./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/03_incdec.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4192d310-c9d4-49e6-bbd4-4411a5b93450/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4192d310-c9d4-49e6-bbd4-4411a5b93450/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4192d310-c9d4-49e6-bbd4-4411a5b93450/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4192d310-c9d4-49e6-bbd4-4411a5b93450/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/03_incdec.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4192d310-c9d4-49e6-bbd4-4411a5b93450/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4192d310-c9d4-49e6-bbd4-4411a5b93450/bin/uautomizer-vX5HgA9Q3a --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 c1c717c54832d7b18d55a1459c6f740661389c67176a032001ce64e3c282b955 --- 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-b5237d8 [2022-11-21 16:27:02,060 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:27:02,063 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:27:02,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:27:02,111 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:27:02,114 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:27:02,116 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:27:02,119 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:27:02,124 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:27:02,126 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:27:02,128 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:27:02,132 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:27:02,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:27:02,137 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:27:02,139 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:27:02,141 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:27:02,144 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:27:02,151 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:27:02,153 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:27:02,155 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:27:02,166 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:27:02,168 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:27:02,169 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:27:02,171 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:27:02,175 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:27:02,178 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:27:02,178 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:27:02,179 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:27:02,181 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:27:02,182 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:27:02,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:27:02,183 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:27:02,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:27:02,188 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:27:02,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:27:02,191 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:27:02,193 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:27:02,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:27:02,193 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:27:02,194 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:27:02,195 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:27:02,196 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4192d310-c9d4-49e6-bbd4-4411a5b93450/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-21 16:27:02,230 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:27:02,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:27:02,231 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:27:02,232 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:27:02,232 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:27:02,233 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:27:02,233 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:27:02,234 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:27:02,234 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:27:02,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:27:02,235 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:27:02,235 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:27:02,235 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:27:02,235 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:27:02,236 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:27:02,236 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:27:02,236 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:27:02,236 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:27:02,237 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-21 16:27:02,237 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:27:02,237 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:27:02,237 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:27:02,237 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:27:02,238 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:27:02,238 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:27:02,238 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:27:02,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:27:02,239 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:27:02,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:27:02,239 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:27:02,240 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:27:02,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:27:02,240 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:27:02,240 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:27:02,240 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:27:02,241 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4192d310-c9d4-49e6-bbd4-4411a5b93450/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4192d310-c9d4-49e6-bbd4-4411a5b93450/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1c717c54832d7b18d55a1459c6f740661389c67176a032001ce64e3c282b955 [2022-11-21 16:27:02,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:27:02,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:27:02,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:27:02,532 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:27:02,532 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:27:02,534 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4192d310-c9d4-49e6-bbd4-4411a5b93450/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/pthread-ext/03_incdec.i [2022-11-21 16:27:05,889 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:27:06,132 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:27:06,132 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4192d310-c9d4-49e6-bbd4-4411a5b93450/sv-benchmarks/c/pthread-ext/03_incdec.i [2022-11-21 16:27:06,156 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4192d310-c9d4-49e6-bbd4-4411a5b93450/bin/uautomizer-vX5HgA9Q3a/data/ccae4f444/f13fac0b697646d79da4727672646ee6/FLAG23d787126 [2022-11-21 16:27:06,171 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4192d310-c9d4-49e6-bbd4-4411a5b93450/bin/uautomizer-vX5HgA9Q3a/data/ccae4f444/f13fac0b697646d79da4727672646ee6 [2022-11-21 16:27:06,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:27:06,175 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:27:06,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:27:06,177 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:27:06,181 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:27:06,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:27:06" (1/1) ... [2022-11-21 16:27:06,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b2cb369 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:27:06, skipping insertion in model container [2022-11-21 16:27:06,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:27:06" (1/1) ... [2022-11-21 16:27:06,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:27:06,226 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:27:06,659 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_4192d310-c9d4-49e6-bbd4-4411a5b93450/sv-benchmarks/c/pthread-ext/03_incdec.i[30534,30547] [2022-11-21 16:27:06,668 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_4192d310-c9d4-49e6-bbd4-4411a5b93450/sv-benchmarks/c/pthread-ext/03_incdec.i[30928,30941] [2022-11-21 16:27:06,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:27:06,696 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:27:06,757 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_4192d310-c9d4-49e6-bbd4-4411a5b93450/sv-benchmarks/c/pthread-ext/03_incdec.i[30534,30547] [2022-11-21 16:27:06,771 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_4192d310-c9d4-49e6-bbd4-4411a5b93450/sv-benchmarks/c/pthread-ext/03_incdec.i[30928,30941] [2022-11-21 16:27:06,781 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:27:06,827 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:27:06,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:27:06 WrapperNode [2022-11-21 16:27:06,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:27:06,830 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:27:06,830 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:27:06,831 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:27:06,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:27:06" (1/1) ... [2022-11-21 16:27:06,872 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:27:06" (1/1) ... [2022-11-21 16:27:06,908 INFO L138 Inliner]: procedures = 172, calls = 24, calls flagged for inlining = 16, calls inlined = 24, statements flattened = 235 [2022-11-21 16:27:06,909 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:27:06,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:27:06,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:27:06,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:27:06,923 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:27:06" (1/1) ... [2022-11-21 16:27:06,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:27:06" (1/1) ... [2022-11-21 16:27:06,941 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:27:06" (1/1) ... [2022-11-21 16:27:06,941 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:27:06" (1/1) ... [2022-11-21 16:27:06,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:27:06" (1/1) ... [2022-11-21 16:27:06,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:27:06" (1/1) ... [2022-11-21 16:27:06,952 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:27:06" (1/1) ... [2022-11-21 16:27:06,954 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:27:06" (1/1) ... [2022-11-21 16:27:06,957 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:27:06,958 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:27:06,958 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:27:06,958 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:27:06,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:27:06" (1/1) ... [2022-11-21 16:27:06,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:27:06,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4192d310-c9d4-49e6-bbd4-4411a5b93450/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:27:07,004 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4192d310-c9d4-49e6-bbd4-4411a5b93450/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:27:07,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4192d310-c9d4-49e6-bbd4-4411a5b93450/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:27:07,086 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-21 16:27:07,088 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-21 16:27:07,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:27:07,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:27:07,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:27:07,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:27:07,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:27:07,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:27:07,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:27:07,091 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 16:27:07,228 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:27:07,244 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:27:07,752 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:27:08,086 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:27:08,087 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 16:27:08,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:27:08 BoogieIcfgContainer [2022-11-21 16:27:08,090 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:27:08,092 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:27:08,093 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:27:08,096 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:27:08,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:27:06" (1/3) ... [2022-11-21 16:27:08,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54c752f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:27:08, skipping insertion in model container [2022-11-21 16:27:08,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:27:06" (2/3) ... [2022-11-21 16:27:08,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54c752f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:27:08, skipping insertion in model container [2022-11-21 16:27:08,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:27:08" (3/3) ... [2022-11-21 16:27:08,102 INFO L112 eAbstractionObserver]: Analyzing ICFG 03_incdec.i [2022-11-21 16:27:08,116 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-21 16:27:08,125 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:27:08,125 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2022-11-21 16:27:08,125 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-21 16:27:08,199 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-21 16:27:08,247 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 157 places, 162 transitions, 329 flow [2022-11-21 16:27:08,306 INFO L130 PetriNetUnfolder]: 9/173 cut-off events. [2022-11-21 16:27:08,306 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 16:27:08,313 INFO L83 FinitePrefix]: Finished finitePrefix Result has 178 conditions, 173 events. 9/173 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 418 event pairs, 0 based on Foata normal form. 0/130 useless extension candidates. Maximal degree in co-relation 143. Up to 4 conditions per place. [2022-11-21 16:27:08,313 INFO L82 GeneralOperation]: Start removeDead. Operand has 157 places, 162 transitions, 329 flow [2022-11-21 16:27:08,319 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 157 places, 162 transitions, 329 flow [2022-11-21 16:27:08,329 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:27:08,336 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;@691e72c2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:27:08,336 INFO L358 AbstractCegarLoop]: Starting to check reachability of 65 error locations. [2022-11-21 16:27:08,346 INFO L130 PetriNetUnfolder]: 2/49 cut-off events. [2022-11-21 16:27:08,347 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 16:27:08,347 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:27:08,348 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:27:08,348 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err16ASSERT_VIOLATIONDATA_RACE, thr1Err17ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2022-11-21 16:27:08,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:27:08,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1342510440, now seen corresponding path program 1 times [2022-11-21 16:27:08,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:27:08,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001228828] [2022-11-21 16:27:08,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:27:08,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:27:08,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:27:08,535 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:27:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:27:08,609 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:27:08,612 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-21 16:27:08,614 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (64 of 65 remaining) [2022-11-21 16:27:08,616 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (63 of 65 remaining) [2022-11-21 16:27:08,617 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (62 of 65 remaining) [2022-11-21 16:27:08,617 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (61 of 65 remaining) [2022-11-21 16:27:08,618 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (60 of 65 remaining) [2022-11-21 16:27:08,618 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (59 of 65 remaining) [2022-11-21 16:27:08,619 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (58 of 65 remaining) [2022-11-21 16:27:08,619 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (57 of 65 remaining) [2022-11-21 16:27:08,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (56 of 65 remaining) [2022-11-21 16:27:08,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (55 of 65 remaining) [2022-11-21 16:27:08,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (54 of 65 remaining) [2022-11-21 16:27:08,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (53 of 65 remaining) [2022-11-21 16:27:08,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (52 of 65 remaining) [2022-11-21 16:27:08,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (51 of 65 remaining) [2022-11-21 16:27:08,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (50 of 65 remaining) [2022-11-21 16:27:08,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (49 of 65 remaining) [2022-11-21 16:27:08,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (48 of 65 remaining) [2022-11-21 16:27:08,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (47 of 65 remaining) [2022-11-21 16:27:08,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (46 of 65 remaining) [2022-11-21 16:27:08,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (45 of 65 remaining) [2022-11-21 16:27:08,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (44 of 65 remaining) [2022-11-21 16:27:08,627 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (43 of 65 remaining) [2022-11-21 16:27:08,627 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (42 of 65 remaining) [2022-11-21 16:27:08,628 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (41 of 65 remaining) [2022-11-21 16:27:08,628 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (40 of 65 remaining) [2022-11-21 16:27:08,629 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (39 of 65 remaining) [2022-11-21 16:27:08,630 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (38 of 65 remaining) [2022-11-21 16:27:08,630 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (37 of 65 remaining) [2022-11-21 16:27:08,630 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (36 of 65 remaining) [2022-11-21 16:27:08,631 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (35 of 65 remaining) [2022-11-21 16:27:08,631 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (34 of 65 remaining) [2022-11-21 16:27:08,631 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (33 of 65 remaining) [2022-11-21 16:27:08,631 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (32 of 65 remaining) [2022-11-21 16:27:08,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (31 of 65 remaining) [2022-11-21 16:27:08,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (30 of 65 remaining) [2022-11-21 16:27:08,634 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (29 of 65 remaining) [2022-11-21 16:27:08,639 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (28 of 65 remaining) [2022-11-21 16:27:08,639 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (27 of 65 remaining) [2022-11-21 16:27:08,640 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (26 of 65 remaining) [2022-11-21 16:27:08,641 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (25 of 65 remaining) [2022-11-21 16:27:08,642 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (24 of 65 remaining) [2022-11-21 16:27:08,642 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (23 of 65 remaining) [2022-11-21 16:27:08,642 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (22 of 65 remaining) [2022-11-21 16:27:08,642 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (21 of 65 remaining) [2022-11-21 16:27:08,643 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (20 of 65 remaining) [2022-11-21 16:27:08,643 