./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-nondet/nondet-array-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31d774f-160b-49ef-97a3-b339e2e5b280/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31d774f-160b-49ef-97a3-b339e2e5b280/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31d774f-160b-49ef-97a3-b339e2e5b280/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31d774f-160b-49ef-97a3-b339e2e5b280/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-nondet/nondet-array-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31d774f-160b-49ef-97a3-b339e2e5b280/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31d774f-160b-49ef-97a3-b339e2e5b280/bin/uautomizer-ZsLfNo2U6R --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 2796c466e7d8363340777400f1e90c0fc7eb53096f49ded0fb8aa6814bf1ef21 --- 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-38b53e6 [2022-11-25 18:00:07,136 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:00:07,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:00:07,167 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:00:07,167 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:00:07,172 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:00:07,175 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:00:07,180 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:00:07,185 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:00:07,192 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:00:07,193 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:00:07,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:00:07,196 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:00:07,198 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:00:07,200 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:00:07,202 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:00:07,204 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:00:07,205 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:00:07,207 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:00:07,213 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:00:07,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:00:07,220 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:00:07,222 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:00:07,223 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:00:07,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:00:07,230 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:00:07,230 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:00:07,232 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:00:07,233 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:00:07,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:00:07,235 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:00:07,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:00:07,238 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:00:07,239 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:00:07,240 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:00:07,240 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:00:07,241 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:00:07,241 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:00:07,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:00:07,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:00:07,243 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:00:07,244 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31d774f-160b-49ef-97a3-b339e2e5b280/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-25 18:00:07,284 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:00:07,286 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:00:07,286 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:00:07,287 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:00:07,288 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:00:07,288 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:00:07,289 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:00:07,289 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:00:07,289 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:00:07,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:00:07,290 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 18:00:07,291 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 18:00:07,291 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:00:07,291 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 18:00:07,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:00:07,292 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:00:07,292 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:00:07,292 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:00:07,292 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-25 18:00:07,293 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 18:00:07,293 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:00:07,293 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:00:07,293 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:00:07,294 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:00:07,294 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:00:07,294 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:00:07,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:00:07,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:00:07,295 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:00:07,295 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:00:07,295 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:00:07,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:00:07,296 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 18:00:07,296 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:00:07,296 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 18:00:07,297 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:00:07,297 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31d774f-160b-49ef-97a3-b339e2e5b280/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31d774f-160b-49ef-97a3-b339e2e5b280/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2796c466e7d8363340777400f1e90c0fc7eb53096f49ded0fb8aa6814bf1ef21 [2022-11-25 18:00:07,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:00:07,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:00:07,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:00:07,662 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:00:07,662 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:00:07,663 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31d774f-160b-49ef-97a3-b339e2e5b280/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/pthread-nondet/nondet-array-2.i [2022-11-25 18:00:10,746 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:00:10,987 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:00:10,987 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31d774f-160b-49ef-97a3-b339e2e5b280/sv-benchmarks/c/pthread-nondet/nondet-array-2.i [2022-11-25 18:00:11,000 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31d774f-160b-49ef-97a3-b339e2e5b280/bin/uautomizer-ZsLfNo2U6R/data/d1e00b4dd/b710479917db45f8b82b7aab3aed3974/FLAG663535809 [2022-11-25 18:00:11,015 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31d774f-160b-49ef-97a3-b339e2e5b280/bin/uautomizer-ZsLfNo2U6R/data/d1e00b4dd/b710479917db45f8b82b7aab3aed3974 [2022-11-25 18:00:11,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:00:11,019 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:00:11,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:00:11,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:00:11,024 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:00:11,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:00:11" (1/1) ... [2022-11-25 18:00:11,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7375116c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:00:11, skipping insertion in model container [2022-11-25 18:00:11,026 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:00:11" (1/1) ... [2022-11-25 18:00:11,034 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:00:11,071 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:00:11,457 WARN L237 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_e31d774f-160b-49ef-97a3-b339e2e5b280/sv-benchmarks/c/pthread-nondet/nondet-array-2.i[30035,30048] [2022-11-25 18:00:11,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:00:11,505 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:00:11,561 WARN L237 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_e31d774f-160b-49ef-97a3-b339e2e5b280/sv-benchmarks/c/pthread-nondet/nondet-array-2.i[30035,30048] [2022-11-25 18:00:11,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:00:11,622 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:00:11,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:00:11 WrapperNode [2022-11-25 18:00:11,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:00:11,624 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:00:11,624 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:00:11,625 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:00:11,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:00:11" (1/1) ... [2022-11-25 18:00:11,668 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:00:11" (1/1) ... [2022-11-25 18:00:11,694 INFO L138 Inliner]: procedures = 170, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 83 [2022-11-25 18:00:11,694 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:00:11,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:00:11,695 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:00:11,695 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:00:11,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:00:11" (1/1) ... [2022-11-25 18:00:11,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:00:11" (1/1) ... [2022-11-25 18:00:11,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:00:11" (1/1) ... [2022-11-25 18:00:11,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:00:11" (1/1) ... [2022-11-25 18:00:11,729 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:00:11" (1/1) ... [2022-11-25 18:00:11,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:00:11" (1/1) ... [2022-11-25 18:00:11,737 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:00:11" (1/1) ... [2022-11-25 18:00:11,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:00:11" (1/1) ... [2022-11-25 18:00:11,742 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:00:11,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:00:11,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:00:11,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:00:11,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:00:11" (1/1) ... [2022-11-25 18:00:11,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:00:11,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31d774f-160b-49ef-97a3-b339e2e5b280/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:00:11,777 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31d774f-160b-49ef-97a3-b339e2e5b280/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:00:11,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31d774f-160b-49ef-97a3-b339e2e5b280/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:00:11,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 18:00:11,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 18:00:11,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 18:00:11,814 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2022-11-25 18:00:11,814 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2022-11-25 18:00:11,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:00:11,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 18:00:11,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 18:00:11,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:00:11,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:00:11,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:00:11,817 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 18:00:11,972 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:00:11,974 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:00:12,267 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:00:12,280 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:00:12,281 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-25 18:00:12,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:00:12 BoogieIcfgContainer [2022-11-25 18:00:12,283 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:00:12,286 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:00:12,286 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:00:12,289 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:00:12,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:00:11" (1/3) ... [2022-11-25 18:00:12,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fdc7956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:00:12, skipping insertion in model container [2022-11-25 18:00:12,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:00:11" (2/3) ... [2022-11-25 18:00:12,295 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fdc7956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:00:12, skipping insertion in model container [2022-11-25 18:00:12,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:00:12" (3/3) ... [2022-11-25 18:00:12,297 INFO L112 eAbstractionObserver]: Analyzing ICFG nondet-array-2.i [2022-11-25 18:00:12,307 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 18:00:12,316 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:00:12,316 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-11-25 18:00:12,316 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 18:00:12,455 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-25 18:00:12,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 111 places, 115 transitions, 238 flow [2022-11-25 18:00:12,648 INFO L130 PetriNetUnfolder]: 12/164 cut-off events. [2022-11-25 18:00:12,649 INFO L131 PetriNetUnfolder]: For 1/2 co-relation queries the response was YES. [2022-11-25 18:00:12,655 INFO L83 FinitePrefix]: Finished finitePrefix Result has 170 conditions, 164 events. 12/164 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 424 event pairs, 0 based on Foata normal form. 0/142 useless extension candidates. Maximal degree in co-relation 82. Up to 4 conditions per place. [2022-11-25 18:00:12,655 INFO L82 GeneralOperation]: Start removeDead. Operand has 111 places, 115 transitions, 238 flow [2022-11-25 18:00:12,662 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 111 places, 115 transitions, 238 flow [2022-11-25 18:00:12,666 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 18:00:12,682 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 111 places, 115 transitions, 238 flow [2022-11-25 18:00:12,685 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 111 places, 115 transitions, 238 flow [2022-11-25 18:00:12,686 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 111 places, 115 transitions, 238 flow [2022-11-25 18:00:12,725 INFO L130 PetriNetUnfolder]: 12/164 cut-off events. [2022-11-25 18:00:12,725 INFO L131 PetriNetUnfolder]: For 1/2 co-relation queries the response was YES. [2022-11-25 18:00:12,726 INFO L83 FinitePrefix]: Finished finitePrefix Result has 170 conditions, 164 events. 12/164 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 424 event pairs, 0 based on Foata normal form. 0/142 useless extension candidates. Maximal degree in co-relation 82. Up to 4 conditions per place. [2022-11-25 18:00:12,728 INFO L119 LiptonReduction]: Number of co-enabled transitions 2310 [2022-11-25 18:00:16,093 INFO L134 LiptonReduction]: Checked pairs total: 7219 [2022-11-25 18:00:16,094 INFO L136 LiptonReduction]: Total number of compositions: 104 [2022-11-25 18:00:16,120 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 18:00:16,128 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;@1d004390, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:00:16,129 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-11-25 18:00:16,134 INFO L130 PetriNetUnfolder]: 0/9 cut-off events. [2022-11-25 18:00:16,134 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 18:00:16,135 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:00:16,136 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-11-25 18:00:16,137 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-25 18:00:16,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:16,144 INFO L85 PathProgramCache]: Analyzing trace with hash 12935679, now seen corresponding path program 1 times [2022-11-25 18:00:16,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:00:16,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703076289] [2022-11-25 18:00:16,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:16,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:00:16,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:16,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:00:16,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:00:16,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703076289] [2022-11-25 18:00:16,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703076289] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:16,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:16,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 18:00:16,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492990072] [2022-11-25 18:00:16,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:16,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 18:00:16,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:00:16,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 18:00:16,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 18:00:16,385 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 219 [2022-11-25 18:00:16,387 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 33 transitions, 74 flow. Second operand has 2 states, 2 states have (on average 109.0) internal successors, (218), 2 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:16,388 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 18:00:16,388 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 219 [2022-11-25 18:00:16,389 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 18:00:16,444 INFO L130 PetriNetUnfolder]: 27/134 cut-off events. [2022-11-25 18:00:16,445 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-25 18:00:16,445 INFO L83 FinitePrefix]: Finished finitePrefix Result has 209 conditions, 134 events. 27/134 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 655 event pairs, 21 based on Foata normal form. 0/115 useless extension candidates. Maximal degree in co-relation 166. Up to 68 conditions per place. [2022-11-25 18:00:16,447 INFO L137 encePairwiseOnDemand]: 217/219 looper letters, 15 selfloop transitions, 0 changer transitions 0/31 dead transitions. [2022-11-25 18:00:16,447 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 31 transitions, 100 flow [2022-11-25 18:00:16,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:00:16,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-25 18:00:16,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 231 transitions. [2022-11-25 18:00:16,461 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5273972602739726 [2022-11-25 18:00:16,462 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 231 transitions. [2022-11-25 18:00:16,463 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 231 transitions. [2022-11-25 18:00:16,464 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:00:16,467 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 231 transitions. [2022-11-25 18:00:16,470 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 115.5) internal successors, (231), 2 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:16,475 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 219.0) internal successors, (657), 3 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:16,476 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 219.0) internal successors, (657), 3 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:16,478 INFO L175 Difference]: Start difference. First operand has 34 places, 33 transitions, 74 flow. Second operand 2 states and 231 transitions. [2022-11-25 18:00:16,479 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 31 transitions, 100 flow [2022-11-25 18:00:16,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 31 transitions, 100 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-25 18:00:16,483 INFO L231 Difference]: Finished difference. Result has 33 places, 31 transitions, 70 flow [2022-11-25 18:00:16,485 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=70, PETRI_PLACES=33, PETRI_TRANSITIONS=31} [2022-11-25 18:00:16,488 INFO L288 CegarLoopForPetriNet]: 34 programPoint places, -1 predicate places. [2022-11-25 18:00:16,489 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 31 transitions, 70 flow [2022-11-25 18:00:16,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 109.0) internal successors, (218), 2 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:16,489 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:00:16,489 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1] [2022-11-25 18:00:16,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 18:00:16,490 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-25 18:00:16,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:16,491 INFO L85 PathProgramCache]: Analyzing trace with hash -453668047, now seen corresponding path program 1 times [2022-11-25 18:00:16,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:00:16,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752532416] [2022-11-25 18:00:16,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:16,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:00:16,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:00:16,537 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:00:16,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:00:16,593 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:00:16,595 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 18:00:16,598 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 9 remaining) [2022-11-25 18:00:16,604 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2022-11-25 18:00:16,608 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2022-11-25 18:00:16,609 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2022-11-25 18:00:16,610 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (4 of 9 remaining) [2022-11-25 18:00:16,610 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2022-11-25 18:00:16,610 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2022-11-25 18:00:16,611 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2022-11-25 18:00:16,612 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2022-11-25 18:00:16,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 18:00:16,612 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 18:00:16,615 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-25 18:00:16,616 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-11-25 18:00:16,649 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-25 18:00:16,657 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 135 places, 138 transitions, 294 flow [2022-11-25 18:00:16,718 INFO L130 PetriNetUnfolder]: 23/293 cut-off events. [2022-11-25 18:00:16,718 INFO L131 PetriNetUnfolder]: For 6/8 co-relation queries the response was YES. [2022-11-25 18:00:16,720 INFO L83 FinitePrefix]: Finished finitePrefix Result has 307 conditions, 293 events. 23/293 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 906 event pairs, 0 based on Foata normal form. 0/252 useless extension candidates. Maximal degree in co-relation 166. Up to 8 conditions per place. [2022-11-25 18:00:16,720 INFO L82 GeneralOperation]: Start removeDead. Operand has 135 places, 138 transitions, 294 flow [2022-11-25 18:00:16,722 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 135 places, 138 transitions, 294 flow [2022-11-25 18:00:16,723 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 18:00:16,723 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 135 places, 138 transitions, 294 flow [2022-11-25 18:00:16,723 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 135 places, 138 transitions, 294 flow [2022-11-25 18:00:16,723 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 135 places, 138 transitions, 294 flow [2022-11-25 18:00:16,762 INFO L130 PetriNetUnfolder]: 23/293 cut-off events. [2022-11-25 18:00:16,762 INFO L131 PetriNetUnfolder]: For 6/8 co-relation queries the response was YES. [2022-11-25 18:00:16,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 307 conditions, 293 events. 23/293 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 906 event pairs, 0 based on Foata normal form. 0/252 useless extension candidates. Maximal degree in co-relation 166. Up to 8 conditions per place. [2022-11-25 18:00:16,770 INFO L119 LiptonReduction]: Number of co-enabled transitions 5964 [2022-11-25 18:00:20,015 INFO L134 LiptonReduction]: Checked pairs total: 31776 [2022-11-25 18:00:20,015 INFO L136 LiptonReduction]: Total number of compositions: 92 [2022-11-25 18:00:20,018 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 18:00:20,019 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;@1d004390, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:00:20,019 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-11-25 18:00:20,022 INFO L130 PetriNetUnfolder]: 0/14 cut-off events. [2022-11-25 18:00:20,022 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 18:00:20,022 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:00:20,022 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 18:00:20,023 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 9 more)] === [2022-11-25 18:00:20,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:20,023 INFO L85 PathProgramCache]: Analyzing trace with hash 644629659, now seen corresponding path program 1 times [2022-11-25 18:00:20,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:00:20,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656385221] [2022-11-25 18:00:20,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:20,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:00:20,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:20,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:00:20,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:00:20,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656385221] [2022-11-25 18:00:20,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656385221] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:20,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:20,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:00:20,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116176788] [2022-11-25 18:00:20,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:20,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:00:20,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:00:20,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:00:20,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:00:20,117 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 230 [2022-11-25 18:00:20,118 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 58 transitions, 134 flow. Second operand has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:20,118 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 18:00:20,119 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 230 [2022-11-25 18:00:20,119 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 18:00:20,575 INFO L130 PetriNetUnfolder]: 1239/2956 cut-off events. [2022-11-25 18:00:20,575 INFO L131 PetriNetUnfolder]: For 77/81 co-relation queries the response was YES. [2022-11-25 18:00:20,584 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5063 conditions, 2956 events. 1239/2956 cut-off events. For 77/81 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 20881 event pairs, 420 based on Foata normal form. 0/2516 useless extension candidates. Maximal degree in co-relation 3458. Up to 1173 conditions per place. [2022-11-25 18:00:20,599 INFO L137 encePairwiseOnDemand]: 222/230 looper letters, 48 selfloop transitions, 6 changer transitions 0/83 dead transitions. [2022-11-25 18:00:20,599 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 83 transitions, 303 flow [2022-11-25 18:00:20,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:00:20,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-25 18:00:20,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 416 transitions. [2022-11-25 18:00:20,603 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6028985507246377 [2022-11-25 18:00:20,603 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 416 transitions. [2022-11-25 18:00:20,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 416 transitions. [2022-11-25 18:00:20,604 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:00:20,605 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 416 transitions. [2022-11-25 18:00:20,606 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:20,609 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 230.0) internal successors, (920), 4 states have internal predecessors, (920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:20,610 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 230.0) internal successors, (920), 4 states have internal predecessors, (920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:20,610 INFO L175 Difference]: Start difference. First operand has 60 places, 58 transitions, 134 flow. Second operand 3 states and 416 transitions. [2022-11-25 18:00:20,610 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 83 transitions, 303 flow [2022-11-25 18:00:20,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 83 transitions, 303 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-25 18:00:20,613 INFO L231 Difference]: Finished difference. Result has 64 places, 64 transitions, 186 flow [2022-11-25 18:00:20,614 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=230, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=186, PETRI_PLACES=64, PETRI_TRANSITIONS=64} [2022-11-25 18:00:20,615 INFO L288 CegarLoopForPetriNet]: 60 programPoint places, 4 predicate places. [2022-11-25 18:00:20,615 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 64 transitions, 186 flow [2022-11-25 18:00:20,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:20,616 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:00:20,616 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:00:20,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 18:00:20,616 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 9 more)] === [2022-11-25 18:00:20,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:20,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1249606540, now seen corresponding path program 1 times [2022-11-25 18:00:20,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:00:20,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483020659] [2022-11-25 18:00:20,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:20,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:00:20,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:20,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:00:20,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:00:20,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483020659] [2022-11-25 18:00:20,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483020659] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:20,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:20,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:00:20,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965820598] [2022-11-25 18:00:20,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:20,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:00:20,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:00:20,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:00:20,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:00:20,847 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 230 [2022-11-25 18:00:20,848 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 64 transitions, 186 flow. Second operand has 4 states, 4 states have (on average 113.75) internal successors, (455), 4 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:20,848 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 18:00:20,849 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 230 [2022-11-25 18:00:20,849 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 18:00:21,198 INFO L130 PetriNetUnfolder]: 851/2485 cut-off events. [2022-11-25 18:00:21,199 INFO L131 PetriNetUnfolder]: For 527/547 co-relation queries the response was YES. [2022-11-25 18:00:21,204 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4508 conditions, 2485 events. 851/2485 cut-off events. For 527/547 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 19113 event pairs, 275 based on Foata normal form. 0/2123 useless extension candidates. Maximal degree in co-relation 1389. Up to 634 conditions per place. [2022-11-25 18:00:21,215 INFO L137 encePairwiseOnDemand]: 221/230 looper letters, 56 selfloop transitions, 8 changer transitions 2/103 dead transitions. [2022-11-25 18:00:21,215 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 103 transitions, 438 flow [2022-11-25 18:00:21,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 18:00:21,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-11-25 18:00:21,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 511 transitions. [2022-11-25 18:00:21,218 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5554347826086956 [2022-11-25 18:00:21,218 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 511 transitions. [2022-11-25 18:00:21,219 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 511 transitions. [2022-11-25 18:00:21,219 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:00:21,219 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 511 transitions. [2022-11-25 18:00:21,221 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 127.75) internal successors, (511), 4 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:21,224 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 230.0) internal successors, (1150), 5 states have internal predecessors, (1150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:21,225 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 230.0) internal successors, (1150), 5 states have internal predecessors, (1150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:21,225 INFO L175 Difference]: Start difference. First operand has 64 places, 64 transitions, 186 flow. Second operand 4 states and 511 transitions. [2022-11-25 18:00:21,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 103 transitions, 438 flow [2022-11-25 18:00:21,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 103 transitions, 414 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-25 18:00:21,231 INFO L231 Difference]: Finished difference. Result has 67 places, 69 transitions, 222 flow [2022-11-25 18:00:21,232 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=230, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=222, PETRI_PLACES=67, PETRI_TRANSITIONS=69} [2022-11-25 18:00:21,232 INFO L288 CegarLoopForPetriNet]: 60 programPoint places, 7 predicate places. [2022-11-25 18:00:21,233 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 69 transitions, 222 flow [2022-11-25 18:00:21,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 113.75) internal successors, (455), 4 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:21,233 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:00:21,234 INFO L209 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-25 18:00:21,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 18:00:21,234 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 9 more)] === [2022-11-25 18:00:21,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:21,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1444961427, now seen corresponding path program 1 times [2022-11-25 18:00:21,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:00:21,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880584203] [2022-11-25 18:00:21,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:21,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:00:21,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:00:21,259 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:00:21,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:00:21,276 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:00:21,276 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 18:00:21,277 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 12 remaining) [2022-11-25 18:00:21,277 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (10 of 12 remaining) [2022-11-25 18:00:21,277 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (9 of 12 remaining) [2022-11-25 18:00:21,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (8 of 12 remaining) [2022-11-25 18:00:21,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining) [2022-11-25 18:00:21,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining) [2022-11-25 18:00:21,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining) [2022-11-25 18:00:21,279 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (4 of 12 remaining) [2022-11-25 18:00:21,279 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (3 of 12 remaining) [2022-11-25 18:00:21,279 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (2 of 12 remaining) [2022-11-25 18:00:21,279 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (1 of 12 remaining) [2022-11-25 18:00:21,280 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining) [2022-11-25 18:00:21,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 18:00:21,280 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-25 18:00:21,281 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-25 18:00:21,281 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-11-25 18:00:21,320 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-25 18:00:21,323 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 159 places, 161 transitions, 352 flow [2022-11-25 18:00:21,389 INFO L130 PetriNetUnfolder]: 45/519 cut-off events. [2022-11-25 18:00:21,389 INFO L131 PetriNetUnfolder]: For 19/22 co-relation queries the response was YES. [2022-11-25 18:00:21,391 INFO L83 FinitePrefix]: Finished finitePrefix Result has 547 conditions, 519 events. 45/519 cut-off events. For 19/22 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1967 event pairs, 1 based on Foata normal form. 0/445 useless extension candidates. Maximal degree in co-relation 301. Up to 16 conditions per place. [2022-11-25 18:00:21,391 INFO L82 GeneralOperation]: Start removeDead. Operand has 159 places, 161 transitions, 352 flow [2022-11-25 18:00:21,394 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 159 places, 161 transitions, 352 flow [2022-11-25 18:00:21,395 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 18:00:21,395 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 159 places, 161 transitions, 352 flow [2022-11-25 18:00:21,395 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 159 places, 161 transitions, 352 flow [2022-11-25 18:00:21,396 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 159 places, 161 transitions, 352 flow [2022-11-25 18:00:21,457 INFO L130 PetriNetUnfolder]: 45/519 cut-off events. [2022-11-25 18:00:21,458 INFO L131 PetriNetUnfolder]: For 19/22 co-relation queries the response was YES. [2022-11-25 18:00:21,459 INFO L83 FinitePrefix]: Finished finitePrefix Result has 547 conditions, 519 events. 45/519 cut-off events. For 19/22 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1967 event pairs, 1 based on Foata normal form. 0/445 useless extension candidates. Maximal degree in co-relation 301. Up to 16 conditions per place. [2022-11-25 18:00:21,472 INFO L119 LiptonReduction]: Number of co-enabled transitions 10458 [2022-11-25 18:00:24,655 INFO L134 LiptonReduction]: Checked pairs total: 54200 [2022-11-25 18:00:24,655 INFO L136 LiptonReduction]: Total number of compositions: 100 [2022-11-25 18:00:24,658 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 18:00:24,659 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;@1d004390, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:00:24,659 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-11-25 18:00:24,662 INFO L130 PetriNetUnfolder]: 0/14 cut-off events. [2022-11-25 18:00:24,662 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 18:00:24,662 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:00:24,662 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 18:00:24,663 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 12 more)] === [2022-11-25 18:00:24,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:24,663 INFO L85 PathProgramCache]: Analyzing trace with hash 915433243, now seen corresponding path program 1 times [2022-11-25 18:00:24,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:00:24,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019387659] [2022-11-25 18:00:24,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:24,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:00:24,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:24,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:00:24,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:00:24,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019387659] [2022-11-25 18:00:24,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019387659] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:24,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:24,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:00:24,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357482509] [2022-11-25 18:00:24,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:24,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:00:24,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:00:24,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:00:24,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:00:24,758 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 261 [2022-11-25 18:00:24,759 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 75 transitions, 180 flow. Second operand has 3 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:24,760 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 18:00:24,760 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 261 [2022-11-25 18:00:24,760 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 18:00:29,247 INFO L130 PetriNetUnfolder]: 19347/37426 cut-off events. [2022-11-25 18:00:29,248 INFO L131 PetriNetUnfolder]: For 1545/1623 co-relation queries the response was YES. [2022-11-25 18:00:29,339 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66168 conditions, 37426 events. 19347/37426 cut-off events. For 1545/1623 co-relation queries the response was YES. Maximal size of possible extension queue 1270. Compared 357147 event pairs, 7149 based on Foata normal form. 0/32216 useless extension candidates. Maximal degree in co-relation 33199. Up to 15316 conditions per place. [2022-11-25 18:00:29,553 INFO L137 encePairwiseOnDemand]: 249/261 looper letters, 62 selfloop transitions, 9 changer transitions 0/108 dead transitions. [2022-11-25 18:00:29,553 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 108 transitions, 409 flow [2022-11-25 18:00:29,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:00:29,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-25 18:00:29,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 485 transitions. [2022-11-25 18:00:29,555 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6194125159642401 [2022-11-25 18:00:29,556 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 485 transitions. [2022-11-25 18:00:29,556 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 485 transitions. [2022-11-25 18:00:29,556 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:00:29,556 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 485 transitions. [2022-11-25 18:00:29,558 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:29,560 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 261.0) internal successors, (1044), 4 states have internal predecessors, (1044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:29,561 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 261.0) internal successors, (1044), 4 states have internal predecessors, (1044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:29,561 INFO L175 Difference]: Start difference. First operand has 78 places, 75 transitions, 180 flow. Second operand 3 states and 485 transitions. [2022-11-25 18:00:29,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 108 transitions, 409 flow [2022-11-25 18:00:29,566 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 108 transitions, 409 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-25 18:00:29,568 INFO L231 Difference]: Finished difference. Result has 82 places, 84 transitions, 258 flow [2022-11-25 18:00:29,569 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=261, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=258, PETRI_PLACES=82, PETRI_TRANSITIONS=84} [2022-11-25 18:00:29,573 INFO L288 CegarLoopForPetriNet]: 78 programPoint places, 4 predicate places. [2022-11-25 18:00:29,574 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 84 transitions, 258 flow [2022-11-25 18:00:29,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:29,574 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:00:29,574 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:00:29,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 18:00:29,575 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 12 more)] === [2022-11-25 18:00:29,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:29,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1266632679, now seen corresponding path program 1 times [2022-11-25 18:00:29,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:00:29,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135823616] [2022-11-25 18:00:29,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:29,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:00:29,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:29,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:00:29,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:00:29,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135823616] [2022-11-25 18:00:29,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135823616] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:29,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:29,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:00:29,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249961003] [2022-11-25 18:00:29,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:29,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:00:29,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:00:29,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:00:29,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:00:29,775 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 261 [2022-11-25 18:00:29,776 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 84 transitions, 258 flow. Second operand has 4 states, 4 states have (on average 134.75) internal successors, (539), 4 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:29,776 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 18:00:29,776 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 261 [2022-11-25 18:00:29,776 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 18:00:33,292 INFO L130 PetriNetUnfolder]: 14536/33268 cut-off events. [2022-11-25 18:00:33,292 INFO L131 PetriNetUnfolder]: For 10877/11120 co-relation queries the response was YES. [2022-11-25 18:00:33,356 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64066 conditions, 33268 events. 14536/33268 cut-off events. For 10877/11120 co-relation queries the response was YES. Maximal size of possible extension queue 976. Compared 362911 event pairs, 4759 based on Foata normal form. 1/28636 useless extension candidates. Maximal degree in co-relation 7197. Up to 9779 conditions per place. [2022-11-25 18:00:33,504 INFO L137 encePairwiseOnDemand]: 252/261 looper letters, 80 selfloop transitions, 8 changer transitions 2/138 dead transitions. [2022-11-25 18:00:33,504 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 138 transitions, 615 flow [2022-11-25 18:00:33,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 18:00:33,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-11-25 18:00:33,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 613 transitions. [2022-11-25 18:00:33,507 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5871647509578544 [2022-11-25 18:00:33,507 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 613 transitions. [2022-11-25 18:00:33,507 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 613 transitions. [2022-11-25 18:00:33,508 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:00:33,508 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 613 transitions. [2022-11-25 18:00:33,510 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 153.25) internal successors, (613), 4 states have internal predecessors, (613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:33,512 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 261.0) internal successors, (1305), 5 states have internal predecessors, (1305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:33,513 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 261.0) internal successors, (1305), 5 states have internal predecessors, (1305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:33,514 INFO L175 Difference]: Start difference. First operand has 82 places, 84 transitions, 258 flow. Second operand 4 states and 613 transitions. [2022-11-25 18:00:33,514 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 138 transitions, 615 flow [2022-11-25 18:00:33,566 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 138 transitions, 577 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-25 18:00:33,570 INFO L231 Difference]: Finished difference. Result has 85 places, 89 transitions, 288 flow [2022-11-25 18:00:33,570 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=261, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=288, PETRI_PLACES=85, PETRI_TRANSITIONS=89} [2022-11-25 18:00:33,572 INFO L288 CegarLoopForPetriNet]: 78 programPoint places, 7 predicate places. [2022-11-25 18:00:33,572 INFO L495 AbstractCegarLoop]: Abstraction has has 85 places, 89 transitions, 288 flow [2022-11-25 18:00:33,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 134.75) internal successors, (539), 4 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:33,573 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:00:33,573 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:00:33,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 18:00:33,577 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thrErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 12 more)] === [2022-11-25 18:00:33,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:33,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1059621507, now seen corresponding path program 1 times [2022-11-25 18:00:33,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:00:33,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101966690] [2022-11-25 18:00:33,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:33,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:00:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:34,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:00:34,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:00:34,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101966690] [2022-11-25 18:00:34,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101966690] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:34,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:34,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 18:00:34,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572216425] [2022-11-25 18:00:34,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:34,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:00:34,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:00:34,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:00:34,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:00:34,240 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 261 [2022-11-25 18:00:34,242 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 89 transitions, 288 flow. Second operand has 6 states, 6 states have (on average 124.83333333333333) internal successors, (749), 6 states have internal predecessors, (749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:34,242 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 18:00:34,242 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 261 [2022-11-25 18:00:34,242 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 18:00:59,175 INFO L130 PetriNetUnfolder]: 162212/262530 cut-off events. [2022-11-25 18:00:59,175 INFO L131 PetriNetUnfolder]: For 67275/67276 co-relation queries the response was YES. [2022-11-25 18:00:59,643 INFO L83 FinitePrefix]: Finished finitePrefix Result has 572078 conditions, 262530 events. 162212/262530 cut-off events. For 67275/67276 co-relation queries the response was YES. Maximal size of possible extension queue 5090. Compared 2446500 event pairs, 70257 based on Foata normal form. 0/250377 useless extension candidates. Maximal degree in co-relation 173010. Up to 144688 conditions per place. [2022-11-25 18:01:01,292 INFO L137 encePairwiseOnDemand]: 238/261 looper letters, 201 selfloop transitions, 58 changer transitions 0/286 dead transitions. [2022-11-25 18:01:01,293 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 286 transitions, 1460 flow [2022-11-25 18:01:01,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:01:01,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-25 18:01:01,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 956 transitions. [2022-11-25 18:01:01,297 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6104725415070242 [2022-11-25 18:01:01,297 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 956 transitions. [2022-11-25 18:01:01,297 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 956 transitions. [2022-11-25 18:01:01,298 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:01:01,298 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 956 transitions. [2022-11-25 18:01:01,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 159.33333333333334) internal successors, (956), 6 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:01:01,305 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 261.0) internal successors, (1827), 7 states have internal predecessors, (1827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:01:01,306 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 261.0) internal successors, (1827), 7 states have internal predecessors, (1827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:01:01,307 INFO L175 Difference]: Start difference. First operand has 85 places, 89 transitions, 288 flow. Second operand 6 states and 956 transitions. [2022-11-25 18:01:01,307 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 286 transitions, 1460 flow [2022-11-25 18:01:01,652 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 286 transitions, 1450 flow, removed 5 selfloop flow, removed 0 redundant places. [2022-11-25 18:01:01,656 INFO L231 Difference]: Finished difference. Result has 94 places, 149 transitions, 660 flow [2022-11-25 18:01:01,657 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=261, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=660, PETRI_PLACES=94, PETRI_TRANSITIONS=149} [2022-11-25 18:01:01,657 INFO L288 CegarLoopForPetriNet]: 78 programPoint places, 16 predicate places. [2022-11-25 18:01:01,658 INFO L495 AbstractCegarLoop]: Abstraction has has 94 places, 149 transitions, 660 flow [2022-11-25 18:01:01,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 124.83333333333333) internal successors, (749), 6 states have internal predecessors, (749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:01:01,658 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:01:01,659 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:01:01,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 18:01:01,659 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 12 more)] === [2022-11-25 18:01:01,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:01:01,660 INFO L85 PathProgramCache]: Analyzing trace with hash 58712927, now seen corresponding path program 1 times [2022-11-25 18:01:01,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:01:01,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631618544] [2022-11-25 18:01:01,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:01:01,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:01:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:01:01,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 18:01:01,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:01:01,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631618544] [2022-11-25 18:01:01,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631618544] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:01:01,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:01:01,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 18:01:01,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533318784] [2022-11-25 18:01:01,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:01:01,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:01:01,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:01:01,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:01:01,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:01:02,157 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 261 [2022-11-25 18:01:02,158 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 149 transitions, 660 flow. Second operand has 6 states, 6 states have (on average 122.83333333333333) internal successors, (737), 6 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:01:02,159 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 18:01:02,159 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 261 [2022-11-25 18:01:02,159 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 18:01:08,001 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([853] L694-1-->L694-3: Formula: (= |v_#race_1316| (store |v_#race_1317| |v_~#a~0.base_542| (store (select |v_#race_1317| |v_~#a~0.base_542|) (+ (* v_thrThread3of3ForFork0_~t~0_49 4) |v_~#a~0.offset_541|) |v_thrThread3of3ForFork0_#t~nondet3_41|))) InVars {#race=|v_#race_1317|, thrThread3of3ForFork0_~t~0=v_thrThread3of3ForFork0_~t~0_49, ~#a~0.base=|v_~#a~0.base_542|, ~#a~0.offset=|v_~#a~0.offset_541|} OutVars{#race=|v_#race_1316|, thrThread3of3ForFork0_~t~0=v_thrThread3of3ForFork0_~t~0_49, ~#a~0.base=|v_~#a~0.base_542|, ~#a~0.offset=|v_~#a~0.offset_541|, thrThread3of3ForFork0_#t~nondet3=|v_thrThread3of3ForFork0_#t~nondet3_41|} AuxVars[] AssignedVars[#race, thrThread3of3ForFork0_#t~nondet3][277], [thrThread3of3ForFork0InUse, 170#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 162#true, 6#L706-6true, 186#true, Black: 171#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~n~0#1| 0)), 125#L693-1true, 5#L694-7true, Black: 177#(= (select (select |#race| |~#a~0.base|) (+ (* thrThread1of3ForFork0_~t~0 4) |~#a~0.offset|)) |thrThread1of3ForFork0_#t~nondet3|), Black: 179#(and (= |thrThread1of3ForFork0_#t~nondet3| (select (select |#race| |~#a~0.base|) (+ (* thrThread1of3ForFork0_~t~0 4) 2 |~#a~0.offset|))) (= |thrThread1of3ForFork0_#t~nondet3| (select (select |#race| |~#a~0.base|) (+ (* thrThread1of3ForFork0_~t~0 4) |~#a~0.offset| 1))) (= (select (select |#race| |~#a~0.base|) (+ (* thrThread1of3ForFork0_~t~0 4) |~#a~0.offset|)) |thrThread1of3ForFork0_#t~nondet3|)), 175#true, Black: 180#(and (= |thrThread1of3ForFork0_#t~nondet3| (select (select |#race| |~#a~0.base|) (+ (* thrThread1of3ForFork0_~t~0 4) 2 |~#a~0.offset|))) (= |thrThread1of3ForFork0_#t~nondet3| (select (select |#race| |~#a~0.base|) (+ (* thrThread1of3ForFork0_~t~0 4) |~#a~0.offset| 1))) (= (select (select |#race| |~#a~0.base|) (+ (* thrThread1of3ForFork0_~t~0 4) |~#a~0.offset|)) |thrThread1of3ForFork0_#t~nondet3|) (= |thrThread1of3ForFork0_#t~nondet3| (select (select |#race| |~#a~0.base|) (+ (* thrThread1of3ForFork0_~t~0 4) 3 |~#a~0.offset|)))), Black: 178#(and (= |thrThread1of3ForFork0_#t~nondet3| (select (select |#race| |~#a~0.base|) (+ (* thrThread1of3ForFork0_~t~0 4) |~#a~0.offset| 1))) (= (select (select |#race| |~#a~0.base|) (+ (* thrThread1of3ForFork0_~t~0 4) |~#a~0.offset|)) |thrThread1of3ForFork0_#t~nondet3|)), 64#L694-3true, thrThread1of3ForFork0InUse, thrThread2of3ForFork0InUse]) [2022-11-25 18:01:08,002 INFO L383 tUnfolder$Statistics]: this new event has 35 ancestors and is cut-off event [2022-11-25 18:01:08,002 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2022-11-25 18:01:08,002 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2022-11-25 18:01:08,002 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2022-11-25 18:01:09,086 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([853] L694-1-->L694-3: Formula: (= |v_#race_1316| (store |v_#race_1317| |v_~#a~0.base_542| (store (select |v_#race_1317| |v_~#a~0.base_542|) (+ (* v_thrThread3of3ForFork0_~t~0_49 4) |v_~#a~0.offset_541|) |v_thrThread3of3ForFork0_#t~nondet3_41|))) InVars {#race=|v_#race_1317|, thrThread3of3ForFork0_~t~0=v_thrThread3of3ForFork0_~t~0_49, ~#a~0.base=|v_~#a~0.base_542|, ~#a~0.offset=|v_~#a~0.offset_541|} OutVars{#race=|v_#race_1316|, thrThread3of3ForFork0_~t~0=v_thrThread3of3ForFork0_~t~0_49, ~#a~0.base=|v_~#a~0.base_542|, ~#a~0.offset=|v_~#a~0.offset_541|, thrThread3of3ForFork0_#t~nondet3=|v_thrThread3of3ForFork0_#t~nondet3_41|} AuxVars[] AssignedVars[#race, thrThread3of3ForFork0_#t~nondet3][212], [thrThread3of3ForFork0InUse, 170#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 162#true, 102#ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACEtrue, 186#true, Black: 171#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~n~0#1| 0)), 125#L693-1true, 5#L694-7true, Black: 177#(= (select (select |#race| |~#a~0.base|) (+ (* thrThread1of3ForFork0_~t~0 4) |~#a~0.offset|)) |thrThread1of3ForFork0_#t~nondet3|), Black: 179#(and (= |thrThread1of3ForFork0_#t~nondet3| (select (select |#race| |~#a~0.base|) (+ (* thrThread1of3ForFork0_~t~0 4) 2 |~#a~0.offset|))) (= |thrThread1of3ForFork0_#t~nondet3| (select (select |#race| |~#a~0.base|) (+ (* thrThread1of3ForFork0_~t~0 4) |~#a~0.offset| 1))) (= (select (select |#race| |~#a~0.base|) (+ (* thrThread1of3ForFork0_~t~0 4) |~#a~0.offset|)) |thrThread1of3ForFork0_#t~nondet3|)), 175#true, Black: 180#(and (= |thrThread1of3ForFork0_#t~nondet3| (select (select |#race| |~#a~0.base|) (+ (* thrThread1of3ForFork0_~t~0 4) 2 |~#a~0.offset|))) (= |thrThread1of3ForFork0_#t~nondet3| (select (select |#race| |~#a~0.base|) (+ (* thrThread1of3ForFork0_~t~0 4) |~#a~0.offset| 1))) (= (select (select |#race| |~#a~0.base|) (+ (* thrThread1of3ForFork0_~t~0 4) |~#a~0.offset|)) |thrThread1of3ForFork0_#t~nondet3|) (= |thrThread1of3ForFork0_#t~nondet3| (select (select |#race| |~#a~0.base|) (+ (* thrThread1of3ForFork0_~t~0 4) 3 |~#a~0.offset|)))), Black: 178#(and (= |thrThread1of3ForFork0_#t~nondet3| (select (select |#race| |~#a~0.base|) (+ (* thrThread1of3ForFork0_~t~0 4) |~#a~0.offset| 1))) (= (select (select |#race| |~#a~0.base|) (+ (* thrThread1of3ForFork0_~t~0 4) |~#a~0.offset|)) |thrThread1of3ForFork0_#t~nondet3|)), 64#L694-3true, thrThread1of3ForFork0InUse, thrThread2of3ForFork0InUse]) [2022-11-25 18:01:09,086 INFO L383 tUnfolder$Statistics]: this new event has 35 ancestors and is cut-off event [2022-11-25 18:01:09,086 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2022-11-25 18:01:09,087 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2022-11-25 18:01:09,087 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event