./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.c --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_3e0d5af7-f751-4252-aed6-7e25e98eac06/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d5af7-f751-4252-aed6-7e25e98eac06/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_3e0d5af7-f751-4252-aed6-7e25e98eac06/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d5af7-f751-4252-aed6-7e25e98eac06/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d5af7-f751-4252-aed6-7e25e98eac06/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_3e0d5af7-f751-4252-aed6-7e25e98eac06/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 83c7202603a0719c5812e4d7043f4665de4d954c89c656bd6312ac9e8fdcb494 --- 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 13:59:02,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 13:59:02,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 13:59:02,864 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 13:59:02,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 13:59:02,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 13:59:02,872 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 13:59:02,876 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 13:59:02,878 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 13:59:02,888 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 13:59:02,889 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 13:59:02,891 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 13:59:02,891 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 13:59:02,892 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 13:59:02,893 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 13:59:02,895 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 13:59:02,896 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 13:59:02,896 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 13:59:02,898 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 13:59:02,900 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 13:59:02,901 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 13:59:02,903 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 13:59:02,904 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 13:59:02,905 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 13:59:02,909 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 13:59:02,909 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 13:59:02,910 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 13:59:02,911 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 13:59:02,911 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 13:59:02,912 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 13:59:02,913 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 13:59:02,914 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 13:59:02,915 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 13:59:02,916 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 13:59:02,917 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 13:59:02,917 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 13:59:02,918 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 13:59:02,918 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 13:59:02,919 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 13:59:02,920 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 13:59:02,921 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 13:59:02,922 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d5af7-f751-4252-aed6-7e25e98eac06/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-21 13:59:02,949 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 13:59:02,950 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 13:59:02,950 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 13:59:02,951 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 13:59:02,951 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 13:59:02,952 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 13:59:02,953 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 13:59:02,953 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 13:59:02,953 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 13:59:02,953 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 13:59:02,954 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 13:59:02,954 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 13:59:02,954 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 13:59:02,955 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 13:59:02,955 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 13:59:02,955 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 13:59:02,955 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 13:59:02,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 13:59:02,956 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-21 13:59:02,956 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 13:59:02,956 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 13:59:02,956 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 13:59:02,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 13:59:02,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 13:59:02,957 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 13:59:02,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 13:59:02,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 13:59:02,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 13:59:02,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 13:59:02,958 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 13:59:02,958 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 13:59:02,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 13:59:02,959 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 13:59:02,959 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 13:59:02,959 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 13:59:02,960 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_3e0d5af7-f751-4252-aed6-7e25e98eac06/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d5af7-f751-4252-aed6-7e25e98eac06/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83c7202603a0719c5812e4d7043f4665de4d954c89c656bd6312ac9e8fdcb494 [2022-11-21 13:59:03,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 13:59:03,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 13:59:03,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 13:59:03,367 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 13:59:03,368 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 13:59:03,369 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d5af7-f751-4252-aed6-7e25e98eac06/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.c [2022-11-21 13:59:07,262 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 13:59:07,512 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 13:59:07,512 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d5af7-f751-4252-aed6-7e25e98eac06/sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.c [2022-11-21 13:59:07,522 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d5af7-f751-4252-aed6-7e25e98eac06/bin/uautomizer-vX5HgA9Q3a/data/b208c232a/d5cf9be2602e4390acf5d7d6147a6bbb/FLAG0c1b9846e [2022-11-21 13:59:07,540 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d5af7-f751-4252-aed6-7e25e98eac06/bin/uautomizer-vX5HgA9Q3a/data/b208c232a/d5cf9be2602e4390acf5d7d6147a6bbb [2022-11-21 13:59:07,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 13:59:07,546 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 13:59:07,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 13:59:07,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 13:59:07,553 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 13:59:07,554 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:59:07" (1/1) ... [2022-11-21 13:59:07,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a405c84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:59:07, skipping insertion in model container [2022-11-21 13:59:07,556 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:59:07" (1/1) ... [2022-11-21 13:59:07,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 13:59:07,595 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 13:59:07,909 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_3e0d5af7-f751-4252-aed6-7e25e98eac06/sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.c[5161,5174] [2022-11-21 13:59:07,917 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 13:59:07,928 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 13:59:07,984 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_3e0d5af7-f751-4252-aed6-7e25e98eac06/sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.c[5161,5174] [2022-11-21 13:59:07,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 13:59:08,025 INFO L208 MainTranslator]: Completed translation [2022-11-21 13:59:08,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:59:08 WrapperNode [2022-11-21 13:59:08,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 13:59:08,029 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 13:59:08,029 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 13:59:08,029 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 13:59:08,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:59:08" (1/1) ... [2022-11-21 13:59:08,075 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:59:08" (1/1) ... [2022-11-21 13:59:08,158 INFO L138 Inliner]: procedures = 25, calls = 68, calls flagged for inlining = 20, calls inlined = 24, statements flattened = 758 [2022-11-21 13:59:08,159 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 13:59:08,160 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 13:59:08,160 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 13:59:08,160 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 13:59:08,173 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:59:08" (1/1) ... [2022-11-21 13:59:08,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:59:08" (1/1) ... [2022-11-21 13:59:08,183 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:59:08" (1/1) ... [2022-11-21 13:59:08,183 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:59:08" (1/1) ... [2022-11-21 13:59:08,239 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:59:08" (1/1) ... [2022-11-21 13:59:08,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:59:08" (1/1) ... [2022-11-21 13:59:08,258 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:59:08" (1/1) ... [2022-11-21 13:59:08,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:59:08" (1/1) ... [2022-11-21 13:59:08,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 13:59:08,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 13:59:08,289 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 13:59:08,290 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 13:59:08,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:59:08" (1/1) ... [2022-11-21 13:59:08,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 13:59:08,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d5af7-f751-4252-aed6-7e25e98eac06/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:59:08,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d5af7-f751-4252-aed6-7e25e98eac06/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 13:59:08,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d5af7-f751-4252-aed6-7e25e98eac06/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 13:59:08,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 13:59:08,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 13:59:08,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 13:59:08,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 13:59:08,402 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 13:59:08,404 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 13:59:08,405 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 13:59:08,406 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 13:59:08,406 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-21 13:59:08,406 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-21 13:59:08,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 13:59:08,407 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 13:59:08,407 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 13:59:08,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 13:59:08,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 13:59:08,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 13:59:08,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 13:59:08,410 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 13:59:08,636 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 13:59:08,639 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 13:59:10,001 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 13:59:11,053 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 13:59:11,054 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-21 13:59:11,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:59:11 BoogieIcfgContainer [2022-11-21 13:59:11,059 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 13:59:11,065 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 13:59:11,065 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 13:59:11,069 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 13:59:11,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:59:07" (1/3) ... [2022-11-21 13:59:11,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79209ec5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:59:11, skipping insertion in model container [2022-11-21 13:59:11,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:59:08" (2/3) ... [2022-11-21 13:59:11,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79209ec5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:59:11, skipping insertion in model container [2022-11-21 13:59:11,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:59:11" (3/3) ... [2022-11-21 13:59:11,076 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-commit-1.wvr-bad.c [2022-11-21 13:59:11,094 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-21 13:59:11,107 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 13:59:11,108 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 128 error locations. [2022-11-21 13:59:11,108 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-21 13:59:11,408 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-21 13:59:11,478 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 509 places, 526 transitions, 1076 flow [2022-11-21 13:59:11,773 INFO L130 PetriNetUnfolder]: 27/523 cut-off events. [2022-11-21 13:59:11,774 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-21 13:59:11,783 INFO L83 FinitePrefix]: Finished finitePrefix Result has 536 conditions, 523 events. 27/523 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1020 event pairs, 0 based on Foata normal form. 0/368 useless extension candidates. Maximal degree in co-relation 433. Up to 6 conditions per place. [2022-11-21 13:59:11,784 INFO L82 GeneralOperation]: Start removeDead. Operand has 509 places, 526 transitions, 1076 flow [2022-11-21 13:59:11,796 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 487 places, 503 transitions, 1024 flow [2022-11-21 13:59:11,805 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 13:59:11,812 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;@43b34f3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 13:59:11,813 INFO L358 AbstractCegarLoop]: Starting to check reachability of 231 error locations. [2022-11-21 13:59:11,819 INFO L130 PetriNetUnfolder]: 0/36 cut-off events. [2022-11-21 13:59:11,819 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 13:59:11,820 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:59:11,821 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:59:11,821 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-11-21 13:59:11,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:59:11,827 INFO L85 PathProgramCache]: Analyzing trace with hash -28051272, now seen corresponding path program 1 times [2022-11-21 13:59:11,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:59:11,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784099051] [2022-11-21 13:59:11,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:59:11,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:59:11,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:59:12,147 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 13:59:12,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:59:12,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784099051] [2022-11-21 13:59:12,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784099051] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:59:12,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:59:12,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 13:59:12,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203321298] [2022-11-21 13:59:12,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:59:12,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 13:59:12,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:59:12,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:59:12,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 13:59:12,228 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 397 out of 526 [2022-11-21 13:59:12,237 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 487 places, 503 transitions, 1024 flow. Second operand has 3 states, 3 states have (on average 398.3333333333333) internal successors, (1195), 3 states have internal predecessors, (1195), 0 states have call successors, (0), 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 13:59:12,237 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:59:12,237 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 397 of 526 [2022-11-21 13:59:12,238 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:59:12,503 INFO L130 PetriNetUnfolder]: 30/414 cut-off events. [2022-11-21 13:59:12,503 INFO L131 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2022-11-21 13:59:12,505 INFO L83 FinitePrefix]: Finished finitePrefix Result has 465 conditions, 414 events. 30/414 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 358 event pairs, 0 based on Foata normal form. 18/373 useless extension candidates. Maximal degree in co-relation 373. Up to 36 conditions per place. [2022-11-21 13:59:12,508 INFO L137 encePairwiseOnDemand]: 419/526 looper letters, 19 selfloop transitions, 2 changer transitions 6/398 dead transitions. [2022-11-21 13:59:12,508 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 396 places, 398 transitions, 856 flow [2022-11-21 13:59:12,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:59:12,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 13:59:12,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1317 transitions. [2022-11-21 13:59:12,527 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8346007604562737 [2022-11-21 13:59:12,528 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1317 transitions. [2022-11-21 13:59:12,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1317 transitions. [2022-11-21 13:59:12,532 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:59:12,534 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1317 transitions. [2022-11-21 13:59:12,541 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 439.0) internal successors, (1317), 3 states have internal predecessors, (1317), 0 states have call successors, (0), 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 13:59:12,549 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:12,551 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:12,553 INFO L175 Difference]: Start difference. First operand has 487 places, 503 transitions, 1024 flow. Second operand 3 states and 1317 transitions. [2022-11-21 13:59:12,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 396 places, 398 transitions, 856 flow [2022-11-21 13:59:12,559 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 390 places, 398 transitions, 844 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-11-21 13:59:12,567 INFO L231 Difference]: Finished difference. Result has 390 places, 392 transitions, 794 flow [2022-11-21 13:59:12,569 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=802, PETRI_DIFFERENCE_MINUEND_PLACES=388, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=794, PETRI_PLACES=390, PETRI_TRANSITIONS=392} [2022-11-21 13:59:12,573 INFO L288 CegarLoopForPetriNet]: 487 programPoint places, -97 predicate places. [2022-11-21 13:59:12,573 INFO L495 AbstractCegarLoop]: Abstraction has has 390 places, 392 transitions, 794 flow [2022-11-21 13:59:12,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 398.3333333333333) internal successors, (1195), 3 states have internal predecessors, (1195), 0 states have call successors, (0), 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 13:59:12,574 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:59:12,574 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:59:12,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 13:59:12,575 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-11-21 13:59:12,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:59:12,575 INFO L85 PathProgramCache]: Analyzing trace with hash 201706705, now seen corresponding path program 1 times [2022-11-21 13:59:12,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:59:12,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239565170] [2022-11-21 13:59:12,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:59:12,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:59:12,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:59:12,639 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 13:59:12,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:59:12,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239565170] [2022-11-21 13:59:12,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239565170] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:59:12,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:59:12,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 13:59:12,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681588051] [2022-11-21 13:59:12,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:59:12,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 13:59:12,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:59:12,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:59:12,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 13:59:12,645 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 397 out of 526 [2022-11-21 13:59:12,646 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 392 transitions, 794 flow. Second operand has 3 states, 3 states have (on average 398.3333333333333) internal successors, (1195), 3 states have internal predecessors, (1195), 0 states have call successors, (0), 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 13:59:12,647 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:59:12,647 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 397 of 526 [2022-11-21 13:59:12,647 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:59:12,827 INFO L130 PetriNetUnfolder]: 30/407 cut-off events. [2022-11-21 13:59:12,828 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-21 13:59:12,831 INFO L83 FinitePrefix]: Finished finitePrefix Result has 453 conditions, 407 events. 30/407 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 357 event pairs, 0 based on Foata normal form. 0/355 useless extension candidates. Maximal degree in co-relation 409. Up to 37 conditions per place. [2022-11-21 13:59:12,836 INFO L137 encePairwiseOnDemand]: 523/526 looper letters, 20 selfloop transitions, 2 changer transitions 0/391 dead transitions. [2022-11-21 13:59:12,836 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 391 transitions, 836 flow [2022-11-21 13:59:12,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:59:12,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 13:59:12,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1214 transitions. [2022-11-21 13:59:12,841 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7693282636248415 [2022-11-21 13:59:12,841 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1214 transitions. [2022-11-21 13:59:12,841 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1214 transitions. [2022-11-21 13:59:12,842 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:59:12,842 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1214 transitions. [2022-11-21 13:59:12,846 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 404.6666666666667) internal successors, (1214), 3 states have internal predecessors, (1214), 0 states have call successors, (0), 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 13:59:12,849 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:12,851 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:12,852 INFO L175 Difference]: Start difference. First operand has 390 places, 392 transitions, 794 flow. Second operand 3 states and 1214 transitions. [2022-11-21 13:59:12,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 391 transitions, 836 flow [2022-11-21 13:59:12,856 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 391 transitions, 832 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 13:59:12,907 INFO L231 Difference]: Finished difference. Result has 383 places, 391 transitions, 792 flow [2022-11-21 13:59:12,907 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=788, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=792, PETRI_PLACES=383, PETRI_TRANSITIONS=391} [2022-11-21 13:59:12,908 INFO L288 CegarLoopForPetriNet]: 487 programPoint places, -104 predicate places. [2022-11-21 13:59:12,908 INFO L495 AbstractCegarLoop]: Abstraction has has 383 places, 391 transitions, 792 flow [2022-11-21 13:59:12,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 398.3333333333333) internal successors, (1195), 3 states have internal predecessors, (1195), 0 states have call successors, (0), 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 13:59:12,909 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:59:12,910 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:59:12,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 13:59:12,910 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-11-21 13:59:12,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:59:12,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1340319877, now seen corresponding path program 1 times [2022-11-21 13:59:12,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:59:12,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953754629] [2022-11-21 13:59:12,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:59:12,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:59:12,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:59:13,040 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 13:59:13,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:59:13,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953754629] [2022-11-21 13:59:13,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953754629] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:59:13,041 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:59:13,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 13:59:13,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203206695] [2022-11-21 13:59:13,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:59:13,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 13:59:13,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:59:13,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:59:13,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 13:59:13,046 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 397 out of 526 [2022-11-21 13:59:13,048 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 391 transitions, 792 flow. Second operand has 3 states, 3 states have (on average 398.3333333333333) internal successors, (1195), 3 states have internal predecessors, (1195), 0 states have call successors, (0), 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 13:59:13,048 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:59:13,048 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 397 of 526 [2022-11-21 13:59:13,048 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:59:13,195 INFO L130 PetriNetUnfolder]: 30/406 cut-off events. [2022-11-21 13:59:13,195 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-21 13:59:13,197 INFO L83 FinitePrefix]: Finished finitePrefix Result has 452 conditions, 406 events. 30/406 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 358 event pairs, 0 based on Foata normal form. 0/355 useless extension candidates. Maximal degree in co-relation 401. Up to 37 conditions per place. [2022-11-21 13:59:13,198 INFO L137 encePairwiseOnDemand]: 523/526 looper letters, 20 selfloop transitions, 2 changer transitions 0/390 dead transitions. [2022-11-21 13:59:13,199 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 390 transitions, 834 flow [2022-11-21 13:59:13,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:59:13,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 13:59:13,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1214 transitions. [2022-11-21 13:59:13,202 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7693282636248415 [2022-11-21 13:59:13,202 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1214 transitions. [2022-11-21 13:59:13,202 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1214 transitions. [2022-11-21 13:59:13,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:59:13,203 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1214 transitions. [2022-11-21 13:59:13,206 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 404.6666666666667) internal successors, (1214), 3 states have internal predecessors, (1214), 0 states have call successors, (0), 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 13:59:13,210 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:13,211 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:13,211 INFO L175 Difference]: Start difference. First operand has 383 places, 391 transitions, 792 flow. Second operand 3 states and 1214 transitions. [2022-11-21 13:59:13,211 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 390 transitions, 834 flow [2022-11-21 13:59:13,214 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 390 transitions, 830 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 13:59:13,219 INFO L231 Difference]: Finished difference. Result has 382 places, 390 transitions, 790 flow [2022-11-21 13:59:13,219 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=786, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=390, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=790, PETRI_PLACES=382, PETRI_TRANSITIONS=390} [2022-11-21 13:59:13,220 INFO L288 CegarLoopForPetriNet]: 487 programPoint places, -105 predicate places. [2022-11-21 13:59:13,220 INFO L495 AbstractCegarLoop]: Abstraction has has 382 places, 390 transitions, 790 flow [2022-11-21 13:59:13,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 398.3333333333333) internal successors, (1195), 3 states have internal predecessors, (1195), 0 states have call successors, (0), 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 13:59:13,221 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:59:13,222 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:59:13,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 13:59:13,222 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-11-21 13:59:13,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:59:13,223 INFO L85 PathProgramCache]: Analyzing trace with hash -249834534, now seen corresponding path program 1 times [2022-11-21 13:59:13,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:59:13,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712117451] [2022-11-21 13:59:13,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:59:13,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:59:13,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:59:13,269 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 13:59:13,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:59:13,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712117451] [2022-11-21 13:59:13,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712117451] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:59:13,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:59:13,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 13:59:13,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672844388] [2022-11-21 13:59:13,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:59:13,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 13:59:13,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:59:13,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:59:13,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 13:59:13,273 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 526 [2022-11-21 13:59:13,275 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 390 transitions, 790 flow. Second operand has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 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 13:59:13,275 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:59:13,275 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 526 [2022-11-21 13:59:13,275 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:59:13,478 INFO L130 PetriNetUnfolder]: 56/531 cut-off events. [2022-11-21 13:59:13,478 INFO L131 PetriNetUnfolder]: For 7/8 co-relation queries the response was YES. [2022-11-21 13:59:13,480 INFO L83 FinitePrefix]: Finished finitePrefix Result has 604 conditions, 531 events. 56/531 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 941 event pairs, 0 based on Foata normal form. 1/453 useless extension candidates. Maximal degree in co-relation 545. Up to 38 conditions per place. [2022-11-21 13:59:13,483 INFO L137 encePairwiseOnDemand]: 522/526 looper letters, 28 selfloop transitions, 3 changer transitions 0/402 dead transitions. [2022-11-21 13:59:13,484 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 402 transitions, 881 flow [2022-11-21 13:59:13,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:59:13,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 13:59:13,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1232 transitions. [2022-11-21 13:59:13,488 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7807351077313055 [2022-11-21 13:59:13,488 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1232 transitions. [2022-11-21 13:59:13,488 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1232 transitions. [2022-11-21 13:59:13,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:59:13,489 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1232 transitions. [2022-11-21 13:59:13,492 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 410.6666666666667) internal successors, (1232), 3 states have internal predecessors, (1232), 0 states have call successors, (0), 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 13:59:13,496 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:13,497 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:13,498 INFO L175 Difference]: Start difference. First operand has 382 places, 390 transitions, 790 flow. Second operand 3 states and 1232 transitions. [2022-11-21 13:59:13,498 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 402 transitions, 881 flow [2022-11-21 13:59:13,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 402 transitions, 877 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 13:59:13,506 INFO L231 Difference]: Finished difference. Result has 382 places, 391 transitions, 801 flow [2022-11-21 13:59:13,507 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=784, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=389, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=386, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=801, PETRI_PLACES=382, PETRI_TRANSITIONS=391} [2022-11-21 13:59:13,508 INFO L288 CegarLoopForPetriNet]: 487 programPoint places, -105 predicate places. [2022-11-21 13:59:13,508 INFO L495 AbstractCegarLoop]: Abstraction has has 382 places, 391 transitions, 801 flow [2022-11-21 13:59:13,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 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 13:59:13,509 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:59:13,510 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:59:13,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 13:59:13,510 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-11-21 13:59:13,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:59:13,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1717239114, now seen corresponding path program 1 times [2022-11-21 13:59:13,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:59:13,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344901235] [2022-11-21 13:59:13,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:59:13,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:59:13,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:59:13,562 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 13:59:13,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:59:13,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344901235] [2022-11-21 13:59:13,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344901235] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:59:13,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:59:13,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 13:59:13,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705453054] [2022-11-21 13:59:13,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:59:13,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 13:59:13,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:59:13,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:59:13,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 13:59:13,568 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 526 [2022-11-21 13:59:13,570 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 391 transitions, 801 flow. Second operand has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 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 13:59:13,570 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:59:13,570 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 526 [2022-11-21 13:59:13,571 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:59:13,814 INFO L130 PetriNetUnfolder]: 56/524 cut-off events. [2022-11-21 13:59:13,814 INFO L131 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2022-11-21 13:59:13,816 INFO L83 FinitePrefix]: Finished finitePrefix Result has 616 conditions, 524 events. 56/524 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 896 event pairs, 2 based on Foata normal form. 0/448 useless extension candidates. Maximal degree in co-relation 376. Up to 63 conditions per place. [2022-11-21 13:59:13,820 INFO L137 encePairwiseOnDemand]: 523/526 looper letters, 19 selfloop transitions, 2 changer transitions 0/390 dead transitions. [2022-11-21 13:59:13,820 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 390 transitions, 841 flow [2022-11-21 13:59:13,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:59:13,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 13:59:13,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1220 transitions. [2022-11-21 13:59:13,825 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7731305449936628 [2022-11-21 13:59:13,825 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1220 transitions. [2022-11-21 13:59:13,825 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1220 transitions. [2022-11-21 13:59:13,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:59:13,826 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1220 transitions. [2022-11-21 13:59:13,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 406.6666666666667) internal successors, (1220), 3 states have internal predecessors, (1220), 0 states have call successors, (0), 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 13:59:13,834 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:13,836 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:13,837 INFO L175 Difference]: Start difference. First operand has 382 places, 391 transitions, 801 flow. Second operand 3 states and 1220 transitions. [2022-11-21 13:59:13,837 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 390 transitions, 841 flow [2022-11-21 13:59:13,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 390 transitions, 838 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 13:59:13,846 INFO L231 Difference]: Finished difference. Result has 382 places, 390 transitions, 800 flow [2022-11-21 13:59:13,847 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=796, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=390, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=800, PETRI_PLACES=382, PETRI_TRANSITIONS=390} [2022-11-21 13:59:13,848 INFO L288 CegarLoopForPetriNet]: 487 programPoint places, -105 predicate places. [2022-11-21 13:59:13,848 INFO L495 AbstractCegarLoop]: Abstraction has has 382 places, 390 transitions, 800 flow [2022-11-21 13:59:13,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 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 13:59:13,850 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:59:13,850 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:59:13,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 13:59:13,850 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-11-21 13:59:13,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:59:13,851 INFO L85 PathProgramCache]: Analyzing trace with hash -912562332, now seen corresponding path program 1 times [2022-11-21 13:59:13,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:59:13,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13029985] [2022-11-21 13:59:13,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:59:13,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:59:13,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:59:13,904 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 13:59:13,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:59:13,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13029985] [2022-11-21 13:59:13,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13029985] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:59:13,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:59:13,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 13:59:13,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923998246] [2022-11-21 13:59:13,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:59:13,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 13:59:13,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:59:13,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:59:13,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 13:59:13,910 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 526 [2022-11-21 13:59:13,912 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 390 transitions, 800 flow. Second operand has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 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 13:59:13,912 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:59:13,912 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 526 [2022-11-21 13:59:13,913 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:59:14,151 INFO L130 PetriNetUnfolder]: 56/523 cut-off events. [2022-11-21 13:59:14,152 INFO L131 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2022-11-21 13:59:14,154 INFO L83 FinitePrefix]: Finished finitePrefix Result has 610 conditions, 523 events. 56/523 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 901 event pairs, 2 based on Foata normal form. 0/448 useless extension candidates. Maximal degree in co-relation 542. Up to 61 conditions per place. [2022-11-21 13:59:14,159 INFO L137 encePairwiseOnDemand]: 524/526 looper letters, 19 selfloop transitions, 1 changer transitions 0/389 dead transitions. [2022-11-21 13:59:14,159 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 389 transitions, 838 flow [2022-11-21 13:59:14,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:59:14,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 13:59:14,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1219 transitions. [2022-11-21 13:59:14,164 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7724968314321926 [2022-11-21 13:59:14,164 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1219 transitions. [2022-11-21 13:59:14,164 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1219 transitions. [2022-11-21 13:59:14,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:59:14,165 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1219 transitions. [2022-11-21 13:59:14,169 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 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 13:59:14,173 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:14,174 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:14,175 INFO L175 Difference]: Start difference. First operand has 382 places, 390 transitions, 800 flow. Second operand 3 states and 1219 transitions. [2022-11-21 13:59:14,175 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 389 transitions, 838 flow [2022-11-21 13:59:14,178 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 389 transitions, 834 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 13:59:14,186 INFO L231 Difference]: Finished difference. Result has 381 places, 389 transitions, 796 flow [2022-11-21 13:59:14,187 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=794, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=389, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=796, PETRI_PLACES=381, PETRI_TRANSITIONS=389} [2022-11-21 13:59:14,190 INFO L288 CegarLoopForPetriNet]: 487 programPoint places, -106 predicate places. [2022-11-21 13:59:14,190 INFO L495 AbstractCegarLoop]: Abstraction has has 381 places, 389 transitions, 796 flow [2022-11-21 13:59:14,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 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 13:59:14,192 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:59:14,192 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:59:14,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 13:59:14,192 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-11-21 13:59:14,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:59:14,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1403488935, now seen corresponding path program 1 times [2022-11-21 13:59:14,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:59:14,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482982749] [2022-11-21 13:59:14,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:59:14,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:59:14,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:59:14,273 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 13:59:14,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:59:14,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482982749] [2022-11-21 13:59:14,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482982749] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:59:14,274 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:59:14,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 13:59:14,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228384696] [2022-11-21 13:59:14,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:59:14,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 13:59:14,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:59:14,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:59:14,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 13:59:14,278 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 526 [2022-11-21 13:59:14,279 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 389 transitions, 796 flow. Second operand has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 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 13:59:14,280 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:59:14,280 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 526 [2022-11-21 13:59:14,280 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:59:14,479 INFO L130 PetriNetUnfolder]: 56/522 cut-off events. [2022-11-21 13:59:14,479 INFO L131 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2022-11-21 13:59:14,481 INFO L83 FinitePrefix]: Finished finitePrefix Result has 609 conditions, 522 events. 56/522 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 900 event pairs, 2 based on Foata normal form. 0/448 useless extension candidates. Maximal degree in co-relation 542. Up to 63 conditions per place. [2022-11-21 13:59:14,485 INFO L137 encePairwiseOnDemand]: 523/526 looper letters, 19 selfloop transitions, 2 changer transitions 0/388 dead transitions. [2022-11-21 13:59:14,485 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 388 transitions, 836 flow [2022-11-21 13:59:14,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:59:14,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 13:59:14,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1220 transitions. [2022-11-21 13:59:14,489 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7731305449936628 [2022-11-21 13:59:14,489 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1220 transitions. [2022-11-21 13:59:14,490 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1220 transitions. [2022-11-21 13:59:14,491 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:59:14,491 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1220 transitions. [2022-11-21 13:59:14,495 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 406.6666666666667) internal successors, (1220), 3 states have internal predecessors, (1220), 0 states have call successors, (0), 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 13:59:14,498 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:14,500 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:14,500 INFO L175 Difference]: Start difference. First operand has 381 places, 389 transitions, 796 flow. Second operand 3 states and 1220 transitions. [2022-11-21 13:59:14,500 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 388 transitions, 836 flow [2022-11-21 13:59:14,504 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 388 transitions, 835 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 13:59:14,510 INFO L231 Difference]: Finished difference. Result has 381 places, 388 transitions, 797 flow [2022-11-21 13:59:14,511 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=793, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=388, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=386, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=797, PETRI_PLACES=381, PETRI_TRANSITIONS=388} [2022-11-21 13:59:14,512 INFO L288 CegarLoopForPetriNet]: 487 programPoint places, -106 predicate places. [2022-11-21 13:59:14,512 INFO L495 AbstractCegarLoop]: Abstraction has has 381 places, 388 transitions, 797 flow [2022-11-21 13:59:14,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 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 13:59:14,513 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:59:14,513 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:59:14,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 13:59:14,514 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-11-21 13:59:14,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:59:14,515 INFO L85 PathProgramCache]: Analyzing trace with hash 322034131, now seen corresponding path program 1 times [2022-11-21 13:59:14,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:59:14,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057201748] [2022-11-21 13:59:14,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:59:14,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:59:14,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:59:15,216 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 13:59:15,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:59:15,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057201748] [2022-11-21 13:59:15,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057201748] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:59:15,217 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:59:15,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 13:59:15,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475391079] [2022-11-21 13:59:15,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:59:15,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 13:59:15,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:59:15,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 13:59:15,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 13:59:15,222 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 337 out of 526 [2022-11-21 13:59:15,225 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 388 transitions, 797 flow. Second operand has 6 states, 6 states have (on average 338.8333333333333) internal successors, (2033), 6 states have internal predecessors, (2033), 0 states have call successors, (0), 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 13:59:15,225 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:59:15,226 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 337 of 526 [2022-11-21 13:59:15,226 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:59:15,749 INFO L130 PetriNetUnfolder]: 224/687 cut-off events. [2022-11-21 13:59:15,750 INFO L131 PetriNetUnfolder]: For 36/36 co-relation queries the response was YES. [2022-11-21 13:59:15,754 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1047 conditions, 687 events. 224/687 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1150 event pairs, 8 based on Foata normal form. 0/606 useless extension candidates. Maximal degree in co-relation 981. Up to 297 conditions per place. [2022-11-21 13:59:15,762 INFO L137 encePairwiseOnDemand]: 508/526 looper letters, 67 selfloop transitions, 15 changer transitions 0/385 dead transitions. [2022-11-21 13:59:15,762 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 385 transitions, 955 flow [2022-11-21 13:59:15,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 13:59:15,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 13:59:15,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2105 transitions. [2022-11-21 13:59:15,769 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6669835234474017 [2022-11-21 13:59:15,773 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2105 transitions. [2022-11-21 13:59:15,774 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2105 transitions. [2022-11-21 13:59:15,776 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:59:15,776 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2105 transitions. [2022-11-21 13:59:15,781 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 350.8333333333333) internal successors, (2105), 6 states have internal predecessors, (2105), 0 states have call successors, (0), 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 13:59:15,788 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 526.0) internal successors, (3682), 7 states have internal predecessors, (3682), 0 states have call successors, (0), 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 13:59:15,792 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 526.0) internal successors, (3682), 7 states have internal predecessors, (3682), 0 states have call successors, (0), 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 13:59:15,792 INFO L175 Difference]: Start difference. First operand has 381 places, 388 transitions, 797 flow. Second operand 6 states and 2105 transitions. [2022-11-21 13:59:15,792 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 385 transitions, 955 flow [2022-11-21 13:59:15,796 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 385 transitions, 951 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 13:59:15,802 INFO L231 Difference]: Finished difference. Result has 381 places, 385 transitions, 817 flow [2022-11-21 13:59:15,804 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=787, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=370, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=817, PETRI_PLACES=381, PETRI_TRANSITIONS=385} [2022-11-21 13:59:15,807 INFO L288 CegarLoopForPetriNet]: 487 programPoint places, -106 predicate places. [2022-11-21 13:59:15,808 INFO L495 AbstractCegarLoop]: Abstraction has has 381 places, 385 transitions, 817 flow [2022-11-21 13:59:15,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 338.8333333333333) internal successors, (2033), 6 states have internal predecessors, (2033), 0 states have call successors, (0), 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 13:59:15,829 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:59:15,830 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:59:15,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 13:59:15,830 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-11-21 13:59:15,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:59:15,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1722357620, now seen corresponding path program 1 times [2022-11-21 13:59:15,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:59:15,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645326542] [2022-11-21 13:59:15,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:59:15,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:59:15,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:59:15,895 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 13:59:15,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:59:15,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645326542] [2022-11-21 13:59:15,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645326542] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:59:15,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:59:15,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 13:59:15,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344551458] [2022-11-21 13:59:15,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:59:15,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 13:59:15,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:59:15,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:59:15,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 13:59:15,901 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 397 out of 526 [2022-11-21 13:59:15,904 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 385 transitions, 817 flow. Second operand has 3 states, 3 states have (on average 398.3333333333333) internal successors, (1195), 3 states have internal predecessors, (1195), 0 states have call successors, (0), 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 13:59:15,904 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:59:15,904 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 397 of 526 [2022-11-21 13:59:15,904 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:59:16,091 INFO L130 PetriNetUnfolder]: 56/518 cut-off events. [2022-11-21 13:59:16,091 INFO L131 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2022-11-21 13:59:16,094 INFO L83 FinitePrefix]: Finished finitePrefix Result has 623 conditions, 518 events. 56/518 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 896 event pairs, 2 based on Foata normal form. 0/448 useless extension candidates. Maximal degree in co-relation 574. Up to 66 conditions per place. [2022-11-21 13:59:16,097 INFO L137 encePairwiseOnDemand]: 523/526 looper letters, 22 selfloop transitions, 2 changer transitions 0/384 dead transitions. [2022-11-21 13:59:16,098 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 384 transitions, 863 flow [2022-11-21 13:59:16,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:59:16,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 13:59:16,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1214 transitions. [2022-11-21 13:59:16,102 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7693282636248415 [2022-11-21 13:59:16,102 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1214 transitions. [2022-11-21 13:59:16,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1214 transitions. [2022-11-21 13:59:16,103 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:59:16,104 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1214 transitions. [2022-11-21 13:59:16,107 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 404.6666666666667) internal successors, (1214), 3 states have internal predecessors, (1214), 0 states have call successors, (0), 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 13:59:16,111 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:16,112 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:16,112 INFO L175 Difference]: Start difference. First operand has 381 places, 385 transitions, 817 flow. Second operand 3 states and 1214 transitions. [2022-11-21 13:59:16,112 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 384 transitions, 863 flow [2022-11-21 13:59:16,117 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 384 transitions, 833 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-21 13:59:16,123 INFO L231 Difference]: Finished difference. Result has 377 places, 384 transitions, 789 flow [2022-11-21 13:59:16,124 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=785, PETRI_DIFFERENCE_MINUEND_PLACES=375, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=384, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=382, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=789, PETRI_PLACES=377, PETRI_TRANSITIONS=384} [2022-11-21 13:59:16,126 INFO L288 CegarLoopForPetriNet]: 487 programPoint places, -110 predicate places. [2022-11-21 13:59:16,126 INFO L495 AbstractCegarLoop]: Abstraction has has 377 places, 384 transitions, 789 flow [2022-11-21 13:59:16,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 398.3333333333333) internal successors, (1195), 3 states have internal predecessors, (1195), 0 states have call successors, (0), 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 13:59:16,127 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:59:16,127 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:59:16,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 13:59:16,128 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-11-21 13:59:16,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:59:16,128 INFO L85 PathProgramCache]: Analyzing trace with hash 951579929, now seen corresponding path program 1 times [2022-11-21 13:59:16,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:59:16,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947909021] [2022-11-21 13:59:16,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:59:16,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:59:16,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:59:16,192 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 13:59:16,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:59:16,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947909021] [2022-11-21 13:59:16,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947909021] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:59:16,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:59:16,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 13:59:16,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530899843] [2022-11-21 13:59:16,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:59:16,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 13:59:16,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:59:16,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:59:16,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 13:59:16,204 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 526 [2022-11-21 13:59:16,206 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 384 transitions, 789 flow. Second operand has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 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 13:59:16,206 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:59:16,206 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 526 [2022-11-21 13:59:16,207 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:59:16,476 INFO L130 PetriNetUnfolder]: 88/653 cut-off events. [2022-11-21 13:59:16,477 INFO L131 PetriNetUnfolder]: For 29/29 co-relation queries the response was YES. [2022-11-21 13:59:16,481 INFO L83 FinitePrefix]: Finished finitePrefix Result has 779 conditions, 653 events. 88/653 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1555 event pairs, 2 based on Foata normal form. 0/554 useless extension candidates. Maximal degree in co-relation 713. Up to 55 conditions per place. [2022-11-21 13:59:16,486 INFO L137 encePairwiseOnDemand]: 523/526 looper letters, 31 selfloop transitions, 2 changer transitions 0/396 dead transitions. [2022-11-21 13:59:16,486 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 396 transitions, 890 flow [2022-11-21 13:59:16,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:59:16,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 13:59:16,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1230 transitions. [2022-11-21 13:59:16,492 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.779467680608365 [2022-11-21 13:59:16,492 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1230 transitions. [2022-11-21 13:59:16,493 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1230 transitions. [2022-11-21 13:59:16,494 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:59:16,494 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1230 transitions. [2022-11-21 13:59:16,497 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 410.0) internal successors, (1230), 3 states have internal predecessors, (1230), 0 states have call successors, (0), 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 13:59:16,501 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:16,502 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:16,503 INFO L175 Difference]: Start difference. First operand has 377 places, 384 transitions, 789 flow. Second operand 3 states and 1230 transitions. [2022-11-21 13:59:16,503 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 396 transitions, 890 flow [2022-11-21 13:59:16,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 396 transitions, 886 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 13:59:16,512 INFO L231 Difference]: Finished difference. Result has 377 places, 384 transitions, 793 flow [2022-11-21 13:59:16,513 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=783, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=793, PETRI_PLACES=377, PETRI_TRANSITIONS=384} [2022-11-21 13:59:16,514 INFO L288 CegarLoopForPetriNet]: 487 programPoint places, -110 predicate places. [2022-11-21 13:59:16,514 INFO L495 AbstractCegarLoop]: Abstraction has has 377 places, 384 transitions, 793 flow [2022-11-21 13:59:16,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 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 13:59:16,515 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:59:16,516 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:59:16,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-21 13:59:16,516 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-11-21 13:59:16,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:59:16,517 INFO L85 PathProgramCache]: Analyzing trace with hash -2016954237, now seen corresponding path program 1 times [2022-11-21 13:59:16,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:59:16,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538964311] [2022-11-21 13:59:16,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:59:16,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:59:16,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:59:16,571 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 13:59:16,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:59:16,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538964311] [2022-11-21 13:59:16,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538964311] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:59:16,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:59:16,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 13:59:16,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491372247] [2022-11-21 13:59:16,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:59:16,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 13:59:16,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:59:16,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:59:16,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 13:59:16,575 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 526 [2022-11-21 13:59:16,577 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 384 transitions, 793 flow. Second operand has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 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 13:59:16,577 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:59:16,577 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 526 [2022-11-21 13:59:16,577 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:59:16,816 INFO L130 PetriNetUnfolder]: 84/620 cut-off events. [2022-11-21 13:59:16,816 INFO L131 PetriNetUnfolder]: For 41/41 co-relation queries the response was YES. [2022-11-21 13:59:16,820 INFO L83 FinitePrefix]: Finished finitePrefix Result has 765 conditions, 620 events. 84/620 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1375 event pairs, 7 based on Foata normal form. 0/538 useless extension candidates. Maximal degree in co-relation 697. Up to 97 conditions per place. [2022-11-21 13:59:16,825 INFO L137 encePairwiseOnDemand]: 523/526 looper letters, 20 selfloop transitions, 2 changer transitions 0/383 dead transitions. [2022-11-21 13:59:16,826 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 383 transitions, 835 flow [2022-11-21 13:59:16,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:59:16,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 13:59:16,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1220 transitions. [2022-11-21 13:59:16,830 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7731305449936628 [2022-11-21 13:59:16,831 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1220 transitions. [2022-11-21 13:59:16,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1220 transitions. [2022-11-21 13:59:16,832 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:59:16,832 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1220 transitions. [2022-11-21 13:59:16,835 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 406.6666666666667) internal successors, (1220), 3 states have internal predecessors, (1220), 0 states have call successors, (0), 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 13:59:16,839 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:16,840 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:16,841 INFO L175 Difference]: Start difference. First operand has 377 places, 384 transitions, 793 flow. Second operand 3 states and 1220 transitions. [2022-11-21 13:59:16,841 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 383 transitions, 835 flow [2022-11-21 13:59:16,845 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 383 transitions, 833 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 13:59:16,850 INFO L231 Difference]: Finished difference. Result has 377 places, 383 transitions, 793 flow [2022-11-21 13:59:16,851 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=789, PETRI_DIFFERENCE_MINUEND_PLACES=375, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=793, PETRI_PLACES=377, PETRI_TRANSITIONS=383} [2022-11-21 13:59:16,852 INFO L288 CegarLoopForPetriNet]: 487 programPoint places, -110 predicate places. [2022-11-21 13:59:16,852 INFO L495 AbstractCegarLoop]: Abstraction has has 377 places, 383 transitions, 793 flow [2022-11-21 13:59:16,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 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 13:59:16,853 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:59:16,854 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:59:16,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-21 13:59:16,854 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-11-21 13:59:16,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:59:16,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1650701851, now seen corresponding path program 1 times [2022-11-21 13:59:16,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:59:16,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640269790] [2022-11-21 13:59:16,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:59:16,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:59:16,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:59:16,912 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 13:59:16,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:59:16,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640269790] [2022-11-21 13:59:16,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640269790] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:59:16,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:59:16,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 13:59:16,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228632366] [2022-11-21 13:59:16,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:59:16,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 13:59:16,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:59:16,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:59:16,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 13:59:16,917 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 397 out of 526 [2022-11-21 13:59:16,919 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 383 transitions, 793 flow. Second operand has 3 states, 3 states have (on average 398.3333333333333) internal successors, (1195), 3 states have internal predecessors, (1195), 0 states have call successors, (0), 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 13:59:16,919 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:59:16,919 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 397 of 526 [2022-11-21 13:59:16,920 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:59:17,135 INFO L130 PetriNetUnfolder]: 84/619 cut-off events. [2022-11-21 13:59:17,136 INFO L131 PetriNetUnfolder]: For 40/40 co-relation queries the response was YES. [2022-11-21 13:59:17,139 INFO L83 FinitePrefix]: Finished finitePrefix Result has 763 conditions, 619 events. 84/619 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1379 event pairs, 7 based on Foata normal form. 0/538 useless extension candidates. Maximal degree in co-relation 695. Up to 100 conditions per place. [2022-11-21 13:59:17,144 INFO L137 encePairwiseOnDemand]: 523/526 looper letters, 23 selfloop transitions, 2 changer transitions 0/382 dead transitions. [2022-11-21 13:59:17,144 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 382 transitions, 841 flow [2022-11-21 13:59:17,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:59:17,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 13:59:17,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1214 transitions. [2022-11-21 13:59:17,149 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7693282636248415 [2022-11-21 13:59:17,149 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1214 transitions. [2022-11-21 13:59:17,149 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1214 transitions. [2022-11-21 13:59:17,150 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:59:17,150 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1214 transitions. [2022-11-21 13:59:17,153 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 404.6666666666667) internal successors, (1214), 3 states have internal predecessors, (1214), 0 states have call successors, (0), 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 13:59:17,188 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:17,189 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:17,190 INFO L175 Difference]: Start difference. First operand has 377 places, 383 transitions, 793 flow. Second operand 3 states and 1214 transitions. [2022-11-21 13:59:17,190 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 382 transitions, 841 flow [2022-11-21 13:59:17,193 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 382 transitions, 837 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 13:59:17,198 INFO L231 Difference]: Finished difference. Result has 376 places, 382 transitions, 791 flow [2022-11-21 13:59:17,199 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=787, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=791, PETRI_PLACES=376, PETRI_TRANSITIONS=382} [2022-11-21 13:59:17,200 INFO L288 CegarLoopForPetriNet]: 487 programPoint places, -111 predicate places. [2022-11-21 13:59:17,200 INFO L495 AbstractCegarLoop]: Abstraction has has 376 places, 382 transitions, 791 flow [2022-11-21 13:59:17,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 398.3333333333333) internal successors, (1195), 3 states have internal predecessors, (1195), 0 states have call successors, (0), 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 13:59:17,201 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:59:17,201 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:59:17,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-21 13:59:17,202 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-11-21 13:59:17,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:59:17,203 INFO L85 PathProgramCache]: Analyzing trace with hash -2067801765, now seen corresponding path program 1 times [2022-11-21 13:59:17,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:59:17,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418513362] [2022-11-21 13:59:17,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:59:17,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:59:17,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:59:17,255 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 13:59:17,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:59:17,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418513362] [2022-11-21 13:59:17,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418513362] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:59:17,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:59:17,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 13:59:17,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301083087] [2022-11-21 13:59:17,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:59:17,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 13:59:17,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:59:17,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:59:17,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 13:59:17,267 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 526 [2022-11-21 13:59:17,269 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 382 transitions, 791 flow. Second operand has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 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 13:59:17,269 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:59:17,270 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 526 [2022-11-21 13:59:17,270 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:59:17,478 INFO L130 PetriNetUnfolder]: 84/618 cut-off events. [2022-11-21 13:59:17,478 INFO L131 PetriNetUnfolder]: For 41/41 co-relation queries the response was YES. [2022-11-21 13:59:17,482 INFO L83 FinitePrefix]: Finished finitePrefix Result has 758 conditions, 618 events. 84/618 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1384 event pairs, 7 based on Foata normal form. 0/538 useless extension candidates. Maximal degree in co-relation 691. Up to 95 conditions per place. [2022-11-21 13:59:17,487 INFO L137 encePairwiseOnDemand]: 524/526 looper letters, 20 selfloop transitions, 1 changer transitions 0/381 dead transitions. [2022-11-21 13:59:17,487 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 377 places, 381 transitions, 831 flow [2022-11-21 13:59:17,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:59:17,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 13:59:17,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1219 transitions. [2022-11-21 13:59:17,492 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7724968314321926 [2022-11-21 13:59:17,492 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1219 transitions. [2022-11-21 13:59:17,492 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1219 transitions. [2022-11-21 13:59:17,493 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:59:17,494 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1219 transitions. [2022-11-21 13:59:17,497 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 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 13:59:17,502 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:17,503 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:17,503 INFO L175 Difference]: Start difference. First operand has 376 places, 382 transitions, 791 flow. Second operand 3 states and 1219 transitions. [2022-11-21 13:59:17,503 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 377 places, 381 transitions, 831 flow [2022-11-21 13:59:17,509 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 381 transitions, 827 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 13:59:17,514 INFO L231 Difference]: Finished difference. Result has 375 places, 381 transitions, 787 flow [2022-11-21 13:59:17,515 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=785, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=787, PETRI_PLACES=375, PETRI_TRANSITIONS=381} [2022-11-21 13:59:17,517 INFO L288 CegarLoopForPetriNet]: 487 programPoint places, -112 predicate places. [2022-11-21 13:59:17,517 INFO L495 AbstractCegarLoop]: Abstraction has has 375 places, 381 transitions, 787 flow [2022-11-21 13:59:17,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 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 13:59:17,518 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:59:17,518 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:59:17,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-21 13:59:17,519 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-11-21 13:59:17,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:59:17,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1042232666, now seen corresponding path program 1 times [2022-11-21 13:59:17,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:59:17,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974450296] [2022-11-21 13:59:17,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:59:17,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:59:17,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:59:17,595 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 13:59:17,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:59:17,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974450296] [2022-11-21 13:59:17,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974450296] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:59:17,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:59:17,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 13:59:17,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45021225] [2022-11-21 13:59:17,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:59:17,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 13:59:17,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:59:17,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:59:17,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 13:59:17,602 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 526 [2022-11-21 13:59:17,603 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 381 transitions, 787 flow. Second operand has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 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 13:59:17,604 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:59:17,604 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 526 [2022-11-21 13:59:17,604 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:59:17,822 INFO L130 PetriNetUnfolder]: 84/617 cut-off events. [2022-11-21 13:59:17,822 INFO L131 PetriNetUnfolder]: For 40/40 co-relation queries the response was YES. [2022-11-21 13:59:17,826 INFO L83 FinitePrefix]: Finished finitePrefix Result has 757 conditions, 617 events. 84/617 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1378 event pairs, 7 based on Foata normal form. 0/538 useless extension candidates. Maximal degree in co-relation 689. Up to 97 conditions per place. [2022-11-21 13:59:17,830 INFO L137 encePairwiseOnDemand]: 523/526 looper letters, 20 selfloop transitions, 2 changer transitions 0/380 dead transitions. [2022-11-21 13:59:17,831 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 380 transitions, 829 flow [2022-11-21 13:59:17,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:59:17,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 13:59:17,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1220 transitions. [2022-11-21 13:59:17,835 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7731305449936628 [2022-11-21 13:59:17,835 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1220 transitions. [2022-11-21 13:59:17,836 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1220 transitions. [2022-11-21 13:59:17,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:59:17,837 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1220 transitions. [2022-11-21 13:59:17,840 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 406.6666666666667) internal successors, (1220), 3 states have internal predecessors, (1220), 0 states have call successors, (0), 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 13:59:17,843 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:17,844 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:17,844 INFO L175 Difference]: Start difference. First operand has 375 places, 381 transitions, 787 flow. Second operand 3 states and 1220 transitions. [2022-11-21 13:59:17,845 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 380 transitions, 829 flow [2022-11-21 13:59:17,849 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 380 transitions, 828 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 13:59:17,854 INFO L231 Difference]: Finished difference. Result has 375 places, 380 transitions, 788 flow [2022-11-21 13:59:17,855 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=784, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=788, PETRI_PLACES=375, PETRI_TRANSITIONS=380} [2022-11-21 13:59:17,856 INFO L288 CegarLoopForPetriNet]: 487 programPoint places, -112 predicate places. [2022-11-21 13:59:17,856 INFO L495 AbstractCegarLoop]: Abstraction has has 375 places, 380 transitions, 788 flow [2022-11-21 13:59:17,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 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 13:59:17,857 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:59:17,857 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:59:17,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-21 13:59:17,858 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-11-21 13:59:17,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:59:17,858 INFO L85 PathProgramCache]: Analyzing trace with hash -357183376, now seen corresponding path program 1 times [2022-11-21 13:59:17,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:59:17,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946582729] [2022-11-21 13:59:17,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:59:17,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:59:17,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:59:17,959 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 13:59:17,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:59:17,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946582729] [2022-11-21 13:59:17,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946582729] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:59:17,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:59:17,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 13:59:17,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856389213] [2022-11-21 13:59:17,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:59:17,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 13:59:17,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:59:17,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:59:17,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 13:59:17,964 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 397 out of 526 [2022-11-21 13:59:17,966 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 380 transitions, 788 flow. Second operand has 3 states, 3 states have (on average 398.3333333333333) internal successors, (1195), 3 states have internal predecessors, (1195), 0 states have call successors, (0), 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 13:59:17,966 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:59:17,967 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 397 of 526 [2022-11-21 13:59:17,967 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:59:18,168 INFO L130 PetriNetUnfolder]: 84/616 cut-off events. [2022-11-21 13:59:18,169 INFO L131 PetriNetUnfolder]: For 40/40 co-relation queries the response was YES. [2022-11-21 13:59:18,172 INFO L83 FinitePrefix]: Finished finitePrefix Result has 761 conditions, 616 events. 84/616 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1378 event pairs, 7 based on Foata normal form. 0/538 useless extension candidates. Maximal degree in co-relation 693. Up to 100 conditions per place. [2022-11-21 13:59:18,177 INFO L137 encePairwiseOnDemand]: 523/526 looper letters, 23 selfloop transitions, 2 changer transitions 0/379 dead transitions. [2022-11-21 13:59:18,177 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 379 transitions, 836 flow [2022-11-21 13:59:18,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:59:18,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 13:59:18,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1214 transitions. [2022-11-21 13:59:18,182 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7693282636248415 [2022-11-21 13:59:18,182 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1214 transitions. [2022-11-21 13:59:18,182 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1214 transitions. [2022-11-21 13:59:18,183 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:59:18,184 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1214 transitions. [2022-11-21 13:59:18,187 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 404.6666666666667) internal successors, (1214), 3 states have internal predecessors, (1214), 0 states have call successors, (0), 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 13:59:18,190 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:18,191 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:18,191 INFO L175 Difference]: Start difference. First operand has 375 places, 380 transitions, 788 flow. Second operand 3 states and 1214 transitions. [2022-11-21 13:59:18,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 379 transitions, 836 flow [2022-11-21 13:59:18,194 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 379 transitions, 832 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 13:59:18,200 INFO L231 Difference]: Finished difference. Result has 374 places, 379 transitions, 786 flow [2022-11-21 13:59:18,201 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=782, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=786, PETRI_PLACES=374, PETRI_TRANSITIONS=379} [2022-11-21 13:59:18,203 INFO L288 CegarLoopForPetriNet]: 487 programPoint places, -113 predicate places. [2022-11-21 13:59:18,203 INFO L495 AbstractCegarLoop]: Abstraction has has 374 places, 379 transitions, 786 flow [2022-11-21 13:59:18,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 398.3333333333333) internal successors, (1195), 3 states have internal predecessors, (1195), 0 states have call successors, (0), 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 13:59:18,204 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:59:18,204 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:59:18,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-21 13:59:18,205 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-11-21 13:59:18,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:59:18,206 INFO L85 PathProgramCache]: Analyzing trace with hash 101816433, now seen corresponding path program 1 times [2022-11-21 13:59:18,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:59:18,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586965416] [2022-11-21 13:59:18,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:59:18,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:59:18,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:59:18,289 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 13:59:18,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:59:18,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586965416] [2022-11-21 13:59:18,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586965416] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:59:18,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:59:18,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 13:59:18,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100684535] [2022-11-21 13:59:18,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:59:18,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 13:59:18,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:59:18,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:59:18,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 13:59:18,298 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 526 [2022-11-21 13:59:18,300 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 379 transitions, 786 flow. Second operand has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 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 13:59:18,300 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:59:18,300 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 526 [2022-11-21 13:59:18,300 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:59:18,645 INFO L130 PetriNetUnfolder]: 158/901 cut-off events. [2022-11-21 13:59:18,645 INFO L131 PetriNetUnfolder]: For 77/81 co-relation queries the response was YES. [2022-11-21 13:59:18,652 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1150 conditions, 901 events. 158/901 cut-off events. For 77/81 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 3143 event pairs, 7 based on Foata normal form. 4/774 useless extension candidates. Maximal degree in co-relation 1083. Up to 95 conditions per place. [2022-11-21 13:59:18,672 INFO L137 encePairwiseOnDemand]: 523/526 looper letters, 34 selfloop transitions, 2 changer transitions 0/393 dead transitions. [2022-11-21 13:59:18,672 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 393 transitions, 902 flow [2022-11-21 13:59:18,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:59:18,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 13:59:18,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1231 transitions. [2022-11-21 13:59:18,710 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7801013941698353 [2022-11-21 13:59:18,711 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1231 transitions. [2022-11-21 13:59:18,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1231 transitions. [2022-11-21 13:59:18,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:59:18,712 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1231 transitions. [2022-11-21 13:59:18,717 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 410.3333333333333) internal successors, (1231), 3 states have internal predecessors, (1231), 0 states have call successors, (0), 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 13:59:18,721 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:18,722 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:18,722 INFO L175 Difference]: Start difference. First operand has 374 places, 379 transitions, 786 flow. Second operand 3 states and 1231 transitions. [2022-11-21 13:59:18,722 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 393 transitions, 902 flow [2022-11-21 13:59:18,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 373 places, 393 transitions, 898 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 13:59:18,733 INFO L231 Difference]: Finished difference. Result has 374 places, 379 transitions, 790 flow [2022-11-21 13:59:18,734 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=780, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=790, PETRI_PLACES=374, PETRI_TRANSITIONS=379} [2022-11-21 13:59:18,735 INFO L288 CegarLoopForPetriNet]: 487 programPoint places, -113 predicate places. [2022-11-21 13:59:18,735 INFO L495 AbstractCegarLoop]: Abstraction has has 374 places, 379 transitions, 790 flow [2022-11-21 13:59:18,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 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 13:59:18,736 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:59:18,736 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:59:18,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-21 13:59:18,737 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-11-21 13:59:18,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:59:18,738 INFO L85 PathProgramCache]: Analyzing trace with hash -34860140, now seen corresponding path program 1 times [2022-11-21 13:59:18,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:59:18,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625942333] [2022-11-21 13:59:18,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:59:18,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:59:18,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:59:18,823 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 13:59:18,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:59:18,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625942333] [2022-11-21 13:59:18,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625942333] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:59:18,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:59:18,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 13:59:18,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353050476] [2022-11-21 13:59:18,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:59:18,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 13:59:18,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:59:18,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:59:18,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 13:59:18,829 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 526 [2022-11-21 13:59:18,831 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 379 transitions, 790 flow. Second operand has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 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 13:59:18,832 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:59:18,832 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 526 [2022-11-21 13:59:18,832 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:59:19,204 INFO L130 PetriNetUnfolder]: 156/884 cut-off events. [2022-11-21 13:59:19,204 INFO L131 PetriNetUnfolder]: For 97/99 co-relation queries the response was YES. [2022-11-21 13:59:19,212 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1164 conditions, 884 events. 