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (19 of 65 remaining) [2022-11-21 16:27:08,643 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (18 of 65 remaining) [2022-11-21 16:27:08,644 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (17 of 65 remaining) [2022-11-21 16:27:08,644 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (16 of 65 remaining) [2022-11-21 16:27:08,644 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (15 of 65 remaining) [2022-11-21 16:27:08,645 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (14 of 65 remaining) [2022-11-21 16:27:08,645 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (13 of 65 remaining) [2022-11-21 16:27:08,646 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (12 of 65 remaining) [2022-11-21 16:27:08,647 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (11 of 65 remaining) [2022-11-21 16:27:08,648 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (10 of 65 remaining) [2022-11-21 16:27:08,648 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (9 of 65 remaining) [2022-11-21 16:27:08,649 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (8 of 65 remaining) [2022-11-21 16:27:08,649 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (7 of 65 remaining) [2022-11-21 16:27:08,649 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (6 of 65 remaining) [2022-11-21 16:27:08,649 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (5 of 65 remaining) [2022-11-21 16:27:08,650 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (4 of 65 remaining) [2022-11-21 16:27:08,650 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (3 of 65 remaining) [2022-11-21 16:27:08,650 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (2 of 65 remaining) [2022-11-21 16:27:08,650 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (1 of 65 remaining) [2022-11-21 16:27:08,650 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (0 of 65 remaining) [2022-11-21 16:27:08,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:27:08,651 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-21 16:27:08,655 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-21 16:27:08,655 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-11-21 16:27:08,742 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-21 16:27:08,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 283 places, 293 transitions, 598 flow [2022-11-21 16:27:08,880 INFO L130 PetriNetUnfolder]: 17/317 cut-off events. [2022-11-21 16:27:08,880 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-21 16:27:08,886 INFO L83 FinitePrefix]: Finished finitePrefix Result has 327 conditions, 317 events. 17/317 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1265 event pairs, 0 based on Foata normal form. 0/233 useless extension candidates. Maximal degree in co-relation 273. Up to 6 conditions per place. [2022-11-21 16:27:08,887 INFO L82 GeneralOperation]: Start removeDead. Operand has 283 places, 293 transitions, 598 flow [2022-11-21 16:27:08,893 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 283 places, 293 transitions, 598 flow [2022-11-21 16:27:08,895 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:27:08,896 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;@691e72c2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:27:08,896 INFO L358 AbstractCegarLoop]: Starting to check reachability of 97 error locations. [2022-11-21 16:27:08,904 INFO L130 PetriNetUnfolder]: 3/65 cut-off events. [2022-11-21 16:27:08,905 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-21 16:27:08,905 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:27:08,905 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:27:08,905 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err16ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err16ASSERT_VIOLATIONDATA_RACE, thr1Err17ASSERT_VIOLATIONDATA_RACE (and 93 more)] === [2022-11-21 16:27:08,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:27:08,906 INFO L85 PathProgramCache]: Analyzing trace with hash 367877936, now seen corresponding path program 1 times [2022-11-21 16:27:08,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:27:08,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624823613] [2022-11-21 16:27:08,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:27:08,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:27:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:27:08,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:27:08,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:27:08,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624823613] [2022-11-21 16:27:08,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624823613] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:27:08,993 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:27:08,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-21 16:27:08,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320141349] [2022-11-21 16:27:08,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:27:09,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-21 16:27:09,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:27:09,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-21 16:27:09,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-21 16:27:09,038 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 293 [2022-11-21 16:27:09,042 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 293 transitions, 598 flow. Second operand has 2 states, 2 states have (on average 222.0) internal successors, (444), 2 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:27:09,043 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:27:09,043 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 293 [2022-11-21 16:27:09,044 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:27:09,436 INFO L130 PetriNetUnfolder]: 183/1504 cut-off events. [2022-11-21 16:27:09,436 INFO L131 PetriNetUnfolder]: For 41/41 co-relation queries the response was YES. [2022-11-21 16:27:09,448 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1799 conditions, 1504 events. 183/1504 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 12161 event pairs, 110 based on Foata normal form. 173/1409 useless extension candidates. Maximal degree in co-relation 422. Up to 243 conditions per place. [2022-11-21 16:27:09,458 INFO L137 encePairwiseOnDemand]: 247/293 looper letters, 22 selfloop transitions, 0 changer transitions 0/238 dead transitions. [2022-11-21 16:27:09,458 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 238 transitions, 532 flow [2022-11-21 16:27:09,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-21 16:27:09,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-21 16:27:09,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 510 transitions. [2022-11-21 16:27:09,486 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8703071672354948 [2022-11-21 16:27:09,487 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 510 transitions. [2022-11-21 16:27:09,488 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 510 transitions. [2022-11-21 16:27:09,493 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:27:09,497 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 510 transitions. [2022-11-21 16:27:09,504 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 255.0) internal successors, (510), 2 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:27:09,512 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 293.0) internal successors, (879), 3 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:27:09,513 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 293.0) internal successors, (879), 3 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:27:09,517 INFO L175 Difference]: Start difference. First operand has 283 places, 293 transitions, 598 flow. Second operand 2 states and 510 transitions. [2022-11-21 16:27:09,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 238 transitions, 532 flow [2022-11-21 16:27:09,525 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 238 transitions, 530 flow, removed 1 selfloop flow, removed 0 redundant places. [2022-11-21 16:27:09,533 INFO L231 Difference]: Finished difference. Result has 234 places, 238 transitions, 486 flow [2022-11-21 16:27:09,536 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=486, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=486, PETRI_PLACES=234, PETRI_TRANSITIONS=238} [2022-11-21 16:27:09,549 INFO L288 CegarLoopForPetriNet]: 283 programPoint places, -49 predicate places. [2022-11-21 16:27:09,549 INFO L495 AbstractCegarLoop]: Abstraction has has 234 places, 238 transitions, 486 flow [2022-11-21 16:27:09,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 222.0) internal successors, (444), 2 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:27:09,550 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:27:09,551 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:27:09,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:27:09,551 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err18ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err16ASSERT_VIOLATIONDATA_RACE, thr1Err17ASSERT_VIOLATIONDATA_RACE (and 93 more)] === [2022-11-21 16:27:09,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:27:09,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1343419253, now seen corresponding path program 1 times [2022-11-21 16:27:09,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:27:09,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565088293] [2022-11-21 16:27:09,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:27:09,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:27:09,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:27:09,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:27:09,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:27:09,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565088293] [2022-11-21 16:27:09,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565088293] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:27:09,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:27:09,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:27:09,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758734550] [2022-11-21 16:27:09,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:27:09,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:27:09,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:27:09,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:27:09,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:27:09,739 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 293 [2022-11-21 16:27:09,741 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 238 transitions, 486 flow. Second operand has 3 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:27:09,741 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:27:09,741 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 293 [2022-11-21 16:27:09,741 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:27:11,142 INFO L130 PetriNetUnfolder]: 1558/6854 cut-off events. [2022-11-21 16:27:11,142 INFO L131 PetriNetUnfolder]: For 94/94 co-relation queries the response was YES. [2022-11-21 16:27:11,174 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9831 conditions, 6854 events. 1558/6854 cut-off events. For 94/94 co-relation queries the response was YES. Maximal size of possible extension queue 309. Compared 73341 event pairs, 490 based on Foata normal form. 0/5702 useless extension candidates. Maximal degree in co-relation 9826. Up to 1680 conditions per place. [2022-11-21 16:27:11,209 INFO L137 encePairwiseOnDemand]: 253/293 looper letters, 99 selfloop transitions, 28 changer transitions 0/295 dead transitions. [2022-11-21 16:27:11,209 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 295 transitions, 859 flow [2022-11-21 16:27:11,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:27:11,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:27:11,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 658 transitions. [2022-11-21 16:27:11,212 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7485779294653014 [2022-11-21 16:27:11,213 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 658 transitions. [2022-11-21 16:27:11,213 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 658 transitions. [2022-11-21 16:27:11,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:27:11,213 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 658 transitions. [2022-11-21 16:27:11,215 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 219.33333333333334) internal successors, (658), 3 states have internal predecessors, (658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:27:11,220 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 293.0) internal successors, (1172), 4 states have internal predecessors, (1172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:27:11,221 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 293.0) internal successors, (1172), 4 states have internal predecessors, (1172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:27:11,221 INFO L175 Difference]: Start difference. First operand has 234 places, 238 transitions, 486 flow. Second operand 3 states and 658 transitions. [2022-11-21 16:27:11,221 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 295 transitions, 859 flow [2022-11-21 16:27:11,226 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 295 transitions, 859 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-21 16:27:11,234 INFO L231 Difference]: Finished difference. Result has 238 places, 266 transitions, 734 flow [2022-11-21 16:27:11,234 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=486, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=734, PETRI_PLACES=238, PETRI_TRANSITIONS=266} [2022-11-21 16:27:11,235 INFO L288 CegarLoopForPetriNet]: 283 programPoint places, -45 predicate places. [2022-11-21 16:27:11,236 INFO L495 AbstractCegarLoop]: Abstraction has has 238 places, 266 transitions, 734 flow [2022-11-21 16:27:11,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:27:11,240 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:27:11,241 INFO L209 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:27:11,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 16:27:11,241 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err16ASSERT_VIOLATIONDATA_RACE, thr1Err17ASSERT_VIOLATIONDATA_RACE (and 93 more)] === [2022-11-21 16:27:11,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:27:11,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1016906364, now seen corresponding path program 1 times [2022-11-21 16:27:11,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:27:11,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125971536] [2022-11-21 16:27:11,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:27:11,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:27:11,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:27:11,288 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:27:11,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:27:11,320 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:27:11,320 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-21 16:27:11,321 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (96 of 97 remaining) [2022-11-21 16:27:11,322 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (95 of 97 remaining) [2022-11-21 16:27:11,322 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (94 of 97 remaining) [2022-11-21 16:27:11,322 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (93 of 97 remaining) [2022-11-21 16:27:11,322 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (92 of 97 remaining) [2022-11-21 16:27:11,323 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (91 of 97 remaining) [2022-11-21 16:27:11,323 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (90 of 97 remaining) [2022-11-21 16:27:11,323 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (89 of 97 remaining) [2022-11-21 16:27:11,323 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (88 of 97 remaining) [2022-11-21 16:27:11,324 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (87 of 97 remaining) [2022-11-21 16:27:11,324 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (86 of 97 remaining) [2022-11-21 16:27:11,324 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (85 of 97 remaining) [2022-11-21 16:27:11,324 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (84 of 97 remaining) [2022-11-21 16:27:11,324 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (83 of 97 remaining) [2022-11-21 16:27:11,325 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (82 of 97 remaining) [2022-11-21 16:27:11,325 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (81 of 97 remaining) [2022-11-21 16:27:11,325 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (80 of 97 remaining) [2022-11-21 16:27:11,325 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (79 of 97 remaining) [2022-11-21 16:27:11,326 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (78 of 97 remaining) [2022-11-21 16:27:11,326 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (77 of 97 remaining) [2022-11-21 16:27:11,326 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (76 of 97 remaining) [2022-11-21 16:27:11,326 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (75 of 97 remaining) [2022-11-21 16:27:11,326 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (74 of 97 remaining) [2022-11-21 16:27:11,327 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (73 of 97 remaining) [2022-11-21 16:27:11,327 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (72 of 97 remaining) [2022-11-21 16:27:11,327 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (71 of 97 remaining) [2022-11-21 16:27:11,327 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (70 of 97 remaining) [2022-11-21 16:27:11,328 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (69 of 97 remaining) [2022-11-21 16:27:11,328 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (68 of 97 remaining) [2022-11-21 16:27:11,328 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (67 of 97 remaining) [2022-11-21 16:27:11,328 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (66 of 97 remaining) [2022-11-21 16:27:11,329 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (65 of 97 remaining) [2022-11-21 16:27:11,329 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (64 of 97 remaining) [2022-11-21 16:27:11,329 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (63 of 97 remaining) [2022-11-21 16:27:11,329 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (62 of 97 remaining) [2022-11-21 16:27:11,329 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (61 of 97 remaining) [2022-11-21 16:27:11,330 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (60 of 97 remaining) [2022-11-21 16:27:11,330 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (59 of 97 remaining) [2022-11-21 16:27:11,330 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (58 of 97 remaining) [2022-11-21 16:27:11,330 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (57 of 97 remaining) [2022-11-21 16:27:11,330 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (56 of 97 remaining) [2022-11-21 16:27:11,331 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (55 of 97 remaining) [2022-11-21 16:27:11,331 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (54 of 97 remaining) [2022-11-21 16:27:11,331 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (53 of 97 remaining) [2022-11-21 16:27:11,331 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (52 of 97 remaining) [2022-11-21 16:27:11,332 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (51 of 97 remaining) [2022-11-21 16:27:11,332 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (50 of 97 remaining) [2022-11-21 16:27:11,332 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (49 of 97 remaining) [2022-11-21 16:27:11,332 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (48 of 97 remaining) [2022-11-21 16:27:11,335 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (47 of 97 remaining) [2022-11-21 16:27:11,335 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (46 of 97 remaining) [2022-11-21 16:27:11,335 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (45 of 97 remaining) [2022-11-21 16:27:11,337 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (44 of 97 remaining) [2022-11-21 16:27:11,338 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (43 of 97 remaining) [2022-11-21 16:27:11,338 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (42 of 97 remaining) [2022-11-21 16:27:11,338 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (41 of 97 remaining) [2022-11-21 16:27:11,338 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (40 of 97 remaining) [2022-11-21 16:27:11,338 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (39 of 97 remaining) [2022-11-21 16:27:11,339 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (38 of 97 remaining) [2022-11-21 16:27:11,339 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (37 of 97 remaining) [2022-11-21 16:27:11,339 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (36 of 97 remaining) [2022-11-21 16:27:11,340 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (35 of 97 remaining) [2022-11-21 16:27:11,340 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (34 of 97 remaining) [2022-11-21 16:27:11,341 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (33 of 97 remaining) [2022-11-21 16:27:11,341 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (32 of 97 remaining) [2022-11-21 16:27:11,341 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (31 of 97 remaining) [2022-11-21 16:27:11,341 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (30 of 97 remaining) [2022-11-21 16:27:11,341 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (29 of 97 remaining) [2022-11-21 16:27:11,342 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (28 of 97 remaining) [2022-11-21 16:27:11,342 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (27 of 97 remaining) [2022-11-21 16:27:11,342 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (26 of 97 remaining) [2022-11-21 16:27:11,342 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (25 of 97 remaining) [2022-11-21 16:27:11,342 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (24 of 97 remaining) [2022-11-21 16:27:11,343 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (23 of 97 remaining) [2022-11-21 16:27:11,343 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (22 of 97 remaining) [2022-11-21 16:27:11,343 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (21 of 97 remaining) [2022-11-21 16:27:11,343 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (20 of 97 remaining) [2022-11-21 16:27:11,343 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (19 of 97 remaining) [2022-11-21 16:27:11,344 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (18 of 97 remaining) [2022-11-21 16:27:11,344 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (17 of 97 remaining) [2022-11-21 16:27:11,344 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (16 of 97 remaining) [2022-11-21 16:27:11,344 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (15 of 97 remaining) [2022-11-21 16:27:11,345 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (14 of 97 remaining) [2022-11-21 16:27:11,345 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (13 of 97 remaining) [2022-11-21 16:27:11,345 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (12 of 97 remaining) [2022-11-21 16:27:11,345 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (11 of 97 remaining) [2022-11-21 16:27:11,345 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (10 of 97 remaining) [2022-11-21 16:27:11,346 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (9 of 97 remaining) [2022-11-21 16:27:11,346 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (8 of 97 remaining) [2022-11-21 16:27:11,346 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (7 of 97 remaining) [2022-11-21 16:27:11,346 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (6 of 97 remaining) [2022-11-21 16:27:11,346 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (5 of 97 remaining) [2022-11-21 16:27:11,347 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (4 of 97 remaining) [2022-11-21 16:27:11,347 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (3 of 97 remaining) [2022-11-21 16:27:11,347 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (2 of 97 remaining) [2022-11-21 16:27:11,347 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (1 of 97 remaining) [2022-11-21 16:27:11,348 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (0 of 97 remaining) [2022-11-21 16:27:11,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 16:27:11,348 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-21 16:27:11,349 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-21 16:27:11,349 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-11-21 16:27:11,429 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-21 16:27:11,433 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 409 places, 424 transitions, 869 flow [2022-11-21 16:27:11,630 INFO L130 PetriNetUnfolder]: 25/461 cut-off events. [2022-11-21 16:27:11,630 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-11-21 16:27:11,639 INFO L83 FinitePrefix]: Finished finitePrefix Result has 477 conditions, 461 events. 25/461 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2241 event pairs, 0 based on Foata normal form. 0/336 useless extension candidates. Maximal degree in co-relation 403. Up to 8 conditions per place. [2022-11-21 16:27:11,640 INFO L82 GeneralOperation]: Start removeDead. Operand has 409 places, 424 transitions, 869 flow [2022-11-21 16:27:11,653 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 409 places, 424 transitions, 869 flow [2022-11-21 16:27:11,654 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:27:11,655 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;@691e72c2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:27:11,655 INFO L358 AbstractCegarLoop]: Starting to check reachability of 129 error locations. [2022-11-21 16:27:11,662 INFO L130 PetriNetUnfolder]: 3/62 cut-off events. [2022-11-21 16:27:11,662 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-21 16:27:11,662 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:27:11,663 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:27:11,663 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err16ASSERT_VIOLATIONDATA_RACE, thr1Err17ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-21 16:27:11,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:27:11,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1014631632, now seen corresponding path program 1 times [2022-11-21 16:27:11,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:27:11,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133663702] [2022-11-21 16:27:11,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:27:11,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:27:11,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:27:11,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:27:11,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:27:11,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133663702] [2022-11-21 16:27:11,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133663702] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:27:11,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:27:11,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-21 16:27:11,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900990546] [2022-11-21 16:27:11,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:27:11,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-21 16:27:11,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:27:11,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-21 16:27:11,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-21 16:27:11,698 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 424 [2022-11-21 16:27:11,699 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 424 transitions, 869 flow. Second operand has 2 states, 2 states have (on average 318.0) internal successors, (636), 2 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:27:11,699 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:27:11,700 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 424 [2022-11-21 16:27:11,700 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:27:15,441 INFO L130 PetriNetUnfolder]: 3442/17819 cut-off events. [2022-11-21 16:27:15,441 INFO L131 PetriNetUnfolder]: For 907/907 co-relation queries the response was YES. [2022-11-21 16:27:15,620 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22483 conditions, 17819 events. 3442/17819 cut-off events. For 907/907 co-relation queries the response was YES. Maximal size of possible extension queue 639. Compared 234131 event pairs, 2530 based on Foata normal form. 2094/16658 useless extension candidates. Maximal degree in co-relation 1799. Up to 3994 conditions per place. [2022-11-21 16:27:15,736 INFO L137 encePairwiseOnDemand]: 356/424 looper letters, 33 selfloop transitions, 0 changer transitions 0/345 dead transitions. [2022-11-21 16:27:15,737 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 338 places, 345 transitions, 777 flow [2022-11-21 16:27:15,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-21 16:27:15,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-21 16:27:15,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 735 transitions. [2022-11-21 16:27:15,739 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8667452830188679 [2022-11-21 16:27:15,739 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 735 transitions. [2022-11-21 16:27:15,739 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 735 transitions. [2022-11-21 16:27:15,740 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:27:15,740 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 735 transitions. [2022-11-21 16:27:15,742 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 367.5) internal successors, (735), 2 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:27:15,744 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:27:15,745 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:27:15,745 INFO L175 Difference]: Start difference. First operand has 409 places, 424 transitions, 869 flow. Second operand 2 states and 735 transitions. [2022-11-21 16:27:15,745 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 338 places, 345 transitions, 777 flow [2022-11-21 16:27:15,749 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 338 places, 345 transitions, 771 flow, removed 3 selfloop flow, removed 0 redundant places. [2022-11-21 16:27:15,755 INFO L231 Difference]: Finished difference. Result has 338 places, 345 transitions, 705 flow [2022-11-21 16:27:15,755 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=424, PETRI_DIFFERENCE_MINUEND_FLOW=705, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=345, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=705, PETRI_PLACES=338, PETRI_TRANSITIONS=345} [2022-11-21 16:27:15,758 INFO L288 CegarLoopForPetriNet]: 409 programPoint places, -71 predicate places. [2022-11-21 16:27:15,758 INFO L495 AbstractCegarLoop]: Abstraction has has 338 places, 345 transitions, 705 flow [2022-11-21 16:27:15,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 318.0) internal successors, (636), 2 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:27:15,759 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:27:15,759 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:27:15,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 16:27:15,759 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err16ASSERT_VIOLATIONDATA_RACE, thr1Err17ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-21 16:27:15,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:27:15,760 INFO L85 PathProgramCache]: Analyzing trace with hash 103476724, now seen corresponding path program 1 times [2022-11-21 16:27:15,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:27:15,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047181121] [2022-11-21 16:27:15,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:27:15,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:27:15,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:27:15,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:27:15,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:27:15,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047181121] [2022-11-21 16:27:15,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047181121] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:27:15,844 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:27:15,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:27:15,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669673678] [2022-11-21 16:27:15,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:27:15,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:27:15,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:27:15,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:27:15,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:27:15,847 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 424 [2022-11-21 16:27:15,848 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 345 transitions, 705 flow. Second operand has 3 states, 3 states have (on average 246.33333333333334) internal successors, (739), 3 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:27:15,848 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:27:15,849 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 424 [2022-11-21 16:27:15,849 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:28:00,467 INFO L130 PetriNetUnfolder]: 126134/344515 cut-off events. [2022-11-21 16:28:00,467 INFO L131 PetriNetUnfolder]: For 4441/4441 co-relation queries the response was YES. [2022-11-21 16:28:02,056 INFO L83 FinitePrefix]: Finished finitePrefix Result has 533381 conditions, 344515 events. 126134/344515 cut-off events. For 4441/4441 co-relation queries the response was YES. Maximal size of possible extension queue 9696. Compared 5527328 event pairs, 44718 based on Foata normal form. 0/280510 useless extension candidates. Maximal degree in co-relation 533375. Up to 110232 conditions per place.