-11-18 19:36:44,920 INFO L495 AbstractCegarLoop]: Abstraction has has 248 places, 247 transitions, 508 flow [2022-11-18 19:36:44,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 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) [2022-11-18 19:36:44,921 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:36:44,921 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:36:44,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 19:36:44,922 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-18 19:36:44,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:36:44,923 INFO L85 PathProgramCache]: Analyzing trace with hash 105389288, now seen corresponding path program 1 times [2022-11-18 19:36:44,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:36:44,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283688053] [2022-11-18 19:36:44,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:36:44,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:36:44,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:36:45,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:36:45,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:36:45,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283688053] [2022-11-18 19:36:45,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283688053] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:36:45,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:36:45,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:36:45,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867561645] [2022-11-18 19:36:45,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:36:45,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:36:45,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:36:45,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:36:45,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:36:45,033 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 344 [2022-11-18 19:36:45,034 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 247 transitions, 508 flow. Second operand has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 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) [2022-11-18 19:36:45,034 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:36:45,034 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 344 [2022-11-18 19:36:45,035 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:36:45,251 INFO L130 PetriNetUnfolder]: 191/775 cut-off events. [2022-11-18 19:36:45,251 INFO L131 PetriNetUnfolder]: For 25/157 co-relation queries the response was YES. [2022-11-18 19:36:45,253 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1109 conditions, 775 events. 191/775 cut-off events. For 25/157 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3140 event pairs, 111 based on Foata normal form. 0/691 useless extension candidates. Maximal degree in co-relation 1059. Up to 289 conditions per place. [2022-11-18 19:36:45,258 INFO L137 encePairwiseOnDemand]: 341/344 looper letters, 24 selfloop transitions, 2 changer transitions 0/246 dead transitions. [2022-11-18 19:36:45,258 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 246 transitions, 558 flow [2022-11-18 19:36:45,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:36:45,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:36:45,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 810 transitions. [2022-11-18 19:36:45,265 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7848837209302325 [2022-11-18 19:36:45,265 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 810 transitions. [2022-11-18 19:36:45,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 810 transitions. [2022-11-18 19:36:45,266 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:36:45,266 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 810 transitions. [2022-11-18 19:36:45,269 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 270.0) internal successors, (810), 3 states have internal predecessors, (810), 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) [2022-11-18 19:36:45,272 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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) [2022-11-18 19:36:45,273 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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) [2022-11-18 19:36:45,278 INFO L175 Difference]: Start difference. First operand has 248 places, 247 transitions, 508 flow. Second operand 3 states and 810 transitions. [2022-11-18 19:36:45,278 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 246 transitions, 558 flow [2022-11-18 19:36:45,280 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 246 transitions, 554 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:36:45,283 INFO L231 Difference]: Finished difference. Result has 247 places, 246 transitions, 506 flow [2022-11-18 19:36:45,284 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=502, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=246, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=506, PETRI_PLACES=247, PETRI_TRANSITIONS=246} [2022-11-18 19:36:45,285 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -56 predicate places. [2022-11-18 19:36:45,285 INFO L495 AbstractCegarLoop]: Abstraction has has 247 places, 246 transitions, 506 flow [2022-11-18 19:36:45,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 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) [2022-11-18 19:36:45,286 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:36:45,286 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:36:45,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 19:36:45,287 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-18 19:36:45,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:36:45,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1998559029, now seen corresponding path program 1 times [2022-11-18 19:36:45,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:36:45,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238431545] [2022-11-18 19:36:45,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:36:45,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:36:45,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:36:45,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:36:45,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:36:45,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238431545] [2022-11-18 19:36:45,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238431545] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:36:45,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:36:45,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:36:45,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571136764] [2022-11-18 19:36:45,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:36:45,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:36:45,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:36:45,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:36:45,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:36:45,384 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 344 [2022-11-18 19:36:45,385 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 246 transitions, 506 flow. Second operand has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 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) [2022-11-18 19:36:45,385 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:36:45,386 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 344 [2022-11-18 19:36:45,386 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:36:45,606 INFO L130 PetriNetUnfolder]: 191/774 cut-off events. [2022-11-18 19:36:45,606 INFO L131 PetriNetUnfolder]: For 25/157 co-relation queries the response was YES. [2022-11-18 19:36:45,608 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1108 conditions, 774 events. 191/774 cut-off events. For 25/157 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3143 event pairs, 111 based on Foata normal form. 0/691 useless extension candidates. Maximal degree in co-relation 1051. Up to 289 conditions per place. [2022-11-18 19:36:45,612 INFO L137 encePairwiseOnDemand]: 341/344 looper letters, 24 selfloop transitions, 2 changer transitions 0/245 dead transitions. [2022-11-18 19:36:45,613 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 245 transitions, 556 flow [2022-11-18 19:36:45,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:36:45,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:36:45,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 810 transitions. [2022-11-18 19:36:45,615 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7848837209302325 [2022-11-18 19:36:45,615 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 810 transitions. [2022-11-18 19:36:45,616 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 810 transitions. [2022-11-18 19:36:45,616 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:36:45,616 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 810 transitions. [2022-11-18 19:36:45,618 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 270.0) internal successors, (810), 3 states have internal predecessors, (810), 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) [2022-11-18 19:36:45,621 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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) [2022-11-18 19:36:45,622 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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) [2022-11-18 19:36:45,622 INFO L175 Difference]: Start difference. First operand has 247 places, 246 transitions, 506 flow. Second operand 3 states and 810 transitions. [2022-11-18 19:36:45,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 245 transitions, 556 flow [2022-11-18 19:36:45,625 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 245 transitions, 552 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:36:45,628 INFO L231 Difference]: Finished difference. Result has 246 places, 245 transitions, 504 flow [2022-11-18 19:36:45,628 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=500, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=243, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=504, PETRI_PLACES=246, PETRI_TRANSITIONS=245} [2022-11-18 19:36:45,631 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -57 predicate places. [2022-11-18 19:36:45,631 INFO L495 AbstractCegarLoop]: Abstraction has has 246 places, 245 transitions, 504 flow [2022-11-18 19:36:45,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 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) [2022-11-18 19:36:45,632 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:36:45,633 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:36:45,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 19:36:45,633 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-18 19:36:45,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:36:45,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1776662543, now seen corresponding path program 1 times [2022-11-18 19:36:45,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:36:45,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704110024] [2022-11-18 19:36:45,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:36:45,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:36:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:36:45,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:36:45,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:36:45,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704110024] [2022-11-18 19:36:45,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704110024] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:36:45,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:36:45,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:36:45,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50006138] [2022-11-18 19:36:45,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:36:45,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:36:45,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:36:45,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:36:45,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:36:45,720 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 344 [2022-11-18 19:36:45,721 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 245 transitions, 504 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 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) [2022-11-18 19:36:45,721 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:36:45,721 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 344 [2022-11-18 19:36:45,721 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:36:45,942 INFO L130 PetriNetUnfolder]: 191/773 cut-off events. [2022-11-18 19:36:45,942 INFO L131 PetriNetUnfolder]: For 25/157 co-relation queries the response was YES. [2022-11-18 19:36:45,944 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1109 conditions, 773 events. 191/773 cut-off events. For 25/157 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3142 event pairs, 111 based on Foata normal form. 0/691 useless extension candidates. Maximal degree in co-relation 1045. Up to 291 conditions per place. [2022-11-18 19:36:45,949 INFO L137 encePairwiseOnDemand]: 341/344 looper letters, 26 selfloop transitions, 2 changer transitions 0/244 dead transitions. [2022-11-18 19:36:45,949 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 244 transitions, 558 flow [2022-11-18 19:36:45,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:36:45,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:36:45,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 803 transitions. [2022-11-18 19:36:45,951 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7781007751937985 [2022-11-18 19:36:45,951 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 803 transitions. [2022-11-18 19:36:45,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 803 transitions. [2022-11-18 19:36:45,952 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:36:45,952 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 803 transitions. [2022-11-18 19:36:45,954 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 267.6666666666667) internal successors, (803), 3 states have internal predecessors, (803), 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) [2022-11-18 19:36:45,957 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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) [2022-11-18 19:36:45,958 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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) [2022-11-18 19:36:45,958 INFO L175 Difference]: Start difference. First operand has 246 places, 245 transitions, 504 flow. Second operand 3 states and 803 transitions. [2022-11-18 19:36:45,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 244 transitions, 558 flow [2022-11-18 19:36:45,960 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 244 transitions, 554 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:36:45,963 INFO L231 Difference]: Finished difference. Result has 245 places, 244 transitions, 502 flow [2022-11-18 19:36:45,963 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=498, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=502, PETRI_PLACES=245, PETRI_TRANSITIONS=244} [2022-11-18 19:36:45,966 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -58 predicate places. [2022-11-18 19:36:45,966 INFO L495 AbstractCegarLoop]: Abstraction has has 245 places, 244 transitions, 502 flow [2022-11-18 19:36:45,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 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) [2022-11-18 19:36:45,968 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:36:45,968 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:36:45,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 19:36:45,968 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-18 19:36:45,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:36:45,970 INFO L85 PathProgramCache]: Analyzing trace with hash 414685706, now seen corresponding path program 1 times [2022-11-18 19:36:45,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:36:45,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355812381] [2022-11-18 19:36:45,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:36:45,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:36:45,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:36:46,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:36:46,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:36:46,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355812381] [2022-11-18 19:36:46,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355812381] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:36:46,041 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:36:46,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:36:46,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188638659] [2022-11-18 19:36:46,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:36:46,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:36:46,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:36:46,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:36:46,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:36:46,050 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 344 [2022-11-18 19:36:46,051 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 244 transitions, 502 flow. Second operand has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 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) [2022-11-18 19:36:46,051 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:36:46,051 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 344 [2022-11-18 19:36:46,051 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:36:46,239 INFO L130 PetriNetUnfolder]: 191/772 cut-off events. [2022-11-18 19:36:46,240 INFO L131 PetriNetUnfolder]: For 25/157 co-relation queries the response was YES. [2022-11-18 19:36:46,241 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1106 conditions, 772 events. 191/772 cut-off events. For 25/157 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3132 event pairs, 111 based on Foata normal form. 0/691 useless extension candidates. Maximal degree in co-relation 1035. Up to 289 conditions per place. [2022-11-18 19:36:46,245 INFO L137 encePairwiseOnDemand]: 341/344 looper letters, 24 selfloop transitions, 2 changer transitions 0/243 dead transitions. [2022-11-18 19:36:46,245 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 243 transitions, 552 flow [2022-11-18 19:36:46,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:36:46,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:36:46,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 810 transitions. [2022-11-18 19:36:46,248 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7848837209302325 [2022-11-18 19:36:46,249 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 810 transitions. [2022-11-18 19:36:46,249 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 810 transitions. [2022-11-18 19:36:46,249 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:36:46,249 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 810 transitions. [2022-11-18 19:36:46,251 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 270.0) internal successors, (810), 3 states have internal predecessors, (810), 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) [2022-11-18 19:36:46,255 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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) [2022-11-18 19:36:46,256 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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) [2022-11-18 19:36:46,256 INFO L175 Difference]: Start difference. First operand has 245 places, 244 transitions, 502 flow. Second operand 3 states and 810 transitions. [2022-11-18 19:36:46,256 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 243 transitions, 552 flow [2022-11-18 19:36:46,258 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 243 transitions, 548 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:36:46,261 INFO L231 Difference]: Finished difference. Result has 244 places, 243 transitions, 500 flow [2022-11-18 19:36:46,262 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=496, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=500, PETRI_PLACES=244, PETRI_TRANSITIONS=243} [2022-11-18 19:36:46,263 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -59 predicate places. [2022-11-18 19:36:46,263 INFO L495 AbstractCegarLoop]: Abstraction has has 244 places, 243 transitions, 500 flow [2022-11-18 19:36:46,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 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) [2022-11-18 19:36:46,264 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:36:46,264 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:36:46,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 19:36:46,264 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-18 19:36:46,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:36:46,265 INFO L85 PathProgramCache]: Analyzing trace with hash 596907041, now seen corresponding path program 1 times [2022-11-18 19:36:46,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:36:46,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179649576] [2022-11-18 19:36:46,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:36:46,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:36:46,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:36:46,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:36:46,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:36:46,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179649576] [2022-11-18 19:36:46,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179649576] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:36:46,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:36:46,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:36:46,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241722640] [2022-11-18 19:36:46,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:36:46,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:36:46,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:36:46,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:36:46,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:36:46,339 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 344 [2022-11-18 19:36:46,340 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 243 transitions, 500 flow. Second operand has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 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) [2022-11-18 19:36:46,340 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:36:46,340 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 344 [2022-11-18 19:36:46,340 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:36:46,557 INFO L130 PetriNetUnfolder]: 191/771 cut-off events. [2022-11-18 19:36:46,557 INFO L131 PetriNetUnfolder]: For 25/157 co-relation queries the response was YES. [2022-11-18 19:36:46,559 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1105 conditions, 771 events. 191/771 cut-off events. For 25/157 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3120 event pairs, 111 based on Foata normal form. 0/691 useless extension candidates. Maximal degree in co-relation 1027. Up to 289 conditions per place. [2022-11-18 19:36:46,564 INFO L137 encePairwiseOnDemand]: 341/344 looper letters, 24 selfloop transitions, 2 changer transitions 0/242 dead transitions. [2022-11-18 19:36:46,564 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 242 transitions, 550 flow [2022-11-18 19:36:46,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:36:46,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:36:46,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 810 transitions. [2022-11-18 19:36:46,567 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7848837209302325 [2022-11-18 19:36:46,567 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 810 transitions. [2022-11-18 19:36:46,567 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 810 transitions. [2022-11-18 19:36:46,568 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:36:46,568 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 810 transitions. [2022-11-18 19:36:46,570 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 270.0) internal successors, (810), 3 states have internal predecessors, (810), 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) [2022-11-18 19:36:46,573 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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) [2022-11-18 19:36:46,574 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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) [2022-11-18 19:36:46,574 INFO L175 Difference]: Start difference. First operand has 244 places, 243 transitions, 500 flow. Second operand 3 states and 810 transitions. [2022-11-18 19:36:46,574 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 242 transitions, 550 flow [2022-11-18 19:36:46,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 242 transitions, 546 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:36:46,580 INFO L231 Difference]: Finished difference. Result has 243 places, 242 transitions, 498 flow [2022-11-18 19:36:46,581 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=494, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=498, PETRI_PLACES=243, PETRI_TRANSITIONS=242} [2022-11-18 19:36:46,584 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -60 predicate places. [2022-11-18 19:36:46,584 INFO L495 AbstractCegarLoop]: Abstraction has has 243 places, 242 transitions, 498 flow [2022-11-18 19:36:46,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 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) [2022-11-18 19:36:46,585 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:36:46,585 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:36:46,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 19:36:46,585 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-18 19:36:46,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:36:46,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1466135010, now seen corresponding path program 1 times [2022-11-18 19:36:46,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:36:46,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717092834] [2022-11-18 19:36:46,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:36:46,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:36:46,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:36:46,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:36:46,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:36:46,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717092834] [2022-11-18 19:36:46,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717092834] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:36:46,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:36:46,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:36:46,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505022907] [2022-11-18 19:36:46,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:36:46,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:36:46,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:36:46,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:36:46,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:36:46,666 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 344 [2022-11-18 19:36:46,668 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 242 transitions, 498 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 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) [2022-11-18 19:36:46,668 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:36:46,668 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 344 [2022-11-18 19:36:46,668 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:36:46,876 INFO L130 PetriNetUnfolder]: 191/769 cut-off events. [2022-11-18 19:36:46,876 INFO L131 PetriNetUnfolder]: For 25/157 co-relation queries the response was YES. [2022-11-18 19:36:46,878 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1104 conditions, 769 events. 191/769 cut-off events. For 25/157 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3125 event pairs, 111 based on Foata normal form. 0/691 useless extension candidates. Maximal degree in co-relation 1018. Up to 289 conditions per place. [2022-11-18 19:36:46,882 INFO L137 encePairwiseOnDemand]: 341/344 looper letters, 26 selfloop transitions, 1 changer transitions 0/240 dead transitions. [2022-11-18 19:36:46,883 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 240 transitions, 548 flow [2022-11-18 19:36:46,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:36:46,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:36:46,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 803 transitions. [2022-11-18 19:36:46,885 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7781007751937985 [2022-11-18 19:36:46,885 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 803 transitions. [2022-11-18 19:36:46,885 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 803 transitions. [2022-11-18 19:36:46,886 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:36:46,886 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 803 transitions. [2022-11-18 19:36:46,888 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 267.6666666666667) internal successors, (803), 3 states have internal predecessors, (803), 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) [2022-11-18 19:36:46,890 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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) [2022-11-18 19:36:46,890 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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) [2022-11-18 19:36:46,891 INFO L175 Difference]: Start difference. First operand has 243 places, 242 transitions, 498 flow. Second operand 3 states and 803 transitions. [2022-11-18 19:36:46,891 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 240 transitions, 548 flow [2022-11-18 19:36:46,893 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 240 transitions, 544 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:36:46,896 INFO L231 Difference]: Finished difference. Result has 241 places, 240 transitions, 492 flow [2022-11-18 19:36:46,896 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=490, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=239, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=492, PETRI_PLACES=241, PETRI_TRANSITIONS=240} [2022-11-18 19:36:46,897 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -62 predicate places. [2022-11-18 19:36:46,897 INFO L495 AbstractCegarLoop]: Abstraction has has 241 places, 240 transitions, 492 flow [2022-11-18 19:36:46,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 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) [2022-11-18 19:36:46,898 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:36:46,898 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:36:46,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 19:36:46,898 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-18 19:36:46,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:36:46,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1460252275, now seen corresponding path program 1 times [2022-11-18 19:36:46,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:36:46,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380152572] [2022-11-18 19:36:46,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:36:46,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:36:46,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:36:46,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:36:46,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:36:46,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380152572] [2022-11-18 19:36:46,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380152572] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:36:46,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:36:46,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:36:46,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833838720] [2022-11-18 19:36:46,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:36:46,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:36:46,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:36:46,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:36:46,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:36:46,998 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 344 [2022-11-18 19:36:46,999 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 240 transitions, 492 flow. Second operand has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 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) [2022-11-18 19:36:46,999 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:36:47,000 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 344 [2022-11-18 19:36:47,000 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:36:47,187 INFO L130 PetriNetUnfolder]: 191/768 cut-off events. [2022-11-18 19:36:47,187 INFO L131 PetriNetUnfolder]: For 25/157 co-relation queries the response was YES. [2022-11-18 19:36:47,189 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1101 conditions, 768 events. 191/768 cut-off events. For 25/157 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3112 event pairs, 111 based on Foata normal form. 0/691 useless extension candidates. Maximal degree in co-relation 1016. Up to 289 conditions per place. [2022-11-18 19:36:47,193 INFO L137 encePairwiseOnDemand]: 341/344 looper letters, 24 selfloop transitions, 2 changer transitions 0/239 dead transitions. [2022-11-18 19:36:47,193 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 239 transitions, 542 flow [2022-11-18 19:36:47,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:36:47,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:36:47,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 810 transitions. [2022-11-18 19:36:47,196 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7848837209302325 [2022-11-18 19:36:47,196 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 810 transitions. [2022-11-18 19:36:47,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 810 transitions. [2022-11-18 19:36:47,197 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:36:47,197 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 810 transitions. [2022-11-18 19:36:47,199 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 270.0) internal successors, (810), 3 states have internal predecessors, (810), 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) [2022-11-18 19:36:47,201 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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) [2022-11-18 19:36:47,202 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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) [2022-11-18 19:36:47,202 INFO L175 Difference]: Start difference. First operand has 241 places, 240 transitions, 492 flow. Second operand 3 states and 810 transitions. [2022-11-18 19:36:47,202 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 239 transitions, 542 flow [2022-11-18 19:36:47,204 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 239 transitions, 541 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 19:36:47,207 INFO L231 Difference]: Finished difference. Result has 241 places, 239 transitions, 493 flow [2022-11-18 19:36:47,208 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=489, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=493, PETRI_PLACES=241, PETRI_TRANSITIONS=239} [2022-11-18 19:36:47,209 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -62 predicate places. [2022-11-18 19:36:47,209 INFO L495 AbstractCegarLoop]: Abstraction has has 241 places, 239 transitions, 493 flow [2022-11-18 19:36:47,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 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) [2022-11-18 19:36:47,209 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:36:47,210 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:36:47,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 19:36:47,210 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-18 19:36:47,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:36:47,211 INFO L85 PathProgramCache]: Analyzing trace with hash -474602372, now seen corresponding path program 1 times [2022-11-18 19:36:47,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:36:47,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264590027] [2022-11-18 19:36:47,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:36:47,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:36:47,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:36:47,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:36:47,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:36:47,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264590027] [2022-11-18 19:36:47,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264590027] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:36:47,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:36:47,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 19:36:47,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793919574] [2022-11-18 19:36:47,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:36:47,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:36:47,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:36:47,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:36:47,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:36:47,756 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 344 [2022-11-18 19:36:47,758 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 239 transitions, 493 flow. Second operand has 6 states, 6 states have (on average 221.83333333333334) internal successors, (1331), 6 states have internal predecessors, (1331), 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) [2022-11-18 19:36:47,758 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:36:47,758 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 344 [2022-11-18 19:36:47,758 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:36:50,822 INFO L130 PetriNetUnfolder]: 9005/12604 cut-off events. [2022-11-18 19:36:50,822 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-18 19:36:50,846 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24476 conditions, 12604 events. 9005/12604 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 549. Compared 69558 event pairs, 6801 based on Foata normal form. 0/11649 useless extension candidates. Maximal degree in co-relation 24392. Up to 11655 conditions per place. [2022-11-18 19:36:50,919 INFO L137 encePairwiseOnDemand]: 338/344 looper letters, 56 selfloop transitions, 5 changer transitions 0/238 dead transitions. [2022-11-18 19:36:50,919 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 238 transitions, 613 flow [2022-11-18 19:36:50,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:36:50,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 19:36:50,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1382 transitions. [2022-11-18 19:36:50,924 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6695736434108527 [2022-11-18 19:36:50,924 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1382 transitions. [2022-11-18 19:36:50,924 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1382 transitions. [2022-11-18 19:36:50,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:36:50,925 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1382 transitions. [2022-11-18 19:36:50,928 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 230.33333333333334) internal successors, (1382), 6 states have internal predecessors, (1382), 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) [2022-11-18 19:36:50,931 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 344.0) internal successors, (2408), 7 states have internal predecessors, (2408), 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) [2022-11-18 19:36:50,932 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 344.0) internal successors, (2408), 7 states have internal predecessors, (2408), 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) [2022-11-18 19:36:50,933 INFO L175 Difference]: Start difference. First operand has 241 places, 239 transitions, 493 flow. Second operand 6 states and 1382 transitions. [2022-11-18 19:36:50,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 238 transitions, 613 flow [2022-11-18 19:36:50,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 238 transitions, 609 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:36:50,939 INFO L231 Difference]: Finished difference. Result has 243 places, 238 transitions, 497 flow [2022-11-18 19:36:50,940 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=487, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=497, PETRI_PLACES=243, PETRI_TRANSITIONS=238} [2022-11-18 19:36:50,941 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -60 predicate places. [2022-11-18 19:36:50,941 INFO L495 AbstractCegarLoop]: Abstraction has has 243 places, 238 transitions, 497 flow [2022-11-18 19:36:50,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 221.83333333333334) internal successors, (1331), 6 states have internal predecessors, (1331), 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) [2022-11-18 19:36:50,942 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:36:50,942 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:36:50,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 19:36:50,943 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-18 19:36:50,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:36:50,943 INFO L85 PathProgramCache]: Analyzing trace with hash 2144490797, now seen corresponding path program 1 times [2022-11-18 19:36:50,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:36:50,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77164600] [2022-11-18 19:36:50,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:36:50,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:36:50,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:36:51,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:36:51,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:36:51,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77164600] [2022-11-18 19:36:51,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77164600] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:36:51,586 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:36:51,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 19:36:51,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770600202] [2022-11-18 19:36:51,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:36:51,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:36:51,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:36:51,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:36:51,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:36:51,590 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 344 [2022-11-18 19:36:51,591 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 238 transitions, 497 flow. Second operand has 6 states, 6 states have (on average 226.83333333333334) internal successors, (1361), 6 states have internal predecessors, (1361), 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) [2022-11-18 19:36:51,591 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:36:51,592 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 344 [2022-11-18 19:36:51,592 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:36:54,654 INFO L130 PetriNetUnfolder]: 9005/12223 cut-off events. [2022-11-18 19:36:54,657 INFO L131 PetriNetUnfolder]: For 85/105 co-relation queries the response was YES. [2022-11-18 19:36:54,684 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24090 conditions, 12223 events. 9005/12223 cut-off events. For 85/105 co-relation queries the response was YES. Maximal size of possible extension queue 526. Compared 67243 event pairs, 1810 based on Foata normal form. 16/11680 useless extension candidates. Maximal degree in co-relation 24067. Up to 3377 conditions per place. [2022-11-18 19:36:54,746 INFO L137 encePairwiseOnDemand]: 339/344 looper letters, 165 selfloop transitions, 4 changer transitions 0/353 dead transitions. [2022-11-18 19:36:54,746 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 353 transitions, 1089 flow [2022-11-18 19:36:54,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:36:54,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 19:36:54,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1520 transitions. [2022-11-18 19:36:54,750 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7364341085271318 [2022-11-18 19:36:54,751 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1520 transitions. [2022-11-18 19:36:54,751 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1520 transitions. [2022-11-18 19:36:54,752 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:36:54,752 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1520 transitions. [2022-11-18 19:36:54,755 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 253.33333333333334) internal successors, (1520), 6 states have internal predecessors, (1520), 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) [2022-11-18 19:36:54,758 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 344.0) internal successors, (2408), 7 states have internal predecessors, (2408), 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) [2022-11-18 19:36:54,775 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 344.0) internal successors, (2408), 7 states have internal predecessors, (2408), 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) [2022-11-18 19:36:54,775 INFO L175 Difference]: Start difference. First operand has 243 places, 238 transitions, 497 flow. Second operand 6 states and 1520 transitions. [2022-11-18 19:36:54,775 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 353 transitions, 1089 flow [2022-11-18 19:36:54,777 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 353 transitions, 1079 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-18 19:36:54,781 INFO L231 Difference]: Finished difference. Result has 242 places, 237 transitions, 493 flow [2022-11-18 19:36:54,782 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=485, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=493, PETRI_PLACES=242, PETRI_TRANSITIONS=237} [2022-11-18 19:36:54,782 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -61 predicate places. [2022-11-18 19:36:54,782 INFO L495 AbstractCegarLoop]: Abstraction has has 242 places, 237 transitions, 493 flow [2022-11-18 19:36:54,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 226.83333333333334) internal successors, (1361), 6 states have internal predecessors, (1361), 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) [2022-11-18 19:36:54,785 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:36:54,785 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:36:54,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-18 19:36:54,786 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-18 19:36:54,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:36:54,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1474171319, now seen corresponding path program 1 times [2022-11-18 19:36:54,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:36:54,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110775206] [2022-11-18 19:36:54,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:36:54,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:36:54,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:36:55,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:36:55,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:36:55,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110775206] [2022-11-18 19:36:55,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110775206] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:36:55,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:36:55,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 19:36:55,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182699533] [2022-11-18 19:36:55,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:36:55,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:36:55,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:36:55,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:36:55,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:36:55,331 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 344 [2022-11-18 19:36:55,332 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 237 transitions, 493 flow. Second operand has 6 states, 6 states have (on average 228.0) internal successors, (1368), 6 states have internal predecessors, (1368), 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) [2022-11-18 19:36:55,332 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:36:55,333 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 344 [2022-11-18 19:36:55,333 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:36:57,704 INFO L130 PetriNetUnfolder]: 7885/10967 cut-off events. [2022-11-18 19:36:57,704 INFO L131 PetriNetUnfolder]: For 1355/1355 co-relation queries the response was YES. [2022-11-18 19:36:57,718 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22938 conditions, 10967 events. 7885/10967 cut-off events. For 1355/1355 co-relation queries the response was YES. Maximal size of possible extension queue 443. Compared 57123 event pairs, 1461 based on Foata normal form. 0/10672 useless extension candidates. Maximal degree in co-relation 22854. Up to 4395 conditions per place. [2022-11-18 19:36:57,782 INFO L137 encePairwiseOnDemand]: 338/344 looper letters, 112 selfloop transitions, 5 changer transitions 0/300 dead transitions. [2022-11-18 19:36:57,783 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 300 transitions, 889 flow [2022-11-18 19:36:57,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:36:57,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 19:36:57,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1474 transitions. [2022-11-18 19:36:57,787 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7141472868217055 [2022-11-18 19:36:57,788 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1474 transitions. [2022-11-18 19:36:57,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1474 transitions. [2022-11-18 19:36:57,789 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:36:57,789 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1474 transitions. [2022-11-18 19:36:57,793 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 245.66666666666666) internal successors, (1474), 6 states have internal predecessors, (1474), 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) [2022-11-18 19:36:57,797 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 344.0) internal successors, (2408), 7 states have internal predecessors, (2408), 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) [2022-11-18 19:36:57,798 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 344.0) internal successors, (2408), 7 states have internal predecessors, (2408), 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) [2022-11-18 19:36:57,798 INFO L175 Difference]: Start difference. First operand has 242 places, 237 transitions, 493 flow. Second operand 6 states and 1474 transitions. [2022-11-18 19:36:57,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 300 transitions, 889 flow [2022-11-18 19:36:57,802 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 300 transitions, 854 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 19:36:57,806 INFO L231 Difference]: Finished difference. Result has 242 places, 236 transitions, 494 flow [2022-11-18 19:36:57,807 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=484, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=236, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=494, PETRI_PLACES=242, PETRI_TRANSITIONS=236} [2022-11-18 19:36:57,807 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -61 predicate places. [2022-11-18 19:36:57,808 INFO L495 AbstractCegarLoop]: Abstraction has has 242 places, 236 transitions, 494 flow [2022-11-18 19:36:57,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 228.0) internal successors, (1368), 6 states have internal predecessors, (1368), 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) [2022-11-18 19:36:57,808 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:36:57,809 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:36:57,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-18 19:36:57,809 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-18 19:36:57,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:36:57,810 INFO L85 PathProgramCache]: Analyzing trace with hash -981663402, now seen corresponding path program 1 times [2022-11-18 19:36:57,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:36:57,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992711212] [2022-11-18 19:36:57,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:36:57,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:36:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:36:58,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:36:58,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:36:58,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992711212] [2022-11-18 19:36:58,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992711212] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:36:58,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:36:58,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 19:36:58,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653106915] [2022-11-18 19:36:58,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:36:58,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:36:58,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:36:58,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:36:58,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:36:58,582 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 344 [2022-11-18 19:36:58,583 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 236 transitions, 494 flow. Second operand has 6 states, 6 states have (on average 229.16666666666666) internal successors, (1375), 6 states have internal predecessors, (1375), 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) [2022-11-18 19:36:58,583 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:36:58,584 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 344 [2022-11-18 19:36:58,584 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:37:00,530 INFO L130 PetriNetUnfolder]: 7195/10508 cut-off events. [2022-11-18 19:37:00,530 INFO L131 PetriNetUnfolder]: For 403/403 co-relation queries the response was YES. [2022-11-18 19:37:00,556 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21376 conditions, 10508 events. 7195/10508 cut-off events. For 403/403 co-relation queries the response was YES. Maximal size of possible extension queue 418. Compared 59489 event pairs, 4527 based on Foata normal form. 0/10099 useless extension candidates. Maximal degree in co-relation 21292. Up to 7814 conditions per place. [2022-11-18 19:37:00,616 INFO L137 encePairwiseOnDemand]: 338/344 looper letters, 99 selfloop transitions, 5 changer transitions 0/287 dead transitions. [2022-11-18 19:37:00,617 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 287 transitions, 812 flow [2022-11-18 19:37:00,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:37:00,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 19:37:00,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1461 transitions. [2022-11-18 19:37:00,622 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7078488372093024 [2022-11-18 19:37:00,622 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1461 transitions. [2022-11-18 19:37:00,622 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1461 transitions. [2022-11-18 19:37:00,623 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:37:00,623 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1461 transitions. [2022-11-18 19:37:00,627 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 243.5) internal successors, (1461), 6 states have internal predecessors, (1461), 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) [2022-11-18 19:37:00,631 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 344.0) internal successors, (2408), 7 states have internal predecessors, (2408), 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) [2022-11-18 19:37:00,632 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 344.0) internal successors, (2408), 7 states have internal predecessors, (2408), 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) [2022-11-18 19:37:00,632 INFO L175 Difference]: Start difference. First operand has 242 places, 236 transitions, 494 flow. Second operand 6 states and 1461 transitions. [2022-11-18 19:37:00,632 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 287 transitions, 812 flow [2022-11-18 19:37:00,643 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 287 transitions, 802 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-18 19:37:00,647 INFO L231 Difference]: Finished difference. Result has 241 places, 235 transitions, 492 flow [2022-11-18 19:37:00,648 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=482, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=492, PETRI_PLACES=241, PETRI_TRANSITIONS=235} [2022-11-18 19:37:00,648 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -62 predicate places. [2022-11-18 19:37:00,649 INFO L495 AbstractCegarLoop]: Abstraction has has 241 places, 235 transitions, 492 flow [2022-11-18 19:37:00,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 229.16666666666666) internal successors, (1375), 6 states have internal predecessors, (1375), 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) [2022-11-18 19:37:00,650 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:37:00,650 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:37:00,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-18 19:37:00,650 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-18 19:37:00,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:37:00,651 INFO L85 PathProgramCache]: Analyzing trace with hash 400019719, now seen corresponding path program 1 times [2022-11-18 19:37:00,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:37:00,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524054716] [2022-11-18 19:37:00,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:37:00,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:37:00,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:01,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:37:01,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:37:01,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524054716] [2022-11-18 19:37:01,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524054716] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:37:01,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:37:01,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 19:37:01,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45884140] [2022-11-18 19:37:01,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:37:01,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:37:01,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:37:01,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:37:01,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:37:01,462 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 344 [2022-11-18 19:37:01,464 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 235 transitions, 492 flow. Second operand has 6 states, 6 states have (on average 230.66666666666666) internal successors, (1384), 6 states have internal predecessors, (1384), 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) [2022-11-18 19:37:01,464 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:37:01,464 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 344 [2022-11-18 19:37:01,464 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:37:03,729 INFO L130 PetriNetUnfolder]: 6842/9806 cut-off events. [2022-11-18 19:37:03,730 INFO L131 PetriNetUnfolder]: For 82/82 co-relation queries the response was YES. [2022-11-18 19:37:03,747 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19548 conditions, 9806 events. 6842/9806 cut-off events. For 82/82 co-relation queries the response was YES. Maximal size of possible extension queue 415. Compared 53309 event pairs, 5129 based on Foata normal form. 0/9610 useless extension candidates. Maximal degree in co-relation 19462. Up to 8865 conditions per place. [2022-11-18 19:37:03,784 INFO L137 encePairwiseOnDemand]: 339/344 looper letters, 62 selfloop transitions, 4 changer transitions 0/250 dead transitions. [2022-11-18 19:37:03,784 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 250 transitions, 654 flow [2022-11-18 19:37:03,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:37:03,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 19:37:03,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1417 transitions. [2022-11-18 19:37:03,788 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.686531007751938 [2022-11-18 19:37:03,788 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1417 transitions. [2022-11-18 19:37:03,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1417 transitions. [2022-11-18 19:37:03,789 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:37:03,790 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1417 transitions. [2022-11-18 19:37:03,793 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 236.16666666666666) internal successors, (1417), 6 states have internal predecessors, (1417), 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) [2022-11-18 19:37:03,796 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 344.0) internal successors, (2408), 7 states have internal predecessors, (2408), 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) [2022-11-18 19:37:03,797 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 344.0) internal successors, (2408), 7 states have internal predecessors, (2408), 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) [2022-11-18 19:37:03,798 INFO L175 Difference]: Start difference. First operand has 241 places, 235 transitions, 492 flow. Second operand 6 states and 1417 transitions. [2022-11-18 19:37:03,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 250 transitions, 654 flow [2022-11-18 19:37:03,803 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 250 transitions, 644 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-18 19:37:03,806 INFO L231 Difference]: Finished difference. Result has 240 places, 234 transitions, 488 flow [2022-11-18 19:37:03,807 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=480, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=234, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=488, PETRI_PLACES=240, PETRI_TRANSITIONS=234} [2022-11-18 19:37:03,807 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -63 predicate places. [2022-11-18 19:37:03,807 INFO L495 AbstractCegarLoop]: Abstraction has has 240 places, 234 transitions, 488 flow [2022-11-18 19:37:03,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 230.66666666666666) internal successors, (1384), 6 states have internal predecessors, (1384), 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) [2022-11-18 19:37:03,808 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:37:03,809 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:37:03,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-18 19:37:03,809 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-18 19:37:03,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:37:03,809 INFO L85 PathProgramCache]: Analyzing trace with hash 426659223, now seen corresponding path program 1 times [2022-11-18 19:37:03,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:37:03,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439936745] [2022-11-18 19:37:03,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:37:03,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:37:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:03,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:37:03,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:37:03,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439936745] [2022-11-18 19:37:03,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439936745] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:37:03,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:37:03,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:37:03,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228201256] [2022-11-18 19:37:03,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:37:03,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:37:03,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:37:03,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:37:03,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:37:03,904 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 344 [2022-11-18 19:37:03,904 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 234 transitions, 488 flow. Second operand has 3 states, 3 states have (on average 266.6666666666667) internal successors, (800), 3 states have internal predecessors, (800), 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) [2022-11-18 19:37:03,905 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:37:03,905 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 344 [2022-11-18 19:37:03,905 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:37:04,063 INFO L130 PetriNetUnfolder]: 191/744 cut-off events. [2022-11-18 19:37:04,064 INFO L131 PetriNetUnfolder]: For 25/157 co-relation queries the response was YES. [2022-11-18 19:37:04,066 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1093 conditions, 744 events. 191/744 cut-off events. For 25/157 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2920 event pairs, 111 based on Foata normal form. 0/691 useless extension candidates. Maximal degree in co-relation 1045. Up to 288 conditions per place. [2022-11-18 19:37:04,069 INFO L137 encePairwiseOnDemand]: 342/344 looper letters, 24 selfloop transitions, 1 changer transitions 0/233 dead transitions. [2022-11-18 19:37:04,069 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 233 transitions, 536 flow [2022-11-18 19:37:04,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:37:04,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:37:04,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 809 transitions. [2022-11-18 19:37:04,072 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7839147286821705 [2022-11-18 19:37:04,072 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 809 transitions. [2022-11-18 19:37:04,072 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 809 transitions. [2022-11-18 19:37:04,073 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:37:04,073 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 809 transitions. [2022-11-18 19:37:04,075 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 269.6666666666667) internal successors, (809), 3 states have internal predecessors, (809), 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) [2022-11-18 19:37:04,077 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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) [2022-11-18 19:37:04,078 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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) [2022-11-18 19:37:04,078 INFO L175 Difference]: Start difference. First operand has 240 places, 234 transitions, 488 flow. Second operand 3 states and 809 transitions. [2022-11-18 19:37:04,078 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 233 transitions, 536 flow [2022-11-18 19:37:04,080 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 233 transitions, 529 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 19:37:04,083 INFO L231 Difference]: Finished difference. Result has 237 places, 233 transitions, 481 flow [2022-11-18 19:37:04,084 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=479, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=481, PETRI_PLACES=237, PETRI_TRANSITIONS=233} [2022-11-18 19:37:04,084 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -66 predicate places. [2022-11-18 19:37:04,085 INFO L495 AbstractCegarLoop]: Abstraction has has 237 places, 233 transitions, 481 flow [2022-11-18 19:37:04,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 266.6666666666667) internal successors, (800), 3 states have internal predecessors, (800), 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) [2022-11-18 19:37:04,085 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:37:04,086 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:37:04,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-18 19:37:04,086 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-18 19:37:04,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:37:04,087 INFO L85 PathProgramCache]: Analyzing trace with hash -140194739, now seen corresponding path program 1 times [2022-11-18 19:37:04,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:37:04,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854591321] [2022-11-18 19:37:04,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:37:04,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:37:04,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:04,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:37:04,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:37:04,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854591321] [2022-11-18 19:37:04,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854591321] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:37:04,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:37:04,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:37:04,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911302139] [2022-11-18 19:37:04,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:37:04,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:37:04,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:37:04,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:37:04,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:37:04,197 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 344 [2022-11-18 19:37:04,198 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 233 transitions, 481 flow. Second operand has 3 states, 3 states have (on average 266.6666666666667) internal successors, (800), 3 states have internal predecessors, (800), 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) [2022-11-18 19:37:04,198 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:37:04,198 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 344 [2022-11-18 19:37:04,199 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:37:04,343 INFO L130 PetriNetUnfolder]: 191/743 cut-off events. [2022-11-18 19:37:04,343 INFO L131 PetriNetUnfolder]: For 25/157 co-relation queries the response was YES. [2022-11-18 19:37:04,345 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1080 conditions, 743 events. 191/743 cut-off events. For 25/157 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2920 event pairs, 111 based on Foata normal form. 1/691 useless extension candidates. Maximal degree in co-relation 1072. Up to 288 conditions per place. [2022-11-18 19:37:04,346 INFO L137 encePairwiseOnDemand]: 342/344 looper letters, 0 selfloop transitions, 0 changer transitions 232/232 dead transitions. [2022-11-18 19:37:04,346 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 232 transitions, 527 flow [2022-11-18 19:37:04,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:37:04,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:37:04,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 808 transitions. [2022-11-18 19:37:04,349 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7829457364341085 [2022-11-18 19:37:04,349 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 808 transitions. [2022-11-18 19:37:04,349 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 808 transitions. [2022-11-18 19:37:04,350 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:37:04,350 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 808 transitions. [2022-11-18 19:37:04,352 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 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) [2022-11-18 19:37:04,354 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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) [2022-11-18 19:37:04,354 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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) [2022-11-18 19:37:04,354 INFO L175 Difference]: Start difference. First operand has 237 places, 233 transitions, 481 flow. Second operand 3 states and 808 transitions. [2022-11-18 19:37:04,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 232 transitions, 527 flow [2022-11-18 19:37:04,356 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 232 transitions, 526 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 19:37:04,358 INFO L231 Difference]: Finished difference. Result has 237 places, 0 transitions, 0 flow [2022-11-18 19:37:04,358 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=478, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=237, PETRI_TRANSITIONS=0} [2022-11-18 19:37:04,359 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -66 predicate places. [2022-11-18 19:37:04,359 INFO L495 AbstractCegarLoop]: Abstraction has has 237 places, 0 transitions, 0 flow [2022-11-18 19:37:04,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 266.6666666666667) internal successors, (800), 3 states have internal predecessors, (800), 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) [2022-11-18 19:37:04,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (111 of 112 remaining) [2022-11-18 19:37:04,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (110 of 112 remaining) [2022-11-18 19:37:04,365 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (109 of 112 remaining) [2022-11-18 19:37:04,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (108 of 112 remaining) [2022-11-18 19:37:04,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (107 of 112 remaining) [2022-11-18 19:37:04,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (106 of 112 remaining) [2022-11-18 19:37:04,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (105 of 112 remaining) [2022-11-18 19:37:04,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (104 of 112 remaining) [2022-11-18 19:37:04,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (103 of 112 remaining) [2022-11-18 19:37:04,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (102 of 112 remaining) [2022-11-18 19:37:04,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (101 of 112 remaining) [2022-11-18 19:37:04,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (100 of 112 remaining) [2022-11-18 19:37:04,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (99 of 112 remaining) [2022-11-18 19:37:04,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (98 of 112 remaining) [2022-11-18 19:37:04,368 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (97 of 112 remaining) [2022-11-18 19:37:04,368 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (96 of 112 remaining) [2022-11-18 19:37:04,368 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (95 of 112 remaining) [2022-11-18 19:37:04,368 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (94 of 112 remaining) [2022-11-18 19:37:04,368 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (93 of 112 remaining) [2022-11-18 19:37:04,369 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (92 of 112 remaining) [2022-11-18 19:37:04,369 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (91 of 112 remaining) [2022-11-18 19:37:04,369 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (90 of 112 remaining) [2022-11-18 19:37:04,369 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (89 of 112 remaining) [2022-11-18 19:37:04,369 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (88 of 112 remaining) [2022-11-18 19:37:04,369 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (87 of 112 remaining) [2022-11-18 19:37:04,370 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (86 of 112 remaining) [2022-11-18 19:37:04,370 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (85 of 112 remaining) [2022-11-18 19:37:04,370 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (84 of 112 remaining) [2022-11-18 19:37:04,370 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (83 of 112 remaining) [2022-11-18 19:37:04,370 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (82 of 112 remaining) [2022-11-18 19:37:04,371 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (81 of 112 remaining) [2022-11-18 19:37:04,371 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (80 of 112 remaining) [2022-11-18 19:37:04,371 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (79 of 112 remaining) [2022-11-18 19:37:04,371 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (78 of 112 remaining) [2022-11-18 19:37:04,371 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (77 of 112 remaining) [2022-11-18 19:37:04,371 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (76 of 112 remaining) [2022-11-18 19:37:04,372 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (75 of 112 remaining) [2022-11-18 19:37:04,372 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (74 of 112 remaining) [2022-11-18 19:37:04,372 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (73 of 112 remaining) [2022-11-18 19:37:04,372 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (72 of 112 remaining) [2022-11-18 19:37:04,372 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (71 of 112 remaining) [2022-11-18 19:37:04,372 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (70 of 112 remaining) [2022-11-18 19:37:04,373 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (69 of 112 remaining) [2022-11-18 19:37:04,373 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (68 of 112 remaining) [2022-11-18 19:37:04,373 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (67 of 112 remaining) [2022-11-18 19:37:04,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (66 of 112 remaining) [2022-11-18 19:37:04,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (65 of 112 remaining) [2022-11-18 19:37:04,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (64 of 112 remaining) [2022-11-18 19:37:04,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (63 of 112 remaining) [2022-11-18 19:37:04,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (62 of 112 remaining) [2022-11-18 19:37:04,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (61 of 112 remaining) [2022-11-18 19:37:04,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (60 of 112 remaining) [2022-11-18 19:37:04,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (59 of 112 remaining) [2022-11-18 19:37:04,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (58 of 112 remaining) [2022-11-18 19:37:04,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (57 of 112 remaining) [2022-11-18 19:37:04,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (56 of 112 remaining) [2022-11-18 19:37:04,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (55 of 112 remaining) [2022-11-18 19:37:04,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (54 of 112 remaining) [2022-11-18 19:37:04,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (53 of 112 remaining) [2022-11-18 19:37:04,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (52 of 112 remaining) [2022-11-18 19:37:04,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (51 of 112 remaining) [2022-11-18 19:37:04,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (50 of 112 remaining) [2022-11-18 19:37:04,377 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (49 of 112 remaining) [2022-11-18 19:37:04,377 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (48 of 112 remaining) [2022-11-18 19:37:04,377 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (47 of 112 remaining) [2022-11-18 19:37:04,377 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (46 of 112 remaining) [2022-11-18 19:37:04,377 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (45 of 112 remaining) [2022-11-18 19:37:04,377 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (44 of 112 remaining) [2022-11-18 19:37:04,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (43 of 112 remaining) [2022-11-18 19:37:04,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork2Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (42 of 112 remaining) [2022-11-18 19:37:04,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork2Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (41 of 112 remaining) [2022-11-18 19:37:04,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (40 of 112 remaining) [2022-11-18 19:37:04,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (39 of 112 remaining) [2022-11-18 19:37:04,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (38 of 112 remaining) [2022-11-18 19:37:04,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (37 of 112 remaining) [2022-11-18 19:37:04,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (36 of 112 remaining) [2022-11-18 19:37:04,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (35 of 112 remaining) [2022-11-18 19:37:04,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (34 of 112 remaining) [2022-11-18 19:37:04,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (33 of 112 remaining) [2022-11-18 19:37:04,380 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (32 of 112 remaining) [2022-11-18 19:37:04,380 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (31 of 112 remaining) [2022-11-18 19:37:04,380 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (30 of 112 remaining) [2022-11-18 19:37:04,380 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (29 of 112 remaining) [2022-11-18 19:37:04,380 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (28 of 112 remaining) [2022-11-18 19:37:04,381 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (27 of 112 remaining) [2022-11-18 19:37:04,381 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (26 of 112 remaining) [2022-11-18 19:37:04,381 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (25 of 112 remaining) [2022-11-18 19:37:04,381 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (24 of 112 remaining) [2022-11-18 19:37:04,381 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (23 of 112 remaining) [2022-11-18 19:37:04,381 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (22 of 112 remaining) [2022-11-18 19:37:04,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (21 of 112 remaining) [2022-11-18 19:37:04,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (20 of 112 remaining) [2022-11-18 19:37:04,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (19 of 112 remaining) [2022-11-18 19:37:04,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (18 of 112 remaining) [2022-11-18 19:37:04,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (17 of 112 remaining) [2022-11-18 19:37:04,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (16 of 112 remaining) [2022-11-18 19:37:04,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (15 of 112 remaining) [2022-11-18 19:37:04,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (14 of 112 remaining) [2022-11-18 19:37:04,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (13 of 112 remaining) [2022-11-18 19:37:04,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (12 of 112 remaining) [2022-11-18 19:37:04,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (11 of 112 remaining) [2022-11-18 19:37:04,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (10 of 112 remaining) [2022-11-18 19:37:04,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (9 of 112 remaining) [2022-11-18 19:37:04,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (8 of 112 remaining) [2022-11-18 19:37:04,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (7 of 112 remaining) [2022-11-18 19:37:04,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (6 of 112 remaining) [2022-11-18 19:37:04,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (5 of 112 remaining) [2022-11-18 19:37:04,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (4 of 112 remaining) [2022-11-18 19:37:04,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (3 of 112 remaining) [2022-11-18 19:37:04,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (2 of 112 remaining) [2022-11-18 19:37:04,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (1 of 112 remaining) [2022-11-18 19:37:04,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (0 of 112 remaining) [2022-11-18 19:37:04,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-18 19:37:04,386 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:37:04,393 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-18 19:37:04,393 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 19:37:04,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 07:37:04 BasicIcfg [2022-11-18 19:37:04,400 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 19:37:04,400 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 19:37:04,400 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 19:37:04,400 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 19:37:04,401 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:36:42" (3/4) ... [2022-11-18 19:37:04,404 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 19:37:04,409 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-18 19:37:04,410 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-18 19:37:04,410 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-18 19:37:04,410 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2022-11-18 19:37:04,417 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-11-18 19:37:04,417 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-18 19:37:04,418 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 19:37:04,418 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 19:37:04,483 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232a93d1-819b-4670-858f-7d6c3efbf400/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 19:37:04,483 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 19:37:04,485 INFO L158 Benchmark]: Toolchain (without parser) took 23983.90ms. Allocated memory was 102.8MB in the beginning and 3.4GB in the end (delta: 3.3GB). Free memory was 57.1MB in the beginning and 2.7GB in the end (delta: -2.6GB). Peak memory consumption was 698.4MB. Max. memory is 16.1GB. [2022-11-18 19:37:04,485 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 102.8MB. Free memory was 73.8MB in the beginning and 73.7MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:37:04,485 INFO L158 Benchmark]: CACSL2BoogieTranslator took 476.40ms. Allocated memory is still 102.8MB. Free memory was 56.9MB in the beginning and 74.0MB in the end (delta: -17.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 19:37:04,486 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.88ms. Allocated memory is still 102.8MB. Free memory was 74.0MB in the beginning and 70.6MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 19:37:04,486 INFO L158 Benchmark]: Boogie Preprocessor took 46.44ms. Allocated memory is still 102.8MB. Free memory was 70.6MB in the beginning and 67.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 19:37:04,486 INFO L158 Benchmark]: RCFGBuilder took 1563.77ms. Allocated memory was 102.8MB in the beginning and 127.9MB in the end (delta: 25.2MB). Free memory was 67.7MB in the beginning and 52.0MB in the end (delta: 15.8MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. [2022-11-18 19:37:04,487 INFO L158 Benchmark]: TraceAbstraction took 21739.75ms. Allocated memory was 127.9MB in the beginning and 3.4GB in the end (delta: 3.3GB). Free memory was 51.2MB in the beginning and 2.7GB in the end (delta: -2.7GB). Peak memory consumption was 663.7MB. Max. memory is 16.1GB. [2022-11-18 19:37:04,487 INFO L158 Benchmark]: Witness Printer took 83.44ms. Allocated memory is still 3.4GB. Free memory was 2.7GB in the beginning and 2.7GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 19:37:04,491 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 102.8MB. Free memory was 73.8MB in the beginning and 73.7MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 476.40ms. Allocated memory is still 102.8MB. Free memory was 56.9MB in the beginning and 74.0MB in the end (delta: -17.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.88ms. Allocated memory is still 102.8MB. Free memory was 74.0MB in the beginning and 70.6MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.44ms. Allocated memory is still 102.8MB. Free memory was 70.6MB in the beginning and 67.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1563.77ms. Allocated memory was 102.8MB in the beginning and 127.9MB in the end (delta: 25.2MB). Free memory was 67.7MB in the beginning and 52.0MB in the end (delta: 15.8MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. * TraceAbstraction took 21739.75ms. Allocated memory was 127.9MB in the beginning and 3.4GB in the end (delta: 3.3GB). Free memory was 51.2MB in the beginning and 2.7GB in the end (delta: -2.7GB). Peak memory consumption was 663.7MB. Max. memory is 16.1GB. * Witness Printer took 83.44ms. Allocated memory is still 3.4GB. Free memory was 2.7GB in the beginning and 2.7GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: 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: 59]: 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: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: 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: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 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: 126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 129]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 130]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 132]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 155]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 140]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 141]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 143]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 143]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: 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: 112]: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 429 locations, 112 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: 21.5s, OverallIterations: 17, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 16.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 216 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 216 mSDsluCounter, 187 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 148 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1712 IncrementalHoareTripleChecker+Invalid, 1860 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 148 mSolverCounterUnsat, 187 mSDtfsCounter, 1712 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=636occurred in iteration=0, InterpolantAutomatonStates: 66, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 1780 NumberOfCodeBlocks, 1780 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1763 ConstructedInterpolants, 0 QuantifiedInterpolants, 2226 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 61 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-18 19:37:04,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232a93d1-819b-4670-858f-7d6c3efbf400/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE