./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-queue-add-3.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_b8535280-d9da-41f0-9412-bb12d87beab7/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8535280-d9da-41f0-9412-bb12d87beab7/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_b8535280-d9da-41f0-9412-bb12d87beab7/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8535280-d9da-41f0-9412-bb12d87beab7/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8535280-d9da-41f0-9412-bb12d87beab7/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_b8535280-d9da-41f0-9412-bb12d87beab7/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 6990ac65798f2c5a95ce01b01bd39640075d7bea37e69dff3da0d3d7c4b56ab2 --- 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 19:58:42,235 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:58:42,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:58:42,267 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:58:42,267 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:58:42,268 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:58:42,270 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:58:42,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:58:42,273 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:58:42,274 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:58:42,275 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:58:42,276 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:58:42,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:58:42,278 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:58:42,279 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:58:42,280 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:58:42,281 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:58:42,282 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:58:42,283 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:58:42,291 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:58:42,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:58:42,300 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:58:42,301 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:58:42,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:58:42,305 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:58:42,305 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:58:42,306 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:58:42,306 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:58:42,307 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:58:42,308 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:58:42,308 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:58:42,309 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:58:42,310 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:58:42,310 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:58:42,316 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:58:42,317 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:58:42,317 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:58:42,318 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:58:42,318 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:58:42,319 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:58:42,319 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:58:42,322 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8535280-d9da-41f0-9412-bb12d87beab7/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-18 19:58:42,362 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:58:42,363 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:58:42,363 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:58:42,363 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:58:42,364 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:58:42,365 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:58:42,365 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:58:42,365 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:58:42,366 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:58:42,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:58:42,367 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 19:58:42,367 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 19:58:42,367 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:58:42,368 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 19:58:42,368 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:58:42,368 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:58:42,368 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:58:42,368 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:58:42,368 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-18 19:58:42,369 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 19:58:42,369 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:58:42,369 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:58:42,369 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:58:42,369 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:58:42,369 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:58:42,370 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:58:42,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:58:42,372 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:58:42,372 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:58:42,372 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:58:42,373 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:58:42,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 19:58:42,373 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:58:42,373 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:58:42,373 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:58:42,374 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_b8535280-d9da-41f0-9412-bb12d87beab7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8535280-d9da-41f0-9412-bb12d87beab7/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6990ac65798f2c5a95ce01b01bd39640075d7bea37e69dff3da0d3d7c4b56ab2 [2022-11-18 19:58:42,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:58:42,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:58:42,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:58:42,629 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:58:42,630 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:58:42,631 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8535280-d9da-41f0-9412-bb12d87beab7/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2022-11-18 19:58:42,704 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8535280-d9da-41f0-9412-bb12d87beab7/bin/uautomizer-TMbwUNV5ro/data/d87875014/236c3154ada64684995e4cd56fb17b65/FLAGd53b79375 [2022-11-18 19:58:43,230 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:58:43,230 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8535280-d9da-41f0-9412-bb12d87beab7/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2022-11-18 19:58:43,246 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8535280-d9da-41f0-9412-bb12d87beab7/bin/uautomizer-TMbwUNV5ro/data/d87875014/236c3154ada64684995e4cd56fb17b65/FLAGd53b79375 [2022-11-18 19:58:43,621 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8535280-d9da-41f0-9412-bb12d87beab7/bin/uautomizer-TMbwUNV5ro/data/d87875014/236c3154ada64684995e4cd56fb17b65 [2022-11-18 19:58:43,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:58:43,625 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:58:43,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:58:43,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:58:43,631 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:58:43,632 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:58:43" (1/1) ... [2022-11-18 19:58:43,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b0a0a4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:58:43, skipping insertion in model container [2022-11-18 19:58:43,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:58:43" (1/1) ... [2022-11-18 19:58:43,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:58:43,659 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:58:43,934 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_b8535280-d9da-41f0-9412-bb12d87beab7/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c[3412,3425] [2022-11-18 19:58:43,940 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:58:43,947 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:58:43,983 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_b8535280-d9da-41f0-9412-bb12d87beab7/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c[3412,3425] [2022-11-18 19:58:43,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:58:44,001 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:58:44,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:58:44 WrapperNode [2022-11-18 19:58:44,002 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:58:44,003 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:58:44,003 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:58:44,003 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:58:44,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:58:44" (1/1) ... [2022-11-18 19:58:44,023 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:58:44" (1/1) ... [2022-11-18 19:58:44,076 INFO L138 Inliner]: procedures = 25, calls = 55, calls flagged for inlining = 16, calls inlined = 18, statements flattened = 479 [2022-11-18 19:58:44,083 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:58:44,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:58:44,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:58:44,084 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:58:44,094 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:58:44" (1/1) ... [2022-11-18 19:58:44,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:58:44" (1/1) ... [2022-11-18 19:58:44,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:58:44" (1/1) ... [2022-11-18 19:58:44,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:58:44" (1/1) ... [2022-11-18 19:58:44,154 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:58:44" (1/1) ... [2022-11-18 19:58:44,161 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:58:44" (1/1) ... [2022-11-18 19:58:44,177 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:58:44" (1/1) ... [2022-11-18 19:58:44,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:58:44" (1/1) ... [2022-11-18 19:58:44,183 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:58:44,184 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:58:44,184 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:58:44,184 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:58:44,185 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:58:44" (1/1) ... [2022-11-18 19:58:44,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:58:44,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8535280-d9da-41f0-9412-bb12d87beab7/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:58:44,235 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8535280-d9da-41f0-9412-bb12d87beab7/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:58:44,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8535280-d9da-41f0-9412-bb12d87beab7/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:58:44,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:58:44,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 19:58:44,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 19:58:44,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 19:58:44,280 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-18 19:58:44,282 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-18 19:58:44,282 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-18 19:58:44,282 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-18 19:58:44,282 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-18 19:58:44,282 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-18 19:58:44,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 19:58:44,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-18 19:58:44,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-18 19:58:44,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 19:58:44,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:58:44,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:58:44,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 19:58:44,286 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 19:58:44,490 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:58:44,492 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:58:45,320 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:58:45,776 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:58:45,776 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-18 19:58:45,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:58:45 BoogieIcfgContainer [2022-11-18 19:58:45,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:58:45,786 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:58:45,786 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:58:45,789 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:58:45,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:58:43" (1/3) ... [2022-11-18 19:58:45,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1afe7694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:58:45, skipping insertion in model container [2022-11-18 19:58:45,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:58:44" (2/3) ... [2022-11-18 19:58:45,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1afe7694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:58:45, skipping insertion in model container [2022-11-18 19:58:45,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:58:45" (3/3) ... [2022-11-18 19:58:45,793 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-queue-add-3.wvr.c [2022-11-18 19:58:45,802 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 19:58:45,812 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:58:45,813 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 70 error locations. [2022-11-18 19:58:45,813 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 19:58:45,999 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-18 19:58:46,058 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 365 places, 373 transitions, 770 flow [2022-11-18 19:58:46,283 INFO L130 PetriNetUnfolder]: 18/370 cut-off events. [2022-11-18 19:58:46,283 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-18 19:58:46,293 INFO L83 FinitePrefix]: Finished finitePrefix Result has 383 conditions, 370 events. 18/370 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 512 event pairs, 0 based on Foata normal form. 0/282 useless extension candidates. Maximal degree in co-relation 291. Up to 3 conditions per place. [2022-11-18 19:58:46,293 INFO L82 GeneralOperation]: Start removeDead. Operand has 365 places, 373 transitions, 770 flow [2022-11-18 19:58:46,306 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 343 places, 350 transitions, 718 flow [2022-11-18 19:58:46,324 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:58:46,333 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;@5ae32559, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:58:46,334 INFO L358 AbstractCegarLoop]: Starting to check reachability of 122 error locations. [2022-11-18 19:58:46,345 INFO L130 PetriNetUnfolder]: 0/30 cut-off events. [2022-11-18 19:58:46,345 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 19:58:46,346 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:58:46,346 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] [2022-11-18 19:58:46,348 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-11-18 19:58:46,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:58:46,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1579284986, now seen corresponding path program 1 times [2022-11-18 19:58:46,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:58:46,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926034941] [2022-11-18 19:58:46,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:58:46,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:58:46,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:46,564 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 19:58:46,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:58:46,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926034941] [2022-11-18 19:58:46,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926034941] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:58:46,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:58:46,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:58:46,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136743492] [2022-11-18 19:58:46,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:58:46,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:58:46,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:58:46,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:58:46,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:58:46,609 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 373 [2022-11-18 19:58:46,614 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 350 transitions, 718 flow. Second operand has 3 states, 3 states have (on average 290.3333333333333) internal successors, (871), 3 states have internal predecessors, (871), 0 states have call successors, (0), 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 19:58:46,614 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:58:46,614 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 373 [2022-11-18 19:58:46,615 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:58:46,963 INFO L130 PetriNetUnfolder]: 110/763 cut-off events. [2022-11-18 19:58:46,963 INFO L131 PetriNetUnfolder]: For 52/75 co-relation queries the response was YES. [2022-11-18 19:58:46,967 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1011 conditions, 763 events. 110/763 cut-off events. For 52/75 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 3541 event pairs, 77 based on Foata normal form. 68/708 useless extension candidates. Maximal degree in co-relation 713. Up to 183 conditions per place. [2022-11-18 19:58:46,972 INFO L137 encePairwiseOnDemand]: 314/373 looper letters, 22 selfloop transitions, 2 changer transitions 5/293 dead transitions. [2022-11-18 19:58:46,972 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 293 transitions, 652 flow [2022-11-18 19:58:46,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:58:46,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:58:46,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 948 transitions. [2022-11-18 19:58:46,988 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8471849865951743 [2022-11-18 19:58:46,989 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 948 transitions. [2022-11-18 19:58:46,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 948 transitions. [2022-11-18 19:58:46,992 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:58:46,995 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 948 transitions. [2022-11-18 19:58:47,000 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 316.0) internal successors, (948), 3 states have internal predecessors, (948), 0 states have call successors, (0), 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 19:58:47,007 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 0 states have call successors, (0), 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 19:58:47,008 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 0 states have call successors, (0), 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 19:58:47,010 INFO L175 Difference]: Start difference. First operand has 343 places, 350 transitions, 718 flow. Second operand 3 states and 948 transitions. [2022-11-18 19:58:47,011 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 293 transitions, 652 flow [2022-11-18 19:58:47,015 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 293 transitions, 640 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-11-18 19:58:47,021 INFO L231 Difference]: Finished difference. Result has 294 places, 288 transitions, 586 flow [2022-11-18 19:58:47,023 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=592, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=586, PETRI_PLACES=294, PETRI_TRANSITIONS=288} [2022-11-18 19:58:47,027 INFO L288 CegarLoopForPetriNet]: 343 programPoint places, -49 predicate places. [2022-11-18 19:58:47,027 INFO L495 AbstractCegarLoop]: Abstraction has has 294 places, 288 transitions, 586 flow [2022-11-18 19:58:47,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 290.3333333333333) internal successors, (871), 3 states have internal predecessors, (871), 0 states have call successors, (0), 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 19:58:47,028 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:58:47,028 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] [2022-11-18 19:58:47,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 19:58:47,029 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-11-18 19:58:47,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:58:47,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1688866576, now seen corresponding path program 1 times [2022-11-18 19:58:47,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:58:47,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267134712] [2022-11-18 19:58:47,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:58:47,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:58:47,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:47,095 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 19:58:47,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:58:47,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267134712] [2022-11-18 19:58:47,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267134712] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:58:47,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:58:47,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:58:47,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714475898] [2022-11-18 19:58:47,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:58:47,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:58:47,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:58:47,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:58:47,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:58:47,100 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 373 [2022-11-18 19:58:47,102 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 288 transitions, 586 flow. Second operand has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 0 states have call successors, (0), 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 19:58:47,102 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:58:47,102 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 373 [2022-11-18 19:58:47,102 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:58:47,327 INFO L130 PetriNetUnfolder]: 71/577 cut-off events. [2022-11-18 19:58:47,327 INFO L131 PetriNetUnfolder]: For 9/19 co-relation queries the response was YES. [2022-11-18 19:58:47,329 INFO L83 FinitePrefix]: Finished finitePrefix Result has 708 conditions, 577 events. 71/577 cut-off events. For 9/19 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2024 event pairs, 38 based on Foata normal form. 0/492 useless extension candidates. Maximal degree in co-relation 669. Up to 112 conditions per place. [2022-11-18 19:58:47,332 INFO L137 encePairwiseOnDemand]: 370/373 looper letters, 17 selfloop transitions, 2 changer transitions 0/287 dead transitions. [2022-11-18 19:58:47,332 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 287 transitions, 622 flow [2022-11-18 19:58:47,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:58:47,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:58:47,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 905 transitions. [2022-11-18 19:58:47,335 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.80875781948168 [2022-11-18 19:58:47,335 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 905 transitions. [2022-11-18 19:58:47,336 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 905 transitions. [2022-11-18 19:58:47,336 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:58:47,336 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 905 transitions. [2022-11-18 19:58:47,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 301.6666666666667) internal successors, (905), 3 states have internal predecessors, (905), 0 states have call successors, (0), 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 19:58:47,341 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 0 states have call successors, (0), 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 19:58:47,342 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 0 states have call successors, (0), 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 19:58:47,342 INFO L175 Difference]: Start difference. First operand has 294 places, 288 transitions, 586 flow. Second operand 3 states and 905 transitions. [2022-11-18 19:58:47,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 287 transitions, 622 flow [2022-11-18 19:58:47,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 287 transitions, 618 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:58:47,349 INFO L231 Difference]: Finished difference. Result has 288 places, 287 transitions, 584 flow [2022-11-18 19:58:47,349 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=580, PETRI_DIFFERENCE_MINUEND_PLACES=286, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=584, PETRI_PLACES=288, PETRI_TRANSITIONS=287} [2022-11-18 19:58:47,350 INFO L288 CegarLoopForPetriNet]: 343 programPoint places, -55 predicate places. [2022-11-18 19:58:47,350 INFO L495 AbstractCegarLoop]: Abstraction has has 288 places, 287 transitions, 584 flow [2022-11-18 19:58:47,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 0 states have call successors, (0), 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 19:58:47,351 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:58:47,351 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] [2022-11-18 19:58:47,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 19:58:47,352 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-11-18 19:58:47,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:58:47,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1120567120, now seen corresponding path program 1 times [2022-11-18 19:58:47,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:58:47,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091171271] [2022-11-18 19:58:47,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:58:47,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:58:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:47,410 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 19:58:47,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:58:47,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091171271] [2022-11-18 19:58:47,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091171271] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:58:47,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:58:47,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:58:47,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251400951] [2022-11-18 19:58:47,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:58:47,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:58:47,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:58:47,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:58:47,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:58:47,414 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 373 [2022-11-18 19:58:47,415 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 287 transitions, 584 flow. Second operand has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 0 states have call successors, (0), 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 19:58:47,416 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:58:47,416 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 373 [2022-11-18 19:58:47,416 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:58:47,611 INFO L130 PetriNetUnfolder]: 71/576 cut-off events. [2022-11-18 19:58:47,611 INFO L131 PetriNetUnfolder]: For 9/19 co-relation queries the response was YES. [2022-11-18 19:58:47,613 INFO L83 FinitePrefix]: Finished finitePrefix Result has 707 conditions, 576 events. 71/576 cut-off events. For 9/19 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2029 event pairs, 38 based on Foata normal form. 0/492 useless extension candidates. Maximal degree in co-relation 661. Up to 112 conditions per place. [2022-11-18 19:58:47,615 INFO L137 encePairwiseOnDemand]: 370/373 looper letters, 17 selfloop transitions, 2 changer transitions 0/286 dead transitions. [2022-11-18 19:58:47,616 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 286 transitions, 620 flow [2022-11-18 19:58:47,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:58:47,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:58:47,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 905 transitions. [2022-11-18 19:58:47,618 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.80875781948168 [2022-11-18 19:58:47,619 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 905 transitions. [2022-11-18 19:58:47,619 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 905 transitions. [2022-11-18 19:58:47,619 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:58:47,620 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 905 transitions. [2022-11-18 19:58:47,622 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 301.6666666666667) internal successors, (905), 3 states have internal predecessors, (905), 0 states have call successors, (0), 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 19:58:47,624 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 0 states have call successors, (0), 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 19:58:47,625 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 0 states have call successors, (0), 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 19:58:47,625 INFO L175 Difference]: Start difference. First operand has 288 places, 287 transitions, 584 flow. Second operand 3 states and 905 transitions. [2022-11-18 19:58:47,625 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 286 transitions, 620 flow [2022-11-18 19:58:47,627 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 287 places, 286 transitions, 616 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:58:47,631 INFO L231 Difference]: Finished difference. Result has 287 places, 286 transitions, 582 flow [2022-11-18 19:58:47,631 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=578, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=286, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=582, PETRI_PLACES=287, PETRI_TRANSITIONS=286} [2022-11-18 19:58:47,632 INFO L288 CegarLoopForPetriNet]: 343 programPoint places, -56 predicate places. [2022-11-18 19:58:47,632 INFO L495 AbstractCegarLoop]: Abstraction has has 287 places, 286 transitions, 582 flow [2022-11-18 19:58:47,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 0 states have call successors, (0), 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 19:58:47,633 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:58:47,633 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] [2022-11-18 19:58:47,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 19:58:47,634 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-11-18 19:58:47,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:58:47,634 INFO L85 PathProgramCache]: Analyzing trace with hash 293434658, now seen corresponding path program 1 times [2022-11-18 19:58:47,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:58:47,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790131557] [2022-11-18 19:58:47,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:58:47,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:58:47,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:47,685 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 19:58:47,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:58:47,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790131557] [2022-11-18 19:58:47,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790131557] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:58:47,686 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:58:47,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:58:47,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070265677] [2022-11-18 19:58:47,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:58:47,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:58:47,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:58:47,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:58:47,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:58:47,690 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 373 [2022-11-18 19:58:47,691 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 286 transitions, 582 flow. Second operand has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 0 states have call successors, (0), 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 19:58:47,691 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:58:47,691 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 373 [2022-11-18 19:58:47,691 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:58:47,881 INFO L130 PetriNetUnfolder]: 71/575 cut-off events. [2022-11-18 19:58:47,881 INFO L131 PetriNetUnfolder]: For 9/19 co-relation queries the response was YES. [2022-11-18 19:58:47,883 INFO L83 FinitePrefix]: Finished finitePrefix Result has 706 conditions, 575 events. 71/575 cut-off events. For 9/19 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2015 event pairs, 38 based on Foata normal form. 0/492 useless extension candidates. Maximal degree in co-relation 653. Up to 112 conditions per place. [2022-11-18 19:58:47,887 INFO L137 encePairwiseOnDemand]: 370/373 looper letters, 17 selfloop transitions, 2 changer transitions 0/285 dead transitions. [2022-11-18 19:58:47,887 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 285 transitions, 618 flow [2022-11-18 19:58:47,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:58:47,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:58:47,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 905 transitions. [2022-11-18 19:58:47,891 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.80875781948168 [2022-11-18 19:58:47,891 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 905 transitions. [2022-11-18 19:58:47,891 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 905 transitions. [2022-11-18 19:58:47,891 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:58:47,892 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 905 transitions. [2022-11-18 19:58:47,894 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 301.6666666666667) internal successors, (905), 3 states have internal predecessors, (905), 0 states have call successors, (0), 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 19:58:47,896 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 0 states have call successors, (0), 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 19:58:47,897 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 0 states have call successors, (0), 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 19:58:47,897 INFO L175 Difference]: Start difference. First operand has 287 places, 286 transitions, 582 flow. Second operand 3 states and 905 transitions. [2022-11-18 19:58:47,898 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 285 transitions, 618 flow [2022-11-18 19:58:47,900 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 285 transitions, 614 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:58:47,903 INFO L231 Difference]: Finished difference. Result has 286 places, 285 transitions, 580 flow [2022-11-18 19:58:47,904 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=576, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=580, PETRI_PLACES=286, PETRI_TRANSITIONS=285} [2022-11-18 19:58:47,905 INFO L288 CegarLoopForPetriNet]: 343 programPoint places, -57 predicate places. [2022-11-18 19:58:47,905 INFO L495 AbstractCegarLoop]: Abstraction has has 286 places, 285 transitions, 580 flow [2022-11-18 19:58:47,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 0 states have call successors, (0), 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 19:58:47,906 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:58:47,906 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 19:58:47,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 19:58:47,906 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-11-18 19:58:47,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:58:47,907 INFO L85 PathProgramCache]: Analyzing trace with hash -2145744603, now seen corresponding path program 1 times [2022-11-18 19:58:47,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:58:47,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339462012] [2022-11-18 19:58:47,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:58:47,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:58:47,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:47,969 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 19:58:47,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:58:47,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339462012] [2022-11-18 19:58:47,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339462012] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:58:47,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:58:47,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:58:47,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101987729] [2022-11-18 19:58:47,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:58:47,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:58:47,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:58:47,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:58:47,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:58:47,973 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 373 [2022-11-18 19:58:47,975 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 285 transitions, 580 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 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 19:58:47,975 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:58:47,975 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 373 [2022-11-18 19:58:47,976 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:58:48,197 INFO L130 PetriNetUnfolder]: 77/669 cut-off events. [2022-11-18 19:58:48,197 INFO L131 PetriNetUnfolder]: For 10/15 co-relation queries the response was YES. [2022-11-18 19:58:48,199 INFO L83 FinitePrefix]: Finished finitePrefix Result has 800 conditions, 669 events. 77/669 cut-off events. For 10/15 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2730 event pairs, 18 based on Foata normal form. 0/573 useless extension candidates. Maximal degree in co-relation 739. Up to 85 conditions per place. [2022-11-18 19:58:48,202 INFO L137 encePairwiseOnDemand]: 370/373 looper letters, 19 selfloop transitions, 2 changer transitions 0/290 dead transitions. [2022-11-18 19:58:48,202 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 290 transitions, 634 flow [2022-11-18 19:58:48,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:58:48,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:58:48,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 916 transitions. [2022-11-18 19:58:48,205 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8185880250223414 [2022-11-18 19:58:48,205 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 916 transitions. [2022-11-18 19:58:48,206 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 916 transitions. [2022-11-18 19:58:48,206 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:58:48,206 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 916 transitions. [2022-11-18 19:58:48,208 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 305.3333333333333) internal successors, (916), 3 states have internal predecessors, (916), 0 states have call successors, (0), 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 19:58:48,211 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 0 states have call successors, (0), 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 19:58:48,212 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 0 states have call successors, (0), 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 19:58:48,212 INFO L175 Difference]: Start difference. First operand has 286 places, 285 transitions, 580 flow. Second operand 3 states and 916 transitions. [2022-11-18 19:58:48,212 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 290 transitions, 634 flow [2022-11-18 19:58:48,214 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 290 transitions, 630 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:58:48,218 INFO L231 Difference]: Finished difference. Result has 286 places, 285 transitions, 584 flow [2022-11-18 19:58:48,219 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=574, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=584, PETRI_PLACES=286, PETRI_TRANSITIONS=285} [2022-11-18 19:58:48,219 INFO L288 CegarLoopForPetriNet]: 343 programPoint places, -57 predicate places. [2022-11-18 19:58:48,219 INFO L495 AbstractCegarLoop]: Abstraction has has 286 places, 285 transitions, 584 flow [2022-11-18 19:58:48,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 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 19:58:48,220 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:58:48,220 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] [2022-11-18 19:58:48,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 19:58:48,221 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-11-18 19:58:48,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:58:48,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1915086723, now seen corresponding path program 1 times [2022-11-18 19:58:48,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:58:48,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017140464] [2022-11-18 19:58:48,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:58:48,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:58:48,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:48,267 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 19:58:48,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:58:48,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017140464] [2022-11-18 19:58:48,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017140464] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:58:48,267 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:58:48,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:58:48,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694951698] [2022-11-18 19:58:48,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:58:48,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:58:48,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:58:48,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:58:48,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:58:48,271 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 373 [2022-11-18 19:58:48,272 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 285 transitions, 584 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 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 19:58:48,272 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:58:48,272 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 373 [2022-11-18 19:58:48,272 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:58:48,443 INFO L130 PetriNetUnfolder]: 71/575 cut-off events. [2022-11-18 19:58:48,443 INFO L131 PetriNetUnfolder]: For 32/42 co-relation queries the response was YES. [2022-11-18 19:58:48,445 INFO L83 FinitePrefix]: Finished finitePrefix Result has 737 conditions, 575 events. 71/575 cut-off events. For 32/42 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2035 event pairs, 38 based on Foata normal form. 0/494 useless extension candidates. Maximal degree in co-relation 293. Up to 110 conditions per place. [2022-11-18 19:58:48,447 INFO L137 encePairwiseOnDemand]: 370/373 looper letters, 15 selfloop transitions, 2 changer transitions 0/284 dead transitions. [2022-11-18 19:58:48,448 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 284 transitions, 616 flow [2022-11-18 19:58:48,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:58:48,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:58:48,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 911 transitions. [2022-11-18 19:58:48,451 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8141197497765862 [2022-11-18 19:58:48,451 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 911 transitions. [2022-11-18 19:58:48,451 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 911 transitions. [2022-11-18 19:58:48,452 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:58:48,452 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 911 transitions. [2022-11-18 19:58:48,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 303.6666666666667) internal successors, (911), 3 states have internal predecessors, (911), 0 states have call successors, (0), 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 19:58:48,457 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 0 states have call successors, (0), 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 19:58:48,458 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 0 states have call successors, (0), 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 19:58:48,459 INFO L175 Difference]: Start difference. First operand has 286 places, 285 transitions, 584 flow. Second operand 3 states and 911 transitions. [2022-11-18 19:58:48,459 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 284 transitions, 616 flow [2022-11-18 19:58:48,461 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 284 transitions, 614 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 19:58:48,464 INFO L231 Difference]: Finished difference. Result has 286 places, 284 transitions, 584 flow [2022-11-18 19:58:48,465 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=580, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=584, PETRI_PLACES=286, PETRI_TRANSITIONS=284} [2022-11-18 19:58:48,468 INFO L288 CegarLoopForPetriNet]: 343 programPoint places, -57 predicate places. [2022-11-18 19:58:48,468 INFO L495 AbstractCegarLoop]: Abstraction has has 286 places, 284 transitions, 584 flow [2022-11-18 19:58:48,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 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 19:58:48,470 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:58:48,470 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] [2022-11-18 19:58:48,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 19:58:48,471 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-11-18 19:58:48,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:58:48,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1358700030, now seen corresponding path program 1 times [2022-11-18 19:58:48,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:58:48,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862150757] [2022-11-18 19:58:48,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:58:48,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:58:48,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:48,560 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 19:58:48,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:58:48,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862150757] [2022-11-18 19:58:48,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862150757] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:58:48,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:58:48,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:58:48,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45820829] [2022-11-18 19:58:48,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:58:48,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:58:48,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:58:48,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:58:48,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:58:48,564 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 373 [2022-11-18 19:58:48,565 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 284 transitions, 584 flow. Second operand has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 0 states have call successors, (0), 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 19:58:48,566 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:58:48,566 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 373 [2022-11-18 19:58:48,566 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:58:48,737 INFO L130 PetriNetUnfolder]: 71/574 cut-off events. [2022-11-18 19:58:48,738 INFO L131 PetriNetUnfolder]: For 31/41 co-relation queries the response was YES. [2022-11-18 19:58:48,740 INFO L83 FinitePrefix]: Finished finitePrefix Result has 730 conditions, 574 events. 71/574 cut-off events. For 31/41 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2041 event pairs, 38 based on Foata normal form. 0/494 useless extension candidates. Maximal degree in co-relation 661. Up to 113 conditions per place. [2022-11-18 19:58:48,743 INFO L137 encePairwiseOnDemand]: 370/373 looper letters, 18 selfloop transitions, 2 changer transitions 0/283 dead transitions. [2022-11-18 19:58:48,743 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 283 transitions, 622 flow [2022-11-18 19:58:48,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:58:48,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:58:48,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 905 transitions. [2022-11-18 19:58:48,746 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.80875781948168 [2022-11-18 19:58:48,746 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 905 transitions. [2022-11-18 19:58:48,746 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 905 transitions. [2022-11-18 19:58:48,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:58:48,747 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 905 transitions. [2022-11-18 19:58:48,749 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 301.6666666666667) internal successors, (905), 3 states have internal predecessors, (905), 0 states have call successors, (0), 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 19:58:48,751 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 0 states have call successors, (0), 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 19:58:48,752 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 0 states have call successors, (0), 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 19:58:48,752 INFO L175 Difference]: Start difference. First operand has 286 places, 284 transitions, 584 flow. Second operand 3 states and 905 transitions. [2022-11-18 19:58:48,753 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 283 transitions, 622 flow [2022-11-18 19:58:48,760 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 283 transitions, 618 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:58:48,763 INFO L231 Difference]: Finished difference. Result has 285 places, 283 transitions, 582 flow [2022-11-18 19:58:48,764 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=578, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=582, PETRI_PLACES=285, PETRI_TRANSITIONS=283} [2022-11-18 19:58:48,764 INFO L288 CegarLoopForPetriNet]: 343 programPoint places, -58 predicate places. [2022-11-18 19:58:48,765 INFO L495 AbstractCegarLoop]: Abstraction has has 285 places, 283 transitions, 582 flow [2022-11-18 19:58:48,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 0 states have call successors, (0), 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 19:58:48,765 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:58:48,766 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 19:58:48,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 19:58:48,766 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-11-18 19:58:48,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:58:48,767 INFO L85 PathProgramCache]: Analyzing trace with hash 465971600, now seen corresponding path program 1 times [2022-11-18 19:58:48,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:58:48,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438847773] [2022-11-18 19:58:48,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:58:48,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:58:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:48,864 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 19:58:48,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:58:48,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438847773] [2022-11-18 19:58:48,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438847773] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:58:48,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:58:48,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:58:48,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83123046] [2022-11-18 19:58:48,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:58:48,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:58:48,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:58:48,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:58:48,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:58:48,868 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 373 [2022-11-18 19:58:48,869 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 283 transitions, 582 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 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 19:58:48,869 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:58:48,869 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 373 [2022-11-18 19:58:48,869 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:58:49,055 INFO L130 PetriNetUnfolder]: 83/649 cut-off events. [2022-11-18 19:58:49,055 INFO L131 PetriNetUnfolder]: For 32/41 co-relation queries the response was YES. [2022-11-18 19:58:49,057 INFO L83 FinitePrefix]: Finished finitePrefix Result has 814 conditions, 649 events. 83/649 cut-off events. For 32/41 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 2644 event pairs, 20 based on Foata normal form. 0/562 useless extension candidates. Maximal degree in co-relation 737. Up to 66 conditions per place. [2022-11-18 19:58:49,060 INFO L137 encePairwiseOnDemand]: 370/373 looper letters, 22 selfloop transitions, 2 changer transitions 0/290 dead transitions. [2022-11-18 19:58:49,060 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 290 transitions, 650 flow [2022-11-18 19:58:49,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:58:49,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:58:49,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 917 transitions. [2022-11-18 19:58:49,063 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8194816800714924 [2022-11-18 19:58:49,063 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 917 transitions. [2022-11-18 19:58:49,064 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 917 transitions. [2022-11-18 19:58:49,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:58:49,065 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 917 transitions. [2022-11-18 19:58:49,068 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 305.6666666666667) internal successors, (917), 3 states have internal predecessors, (917), 0 states have call successors, (0), 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 19:58:49,071 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 0 states have call successors, (0), 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 19:58:49,072 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 0 states have call successors, (0), 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 19:58:49,072 INFO L175 Difference]: Start difference. First operand has 285 places, 283 transitions, 582 flow. Second operand 3 states and 917 transitions. [2022-11-18 19:58:49,072 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 290 transitions, 650 flow [2022-11-18 19:58:49,074 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 290 transitions, 646 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:58:49,078 INFO L231 Difference]: Finished difference. Result has 285 places, 283 transitions, 586 flow [2022-11-18 19:58:49,078 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=576, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=586, PETRI_PLACES=285, PETRI_TRANSITIONS=283} [2022-11-18 19:58:49,079 INFO L288 CegarLoopForPetriNet]: 343 programPoint places, -58 predicate places. [2022-11-18 19:58:49,079 INFO L495 AbstractCegarLoop]: Abstraction has has 285 places, 283 transitions, 586 flow [2022-11-18 19:58:49,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 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 19:58:49,080 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:58:49,080 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] [2022-11-18 19:58:49,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 19:58:49,080 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-11-18 19:58:49,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:58:49,081 INFO L85 PathProgramCache]: Analyzing trace with hash 349401227, now seen corresponding path program 1 times [2022-11-18 19:58:49,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:58:49,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020788542] [2022-11-18 19:58:49,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:58:49,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:58:49,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:49,122 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 19:58:49,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:58:49,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020788542] [2022-11-18 19:58:49,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020788542] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:58:49,123 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:58:49,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:58:49,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281967160] [2022-11-18 19:58:49,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:58:49,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:58:49,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:58:49,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:58:49,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:58:49,126 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 373 [2022-11-18 19:58:49,127 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 283 transitions, 586 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 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 19:58:49,127 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:58:49,127 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 373 [2022-11-18 19:58:49,127 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:58:49,282 INFO L130 PetriNetUnfolder]: 83/586 cut-off events. [2022-11-18 19:58:49,283 INFO L131 PetriNetUnfolder]: For 58/68 co-relation queries the response was YES. [2022-11-18 19:58:49,285 INFO L83 FinitePrefix]: Finished finitePrefix Result has 791 conditions, 586 events. 83/586 cut-off events. For 58/68 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2061 event pairs, 38 based on Foata normal form. 0/500 useless extension candidates. Maximal degree in co-relation 455. Up to 123 conditions per place. [2022-11-18 19:58:49,288 INFO L137 encePairwiseOnDemand]: 370/373 looper letters, 16 selfloop transitions, 2 changer transitions 0/282 dead transitions. [2022-11-18 19:58:49,290 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 282 transitions, 620 flow [2022-11-18 19:58:49,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:58:49,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:58:49,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 911 transitions. [2022-11-18 19:58:49,293 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8141197497765862 [2022-11-18 19:58:49,294 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 911 transitions. [2022-11-18 19:58:49,294 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 911 transitions. [2022-11-18 19:58:49,294 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:58:49,295 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 911 transitions. [2022-11-18 19:58:49,297 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 303.6666666666667) internal successors, (911), 3 states have internal predecessors, (911), 0 states have call successors, (0), 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 19:58:49,299 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 0 states have call successors, (0), 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 19:58:49,302 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 0 states have call successors, (0), 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 19:58:49,302 INFO L175 Difference]: Start difference. First operand has 285 places, 283 transitions, 586 flow. Second operand 3 states and 911 transitions. [2022-11-18 19:58:49,302 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 282 transitions, 620 flow [2022-11-18 19:58:49,305 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 282 transitions, 618 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 19:58:49,309 INFO L231 Difference]: Finished difference. Result has 285 places, 282 transitions, 586 flow [2022-11-18 19:58:49,310 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=582, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=586, PETRI_PLACES=285, PETRI_TRANSITIONS=282} [2022-11-18 19:58:49,311 INFO L288 CegarLoopForPetriNet]: 343 programPoint places, -58 predicate places. [2022-11-18 19:58:49,311 INFO L495 AbstractCegarLoop]: Abstraction has has 285 places, 282 transitions, 586 flow [2022-11-18 19:58:49,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 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 19:58:49,312 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:58:49,312 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 19:58:49,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 19:58:49,312 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-11-18 19:58:49,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:58:49,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1987490317, now seen corresponding path program 1 times [2022-11-18 19:58:49,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:58:49,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132827897] [2022-11-18 19:58:49,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:58:49,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:58:49,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:49,388 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 19:58:49,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:58:49,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132827897] [2022-11-18 19:58:49,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132827897] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:58:49,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:58:49,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:58:49,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348730634] [2022-11-18 19:58:49,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:58:49,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:58:49,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:58:49,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:58:49,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:58:49,398 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 373 [2022-11-18 19:58:49,399 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 282 transitions, 586 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 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 19:58:49,401 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:58:49,401 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 373 [2022-11-18 19:58:49,402 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:58:49,565 INFO L130 PetriNetUnfolder]: 83/585 cut-off events. [2022-11-18 19:58:49,565 INFO L131 PetriNetUnfolder]: For 57/67 co-relation queries the response was YES. [2022-11-18 19:58:49,567 INFO L83 FinitePrefix]: Finished finitePrefix Result has 778 conditions, 585 events. 83/585 cut-off events. For 57/67 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2060 event pairs, 38 based on Foata normal form. 0/500 useless extension candidates. Maximal degree in co-relation 692. Up to 121 conditions per place. [2022-11-18 19:58:49,570 INFO L137 encePairwiseOnDemand]: 371/373 looper letters, 16 selfloop transitions, 1 changer transitions 0/281 dead transitions. [2022-11-18 19:58:49,570 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 281 transitions, 618 flow [2022-11-18 19:58:49,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:58:49,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:58:49,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 910 transitions. [2022-11-18 19:58:49,573 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8132260947274352 [2022-11-18 19:58:49,573 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 910 transitions. [2022-11-18 19:58:49,573 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 910 transitions. [2022-11-18 19:58:49,574 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:58:49,574 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 910 transitions. [2022-11-18 19:58:49,576 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 303.3333333333333) internal successors, (910), 3 states have internal predecessors, (910), 0 states have call successors, (0), 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 19:58:49,578 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 0 states have call successors, (0), 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 19:58:49,579 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 0 states have call successors, (0), 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 19:58:49,579 INFO L175 Difference]: Start difference. First operand has 285 places, 282 transitions, 586 flow. Second operand 3 states and 910 transitions. [2022-11-18 19:58:49,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 281 transitions, 618 flow [2022-11-18 19:58:49,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 281 transitions, 614 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:58:49,586 INFO L231 Difference]: Finished difference. Result has 284 places, 281 transitions, 582 flow [2022-11-18 19:58:49,587 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=580, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=281, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=582, PETRI_PLACES=284, PETRI_TRANSITIONS=281} [2022-11-18 19:58:49,588 INFO L288 CegarLoopForPetriNet]: 343 programPoint places, -59 predicate places. [2022-11-18 19:58:49,589 INFO L495 AbstractCegarLoop]: Abstraction has has 284 places, 281 transitions, 582 flow [2022-11-18 19:58:49,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 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 19:58:49,589 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:58:49,590 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] [2022-11-18 19:58:49,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 19:58:49,590 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-11-18 19:58:49,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:58:49,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1895251124, now seen corresponding path program 1 times [2022-11-18 19:58:49,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:58:49,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911308381] [2022-11-18 19:58:49,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:58:49,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:58:49,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:49,670 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 19:58:49,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:58:49,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911308381] [2022-11-18 19:58:49,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911308381] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:58:49,671 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:58:49,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:58:49,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211775499] [2022-11-18 19:58:49,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:58:49,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:58:49,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:58:49,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:58:49,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:58:49,674 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 373 [2022-11-18 19:58:49,675 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 281 transitions, 582 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 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 19:58:49,676 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:58:49,676 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 373 [2022-11-18 19:58:49,676 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:58:49,828 INFO L130 PetriNetUnfolder]: 83/584 cut-off events. [2022-11-18 19:58:49,829 INFO L131 PetriNetUnfolder]: For 57/67 co-relation queries the response was YES. [2022-11-18 19:58:49,831 INFO L83 FinitePrefix]: Finished finitePrefix Result has 777 conditions, 584 events. 83/584 cut-off events. For 57/67 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2048 event pairs, 38 based on Foata normal form. 0/500 useless extension candidates. Maximal degree in co-relation 692. Up to 123 conditions per place. [2022-11-18 19:58:49,834 INFO L137 encePairwiseOnDemand]: 370/373 looper letters, 16 selfloop transitions, 2 changer transitions 0/280 dead transitions. [2022-11-18 19:58:49,834 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 280 transitions, 616 flow [2022-11-18 19:58:49,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:58:49,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:58:49,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 911 transitions. [2022-11-18 19:58:49,837 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8141197497765862 [2022-11-18 19:58:49,837 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 911 transitions. [2022-11-18 19:58:49,838 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 911 transitions. [2022-11-18 19:58:49,838 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:58:49,838 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 911 transitions. [2022-11-18 19:58:49,840 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 303.6666666666667) internal successors, (911), 3 states have internal predecessors, (911), 0 states have call successors, (0), 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 19:58:49,843 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 0 states have call successors, (0), 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 19:58:49,843 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 0 states have call successors, (0), 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 19:58:49,843 INFO L175 Difference]: Start difference. First operand has 284 places, 281 transitions, 582 flow. Second operand 3 states and 911 transitions. [2022-11-18 19:58:49,844 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 280 transitions, 616 flow [2022-11-18 19:58:49,846 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 280 transitions, 615 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 19:58:49,849 INFO L231 Difference]: Finished difference. Result has 284 places, 280 transitions, 583 flow [2022-11-18 19:58:49,850 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=579, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=278, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=583, PETRI_PLACES=284, PETRI_TRANSITIONS=280} [2022-11-18 19:58:49,851 INFO L288 CegarLoopForPetriNet]: 343 programPoint places, -59 predicate places. [2022-11-18 19:58:49,851 INFO L495 AbstractCegarLoop]: Abstraction has has 284 places, 280 transitions, 583 flow [2022-11-18 19:58:49,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 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 19:58:49,852 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:58:49,852 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] [2022-11-18 19:58:49,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 19:58:49,853 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-11-18 19:58:49,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:58:49,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1203279331, now seen corresponding path program 1 times [2022-11-18 19:58:49,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:58:49,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20442681] [2022-11-18 19:58:49,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:58:49,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:58:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:50,398 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 19:58:50,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:58:50,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20442681] [2022-11-18 19:58:50,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20442681] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:58:50,399 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:58:50,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 19:58:50,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730166968] [2022-11-18 19:58:50,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:58:50,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:58:50,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:58:50,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:58:50,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:58:50,402 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 252 out of 373 [2022-11-18 19:58:50,403 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 280 transitions, 583 flow. Second operand has 6 states, 6 states have (on average 253.83333333333334) internal successors, (1523), 6 states have internal predecessors, (1523), 0 states have call successors, (0), 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 19:58:50,404 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:58:50,404 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 252 of 373 [2022-11-18 19:58:50,404 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:58:50,998 INFO L130 PetriNetUnfolder]: 527/1310 cut-off events. [2022-11-18 19:58:50,998 INFO L131 PetriNetUnfolder]: For 300/300 co-relation queries the response was YES. [2022-11-18 19:58:51,002 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2384 conditions, 1310 events. 527/1310 cut-off events. For 300/300 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 6497 event pairs, 284 based on Foata normal form. 0/1067 useless extension candidates. Maximal degree in co-relation 2300. Up to 742 conditions per place. [2022-11-18 19:58:51,010 INFO L137 encePairwiseOnDemand]: 361/373 looper letters, 53 selfloop transitions, 10 changer transitions 0/278 dead transitions. [2022-11-18 19:58:51,011 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 278 transitions, 705 flow [2022-11-18 19:58:51,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:58:51,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 19:58:51,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1575 transitions. [2022-11-18 19:58:51,046 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7037533512064343 [2022-11-18 19:58:51,046 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1575 transitions. [2022-11-18 19:58:51,046 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1575 transitions. [2022-11-18 19:58:51,047 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:58:51,047 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1575 transitions. [2022-11-18 19:58:51,050 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 262.5) internal successors, (1575), 6 states have internal predecessors, (1575), 0 states have call successors, (0), 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 19:58:51,053 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 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 19:58:51,054 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 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 19:58:51,062 INFO L175 Difference]: Start difference. First operand has 284 places, 280 transitions, 583 flow. Second operand 6 states and 1575 transitions. [2022-11-18 19:58:51,063 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 278 transitions, 705 flow [2022-11-18 19:58:51,064 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 278 transitions, 701 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:58:51,068 INFO L231 Difference]: Finished difference. Result has 285 places, 278 transitions, 595 flow [2022-11-18 19:58:51,068 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=575, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=268, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=595, PETRI_PLACES=285, PETRI_TRANSITIONS=278} [2022-11-18 19:58:51,071 INFO L288 CegarLoopForPetriNet]: 343 programPoint places, -58 predicate places. [2022-11-18 19:58:51,071 INFO L495 AbstractCegarLoop]: Abstraction has has 285 places, 278 transitions, 595 flow [2022-11-18 19:58:51,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 253.83333333333334) internal successors, (1523), 6 states have internal predecessors, (1523), 0 states have call successors, (0), 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 19:58:51,080 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:58:51,080 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] [2022-11-18 19:58:51,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-18 19:58:51,081 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-11-18 19:58:51,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:58:51,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1997515904, now seen corresponding path program 1 times [2022-11-18 19:58:51,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:58:51,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907979279] [2022-11-18 19:58:51,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:58:51,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:58:51,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:51,131 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 19:58:51,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:58:51,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907979279] [2022-11-18 19:58:51,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907979279] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:58:51,140 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:58:51,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:58:51,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171714248] [2022-11-18 19:58:51,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:58:51,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:58:51,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:58:51,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:58:51,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:58:51,143 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 373 [2022-11-18 19:58:51,145 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 278 transitions, 595 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 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 19:58:51,145 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:58:51,145 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 373 [2022-11-18 19:58:51,145 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:58:51,299 INFO L130 PetriNetUnfolder]: 83/581 cut-off events. [2022-11-18 19:58:51,299 INFO L131 PetriNetUnfolder]: For 57/67 co-relation queries the response was YES. [2022-11-18 19:58:51,301 INFO L83 FinitePrefix]: Finished finitePrefix Result has 783 conditions, 581 events. 83/581 cut-off events. For 57/67 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2044 event pairs, 38 based on Foata normal form. 0/500 useless extension candidates. Maximal degree in co-relation 748. Up to 121 conditions per place. [2022-11-18 19:58:51,304 INFO L137 encePairwiseOnDemand]: 371/373 looper letters, 16 selfloop transitions, 1 changer transitions 0/277 dead transitions. [2022-11-18 19:58:51,304 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 277 transitions, 627 flow [2022-11-18 19:58:51,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:58:51,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:58:51,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 910 transitions. [2022-11-18 19:58:51,307 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8132260947274352 [2022-11-18 19:58:51,307 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 910 transitions. [2022-11-18 19:58:51,307 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 910 transitions. [2022-11-18 19:58:51,307 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:58:51,308 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 910 transitions. [2022-11-18 19:58:51,309 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 303.3333333333333) internal successors, (910), 3 states have internal predecessors, (910), 0 states have call successors, (0), 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 19:58:51,311 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 0 states have call successors, (0), 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 19:58:51,313 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 0 states have call successors, (0), 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 19:58:51,313 INFO L175 Difference]: Start difference. First operand has 285 places, 278 transitions, 595 flow. Second operand 3 states and 910 transitions. [2022-11-18 19:58:51,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 277 transitions, 627 flow [2022-11-18 19:58:51,317 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 277 transitions, 607 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-18 19:58:51,321 INFO L231 Difference]: Finished difference. Result has 281 places, 277 transitions, 575 flow [2022-11-18 19:58:51,322 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=573, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=575, PETRI_PLACES=281, PETRI_TRANSITIONS=277} [2022-11-18 19:58:51,323 INFO L288 CegarLoopForPetriNet]: 343 programPoint places, -62 predicate places. [2022-11-18 19:58:51,323 INFO L495 AbstractCegarLoop]: Abstraction has has 281 places, 277 transitions, 575 flow [2022-11-18 19:58:51,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 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 19:58:51,323 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:58:51,324 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] [2022-11-18 19:58:51,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-18 19:58:51,324 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-11-18 19:58:51,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:58:51,324 INFO L85 PathProgramCache]: Analyzing trace with hash 960680085, now seen corresponding path program 1 times [2022-11-18 19:58:51,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:58:51,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019470408] [2022-11-18 19:58:51,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:58:51,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:58:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:51,383 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 19:58:51,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:58:51,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019470408] [2022-11-18 19:58:51,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019470408] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:58:51,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:58:51,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:58:51,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292651723] [2022-11-18 19:58:51,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:58:51,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:58:51,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:58:51,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:58:51,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:58:51,387 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 373 [2022-11-18 19:58:51,388 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 277 transitions, 575 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 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 19:58:51,388 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:58:51,388 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 373 [2022-11-18 19:58:51,388 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:58:51,559 INFO L130 PetriNetUnfolder]: 83/580 cut-off events. [2022-11-18 19:58:51,559 INFO L131 PetriNetUnfolder]: For 57/67 co-relation queries the response was YES. [2022-11-18 19:58:51,560 INFO L83 FinitePrefix]: Finished finitePrefix Result has 774 conditions, 580 events. 83/580 cut-off events. For 57/67 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2014 event pairs, 38 based on Foata normal form. 0/500 useless extension candidates. Maximal degree in co-relation 689. Up to 123 conditions per place. [2022-11-18 19:58:51,563 INFO L137 encePairwiseOnDemand]: 370/373 looper letters, 16 selfloop transitions, 2 changer transitions 0/276 dead transitions. [2022-11-18 19:58:51,563 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 276 transitions, 609 flow [2022-11-18 19:58:51,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:58:51,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:58:51,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 911 transitions. [2022-11-18 19:58:51,567 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8141197497765862 [2022-11-18 19:58:51,567 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 911 transitions. [2022-11-18 19:58:51,567 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 911 transitions. [2022-11-18 19:58:51,568 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:58:51,568 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 911 transitions. [2022-11-18 19:58:51,570 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 303.6666666666667) internal successors, (911), 3 states have internal predecessors, (911), 0 states have call successors, (0), 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 19:58:51,572 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 0 states have call successors, (0), 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 19:58:51,572 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 0 states have call successors, (0), 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 19:58:51,572 INFO L175 Difference]: Start difference. First operand has 281 places, 277 transitions, 575 flow. Second operand 3 states and 911 transitions. [2022-11-18 19:58:51,573 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 276 transitions, 609 flow [2022-11-18 19:58:51,575 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 276 transitions, 608 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 19:58:51,578 INFO L231 Difference]: Finished difference. Result has 281 places, 276 transitions, 576 flow [2022-11-18 19:58:51,578 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=572, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=276, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=576, PETRI_PLACES=281, PETRI_TRANSITIONS=276} [2022-11-18 19:58:51,579 INFO L288 CegarLoopForPetriNet]: 343 programPoint places, -62 predicate places. [2022-11-18 19:58:51,579 INFO L495 AbstractCegarLoop]: Abstraction has has 281 places, 276 transitions, 576 flow [2022-11-18 19:58:51,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 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 19:58:51,580 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:58:51,580 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] [2022-11-18 19:58:51,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-18 19:58:51,580 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-11-18 19:58:51,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:58:51,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1177502323, now seen corresponding path program 1 times [2022-11-18 19:58:51,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:58:51,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603244998] [2022-11-18 19:58:51,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:58:51,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:58:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:51,645 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 19:58:51,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:58:51,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603244998] [2022-11-18 19:58:51,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603244998] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:58:51,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:58:51,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:58:51,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549205886] [2022-11-18 19:58:51,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:58:51,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:58:51,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:58:51,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:58:51,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:58:51,648 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 373 [2022-11-18 19:58:51,650 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 276 transitions, 576 flow. Second operand has 3 states, 3 states have (on average 293.3333333333333) internal successors, (880), 3 states have internal predecessors, (880), 0 states have call successors, (0), 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 19:58:51,650 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:58:51,650 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 373 [2022-11-18 19:58:51,650 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:58:51,821 INFO L130 PetriNetUnfolder]: 112/696 cut-off events. [2022-11-18 19:58:51,821 INFO L131 PetriNetUnfolder]: For 81/100 co-relation queries the response was YES. [2022-11-18 19:58:51,824 INFO L83 FinitePrefix]: Finished finitePrefix Result has 973 conditions, 696 events. 112/696 cut-off events. For 81/100 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 3001 event pairs, 64 based on Foata normal form. 1/601 useless extension candidates. Maximal degree in co-relation 887. Up to 171 conditions per place. [2022-11-18 19:58:51,827 INFO L137 encePairwiseOnDemand]: 369/373 looper letters, 18 selfloop transitions, 1 changer transitions 2/273 dead transitions. [2022-11-18 19:58:51,828 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 273 transitions, 610 flow [2022-11-18 19:58:51,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:58:51,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:58:51,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 897 transitions. [2022-11-18 19:58:51,830 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8016085790884718 [2022-11-18 19:58:51,831 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 897 transitions. [2022-11-18 19:58:51,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 897 transitions. [2022-11-18 19:58:51,831 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:58:51,831 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 897 transitions. [2022-11-18 19:58:51,833 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 299.0) internal successors, (897), 3 states have internal predecessors, (897), 0 states have call successors, (0), 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 19:58:51,835 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 0 states have call successors, (0), 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 19:58:51,836 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 0 states have call successors, (0), 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 19:58:51,836 INFO L175 Difference]: Start difference. First operand has 281 places, 276 transitions, 576 flow. Second operand 3 states and 897 transitions. [2022-11-18 19:58:51,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 273 transitions, 610 flow [2022-11-18 19:58:51,839 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 273 transitions, 606 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:58:51,842 INFO L231 Difference]: Finished difference. Result has 278 places, 271 transitions, 564 flow [2022-11-18 19:58:51,843 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=566, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=564, PETRI_PLACES=278, PETRI_TRANSITIONS=271} [2022-11-18 19:58:51,843 INFO L288 CegarLoopForPetriNet]: 343 programPoint places, -65 predicate places. [2022-11-18 19:58:51,844 INFO L495 AbstractCegarLoop]: Abstraction has has 278 places, 271 transitions, 564 flow [2022-11-18 19:58:51,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 293.3333333333333) internal successors, (880), 3 states have internal predecessors, (880), 0 states have call successors, (0), 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 19:58:51,844 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:58:51,845 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] [2022-11-18 19:58:51,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-18 19:58:51,845 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-11-18 19:58:51,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:58:51,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1580581633, now seen corresponding path program 1 times [2022-11-18 19:58:51,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:58:51,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894686076] [2022-11-18 19:58:51,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:58:51,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:58:51,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:51,957 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 19:58:51,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:58:51,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894686076] [2022-11-18 19:58:51,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894686076] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:58:51,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:58:51,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:58:51,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058173480] [2022-11-18 19:58:51,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:58:51,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:58:51,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:58:51,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:58:51,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:58:51,963 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 373 [2022-11-18 19:58:51,964 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 271 transitions, 564 flow. Second operand has 3 states, 3 states have (on average 300.0) internal successors, (900), 3 states have internal predecessors, (900), 0 states have call successors, (0), 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 19:58:51,964 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:58:51,964 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 373 [2022-11-18 19:58:51,965 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:58:52,247 INFO L130 PetriNetUnfolder]: 208/927 cut-off events. [2022-11-18 19:58:52,247 INFO L131 PetriNetUnfolder]: For 107/122 co-relation queries the response was YES. [2022-11-18 19:58:52,250 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1352 conditions, 927 events. 208/927 cut-off events. For 107/122 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 4645 event pairs, 79 based on Foata normal form. 0/803 useless extension candidates. Maximal degree in co-relation 1268. Up to 228 conditions per place. [2022-11-18 19:58:52,255 INFO L137 encePairwiseOnDemand]: 370/373 looper letters, 22 selfloop transitions, 2 changer transitions 0/276 dead transitions. [2022-11-18 19:58:52,256 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 276 transitions, 628 flow [2022-11-18 19:58:52,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:58:52,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:58:52,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 916 transitions. [2022-11-18 19:58:52,259 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8185880250223414 [2022-11-18 19:58:52,259 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 916 transitions. [2022-11-18 19:58:52,259 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 916 transitions. [2022-11-18 19:58:52,260 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:58:52,260 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 916 transitions. [2022-11-18 19:58:52,262 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 305.3333333333333) internal successors, (916), 3 states have internal predecessors, (916), 0 states have call successors, (0), 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 19:58:52,264 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 0 states have call successors, (0), 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 19:58:52,265 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 0 states have call successors, (0), 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 19:58:52,266 INFO L175 Difference]: Start difference. First operand has 278 places, 271 transitions, 564 flow. Second operand 3 states and 916 transitions. [2022-11-18 19:58:52,266 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 276 transitions, 628 flow [2022-11-18 19:58:52,269 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 276 transitions, 627 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 19:58:52,273 INFO L231 Difference]: Finished difference. Result has 276 places, 270 transitions, 565 flow [2022-11-18 19:58:52,273 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=561, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=268, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=565, PETRI_PLACES=276, PETRI_TRANSITIONS=270} [2022-11-18 19:58:52,274 INFO L288 CegarLoopForPetriNet]: 343 programPoint places, -67 predicate places. [2022-11-18 19:58:52,274 INFO L495 AbstractCegarLoop]: Abstraction has has 276 places, 270 transitions, 565 flow [2022-11-18 19:58:52,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 300.0) internal successors, (900), 3 states have internal predecessors, (900), 0 states have call successors, (0), 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 19:58:52,275 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:58:52,275 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] [2022-11-18 19:58:52,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-18 19:58:52,275 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-11-18 19:58:52,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:58:52,276 INFO L85 PathProgramCache]: Analyzing trace with hash 188100994, now seen corresponding path program 1 times [2022-11-18 19:58:52,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:58:52,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311514330] [2022-11-18 19:58:52,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:58:52,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:58:52,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:52,379 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 19:58:52,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:58:52,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311514330] [2022-11-18 19:58:52,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311514330] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:58:52,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:58:52,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:58:52,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412835428] [2022-11-18 19:58:52,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:58:52,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:58:52,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:58:52,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:58:52,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:58:52,384 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 373 [2022-11-18 19:58:52,385 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 270 transitions, 565 flow. Second operand has 3 states, 3 states have (on average 299.0) internal successors, (897), 3 states have internal predecessors, (897), 0 states have call successors, (0), 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 19:58:52,385 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:58:52,385 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 373 [2022-11-18 19:58:52,386 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:58:52,634 INFO L130 PetriNetUnfolder]: 233/699 cut-off events. [2022-11-18 19:58:52,634 INFO L131 PetriNetUnfolder]: For 117/131 co-relation queries the response was YES. [2022-11-18 19:58:52,636 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1193 conditions, 699 events. 233/699 cut-off events. For 117/131 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 2613 event pairs, 98 based on Foata normal form. 0/634 useless extension candidates. Maximal degree in co-relation 1109. Up to 264 conditions per place. [2022-11-18 19:58:52,643 INFO L137 encePairwiseOnDemand]: 370/373 looper letters, 23 selfloop transitions, 2 changer transitions 0/275 dead transitions. [2022-11-18 19:58:52,644 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 275 transitions, 631 flow [2022-11-18 19:58:52,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:58:52,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:58:52,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 911 transitions. [2022-11-18 19:58:52,646 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8141197497765862 [2022-11-18 19:58:52,646 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 911 transitions. [2022-11-18 19:58:52,647 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 911 transitions. [2022-11-18 19:58:52,647 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:58:52,647 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 911 transitions. [2022-11-18 19:58:52,649 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 303.6666666666667) internal successors, (911), 3 states have internal predecessors, (911), 0 states have call successors, (0), 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 19:58:52,651 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 0 states have call successors, (0), 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 19:58:52,652 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 0 states have call successors, (0), 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 19:58:52,652 INFO L175 Difference]: Start difference. First operand has 276 places, 270 transitions, 565 flow. Second operand 3 states and 911 transitions. [2022-11-18 19:58:52,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 275 transitions, 631 flow [2022-11-18 19:58:52,655 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 275 transitions, 627 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:58:52,659 INFO L231 Difference]: Finished difference. Result has 275 places, 269 transitions, 563 flow [2022-11-18 19:58:52,659 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=559, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=269, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=267, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=563, PETRI_PLACES=275, PETRI_TRANSITIONS=269} [2022-11-18 19:58:52,660 INFO L288 CegarLoopForPetriNet]: 343 programPoint places, -68 predicate places. [2022-11-18 19:58:52,660 INFO L495 AbstractCegarLoop]: Abstraction has has 275 places, 269 transitions, 563 flow [2022-11-18 19:58:52,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.0) internal successors, (897), 3 states have internal predecessors, (897), 0 states have call successors, (0), 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 19:58:52,660 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:58:52,661 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] [2022-11-18 19:58:52,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-18 19:58:52,661 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread3Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-11-18 19:58:52,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:58:52,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1921396443, now seen corresponding path program 1 times [2022-11-18 19:58:52,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:58:52,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437884742] [2022-11-18 19:58:52,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:58:52,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:58:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:52,732 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 19:58:52,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:58:52,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437884742] [2022-11-18 19:58:52,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437884742] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:58:52,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:58:52,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:58:52,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481585610] [2022-11-18 19:58:52,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:58:52,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:58:52,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:58:52,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:58:52,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:58:52,736 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 373 [2022-11-18 19:58:52,737 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 269 transitions, 563 flow. Second operand has 3 states, 3 states have (on average 297.0) internal successors, (891), 3 states have internal predecessors, (891), 0 states have call successors, (0), 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 19:58:52,737 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:58:52,737 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 373 [2022-11-18 19:58:52,737 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:58:52,992 INFO L130 PetriNetUnfolder]: 223/843 cut-off events. [2022-11-18 19:58:52,993 INFO L131 PetriNetUnfolder]: For 117/132 co-relation queries the response was YES. [2022-11-18 19:58:52,995 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1301 conditions, 843 events. 223/843 cut-off events. For 117/132 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 3898 event pairs, 92 based on Foata normal form. 2/749 useless extension candidates. Maximal degree in co-relation 1217. Up to 243 conditions per place. [2022-11-18 19:58:52,999 INFO L137 encePairwiseOnDemand]: 368/373 looper letters, 22 selfloop transitions, 2 changer transitions 3/274 dead transitions. [2022-11-18 19:58:53,000 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 274 transitions, 631 flow [2022-11-18 19:58:53,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:58:53,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:58:53,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 910 transitions. [2022-11-18 19:58:53,002 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8132260947274352 [2022-11-18 19:58:53,003 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 910 transitions. [2022-11-18 19:58:53,003 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 910 transitions. [2022-11-18 19:58:53,003 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:58:53,004 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 910 transitions. [2022-11-18 19:58:53,006 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 303.3333333333333) internal successors, (910), 3 states have internal predecessors, (910), 0 states have call successors, (0), 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 19:58:53,007 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 0 states have call successors, (0), 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 19:58:53,008 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 0 states have call successors, (0), 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 19:58:53,008 INFO L175 Difference]: Start difference. First operand has 275 places, 269 transitions, 563 flow. Second operand 3 states and 910 transitions. [2022-11-18 19:58:53,008 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 274 transitions, 631 flow [2022-11-18 19:58:53,011 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 274 transitions, 627 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:58:53,014 INFO L231 Difference]: Finished difference. Result has 273 places, 264 transitions, 552 flow [2022-11-18 19:58:53,014 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=555, PETRI_DIFFERENCE_MINUEND_PLACES=271, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=267, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=265, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=552, PETRI_PLACES=273, PETRI_TRANSITIONS=264} [2022-11-18 19:58:53,015 INFO L288 CegarLoopForPetriNet]: 343 programPoint places, -70 predicate places. [2022-11-18 19:58:53,016 INFO L495 AbstractCegarLoop]: Abstraction has has 273 places, 264 transitions, 552 flow [2022-11-18 19:58:53,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 297.0) internal successors, (891), 3 states have internal predecessors, (891), 0 states have call successors, (0), 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 19:58:53,016 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:58:53,016 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] [2022-11-18 19:58:53,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-18 19:58:53,017 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-11-18 19:58:53,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:58:53,017 INFO L85 PathProgramCache]: Analyzing trace with hash -204009763, now seen corresponding path program 1 times [2022-11-18 19:58:53,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:58:53,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263140046] [2022-11-18 19:58:53,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:58:53,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:58:53,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,619 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 19:58:53,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:58:53,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263140046] [2022-11-18 19:58:53,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263140046] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:58:53,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:58:53,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 19:58:53,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938372853] [2022-11-18 19:58:53,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:58:53,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:58:53,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:58:53,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:58:53,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:58:53,623 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 373 [2022-11-18 19:58:53,625 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 264 transitions, 552 flow. Second operand has 6 states, 6 states have (on average 270.0) internal successors, (1620), 6 states have internal predecessors, (1620), 0 states have call successors, (0), 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 19:58:53,625 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:58:53,625 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 373 [2022-11-18 19:58:53,625 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:58:54,331 INFO L130 PetriNetUnfolder]: 527/1259 cut-off events. [2022-11-18 19:58:54,331 INFO L131 PetriNetUnfolder]: For 300/300 co-relation queries the response was YES. [2022-11-18 19:58:54,335 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2333 conditions, 1259 events. 527/1259 cut-off events. For 300/300 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 5998 event pairs, 63 based on Foata normal form. 0/1135 useless extension candidates. Maximal degree in co-relation 2247. Up to 310 conditions per place. [2022-11-18 19:58:54,342 INFO L137 encePairwiseOnDemand]: 368/373 looper letters, 67 selfloop transitions, 4 changer transitions 0/291 dead transitions. [2022-11-18 19:58:54,342 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 274 places, 291 transitions, 780 flow [2022-11-18 19:58:54,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:58:54,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 19:58:54,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1670 transitions. [2022-11-18 19:58:54,347 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7462019660411081 [2022-11-18 19:58:54,347 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1670 transitions. [2022-11-18 19:58:54,347 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1670 transitions. [2022-11-18 19:58:54,348 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:58:54,348 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1670 transitions. [2022-11-18 19:58:54,351 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 278.3333333333333) internal successors, (1670), 6 states have internal predecessors, (1670), 0 states have call successors, (0), 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 19:58:54,355 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 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 19:58:54,356 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 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 19:58:54,356 INFO L175 Difference]: Start difference. First operand has 273 places, 264 transitions, 552 flow. Second operand 6 states and 1670 transitions. [2022-11-18 19:58:54,356 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 274 places, 291 transitions, 780 flow [2022-11-18 19:58:54,358 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 291 transitions, 776 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:58:54,362 INFO L231 Difference]: Finished difference. Result has 272 places, 263 transitions, 554 flow [2022-11-18 19:58:54,362 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=546, PETRI_DIFFERENCE_MINUEND_PLACES=267, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=263, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=554, PETRI_PLACES=272, PETRI_TRANSITIONS=263} [2022-11-18 19:58:54,363 INFO L288 CegarLoopForPetriNet]: 343 programPoint places, -71 predicate places. [2022-11-18 19:58:54,363 INFO L495 AbstractCegarLoop]: Abstraction has has 272 places, 263 transitions, 554 flow [2022-11-18 19:58:54,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 270.0) internal successors, (1620), 6 states have internal predecessors, (1620), 0 states have call successors, (0), 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 19:58:54,364 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:58:54,364 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] [2022-11-18 19:58:54,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-18 19:58:54,364 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread3Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-11-18 19:58:54,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:58:54,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1356830296, now seen corresponding path program 1 times [2022-11-18 19:58:54,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:58:54,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834542708] [2022-11-18 19:58:54,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:58:54,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:58:54,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:54,435 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 19:58:54,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:58:54,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834542708] [2022-11-18 19:58:54,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834542708] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:58:54,436 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:58:54,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:58:54,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518347573] [2022-11-18 19:58:54,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:58:54,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:58:54,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:58:54,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:58:54,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:58:54,439 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 373 [2022-11-18 19:58:54,440 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 263 transitions, 554 flow. Second operand has 3 states, 3 states have (on average 296.0) internal successors, (888), 3 states have internal predecessors, (888), 0 states have call successors, (0), 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 19:58:54,440 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:58:54,440 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 373 [2022-11-18 19:58:54,440 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:58:54,685 INFO L130 PetriNetUnfolder]: 251/854 cut-off events. [2022-11-18 19:58:54,685 INFO L131 PetriNetUnfolder]: For 128/144 co-relation queries the response was YES. [2022-11-18 19:58:54,688 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1341 conditions, 854 events. 251/854 cut-off events. For 128/144 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 3919 event pairs, 110 based on Foata normal form. 0/764 useless extension candidates. Maximal degree in co-relation 1257. Up to 283 conditions per place. [2022-11-18 19:58:54,698 INFO L137 encePairwiseOnDemand]: 370/373 looper letters, 23 selfloop transitions, 2 changer transitions 0/269 dead transitions. [2022-11-18 19:58:54,699 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 269 transitions, 622 flow [2022-11-18 19:58:54,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:58:54,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:58:54,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 902 transitions. [2022-11-18 19:58:54,702 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8060768543342269 [2022-11-18 19:58:54,702 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 902 transitions. [2022-11-18 19:58:54,702 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 902 transitions. [2022-11-18 19:58:54,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:58:54,703 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 902 transitions. [2022-11-18 19:58:54,705 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 300.6666666666667) internal successors, (902), 3 states have internal predecessors, (902), 0 states have call successors, (0), 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 19:58:54,707 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 0 states have call successors, (0), 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 19:58:54,707 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 0 states have call successors, (0), 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 19:58:54,707 INFO L175 Difference]: Start difference. First operand has 272 places, 263 transitions, 554 flow. Second operand 3 states and 902 transitions. [2022-11-18 19:58:54,708 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 269 transitions, 622 flow [2022-11-18 19:58:54,710 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 269 places, 269 transitions, 615 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 19:58:54,713 INFO L231 Difference]: Finished difference. Result has 269 places, 262 transitions, 549 flow [2022-11-18 19:58:54,713 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=545, PETRI_DIFFERENCE_MINUEND_PLACES=267, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=549, PETRI_PLACES=269, PETRI_TRANSITIONS=262} [2022-11-18 19:58:54,714 INFO L288 CegarLoopForPetriNet]: 343 programPoint places, -74 predicate places. [2022-11-18 19:58:54,714 INFO L495 AbstractCegarLoop]: Abstraction has has 269 places, 262 transitions, 549 flow [2022-11-18 19:58:54,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.0) internal successors, (888), 3 states have internal predecessors, (888), 0 states have call successors, (0), 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 19:58:54,715 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:58:54,715 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] [2022-11-18 19:58:54,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-18 19:58:54,715 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-11-18 19:58:54,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:58:54,719 INFO L85 PathProgramCache]: Analyzing trace with hash -874103231, now seen corresponding path program 1 times [2022-11-18 19:58:54,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:58:54,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070961729] [2022-11-18 19:58:54,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:58:54,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:58:54,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:55,352 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 19:58:55,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:58:55,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070961729] [2022-11-18 19:58:55,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070961729] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:58:55,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:58:55,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 19:58:55,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365830060] [2022-11-18 19:58:55,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:58:55,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:58:55,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:58:55,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:58:55,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:58:55,356 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 373 [2022-11-18 19:58:55,358 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 262 transitions, 549 flow. Second operand has 6 states, 6 states have (on average 271.1666666666667) internal successors, (1627), 6 states have internal predecessors, (1627), 0 states have call successors, (0), 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 19:58:55,358 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:58:55,358 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 373 [2022-11-18 19:58:55,358 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:58:55,897 INFO L130 PetriNetUnfolder]: 391/1095 cut-off events. [2022-11-18 19:58:55,897 INFO L131 PetriNetUnfolder]: For 270/270 co-relation queries the response was YES. [2022-11-18 19:58:55,901 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2009 conditions, 1095 events. 391/1095 cut-off events. For 270/270 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 5433 event pairs, 211 based on Foata normal form. 0/980 useless extension candidates. Maximal degree in co-relation 1923. Up to 462 conditions per place. [2022-11-18 19:58:55,905 INFO L137 encePairwiseOnDemand]: 368/373 looper letters, 57 selfloop transitions, 4 changer transitions 1/281 dead transitions. [2022-11-18 19:58:55,905 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 281 transitions, 743 flow [2022-11-18 19:58:55,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:58:55,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 19:58:55,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1661 transitions. [2022-11-18 19:58:55,909 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7421805183199285 [2022-11-18 19:58:55,909 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1661 transitions. [2022-11-18 19:58:55,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1661 transitions. [2022-11-18 19:58:55,911 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:58:55,911 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1661 transitions. [2022-11-18 19:58:55,914 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 276.8333333333333) internal successors, (1661), 6 states have internal predecessors, (1661), 0 states have call successors, (0), 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 19:58:55,917 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 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 19:58:55,918 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 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 19:58:55,919 INFO L175 Difference]: Start difference. First operand has 269 places, 262 transitions, 549 flow. Second operand 6 states and 1661 transitions. [2022-11-18 19:58:55,919 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 281 transitions, 743 flow [2022-11-18 19:58:55,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 271 places, 281 transitions, 739 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:58:55,924 INFO L231 Difference]: Finished difference. Result has 271 places, 260 transitions, 549 flow [2022-11-18 19:58:55,924 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=543, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=261, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=257, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=549, PETRI_PLACES=271, PETRI_TRANSITIONS=260} [2022-11-18 19:58:55,925 INFO L288 CegarLoopForPetriNet]: 343 programPoint places, -72 predicate places. [2022-11-18 19:58:55,925 INFO L495 AbstractCegarLoop]: Abstraction has has 271 places, 260 transitions, 549 flow [2022-11-18 19:58:55,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 271.1666666666667) internal successors, (1627), 6 states have internal predecessors, (1627), 0 states have call successors, (0), 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 19:58:55,926 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:58:55,926 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, 1, 1, 1, 1, 1] [2022-11-18 19:58:55,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-18 19:58:55,927 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-11-18 19:58:55,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:58:55,927 INFO L85 PathProgramCache]: Analyzing trace with hash 332949466, now seen corresponding path program 1 times [2022-11-18 19:58:55,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:58:55,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224884000] [2022-11-18 19:58:55,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:58:55,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:58:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:56,764 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 19:58:56,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:58:56,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224884000] [2022-11-18 19:58:56,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224884000] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:58:56,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:58:56,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 19:58:56,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079108618] [2022-11-18 19:58:56,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:58:56,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:58:56,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:58:56,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:58:56,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:58:56,770 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 373 [2022-11-18 19:58:56,772 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 260 transitions, 549 flow. Second operand has 6 states, 6 states have (on average 272.5) internal successors, (1635), 6 states have internal predecessors, (1635), 0 states have call successors, (0), 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 19:58:56,772 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:58:56,773 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 373 [2022-11-18 19:58:56,773 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:58:57,241 INFO L130 PetriNetUnfolder]: 474/1223 cut-off events. [2022-11-18 19:58:57,241 INFO L131 PetriNetUnfolder]: For 270/270 co-relation queries the response was YES. [2022-11-18 19:58:57,245 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2212 conditions, 1223 events. 474/1223 cut-off events. For 270/270 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 6045 event pairs, 251 based on Foata normal form. 2/1115 useless extension candidates. Maximal degree in co-relation 2126. Up to 645 conditions per place. [2022-11-18 19:58:57,247 INFO L137 encePairwiseOnDemand]: 368/373 looper letters, 0 selfloop transitions, 0 changer transitions 267/267 dead transitions. [2022-11-18 19:58:57,247 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 274 places, 267 transitions, 675 flow [2022-11-18 19:58:57,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:58:57,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 19:58:57,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1651 transitions. [2022-11-18 19:58:57,251 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7377122430741734 [2022-11-18 19:58:57,251 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1651 transitions. [2022-11-18 19:58:57,252 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1651 transitions. [2022-11-18 19:58:57,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:58:57,253 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1651 transitions. [2022-11-18 19:58:57,256 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 275.1666666666667) internal successors, (1651), 6 states have internal predecessors, (1651), 0 states have call successors, (0), 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 19:58:57,260 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 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 19:58:57,260 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 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 19:58:57,261 INFO L175 Difference]: Start difference. First operand has 271 places, 260 transitions, 549 flow. Second operand 6 states and 1651 transitions. [2022-11-18 19:58:57,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 274 places, 267 transitions, 675 flow [2022-11-18 19:58:57,263 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 270 places, 267 transitions, 668 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 19:58:57,265 INFO L231 Difference]: Finished difference. Result has 270 places, 0 transitions, 0 flow [2022-11-18 19:58:57,265 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=540, PETRI_DIFFERENCE_MINUEND_PLACES=265, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=270, PETRI_TRANSITIONS=0} [2022-11-18 19:58:57,266 INFO L288 CegarLoopForPetriNet]: 343 programPoint places, -73 predicate places. [2022-11-18 19:58:57,266 INFO L495 AbstractCegarLoop]: Abstraction has has 270 places, 0 transitions, 0 flow [2022-11-18 19:58:57,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 272.5) internal successors, (1635), 6 states have internal predecessors, (1635), 0 states have call successors, (0), 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 19:58:57,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (121 of 122 remaining) [2022-11-18 19:58:57,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (120 of 122 remaining) [2022-11-18 19:58:57,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (119 of 122 remaining) [2022-11-18 19:58:57,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (118 of 122 remaining) [2022-11-18 19:58:57,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (117 of 122 remaining) [2022-11-18 19:58:57,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (116 of 122 remaining) [2022-11-18 19:58:57,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (115 of 122 remaining) [2022-11-18 19:58:57,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (114 of 122 remaining) [2022-11-18 19:58:57,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (113 of 122 remaining) [2022-11-18 19:58:57,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (112 of 122 remaining) [2022-11-18 19:58:57,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (111 of 122 remaining) [2022-11-18 19:58:57,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (110 of 122 remaining) [2022-11-18 19:58:57,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (109 of 122 remaining) [2022-11-18 19:58:57,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (108 of 122 remaining) [2022-11-18 19:58:57,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (107 of 122 remaining) [2022-11-18 19:58:57,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (106 of 122 remaining) [2022-11-18 19:58:57,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (105 of 122 remaining) [2022-11-18 19:58:57,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (104 of 122 remaining) [2022-11-18 19:58:57,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (103 of 122 remaining) [2022-11-18 19:58:57,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (102 of 122 remaining) [2022-11-18 19:58:57,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (101 of 122 remaining) [2022-11-18 19:58:57,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (100 of 122 remaining) [2022-11-18 19:58:57,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (99 of 122 remaining) [2022-11-18 19:58:57,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (98 of 122 remaining) [2022-11-18 19:58:57,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (97 of 122 remaining) [2022-11-18 19:58:57,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (96 of 122 remaining) [2022-11-18 19:58:57,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (95 of 122 remaining) [2022-11-18 19:58:57,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (94 of 122 remaining) [2022-11-18 19:58:57,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (93 of 122 remaining) [2022-11-18 19:58:57,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (92 of 122 remaining) [2022-11-18 19:58:57,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (91 of 122 remaining) [2022-11-18 19:58:57,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (90 of 122 remaining) [2022-11-18 19:58:57,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (89 of 122 remaining) [2022-11-18 19:58:57,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (88 of 122 remaining) [2022-11-18 19:58:57,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (87 of 122 remaining) [2022-11-18 19:58:57,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (86 of 122 remaining) [2022-11-18 19:58:57,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (85 of 122 remaining) [2022-11-18 19:58:57,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (84 of 122 remaining) [2022-11-18 19:58:57,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (83 of 122 remaining) [2022-11-18 19:58:57,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (82 of 122 remaining) [2022-11-18 19:58:57,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (81 of 122 remaining) [2022-11-18 19:58:57,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (80 of 122 remaining) [2022-11-18 19:58:57,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (79 of 122 remaining) [2022-11-18 19:58:57,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (78 of 122 remaining) [2022-11-18 19:58:57,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (77 of 122 remaining) [2022-11-18 19:58:57,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (76 of 122 remaining) [2022-11-18 19:58:57,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (75 of 122 remaining) [2022-11-18 19:58:57,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (74 of 122 remaining) [2022-11-18 19:58:57,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (73 of 122 remaining) [2022-11-18 19:58:57,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (72 of 122 remaining) [2022-11-18 19:58:57,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (71 of 122 remaining) [2022-11-18 19:58:57,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (70 of 122 remaining) [2022-11-18 19:58:57,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (69 of 122 remaining) [2022-11-18 19:58:57,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (68 of 122 remaining) [2022-11-18 19:58:57,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (67 of 122 remaining) [2022-11-18 19:58:57,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (66 of 122 remaining) [2022-11-18 19:58:57,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (65 of 122 remaining) [2022-11-18 19:58:57,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (64 of 122 remaining) [2022-11-18 19:58:57,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (63 of 122 remaining) [2022-11-18 19:58:57,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (62 of 122 remaining) [2022-11-18 19:58:57,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (61 of 122 remaining) [2022-11-18 19:58:57,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (60 of 122 remaining) [2022-11-18 19:58:57,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (59 of 122 remaining) [2022-11-18 19:58:57,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (58 of 122 remaining) [2022-11-18 19:58:57,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (57 of 122 remaining) [2022-11-18 19:58:57,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (56 of 122 remaining) [2022-11-18 19:58:57,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (55 of 122 remaining) [2022-11-18 19:58:57,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (54 of 122 remaining) [2022-11-18 19:58:57,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (53 of 122 remaining) [2022-11-18 19:58:57,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (52 of 122 remaining) [2022-11-18 19:58:57,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (51 of 122 remaining) [2022-11-18 19:58:57,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (50 of 122 remaining) [2022-11-18 19:58:57,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 122 remaining) [2022-11-18 19:58:57,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (48 of 122 remaining) [2022-11-18 19:58:57,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (47 of 122 remaining) [2022-11-18 19:58:57,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (46 of 122 remaining) [2022-11-18 19:58:57,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (45 of 122 remaining) [2022-11-18 19:58:57,287 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (44 of 122 remaining) [2022-11-18 19:58:57,287 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (43 of 122 remaining) [2022-11-18 19:58:57,287 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (42 of 122 remaining) [2022-11-18 19:58:57,287 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (41 of 122 remaining) [2022-11-18 19:58:57,287 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (40 of 122 remaining) [2022-11-18 19:58:57,288 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (39 of 122 remaining) [2022-11-18 19:58:57,288 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (38 of 122 remaining) [2022-11-18 19:58:57,288 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (37 of 122 remaining) [2022-11-18 19:58:57,288 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (36 of 122 remaining) [2022-11-18 19:58:57,288 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (35 of 122 remaining) [2022-11-18 19:58:57,288 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (34 of 122 remaining) [2022-11-18 19:58:57,289 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (33 of 122 remaining) [2022-11-18 19:58:57,289 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (32 of 122 remaining) [2022-11-18 19:58:57,289 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (31 of 122 remaining) [2022-11-18 19:58:57,289 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (30 of 122 remaining) [2022-11-18 19:58:57,289 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (29 of 122 remaining) [2022-11-18 19:58:57,290 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (28 of 122 remaining) [2022-11-18 19:58:57,290 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (27 of 122 remaining) [2022-11-18 19:58:57,290 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (26 of 122 remaining) [2022-11-18 19:58:57,290 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (25 of 122 remaining) [2022-11-18 19:58:57,290 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (24 of 122 remaining) [2022-11-18 19:58:57,291 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (23 of 122 remaining) [2022-11-18 19:58:57,291 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (22 of 122 remaining) [2022-11-18 19:58:57,291 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (21 of 122 remaining) [2022-11-18 19:58:57,291 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (20 of 122 remaining) [2022-11-18 19:58:57,291 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (19 of 122 remaining) [2022-11-18 19:58:57,292 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (18 of 122 remaining) [2022-11-18 19:58:57,292 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (17 of 122 remaining) [2022-11-18 19:58:57,292 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (16 of 122 remaining) [2022-11-18 19:58:57,292 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (15 of 122 remaining) [2022-11-18 19:58:57,292 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (14 of 122 remaining) [2022-11-18 19:58:57,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (13 of 122 remaining) [2022-11-18 19:58:57,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (12 of 122 remaining) [2022-11-18 19:58:57,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (11 of 122 remaining) [2022-11-18 19:58:57,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (10 of 122 remaining) [2022-11-18 19:58:57,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (9 of 122 remaining) [2022-11-18 19:58:57,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (8 of 122 remaining) [2022-11-18 19:58:57,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (7 of 122 remaining) [2022-11-18 19:58:57,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (6 of 122 remaining) [2022-11-18 19:58:57,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (5 of 122 remaining) [2022-11-18 19:58:57,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (4 of 122 remaining) [2022-11-18 19:58:57,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (3 of 122 remaining) [2022-11-18 19:58:57,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (2 of 122 remaining) [2022-11-18 19:58:57,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (1 of 122 remaining) [2022-11-18 19:58:57,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (0 of 122 remaining) [2022-11-18 19:58:57,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-18 19:58:57,296 INFO L444 BasicCegarLoop]: Path program histogram: [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 19:58:57,304 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-18 19:58:57,304 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 19:58:57,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 07:58:57 BasicIcfg [2022-11-18 19:58:57,312 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 19:58:57,313 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 19:58:57,313 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 19:58:57,313 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 19:58:57,314 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:58:45" (3/4) ... [2022-11-18 19:58:57,316 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 19:58:57,321 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-18 19:58:57,322 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-18 19:58:57,322 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-18 19:58:57,335 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2022-11-18 19:58:57,336 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-18 19:58:57,336 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 19:58:57,336 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 19:58:57,399 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8535280-d9da-41f0-9412-bb12d87beab7/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 19:58:57,399 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 19:58:57,401 INFO L158 Benchmark]: Toolchain (without parser) took 13775.17ms. Allocated memory was 138.4MB in the beginning and 484.4MB in the end (delta: 346.0MB). Free memory was 108.4MB in the beginning and 183.6MB in the end (delta: -75.2MB). Peak memory consumption was 270.4MB. Max. memory is 16.1GB. [2022-11-18 19:58:57,401 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 88.1MB. Free memory was 46.3MB in the beginning and 46.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:58:57,401 INFO L158 Benchmark]: CACSL2BoogieTranslator took 375.74ms. Allocated memory is still 138.4MB. Free memory was 108.1MB in the beginning and 111.1MB in the end (delta: -3.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 19:58:57,402 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.10ms. Allocated memory is still 138.4MB. Free memory was 111.1MB in the beginning and 107.5MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 19:58:57,402 INFO L158 Benchmark]: Boogie Preprocessor took 99.66ms. Allocated memory is still 138.4MB. Free memory was 107.5MB in the beginning and 104.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 19:58:57,403 INFO L158 Benchmark]: RCFGBuilder took 1596.84ms. Allocated memory is still 138.4MB. Free memory was 104.0MB in the beginning and 77.6MB in the end (delta: 26.4MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2022-11-18 19:58:57,404 INFO L158 Benchmark]: TraceAbstraction took 11526.55ms. Allocated memory was 138.4MB in the beginning and 484.4MB in the end (delta: 346.0MB). Free memory was 76.8MB in the beginning and 188.8MB in the end (delta: -112.0MB). Peak memory consumption was 234.6MB. Max. memory is 16.1GB. [2022-11-18 19:58:57,404 INFO L158 Benchmark]: Witness Printer took 86.95ms. Allocated memory is still 484.4MB. Free memory was 188.8MB in the beginning and 183.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 19:58:57,407 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 88.1MB. Free memory was 46.3MB in the beginning and 46.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 375.74ms. Allocated memory is still 138.4MB. Free memory was 108.1MB in the beginning and 111.1MB in the end (delta: -3.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.10ms. Allocated memory is still 138.4MB. Free memory was 111.1MB in the beginning and 107.5MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.66ms. Allocated memory is still 138.4MB. Free memory was 107.5MB in the beginning and 104.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1596.84ms. Allocated memory is still 138.4MB. Free memory was 104.0MB in the beginning and 77.6MB in the end (delta: 26.4MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. * TraceAbstraction took 11526.55ms. Allocated memory was 138.4MB in the beginning and 484.4MB in the end (delta: 346.0MB). Free memory was 76.8MB in the beginning and 188.8MB in the end (delta: -112.0MB). Peak memory consumption was 234.6MB. Max. memory is 16.1GB. * Witness Printer took 86.95ms. Allocated memory is still 484.4MB. Free memory was 188.8MB in the beginning and 183.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 47]: 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: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 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: 110]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 123]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 449 locations, 122 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: 11.3s, OverallIterations: 22, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 106 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 106 mSDsluCounter, 194 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 100 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 939 IncrementalHoareTripleChecker+Invalid, 1039 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 100 mSolverCounterUnsat, 194 mSDtfsCounter, 939 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=718occurred in iteration=0, InterpolantAutomatonStates: 78, 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, 3.3s InterpolantComputationTime, 2423 NumberOfCodeBlocks, 2423 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 2401 ConstructedInterpolants, 0 QuantifiedInterpolants, 2795 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 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 70 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-18 19:58:57,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8535280-d9da-41f0-9412-bb12d87beab7/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