156/884 cut-off events. For 97/99 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 3005 event pairs, 22 based on Foata normal form. 0/754 useless extension candidates. Maximal degree in co-relation 1095. Up to 179 conditions per place. [2022-11-21 13:59:19,220 INFO L137 encePairwiseOnDemand]: 523/526 looper letters, 21 selfloop transitions, 2 changer transitions 0/378 dead transitions. [2022-11-21 13:59:19,220 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 378 transitions, 834 flow [2022-11-21 13:59:19,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:59:19,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 13:59:19,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1220 transitions. [2022-11-21 13:59:19,224 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7731305449936628 [2022-11-21 13:59:19,224 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1220 transitions. [2022-11-21 13:59:19,224 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1220 transitions. [2022-11-21 13:59:19,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:59:19,226 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1220 transitions. [2022-11-21 13:59:19,228 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 406.6666666666667) internal successors, (1220), 3 states have internal predecessors, (1220), 0 states have call successors, (0), 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 13:59:19,231 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:19,232 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:19,232 INFO L175 Difference]: Start difference. First operand has 374 places, 379 transitions, 790 flow. Second operand 3 states and 1220 transitions. [2022-11-21 13:59:19,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 378 transitions, 834 flow [2022-11-21 13:59:19,235 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 378 transitions, 832 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 13:59:19,240 INFO L231 Difference]: Finished difference. Result has 374 places, 378 transitions, 790 flow [2022-11-21 13:59:19,241 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=786, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=790, PETRI_PLACES=374, PETRI_TRANSITIONS=378} [2022-11-21 13:59:19,241 INFO L288 CegarLoopForPetriNet]: 487 programPoint places, -113 predicate places. [2022-11-21 13:59:19,241 INFO L495 AbstractCegarLoop]: Abstraction has has 374 places, 378 transitions, 790 flow [2022-11-21 13:59:19,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 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 13:59:19,242 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:59:19,243 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:59:19,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-21 13:59:19,243 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-11-21 13:59:19,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:59:19,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1302133528, now seen corresponding path program 1 times [2022-11-21 13:59:19,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:59:19,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655331463] [2022-11-21 13:59:19,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:59:19,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:59:19,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:59:19,304 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 13:59:19,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:59:19,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655331463] [2022-11-21 13:59:19,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655331463] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:59:19,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:59:19,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 13:59:19,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29450424] [2022-11-21 13:59:19,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:59:19,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 13:59:19,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:59:19,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:59:19,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 13:59:19,308 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 397 out of 526 [2022-11-21 13:59:19,309 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 378 transitions, 790 flow. Second operand has 3 states, 3 states have (on average 398.3333333333333) internal successors, (1195), 3 states have internal predecessors, (1195), 0 states have call successors, (0), 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 13:59:19,309 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:59:19,310 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 397 of 526 [2022-11-21 13:59:19,310 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:59:19,640 INFO L130 PetriNetUnfolder]: 156/883 cut-off events. [2022-11-21 13:59:19,640 INFO L131 PetriNetUnfolder]: For 96/98 co-relation queries the response was YES. [2022-11-21 13:59:19,646 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1158 conditions, 883 events. 156/883 cut-off events. For 96/98 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3021 event pairs, 22 based on Foata normal form. 0/754 useless extension candidates. Maximal degree in co-relation 1089. Up to 182 conditions per place. [2022-11-21 13:59:19,652 INFO L137 encePairwiseOnDemand]: 523/526 looper letters, 24 selfloop transitions, 2 changer transitions 0/377 dead transitions. [2022-11-21 13:59:19,653 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 377 transitions, 840 flow [2022-11-21 13:59:19,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:59:19,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 13:59:19,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1214 transitions. [2022-11-21 13:59:19,657 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7693282636248415 [2022-11-21 13:59:19,658 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1214 transitions. [2022-11-21 13:59:19,658 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1214 transitions. [2022-11-21 13:59:19,659 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:59:19,659 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1214 transitions. [2022-11-21 13:59:19,662 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 404.6666666666667) internal successors, (1214), 3 states have internal predecessors, (1214), 0 states have call successors, (0), 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 13:59:19,666 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:19,667 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:19,667 INFO L175 Difference]: Start difference. First operand has 374 places, 378 transitions, 790 flow. Second operand 3 states and 1214 transitions. [2022-11-21 13:59:19,667 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 377 transitions, 840 flow [2022-11-21 13:59:19,670 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 373 places, 377 transitions, 836 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 13:59:19,676 INFO L231 Difference]: Finished difference. Result has 373 places, 377 transitions, 788 flow [2022-11-21 13:59:19,676 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=784, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=377, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=788, PETRI_PLACES=373, PETRI_TRANSITIONS=377} [2022-11-21 13:59:19,677 INFO L288 CegarLoopForPetriNet]: 487 programPoint places, -114 predicate places. [2022-11-21 13:59:19,677 INFO L495 AbstractCegarLoop]: Abstraction has has 373 places, 377 transitions, 788 flow [2022-11-21 13:59:19,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 398.3333333333333) internal successors, (1195), 3 states have internal predecessors, (1195), 0 states have call successors, (0), 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 13:59:19,678 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:59:19,678 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:59:19,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-21 13:59:19,679 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-11-21 13:59:19,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:59:19,680 INFO L85 PathProgramCache]: Analyzing trace with hash -169175455, now seen corresponding path program 1 times [2022-11-21 13:59:19,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:59:19,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640529599] [2022-11-21 13:59:19,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:59:19,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:59:19,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:59:19,757 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 13:59:19,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:59:19,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640529599] [2022-11-21 13:59:19,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640529599] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:59:19,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:59:19,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 13:59:19,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783844463] [2022-11-21 13:59:19,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:59:19,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 13:59:19,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:59:19,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:59:19,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 13:59:19,763 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 526 [2022-11-21 13:59:19,765 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 373 places, 377 transitions, 788 flow. Second operand has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 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 13:59:19,765 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:59:19,765 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 526 [2022-11-21 13:59:19,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:59:20,066 INFO L130 PetriNetUnfolder]: 156/882 cut-off events. [2022-11-21 13:59:20,066 INFO L131 PetriNetUnfolder]: For 97/99 co-relation queries the response was YES. [2022-11-21 13:59:20,074 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1153 conditions, 882 events. 156/882 cut-off events. For 97/99 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3012 event pairs, 22 based on Foata normal form. 0/754 useless extension candidates. Maximal degree in co-relation 1085. Up to 177 conditions per place. [2022-11-21 13:59:20,081 INFO L137 encePairwiseOnDemand]: 524/526 looper letters, 21 selfloop transitions, 1 changer transitions 0/376 dead transitions. [2022-11-21 13:59:20,081 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 376 transitions, 830 flow [2022-11-21 13:59:20,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:59:20,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 13:59:20,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1219 transitions. [2022-11-21 13:59:20,086 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7724968314321926 [2022-11-21 13:59:20,086 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1219 transitions. [2022-11-21 13:59:20,086 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1219 transitions. [2022-11-21 13:59:20,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:59:20,087 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1219 transitions. [2022-11-21 13:59:20,090 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 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 13:59:20,094 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:20,095 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:20,095 INFO L175 Difference]: Start difference. First operand has 373 places, 377 transitions, 788 flow. Second operand 3 states and 1219 transitions. [2022-11-21 13:59:20,095 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 376 transitions, 830 flow [2022-11-21 13:59:20,100 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 376 transitions, 826 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 13:59:20,105 INFO L231 Difference]: Finished difference. Result has 372 places, 376 transitions, 784 flow [2022-11-21 13:59:20,106 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=782, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=376, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=784, PETRI_PLACES=372, PETRI_TRANSITIONS=376} [2022-11-21 13:59:20,107 INFO L288 CegarLoopForPetriNet]: 487 programPoint places, -115 predicate places. [2022-11-21 13:59:20,107 INFO L495 AbstractCegarLoop]: Abstraction has has 372 places, 376 transitions, 784 flow [2022-11-21 13:59:20,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 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 13:59:20,108 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:59:20,109 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:59:20,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-21 13:59:20,109 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-11-21 13:59:20,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:59:20,110 INFO L85 PathProgramCache]: Analyzing trace with hash 525353495, now seen corresponding path program 1 times [2022-11-21 13:59:20,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:59:20,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608370942] [2022-11-21 13:59:20,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:59:20,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:59:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:59:20,206 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 13:59:20,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:59:20,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608370942] [2022-11-21 13:59:20,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608370942] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:59:20,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:59:20,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 13:59:20,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955872596] [2022-11-21 13:59:20,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:59:20,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 13:59:20,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:59:20,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:59:20,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 13:59:20,213 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 526 [2022-11-21 13:59:20,214 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 376 transitions, 784 flow. Second operand has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 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 13:59:20,215 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:59:20,215 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 526 [2022-11-21 13:59:20,215 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:59:20,571 INFO L130 PetriNetUnfolder]: 156/881 cut-off events. [2022-11-21 13:59:20,571 INFO L131 PetriNetUnfolder]: For 96/98 co-relation queries the response was YES. [2022-11-21 13:59:20,579 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1152 conditions, 881 events. 156/881 cut-off events. For 96/98 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3029 event pairs, 22 based on Foata normal form. 0/754 useless extension candidates. Maximal degree in co-relation 1083. Up to 179 conditions per place. [2022-11-21 13:59:20,586 INFO L137 encePairwiseOnDemand]: 523/526 looper letters, 21 selfloop transitions, 2 changer transitions 0/375 dead transitions. [2022-11-21 13:59:20,586 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 375 transitions, 828 flow [2022-11-21 13:59:20,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:59:20,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 13:59:20,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1220 transitions. [2022-11-21 13:59:20,591 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7731305449936628 [2022-11-21 13:59:20,591 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1220 transitions. [2022-11-21 13:59:20,591 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1220 transitions. [2022-11-21 13:59:20,592 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:59:20,592 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1220 transitions. [2022-11-21 13:59:20,596 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 406.6666666666667) internal successors, (1220), 3 states have internal predecessors, (1220), 0 states have call successors, (0), 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 13:59:20,599 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:20,600 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:20,601 INFO L175 Difference]: Start difference. First operand has 372 places, 376 transitions, 784 flow. Second operand 3 states and 1220 transitions. [2022-11-21 13:59:20,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 373 places, 375 transitions, 828 flow [2022-11-21 13:59:20,604 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 375 transitions, 827 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 13:59:20,610 INFO L231 Difference]: Finished difference. Result has 372 places, 375 transitions, 785 flow [2022-11-21 13:59:20,610 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=781, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=375, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=373, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=785, PETRI_PLACES=372, PETRI_TRANSITIONS=375} [2022-11-21 13:59:20,611 INFO L288 CegarLoopForPetriNet]: 487 programPoint places, -115 predicate places. [2022-11-21 13:59:20,611 INFO L495 AbstractCegarLoop]: Abstraction has has 372 places, 375 transitions, 785 flow [2022-11-21 13:59:20,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 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 13:59:20,612 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:59:20,612 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:59:20,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-21 13:59:20,613 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-11-21 13:59:20,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:59:20,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1131200766, now seen corresponding path program 1 times [2022-11-21 13:59:20,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:59:20,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936550410] [2022-11-21 13:59:20,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:59:20,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:59:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:59:20,702 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 13:59:20,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:59:20,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936550410] [2022-11-21 13:59:20,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936550410] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:59:20,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:59:20,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 13:59:20,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258153429] [2022-11-21 13:59:20,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:59:20,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 13:59:20,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:59:20,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:59:20,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 13:59:20,708 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 526 [2022-11-21 13:59:20,709 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 375 transitions, 785 flow. Second operand has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 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 13:59:20,710 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:59:20,710 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 526 [2022-11-21 13:59:20,710 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:59:21,055 INFO L130 PetriNetUnfolder]: 156/880 cut-off events. [2022-11-21 13:59:21,055 INFO L131 PetriNetUnfolder]: For 96/98 co-relation queries the response was YES. [2022-11-21 13:59:21,063 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1153 conditions, 880 events. 156/880 cut-off events. For 96/98 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3025 event pairs, 22 based on Foata normal form. 0/754 useless extension candidates. Maximal degree in co-relation 1084. Up to 179 conditions per place. [2022-11-21 13:59:21,070 INFO L137 encePairwiseOnDemand]: 523/526 looper letters, 21 selfloop transitions, 2 changer transitions 0/374 dead transitions. [2022-11-21 13:59:21,070 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 374 transitions, 829 flow [2022-11-21 13:59:21,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:59:21,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 13:59:21,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1220 transitions. [2022-11-21 13:59:21,074 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7731305449936628 [2022-11-21 13:59:21,074 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1220 transitions. [2022-11-21 13:59:21,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1220 transitions. [2022-11-21 13:59:21,076 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:59:21,076 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1220 transitions. [2022-11-21 13:59:21,079 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 406.6666666666667) internal successors, (1220), 3 states have internal predecessors, (1220), 0 states have call successors, (0), 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 13:59:21,083 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:21,084 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:21,084 INFO L175 Difference]: Start difference. First operand has 372 places, 375 transitions, 785 flow. Second operand 3 states and 1220 transitions. [2022-11-21 13:59:21,085 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 373 places, 374 transitions, 829 flow [2022-11-21 13:59:21,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 374 transitions, 825 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 13:59:21,093 INFO L231 Difference]: Finished difference. Result has 371 places, 374 transitions, 783 flow [2022-11-21 13:59:21,094 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=779, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=374, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=783, PETRI_PLACES=371, PETRI_TRANSITIONS=374} [2022-11-21 13:59:21,095 INFO L288 CegarLoopForPetriNet]: 487 programPoint places, -116 predicate places. [2022-11-21 13:59:21,095 INFO L495 AbstractCegarLoop]: Abstraction has has 371 places, 374 transitions, 783 flow [2022-11-21 13:59:21,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 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 13:59:21,096 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:59:21,097 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:59:21,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-21 13:59:21,097 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-11-21 13:59:21,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:59:21,098 INFO L85 PathProgramCache]: Analyzing trace with hash 906790737, now seen corresponding path program 1 times [2022-11-21 13:59:21,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:59:21,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639864216] [2022-11-21 13:59:21,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:59:21,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:59:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:59:21,192 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 13:59:21,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:59:21,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639864216] [2022-11-21 13:59:21,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639864216] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:59:21,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:59:21,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 13:59:21,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381967959] [2022-11-21 13:59:21,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:59:21,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 13:59:21,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:59:21,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:59:21,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 13:59:21,198 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 526 [2022-11-21 13:59:21,200 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 374 transitions, 783 flow. Second operand has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 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 13:59:21,200 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:59:21,200 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 526 [2022-11-21 13:59:21,201 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:59:21,543 INFO L130 PetriNetUnfolder]: 156/879 cut-off events. [2022-11-21 13:59:21,543 INFO L131 PetriNetUnfolder]: For 96/98 co-relation queries the response was YES. [2022-11-21 13:59:21,551 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1152 conditions, 879 events. 156/879 cut-off events. For 96/98 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3017 event pairs, 22 based on Foata normal form. 0/754 useless extension candidates. Maximal degree in co-relation 1083. Up to 179 conditions per place. [2022-11-21 13:59:21,558 INFO L137 encePairwiseOnDemand]: 523/526 looper letters, 21 selfloop transitions, 2 changer transitions 0/373 dead transitions. [2022-11-21 13:59:21,559 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 373 transitions, 827 flow [2022-11-21 13:59:21,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:59:21,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 13:59:21,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1220 transitions. [2022-11-21 13:59:21,564 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7731305449936628 [2022-11-21 13:59:21,564 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1220 transitions. [2022-11-21 13:59:21,564 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1220 transitions. [2022-11-21 13:59:21,565 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:59:21,566 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1220 transitions. [2022-11-21 13:59:21,569 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 406.6666666666667) internal successors, (1220), 3 states have internal predecessors, (1220), 0 states have call successors, (0), 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 13:59:21,573 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:21,574 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:21,574 INFO L175 Difference]: Start difference. First operand has 371 places, 374 transitions, 783 flow. Second operand 3 states and 1220 transitions. [2022-11-21 13:59:21,574 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 373 transitions, 827 flow [2022-11-21 13:59:21,577 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 370 places, 373 transitions, 823 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 13:59:21,583 INFO L231 Difference]: Finished difference. Result has 370 places, 373 transitions, 781 flow [2022-11-21 13:59:21,583 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=777, PETRI_DIFFERENCE_MINUEND_PLACES=368, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=373, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=371, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=781, PETRI_PLACES=370, PETRI_TRANSITIONS=373} [2022-11-21 13:59:21,584 INFO L288 CegarLoopForPetriNet]: 487 programPoint places, -117 predicate places. [2022-11-21 13:59:21,584 INFO L495 AbstractCegarLoop]: Abstraction has has 370 places, 373 transitions, 781 flow [2022-11-21 13:59:21,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 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 13:59:21,585 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:59:21,585 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:59:21,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-21 13:59:21,586 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-11-21 13:59:21,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:59:21,587 INFO L85 PathProgramCache]: Analyzing trace with hash -288264029, now seen corresponding path program 1 times [2022-11-21 13:59:21,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:59:21,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924226506] [2022-11-21 13:59:21,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:59:21,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:59:21,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:59:21,721 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 13:59:21,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:59:21,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924226506] [2022-11-21 13:59:21,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924226506] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:59:21,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:59:21,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 13:59:21,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250517646] [2022-11-21 13:59:21,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:59:21,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 13:59:21,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:59:21,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:59:21,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 13:59:21,727 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 394 out of 526 [2022-11-21 13:59:21,729 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 373 transitions, 781 flow. Second operand has 3 states, 3 states have (on average 395.0) internal successors, (1185), 3 states have internal predecessors, (1185), 0 states have call successors, (0), 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 13:59:21,729 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:59:21,729 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 394 of 526 [2022-11-21 13:59:21,729 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:59:22,689 INFO L130 PetriNetUnfolder]: 605/2060 cut-off events. [2022-11-21 13:59:22,689 INFO L131 PetriNetUnfolder]: For 304/312 co-relation queries the response was YES. [2022-11-21 13:59:22,708 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3126 conditions, 2060 events. 605/2060 cut-off events. For 304/312 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 11858 event pairs, 88 based on Foata normal form. 1/1718 useless extension candidates. Maximal degree in co-relation 3058. Up to 566 conditions per place. [2022-11-21 13:59:22,725 INFO L137 encePairwiseOnDemand]: 517/526 looper letters, 31 selfloop transitions, 7 changer transitions 0/381 dead transitions. [2022-11-21 13:59:22,726 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 368 places, 381 transitions, 886 flow [2022-11-21 13:59:22,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:59:22,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 13:59:22,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1218 transitions. [2022-11-21 13:59:22,730 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7718631178707225 [2022-11-21 13:59:22,730 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1218 transitions. [2022-11-21 13:59:22,730 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1218 transitions. [2022-11-21 13:59:22,731 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:59:22,732 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1218 transitions. [2022-11-21 13:59:22,735 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 406.0) internal successors, (1218), 3 states have internal predecessors, (1218), 0 states have call successors, (0), 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 13:59:22,739 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:22,740 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:22,740 INFO L175 Difference]: Start difference. First operand has 370 places, 373 transitions, 781 flow. Second operand 3 states and 1218 transitions. [2022-11-21 13:59:22,740 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 368 places, 381 transitions, 886 flow [2022-11-21 13:59:22,743 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 381 transitions, 882 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 13:59:22,748 INFO L231 Difference]: Finished difference. Result has 367 places, 370 transitions, 794 flow [2022-11-21 13:59:22,750 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=769, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=794, PETRI_PLACES=367, PETRI_TRANSITIONS=370} [2022-11-21 13:59:22,751 INFO L288 CegarLoopForPetriNet]: 487 programPoint places, -120 predicate places. [2022-11-21 13:59:22,751 INFO L495 AbstractCegarLoop]: Abstraction has has 367 places, 370 transitions, 794 flow [2022-11-21 13:59:22,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 395.0) internal successors, (1185), 3 states have internal predecessors, (1185), 0 states have call successors, (0), 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 13:59:22,752 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:59:22,753 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:59:22,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-21 13:59:22,753 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-11-21 13:59:22,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:59:22,754 INFO L85 PathProgramCache]: Analyzing trace with hash 60757476, now seen corresponding path program 1 times [2022-11-21 13:59:22,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:59:22,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545189517] [2022-11-21 13:59:22,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:59:22,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:59:22,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:59:22,853 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 13:59:22,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:59:22,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545189517] [2022-11-21 13:59:22,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545189517] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:59:22,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:59:22,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 13:59:22,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402963952] [2022-11-21 13:59:22,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:59:22,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 13:59:22,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:59:22,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:59:22,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 13:59:22,859 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 526 [2022-11-21 13:59:22,860 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 367 places, 370 transitions, 794 flow. Second operand has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 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 13:59:22,861 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:59:22,861 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 526 [2022-11-21 13:59:22,861 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:59:23,833 INFO L130 PetriNetUnfolder]: 722/2161 cut-off events. [2022-11-21 13:59:23,833 INFO L131 PetriNetUnfolder]: For 1440/1484 co-relation queries the response was YES. [2022-11-21 13:59:23,856 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3669 conditions, 2161 events. 722/2161 cut-off events. For 1440/1484 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 12301 event pairs, 34 based on Foata normal form. 10/1882 useless extension candidates. Maximal degree in co-relation 3601. Up to 668 conditions per place. [2022-11-21 13:59:23,876 INFO L137 encePairwiseOnDemand]: 521/526 looper letters, 32 selfloop transitions, 4 changer transitions 0/382 dead transitions. [2022-11-21 13:59:23,876 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 367 places, 382 transitions, 924 flow [2022-11-21 13:59:23,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:59:23,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 13:59:23,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1231 transitions. [2022-11-21 13:59:23,883 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7801013941698353 [2022-11-21 13:59:23,884 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1231 transitions. [2022-11-21 13:59:23,884 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1231 transitions. [2022-11-21 13:59:23,887 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:59:23,887 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1231 transitions. [2022-11-21 13:59:23,894 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 410.3333333333333) internal successors, (1231), 3 states have internal predecessors, (1231), 0 states have call successors, (0), 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 13:59:23,898 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:23,899 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:23,899 INFO L175 Difference]: Start difference. First operand has 367 places, 370 transitions, 794 flow. Second operand 3 states and 1231 transitions. [2022-11-21 13:59:23,899 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 367 places, 382 transitions, 924 flow [2022-11-21 13:59:23,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 382 transitions, 911 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 13:59:23,909 INFO L231 Difference]: Finished difference. Result has 367 places, 369 transitions, 799 flow [2022-11-21 13:59:23,910 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=783, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=364, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=799, PETRI_PLACES=367, PETRI_TRANSITIONS=369} [2022-11-21 13:59:23,911 INFO L288 CegarLoopForPetriNet]: 487 programPoint places, -120 predicate places. [2022-11-21 13:59:23,912 INFO L495 AbstractCegarLoop]: Abstraction has has 367 places, 369 transitions, 799 flow [2022-11-21 13:59:23,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 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 13:59:23,913 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:59:23,913 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:59:23,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-21 13:59:23,916 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-11-21 13:59:23,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:59:23,917 INFO L85 PathProgramCache]: Analyzing trace with hash 272327479, now seen corresponding path program 1 times [2022-11-21 13:59:23,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:59:23,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617369034] [2022-11-21 13:59:23,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:59:23,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:59:23,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:59:24,014 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 13:59:24,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:59:24,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617369034] [2022-11-21 13:59:24,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617369034] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:59:24,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:59:24,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 13:59:24,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734379229] [2022-11-21 13:59:24,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:59:24,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 13:59:24,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:59:24,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:59:24,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 13:59:24,019 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 526 [2022-11-21 13:59:24,021 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 367 places, 369 transitions, 799 flow. Second operand has 3 states, 3 states have (on average 401.6666666666667) internal successors, (1205), 3 states have internal predecessors, (1205), 0 states have call successors, (0), 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 13:59:24,022 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:59:24,022 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 526 [2022-11-21 13:59:24,022 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:59:25,187 INFO L130 PetriNetUnfolder]: 802/2817 cut-off events. [2022-11-21 13:59:25,187 INFO L131 PetriNetUnfolder]: For 1844/1916 co-relation queries the response was YES. [2022-11-21 13:59:25,206 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4716 conditions, 2817 events. 802/2817 cut-off events. For 1844/1916 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 20762 event pairs, 42 based on Foata normal form. 16/2376 useless extension candidates. Maximal degree in co-relation 4647. Up to 824 conditions per place. [2022-11-21 13:59:25,226 INFO L137 encePairwiseOnDemand]: 521/526 looper letters, 31 selfloop transitions, 4 changer transitions 0/380 dead transitions. [2022-11-21 13:59:25,226 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 367 places, 380 transitions, 927 flow [2022-11-21 13:59:25,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:59:25,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 13:59:25,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1230 transitions. [2022-11-21 13:59:25,231 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.779467680608365 [2022-11-21 13:59:25,231 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1230 transitions. [2022-11-21 13:59:25,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1230 transitions. [2022-11-21 13:59:25,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:59:25,233 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1230 transitions. [2022-11-21 13:59:25,236 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 410.0) internal successors, (1230), 3 states have internal predecessors, (1230), 0 states have call successors, (0), 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 13:59:25,240 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:25,241 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:25,241 INFO L175 Difference]: Start difference. First operand has 367 places, 369 transitions, 799 flow. Second operand 3 states and 1230 transitions. [2022-11-21 13:59:25,241 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 367 places, 380 transitions, 927 flow [2022-11-21 13:59:25,246 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 380 transitions, 920 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 13:59:25,251 INFO L231 Difference]: Finished difference. Result has 367 places, 368 transitions, 807 flow [2022-11-21 13:59:25,252 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=791, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=363, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=807, PETRI_PLACES=367, PETRI_TRANSITIONS=368} [2022-11-21 13:59:25,253 INFO L288 CegarLoopForPetriNet]: 487 programPoint places, -120 predicate places. [2022-11-21 13:59:25,253 INFO L495 AbstractCegarLoop]: Abstraction has has 367 places, 368 transitions, 807 flow [2022-11-21 13:59:25,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.6666666666667) internal successors, (1205), 3 states have internal predecessors, (1205), 0 states have call successors, (0), 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 13:59:25,254 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:59:25,254 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:59:25,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-21 13:59:25,255 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-11-21 13:59:25,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:59:25,255 INFO L85 PathProgramCache]: Analyzing trace with hash -565680569, now seen corresponding path program 1 times [2022-11-21 13:59:25,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:59:25,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188699990] [2022-11-21 13:59:25,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:59:25,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:59:25,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:59:26,210 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 13:59:26,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:59:26,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188699990] [2022-11-21 13:59:26,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188699990] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:59:26,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:59:26,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 13:59:26,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913584248] [2022-11-21 13:59:26,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:59:26,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 13:59:26,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:59:26,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 13:59:26,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 13:59:26,234 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 364 out of 526 [2022-11-21 13:59:26,238 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 367 places, 368 transitions, 807 flow. Second operand has 6 states, 6 states have (on average 366.0) internal successors, (2196), 6 states have internal predecessors, (2196), 0 states have call successors, (0), 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 13:59:26,238 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:59:26,238 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 364 of 526 [2022-11-21 13:59:26,239 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:59:28,234 INFO L130 PetriNetUnfolder]: 1392/2833 cut-off events. [2022-11-21 13:59:28,234 INFO L131 PetriNetUnfolder]: For 4712/4712 co-relation queries the response was YES. [2022-11-21 13:59:28,261 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6815 conditions, 2833 events. 1392/2833 cut-off events. For 4712/4712 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 13634 event pairs, 22 based on Foata normal form. 0/2604 useless extension candidates. Maximal degree in co-relation 6743. Up to 1440 conditions per place. [2022-11-21 13:59:28,292 INFO L137 encePairwiseOnDemand]: 521/526 looper letters, 98 selfloop transitions, 4 changer transitions 0/415 dead transitions. [2022-11-21 13:59:28,293 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 415 transitions, 1277 flow [2022-11-21 13:59:28,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 13:59:28,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 13:59:28,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2267 transitions. [2022-11-21 13:59:28,299 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7183143219264893 [2022-11-21 13:59:28,299 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2267 transitions. [2022-11-21 13:59:28,299 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2267 transitions. [2022-11-21 13:59:28,300 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:59:28,300 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2267 transitions. [2022-11-21 13:59:28,305 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 377.8333333333333) internal successors, (2267), 6 states have internal predecessors, (2267), 0 states have call successors, (0), 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 13:59:28,311 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 526.0) internal successors, (3682), 7 states have internal predecessors, (3682), 0 states have call successors, (0), 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 13:59:28,312 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 526.0) internal successors, (3682), 7 states have internal predecessors, (3682), 0 states have call successors, (0), 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 13:59:28,313 INFO L175 Difference]: Start difference. First operand has 367 places, 368 transitions, 807 flow. Second operand 6 states and 2267 transitions. [2022-11-21 13:59:28,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 415 transitions, 1277 flow [2022-11-21 13:59:28,320 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 370 places, 415 transitions, 1261 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 13:59:28,325 INFO L231 Difference]: Finished difference. Result has 370 places, 367 transitions, 809 flow [2022-11-21 13:59:28,325 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=801, PETRI_DIFFERENCE_MINUEND_PLACES=365, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=363, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=809, PETRI_PLACES=370, PETRI_TRANSITIONS=367} [2022-11-21 13:59:28,326 INFO L288 CegarLoopForPetriNet]: 487 programPoint places, -117 predicate places. [2022-11-21 13:59:28,326 INFO L495 AbstractCegarLoop]: Abstraction has has 370 places, 367 transitions, 809 flow [2022-11-21 13:59:28,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 366.0) internal successors, (2196), 6 states have internal predecessors, (2196), 0 states have call successors, (0), 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 13:59:28,327 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:59:28,327 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:59:28,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-21 13:59:28,328 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-11-21 13:59:28,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:59:28,329 INFO L85 PathProgramCache]: Analyzing trace with hash -124545616, now seen corresponding path program 1 times [2022-11-21 13:59:28,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:59:28,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054423268] [2022-11-21 13:59:28,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:59:28,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:59:28,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:59:29,112 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 13:59:29,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:59:29,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054423268] [2022-11-21 13:59:29,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054423268] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:59:29,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:59:29,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 13:59:29,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846248045] [2022-11-21 13:59:29,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:59:29,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 13:59:29,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:59:29,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 13:59:29,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 13:59:29,117 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 364 out of 526 [2022-11-21 13:59:29,120 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 367 transitions, 809 flow. Second operand has 6 states, 6 states have (on average 367.0) internal successors, (2202), 6 states have internal predecessors, (2202), 0 states have call successors, (0), 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 13:59:29,120 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:59:29,120 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 364 of 526 [2022-11-21 13:59:29,120 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:59:30,798 INFO L130 PetriNetUnfolder]: 1332/2672 cut-off events. [2022-11-21 13:59:30,799 INFO L131 PetriNetUnfolder]: For 2650/2650 co-relation queries the response was YES. [2022-11-21 13:59:30,826 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6524 conditions, 2672 events. 1332/2672 cut-off events. For 2650/2650 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 12529 event pairs, 103 based on Foata normal form. 0/2445 useless extension candidates. Maximal degree in co-relation 6451. Up to 896 conditions per place. [2022-11-21 13:59:30,859 INFO L137 encePairwiseOnDemand]: 521/526 looper letters, 73 selfloop transitions, 4 changer transitions 0/390 dead transitions. [2022-11-21 13:59:30,860 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 390 transitions, 1089 flow [2022-11-21 13:59:30,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 13:59:30,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 13:59:30,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2250 transitions. [2022-11-21 13:59:30,866 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7129277566539924 [2022-11-21 13:59:30,866 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2250 transitions. [2022-11-21 13:59:30,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2250 transitions. [2022-11-21 13:59:30,867 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:59:30,867 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2250 transitions. [2022-11-21 13:59:30,871 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 375.0) internal successors, (2250), 6 states have internal predecessors, (2250), 0 states have call successors, (0), 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 13:59:30,880 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 526.0) internal successors, (3682), 7 states have internal predecessors, (3682), 0 states have call successors, (0), 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 13:59:30,881 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 526.0) internal successors, (3682), 7 states have internal predecessors, (3682), 0 states have call successors, (0), 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 13:59:30,882 INFO L175 Difference]: Start difference. First operand has 370 places, 367 transitions, 809 flow. Second operand 6 states and 2250 transitions. [2022-11-21 13:59:30,882 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 390 transitions, 1089 flow [2022-11-21 13:59:30,887 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 370 places, 390 transitions, 1082 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 13:59:30,892 INFO L231 Difference]: Finished difference. Result has 370 places, 366 transitions, 808 flow [2022-11-21 13:59:30,892 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=800, PETRI_DIFFERENCE_MINUEND_PLACES=365, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=366, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=808, PETRI_PLACES=370, PETRI_TRANSITIONS=366} [2022-11-21 13:59:30,893 INFO L288 CegarLoopForPetriNet]: 487 programPoint places, -117 predicate places. [2022-11-21 13:59:30,893 INFO L495 AbstractCegarLoop]: Abstraction has has 370 places, 366 transitions, 808 flow [2022-11-21 13:59:30,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 367.0) internal successors, (2202), 6 states have internal predecessors, (2202), 0 states have call successors, (0), 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 13:59:30,894 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:59:30,895 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:59:30,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-21 13:59:30,895 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-11-21 13:59:30,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:59:30,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1327629800, now seen corresponding path program 1 times [2022-11-21 13:59:30,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:59:30,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271308765] [2022-11-21 13:59:30,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:59:30,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:59:30,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:59:31,771 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 13:59:31,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:59:31,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271308765] [2022-11-21 13:59:31,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271308765] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:59:31,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:59:31,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 13:59:31,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788200970] [2022-11-21 13:59:31,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:59:31,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 13:59:31,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:59:31,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 13:59:31,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 13:59:31,781 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 364 out of 526 [2022-11-21 13:59:31,785 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 366 transitions, 808 flow. Second operand has 6 states, 6 states have (on average 368.0) internal successors, (2208), 6 states have internal predecessors, (2208), 0 states have call successors, (0), 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 13:59:31,785 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:59:31,785 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 364 of 526 [2022-11-21 13:59:31,786 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:59:33,451 INFO L130 PetriNetUnfolder]: 1282/2557 cut-off events. [2022-11-21 13:59:33,451 INFO L131 PetriNetUnfolder]: For 2560/2560 co-relation queries the response was YES. [2022-11-21 13:59:33,481 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6311 conditions, 2557 events. 1282/2557 cut-off events. For 2560/2560 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 11638 event pairs, 202 based on Foata normal form. 0/2374 useless extension candidates. Maximal degree in co-relation 6238. Up to 1181 conditions per place. [2022-11-21 13:59:33,509 INFO L137 encePairwiseOnDemand]: 521/526 looper letters, 60 selfloop transitions, 4 changer transitions 0/377 dead transitions. [2022-11-21 13:59:33,509 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 377 transitions, 998 flow [2022-11-21 13:59:33,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 13:59:33,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 13:59:33,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2241 transitions. [2022-11-21 13:59:33,515 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7100760456273765 [2022-11-21 13:59:33,515 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2241 transitions. [2022-11-21 13:59:33,516 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2241 transitions. [2022-11-21 13:59:33,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:59:33,517 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2241 transitions. [2022-11-21 13:59:33,521 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 373.5) internal successors, (2241), 6 states have internal predecessors, (2241), 0 states have call successors, (0), 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 13:59:33,528 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 526.0) internal successors, (3682), 7 states have internal predecessors, (3682), 0 states have call successors, (0), 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 13:59:33,529 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 526.0) internal successors, (3682), 7 states have internal predecessors, (3682), 0 states have call successors, (0), 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 13:59:33,530 INFO L175 Difference]: Start difference. First operand has 370 places, 366 transitions, 808 flow. Second operand 6 states and 2241 transitions. [2022-11-21 13:59:33,530 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 377 transitions, 998 flow [2022-11-21 13:59:33,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 370 places, 377 transitions, 991 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 13:59:33,541 INFO L231 Difference]: Finished difference. Result has 370 places, 365 transitions, 807 flow [2022-11-21 13:59:33,542 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=799, PETRI_DIFFERENCE_MINUEND_PLACES=365, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=365, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=361, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=807, PETRI_PLACES=370, PETRI_TRANSITIONS=365} [2022-11-21 13:59:33,547 INFO L288 CegarLoopForPetriNet]: 487 programPoint places, -117 predicate places. [2022-11-21 13:59:33,550 INFO L495 AbstractCegarLoop]: Abstraction has has 370 places, 365 transitions, 807 flow [2022-11-21 13:59:33,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 368.0) internal successors, (2208), 6 states have internal predecessors, (2208), 0 states have call successors, (0), 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 13:59:33,552 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:59:33,552 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:59:33,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-21 13:59:33,552 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-11-21 13:59:33,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:59:33,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1828506571, now seen corresponding path program 1 times [2022-11-21 13:59:33,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:59:33,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874053764] [2022-11-21 13:59:33,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:59:33,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:59:33,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:59:33,668 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 13:59:33,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:59:33,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874053764] [2022-11-21 13:59:33,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874053764] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:59:33,669 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:59:33,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 13:59:33,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481076963] [2022-11-21 13:59:33,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:59:33,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 13:59:33,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:59:33,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:59:33,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 13:59:33,672 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 526 [2022-11-21 13:59:33,674 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 365 transitions, 807 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 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 13:59:33,674 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:59:33,674 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 526 [2022-11-21 13:59:33,675 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:59:34,206 INFO L130 PetriNetUnfolder]: 244/1547 cut-off events. [2022-11-21 13:59:34,207 INFO L131 PetriNetUnfolder]: For 560/568 co-relation queries the response was YES. [2022-11-21 13:59:34,220 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2486 conditions, 1547 events. 244/1547 cut-off events. For 560/568 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 8826 event pairs, 42 based on Foata normal form. 64/1442 useless extension candidates. Maximal degree in co-relation 2413. Up to 346 conditions per place. [2022-11-21 13:59:34,221 INFO L137 encePairwiseOnDemand]: 524/526 looper letters, 0 selfloop transitions, 0 changer transitions 364/364 dead transitions. [2022-11-21 13:59:34,222 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 364 transitions, 847 flow [2022-11-21 13:59:34,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:59:34,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 13:59:34,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1218 transitions. [2022-11-21 13:59:34,226 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7718631178707225 [2022-11-21 13:59:34,226 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1218 transitions. [2022-11-21 13:59:34,226 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1218 transitions. [2022-11-21 13:59:34,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:59:34,228 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1218 transitions. [2022-11-21 13:59:34,230 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 406.0) internal successors, (1218), 3 states have internal predecessors, (1218), 0 states have call successors, (0), 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 13:59:34,233 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:34,234 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 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 13:59:34,235 INFO L175 Difference]: Start difference. First operand has 370 places, 365 transitions, 807 flow. Second operand 3 states and 1218 transitions. [2022-11-21 13:59:34,235 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 364 transitions, 847 flow [2022-11-21 13:59:34,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 367 places, 364 transitions, 840 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 13:59:34,242 INFO L231 Difference]: Finished difference. Result has 367 places, 0 transitions, 0 flow [2022-11-21 13:59:34,243 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=798, PETRI_DIFFERENCE_MINUEND_PLACES=365, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=364, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=364, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=367, PETRI_TRANSITIONS=0} [2022-11-21 13:59:34,244 INFO L288 CegarLoopForPetriNet]: 487 programPoint places, -120 predicate places. [2022-11-21 13:59:34,244 INFO L495 AbstractCegarLoop]: Abstraction has has 367 places, 0 transitions, 0 flow [2022-11-21 13:59:34,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 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 13:59:34,252 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (230 of 231 remaining) [2022-11-21 13:59:34,252 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (229 of 231 remaining) [2022-11-21 13:59:34,253 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (228 of 231 remaining) [2022-11-21 13:59:34,253 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (227 of 231 remaining) [2022-11-21 13:59:34,253 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (226 of 231 remaining) [2022-11-21 13:59:34,253 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (225 of 231 remaining) [2022-11-21 13:59:34,254 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (224 of 231 remaining) [2022-11-21 13:59:34,254 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (223 of 231 remaining) [2022-11-21 13:59:34,254 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (222 of 231 remaining) [2022-11-21 13:59:34,254 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (221 of 231 remaining) [2022-11-21 13:59:34,255 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (220 of 231 remaining) [2022-11-21 13:59:34,255 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (219 of 231 remaining) [2022-11-21 13:59:34,255 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (218 of 231 remaining) [2022-11-21 13:59:34,255 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (217 of 231 remaining) [2022-11-21 13:59:34,255 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (216 of 231 remaining) [2022-11-21 13:59:34,256 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (215 of 231 remaining) [2022-11-21 13:59:34,256 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (214 of 231 remaining) [2022-11-21 13:59:34,256 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (213 of 231 remaining) [2022-11-21 13:59:34,256 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (212 of 231 remaining) [2022-11-21 13:59:34,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (211 of 231 remaining) [2022-11-21 13:59:34,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (210 of 231 remaining) [2022-11-21 13:59:34,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (209 of 231 remaining) [2022-11-21 13:59:34,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (208 of 231 remaining) [2022-11-21 13:59:34,258 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (207 of 231 remaining) [2022-11-21 13:59:34,258 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (206 of 231 remaining) [2022-11-21 13:59:34,258 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err25ASSERT_VIOLATIONDATA_RACE (205 of 231 remaining) [2022-11-21 13:59:34,258 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err26ASSERT_VIOLATIONDATA_RACE (204 of 231 remaining) [2022-11-21 13:59:34,258 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err27ASSERT_VIOLATIONDATA_RACE (203 of 231 remaining) [2022-11-21 13:59:34,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err28ASSERT_VIOLATIONDATA_RACE (202 of 231 remaining) [2022-11-21 13:59:34,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err29ASSERT_VIOLATIONDATA_RACE (201 of 231 remaining) [2022-11-21 13:59:34,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err30ASSERT_VIOLATIONDATA_RACE (200 of 231 remaining) [2022-11-21 13:59:34,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err31ASSERT_VIOLATIONDATA_RACE (199 of 231 remaining) [2022-11-21 13:59:34,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err32ASSERT_VIOLATIONDATA_RACE (198 of 231 remaining) [2022-11-21 13:59:34,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err33ASSERT_VIOLATIONDATA_RACE (197 of 231 remaining) [2022-11-21 13:59:34,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err34ASSERT_VIOLATIONDATA_RACE (196 of 231 remaining) [2022-11-21 13:59:34,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err35ASSERT_VIOLATIONDATA_RACE (195 of 231 remaining) [2022-11-21 13:59:34,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err36ASSERT_VIOLATIONDATA_RACE (194 of 231 remaining) [2022-11-21 13:59:34,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err37ASSERT_VIOLATIONDATA_RACE (193 of 231 remaining) [2022-11-21 13:59:34,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err38ASSERT_VIOLATIONDATA_RACE (192 of 231 remaining) [2022-11-21 13:59:34,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err39ASSERT_VIOLATIONDATA_RACE (191 of 231 remaining) [2022-11-21 13:59:34,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err40ASSERT_VIOLATIONDATA_RACE (190 of 231 remaining) [2022-11-21 13:59:34,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err41ASSERT_VIOLATIONDATA_RACE (189 of 231 remaining) [2022-11-21 13:59:34,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err42ASSERT_VIOLATIONDATA_RACE (188 of 231 remaining) [2022-11-21 13:59:34,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err43ASSERT_VIOLATIONDATA_RACE (187 of 231 remaining) [2022-11-21 13:59:34,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err44ASSERT_VIOLATIONDATA_RACE (186 of 231 remaining) [2022-11-21 13:59:34,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err45ASSERT_VIOLATIONDATA_RACE (185 of 231 remaining) [2022-11-21 13:59:34,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err46ASSERT_VIOLATIONDATA_RACE (184 of 231 remaining) [2022-11-21 13:59:34,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err47ASSERT_VIOLATIONDATA_RACE (183 of 231 remaining) [2022-11-21 13:59:34,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err48ASSERT_VIOLATIONDATA_RACE (182 of 231 remaining) [2022-11-21 13:59:34,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err49ASSERT_VIOLATIONDATA_RACE (181 of 231 remaining) [2022-11-21 13:59:34,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (180 of 231 remaining) [2022-11-21 13:59:34,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (179 of 231 remaining) [2022-11-21 13:59:34,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (178 of 231 remaining) [2022-11-21 13:59:34,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (177 of 231 remaining) [2022-11-21 13:59:34,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (176 of 231 remaining) [2022-11-21 13:59:34,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (175 of 231 remaining) [2022-11-21 13:59:34,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (174 of 231 remaining) [2022-11-21 13:59:34,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (173 of 231 remaining) [2022-11-21 13:59:34,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (172 of 231 remaining) [2022-11-21 13:59:34,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (171 of 231 remaining) [2022-11-21 13:59:34,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (170 of 231 remaining) [2022-11-21 13:59:34,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (169 of 231 remaining) [2022-11-21 13:59:34,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (168 of 231 remaining) [2022-11-21 13:59:34,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (167 of 231 remaining) [2022-11-21 13:59:34,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (166 of 231 remaining) [2022-11-21 13:59:34,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (165 of 231 remaining) [2022-11-21 13:59:34,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (164 of 231 remaining) [2022-11-21 13:59:34,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (163 of 231 remaining) [2022-11-21 13:59:34,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (162 of 231 remaining) [2022-11-21 13:59:34,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (161 of 231 remaining) [2022-11-21 13:59:34,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (160 of 231 remaining) [2022-11-21 13:59:34,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (159 of 231 remaining) [2022-11-21 13:59:34,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (158 of 231 remaining) [2022-11-21 13:59:34,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (157 of 231 remaining) [2022-11-21 13:59:34,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (156 of 231 remaining) [2022-11-21 13:59:34,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (155 of 231 remaining) [2022-11-21 13:59:34,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (154 of 231 remaining) [2022-11-21 13:59:34,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (153 of 231 remaining) [2022-11-21 13:59:34,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (152 of 231 remaining) [2022-11-21 13:59:34,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (151 of 231 remaining) [2022-11-21 13:59:34,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (150 of 231 remaining) [2022-11-21 13:59:34,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (149 of 231 remaining) [2022-11-21 13:59:34,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (148 of 231 remaining) [2022-11-21 13:59:34,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (147 of 231 remaining) [2022-11-21 13:59:34,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (146 of 231 remaining) [2022-11-21 13:59:34,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (145 of 231 remaining) [2022-11-21 13:59:34,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (144 of 231 remaining) [2022-11-21 13:59:34,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (143 of 231 remaining) [2022-11-21 13:59:34,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (142 of 231 remaining) [2022-11-21 13:59:34,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (141 of 231 remaining) [2022-11-21 13:59:34,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (140 of 231 remaining) [2022-11-21 13:59:34,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (139 of 231 remaining) [2022-11-21 13:59:34,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (138 of 231 remaining) [2022-11-21 13:59:34,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (137 of 231 remaining) [2022-11-21 13:59:34,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (136 of 231 remaining) [2022-11-21 13:59:34,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONDATA_RACE (135 of 231 remaining) [2022-11-21 13:59:34,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONDATA_RACE (134 of 231 remaining) [2022-11-21 13:59:34,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONDATA_RACE (133 of 231 remaining) [2022-11-21 13:59:34,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err23ASSERT_VIOLATIONDATA_RACE (132 of 231 remaining) [2022-11-21 13:59:34,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err24ASSERT_VIOLATIONDATA_RACE (131 of 231 remaining) [2022-11-21 13:59:34,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (130 of 231 remaining) [2022-11-21 13:59:34,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (129 of 231 remaining) [2022-11-21 13:59:34,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (128 of 231 remaining) [2022-11-21 13:59:34,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (127 of 231 remaining) [2022-11-21 13:59:34,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (126 of 231 remaining) [2022-11-21 13:59:34,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (125 of 231 remaining) [2022-11-21 13:59:34,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (124 of 231 remaining) [2022-11-21 13:59:34,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (123 of 231 remaining) [2022-11-21 13:59:34,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (122 of 231 remaining) [2022-11-21 13:59:34,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (121 of 231 remaining) [2022-11-21 13:59:34,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (120 of 231 remaining) [2022-11-21 13:59:34,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (119 of 231 remaining) [2022-11-21 13:59:34,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (118 of 231 remaining) [2022-11-21 13:59:34,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (117 of 231 remaining) [2022-11-21 13:59:34,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (116 of 231 remaining) [2022-11-21 13:59:34,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (115 of 231 remaining) [2022-11-21 13:59:34,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (114 of 231 remaining) [2022-11-21 13:59:34,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (113 of 231 remaining) [2022-11-21 13:59:34,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (112 of 231 remaining) [2022-11-21 13:59:34,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (111 of 231 remaining) [2022-11-21 13:59:34,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (110 of 231 remaining) [2022-11-21 13:59:34,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (109 of 231 remaining) [2022-11-21 13:59:34,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (108 of 231 remaining) [2022-11-21 13:59:34,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (107 of 231 remaining) [2022-11-21 13:59:34,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (106 of 231 remaining) [2022-11-21 13:59:34,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (105 of 231 remaining) [2022-11-21 13:59:34,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (104 of 231 remaining) [2022-11-21 13:59:34,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (103 of 231 remaining) [2022-11-21 13:59:34,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (102 of 231 remaining) [2022-11-21 13:59:34,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (101 of 231 remaining) [2022-11-21 13:59:34,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (100 of 231 remaining) [2022-11-21 13:59:34,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (99 of 231 remaining) [2022-11-21 13:59:34,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (98 of 231 remaining) [2022-11-21 13:59:34,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (97 of 231 remaining) [2022-11-21 13:59:34,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (96 of 231 remaining) [2022-11-21 13:59:34,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (95 of 231 remaining) [2022-11-21 13:59:34,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (94 of 231 remaining) [2022-11-21 13:59:34,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (93 of 231 remaining) [2022-11-21 13:59:34,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (92 of 231 remaining) [2022-11-21 13:59:34,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (91 of 231 remaining) [2022-11-21 13:59:34,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (90 of 231 remaining) [2022-11-21 13:59:34,284 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (89 of 231 remaining) [2022-11-21 13:59:34,284 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (88 of 231 remaining) [2022-11-21 13:59:34,284 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (87 of 231 remaining) [2022-11-21 13:59:34,284 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (86 of 231 remaining) [2022-11-21 13:59:34,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (85 of 231 remaining) [2022-11-21 13:59:34,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (84 of 231 remaining) [2022-11-21 13:59:34,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (83 of 231 remaining) [2022-11-21 13:59:34,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (82 of 231 remaining) [2022-11-21 13:59:34,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (81 of 231 remaining) [2022-11-21 13:59:34,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (80 of 231 remaining) [2022-11-21 13:59:34,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (79 of 231 remaining) [2022-11-21 13:59:34,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (78 of 231 remaining) [2022-11-21 13:59:34,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (77 of 231 remaining) [2022-11-21 13:59:34,287 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (76 of 231 remaining) [2022-11-21 13:59:34,287 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (75 of 231 remaining) [2022-11-21 13:59:34,287 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err25ASSERT_VIOLATIONDATA_RACE (74 of 231 remaining) [2022-11-21 13:59:34,287 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err26ASSERT_VIOLATIONDATA_RACE (73 of 231 remaining) [2022-11-21 13:59:34,287 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err27ASSERT_VIOLATIONDATA_RACE (72 of 231 remaining) [2022-11-21 13:59:34,288 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err28ASSERT_VIOLATIONDATA_RACE (71 of 231 remaining) [2022-11-21 13:59:34,288 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err29ASSERT_VIOLATIONDATA_RACE (70 of 231 remaining) [2022-11-21 13:59:34,288 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err30ASSERT_VIOLATIONDATA_RACE (69 of 231 remaining) [2022-11-21 13:59:34,288 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err31ASSERT_VIOLATIONDATA_RACE (68 of 231 remaining) [2022-11-21 13:59:34,289 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err32ASSERT_VIOLATIONDATA_RACE (67 of 231 remaining) [2022-11-21 13:59:34,289 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err33ASSERT_VIOLATIONDATA_RACE (66 of 231 remaining) [2022-11-21 13:59:34,289 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err34ASSERT_VIOLATIONDATA_RACE (65 of 231 remaining) [2022-11-21 13:59:34,289 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err35ASSERT_VIOLATIONDATA_RACE (64 of 231 remaining) [2022-11-21 13:59:34,289 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err36ASSERT_VIOLATIONDATA_RACE (63 of 231 remaining) [2022-11-21 13:59:34,290 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err37ASSERT_VIOLATIONDATA_RACE (62 of 231 remaining) [2022-11-21 13:59:34,290 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err38ASSERT_VIOLATIONDATA_RACE (61 of 231 remaining) [2022-11-21 13:59:34,290 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err39ASSERT_VIOLATIONDATA_RACE (60 of 231 remaining) [2022-11-21 13:59:34,290 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err40ASSERT_VIOLATIONDATA_RACE (59 of 231 remaining) [2022-11-21 13:59:34,291 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err41ASSERT_VIOLATIONDATA_RACE (58 of 231 remaining) [2022-11-21 13:59:34,291 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err42ASSERT_VIOLATIONDATA_RACE (57 of 231 remaining) [2022-11-21 13:59:34,291 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err43ASSERT_VIOLATIONDATA_RACE (56 of 231 remaining) [2022-11-21 13:59:34,291 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err44ASSERT_VIOLATIONDATA_RACE (55 of 231 remaining) [2022-11-21 13:59:34,291 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err45ASSERT_VIOLATIONDATA_RACE (54 of 231 remaining) [2022-11-21 13:59:34,292 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err46ASSERT_VIOLATIONDATA_RACE (53 of 231 remaining) [2022-11-21 13:59:34,292 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err47ASSERT_VIOLATIONDATA_RACE (52 of 231 remaining) [2022-11-21 13:59:34,292 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err48ASSERT_VIOLATIONDATA_RACE (51 of 231 remaining) [2022-11-21 13:59:34,292 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err49ASSERT_VIOLATIONDATA_RACE (50 of 231 remaining) [2022-11-21 13:59:34,292 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (49 of 231 remaining) [2022-11-21 13:59:34,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (48 of 231 remaining) [2022-11-21 13:59:34,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (47 of 231 remaining) [2022-11-21 13:59:34,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (46 of 231 remaining) [2022-11-21 13:59:34,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (45 of 231 remaining) [2022-11-21 13:59:34,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (44 of 231 remaining) [2022-11-21 13:59:34,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (43 of 231 remaining) [2022-11-21 13:59:34,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (42 of 231 remaining) [2022-11-21 13:59:34,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (41 of 231 remaining) [2022-11-21 13:59:34,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (40 of 231 remaining) [2022-11-21 13:59:34,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (39 of 231 remaining) [2022-11-21 13:59:34,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (38 of 231 remaining) [2022-11-21 13:59:34,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (37 of 231 remaining) [2022-11-21 13:59:34,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (36 of 231 remaining) [2022-11-21 13:59:34,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (35 of 231 remaining) [2022-11-21 13:59:34,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (34 of 231 remaining) [2022-11-21 13:59:34,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (33 of 231 remaining) [2022-11-21 13:59:34,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (32 of 231 remaining) [2022-11-21 13:59:34,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (31 of 231 remaining) [2022-11-21 13:59:34,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (30 of 231 remaining) [2022-11-21 13:59:34,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (29 of 231 remaining) [2022-11-21 13:59:34,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (28 of 231 remaining) [2022-11-21 13:59:34,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (27 of 231 remaining) [2022-11-21 13:59:34,298 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (26 of 231 remaining) [2022-11-21 13:59:34,298 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (25 of 231 remaining) [2022-11-21 13:59:34,298 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (24 of 231 remaining) [2022-11-21 13:59:34,298 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (23 of 231 remaining) [2022-11-21 13:59:34,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (22 of 231 remaining) [2022-11-21 13:59:34,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (21 of 231 remaining) [2022-11-21 13:59:34,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (20 of 231 remaining) [2022-11-21 13:59:34,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (19 of 231 remaining) [2022-11-21 13:59:34,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (18 of 231 remaining) [2022-11-21 13:59:34,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (17 of 231 remaining) [2022-11-21 13:59:34,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (16 of 231 remaining) [2022-11-21 13:59:34,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (15 of 231 remaining) [2022-11-21 13:59:34,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (14 of 231 remaining) [2022-11-21 13:59:34,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (13 of 231 remaining) [2022-11-21 13:59:34,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (12 of 231 remaining) [2022-11-21 13:59:34,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (11 of 231 remaining) [2022-11-21 13:59:34,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (10 of 231 remaining) [2022-11-21 13:59:34,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (9 of 231 remaining) [2022-11-21 13:59:34,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (8 of 231 remaining) [2022-11-21 13:59:34,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (7 of 231 remaining) [2022-11-21 13:59:34,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (6 of 231 remaining) [2022-11-21 13:59:34,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (5 of 231 remaining) [2022-11-21 13:59:34,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONDATA_RACE (4 of 231 remaining) [2022-11-21 13:59:34,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONDATA_RACE (3 of 231 remaining) [2022-11-21 13:59:34,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONDATA_RACE (2 of 231 remaining) [2022-11-21 13:59:34,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err23ASSERT_VIOLATIONDATA_RACE (1 of 231 remaining) [2022-11-21 13:59:34,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err24ASSERT_VIOLATIONDATA_RACE (0 of 231 remaining) [2022-11-21 13:59:34,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-21 13:59:34,304 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:59:34,316 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-21 13:59:34,316 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 13:59:34,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 01:59:34 BasicIcfg [2022-11-21 13:59:34,323 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 13:59:34,323 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 13:59:34,323 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 13:59:34,324 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 13:59:34,324 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:59:11" (3/4) ... [2022-11-21 13:59:34,328 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 13:59:34,335 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-21 13:59:34,335 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-21 13:59:34,335 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-21 13:59:34,350 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2022-11-21 13:59:34,351 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 13:59:34,351 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 13:59:34,352 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 13:59:34,463 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d5af7-f751-4252-aed6-7e25e98eac06/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 13:59:34,464 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 13:59:34,464 INFO L158 Benchmark]: Toolchain (without parser) took 26918.96ms. Allocated memory was 172.0MB in the beginning and 989.9MB in the end (delta: 817.9MB). Free memory was 135.3MB in the beginning and 714.9MB in the end (delta: -579.6MB). Peak memory consumption was 236.7MB. Max. memory is 16.1GB. [2022-11-21 13:59:34,465 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 121.6MB. Free memory is still 88.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 13:59:34,465 INFO L158 Benchmark]: CACSL2BoogieTranslator took 478.94ms. Allocated memory is still 172.0MB. Free memory was 135.3MB in the beginning and 133.9MB in the end (delta: 1.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 13:59:34,466 INFO L158 Benchmark]: Boogie Procedure Inliner took 129.85ms. Allocated memory is still 172.0MB. Free memory was 133.9MB in the beginning and 129.1MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 13:59:34,466 INFO L158 Benchmark]: Boogie Preprocessor took 125.67ms. Allocated memory is still 172.0MB. Free memory was 129.1MB in the beginning and 123.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-21 13:59:34,467 INFO L158 Benchmark]: RCFGBuilder took 2769.84ms. Allocated memory was 172.0MB in the beginning and 257.9MB in the end (delta: 86.0MB). Free memory was 123.9MB in the beginning and 161.8MB in the end (delta: -37.9MB). Peak memory consumption was 99.4MB. Max. memory is 16.1GB. [2022-11-21 13:59:34,467 INFO L158 Benchmark]: TraceAbstraction took 23257.71ms. Allocated memory was 257.9MB in the beginning and 989.9MB in the end (delta: 731.9MB). Free memory was 160.7MB in the beginning and 720.1MB in the end (delta: -559.4MB). Peak memory consumption was 172.5MB. Max. memory is 16.1GB. [2022-11-21 13:59:34,473 INFO L158 Benchmark]: Witness Printer took 140.78ms. Allocated memory is still 989.9MB. Free memory was 720.1MB in the beginning and 714.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 13:59:34,477 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 121.6MB. Free memory is still 88.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 478.94ms. Allocated memory is still 172.0MB. Free memory was 135.3MB in the beginning and 133.9MB in the end (delta: 1.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 129.85ms. Allocated memory is still 172.0MB. Free memory was 133.9MB in the beginning and 129.1MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 125.67ms. Allocated memory is still 172.0MB. Free memory was 129.1MB in the beginning and 123.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2769.84ms. Allocated memory was 172.0MB in the beginning and 257.9MB in the end (delta: 86.0MB). Free memory was 123.9MB in the beginning and 161.8MB in the end (delta: -37.9MB). Peak memory consumption was 99.4MB. Max. memory is 16.1GB. * TraceAbstraction took 23257.71ms. Allocated memory was 257.9MB in the beginning and 989.9MB in the end (delta: 731.9MB). Free memory was 160.7MB in the beginning and 720.1MB in the end (delta: -559.4MB). Peak memory consumption was 172.5MB. Max. memory is 16.1GB. * Witness Printer took 140.78ms. Allocated memory is still 989.9MB. Free memory was 720.1MB in the beginning and 714.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 110]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 136]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 138]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 138]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 173]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 140]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 141]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 141]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 142]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 143]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 143]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 173]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 145]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 146]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 146]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 147]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 148]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 148]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 173]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 150]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 151]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 157]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 158]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 159]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 161]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 653 locations, 231 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 22.9s, OverallIterations: 29, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 16.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 178 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 178 mSDsluCounter, 241 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 164 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1265 IncrementalHoareTripleChecker+Invalid, 1429 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 164 mSolverCounterUnsat, 241 mSDtfsCounter, 1265 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1024occurred in iteration=0, InterpolantAutomatonStates: 99, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 4275 NumberOfCodeBlocks, 4275 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 4246 ConstructedInterpolants, 0 QuantifiedInterpolants, 4654 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 29 InterpolantComputations, 29 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 128 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-21 13:59:34,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0d5af7-f751-4252-aed6-7e25e98eac06/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE