./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-three-array-sum-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24141e81-363a-4a34-b089-875f116ef0bc/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24141e81-363a-4a34-b089-875f116ef0bc/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_24141e81-363a-4a34-b089-875f116ef0bc/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24141e81-363a-4a34-b089-875f116ef0bc/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-three-array-sum-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24141e81-363a-4a34-b089-875f116ef0bc/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_24141e81-363a-4a34-b089-875f116ef0bc/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 6727abf6d3311127e7c3f388ca276994a5a41bcb1f2faca3217c66ebe13b8b8f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 16:36:49,093 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:36:49,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:36:49,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:36:49,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:36:49,139 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:36:49,142 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:36:49,145 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:36:49,148 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:36:49,154 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:36:49,155 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:36:49,158 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:36:49,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:36:49,161 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:36:49,163 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:36:49,166 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:36:49,168 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:36:49,170 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:36:49,172 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:36:49,179 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:36:49,181 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:36:49,183 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:36:49,185 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:36:49,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:36:49,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:36:49,199 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:36:49,200 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:36:49,201 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:36:49,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:36:49,203 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:36:49,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:36:49,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:36:49,207 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:36:49,209 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:36:49,211 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:36:49,212 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:36:49,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:36:49,213 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:36:49,213 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:36:49,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:36:49,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:36:49,217 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24141e81-363a-4a34-b089-875f116ef0bc/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-21 16:36:49,259 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:36:49,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:36:49,260 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:36:49,260 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:36:49,261 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:36:49,261 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:36:49,262 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:36:49,262 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:36:49,263 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:36:49,263 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:36:49,263 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:36:49,263 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:36:49,264 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:36:49,264 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:36:49,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:36:49,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:36:49,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:36:49,265 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:36:49,265 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-21 16:36:49,265 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:36:49,265 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:36:49,266 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:36:49,266 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:36:49,266 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:36:49,266 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:36:49,267 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:36:49,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:36:49,267 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:36:49,267 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:36:49,268 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:36:49,268 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:36:49,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:36:49,268 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:36:49,268 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:36:49,269 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:36:49,269 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_24141e81-363a-4a34-b089-875f116ef0bc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24141e81-363a-4a34-b089-875f116ef0bc/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6727abf6d3311127e7c3f388ca276994a5a41bcb1f2faca3217c66ebe13b8b8f [2022-11-21 16:36:49,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:36:49,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:36:49,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:36:49,607 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:36:49,607 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:36:49,608 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24141e81-363a-4a34-b089-875f116ef0bc/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/weaver/popl20-bad-three-array-sum-alt.wvr.c [2022-11-21 16:36:52,607 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:36:52,842 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:36:52,842 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24141e81-363a-4a34-b089-875f116ef0bc/sv-benchmarks/c/weaver/popl20-bad-three-array-sum-alt.wvr.c [2022-11-21 16:36:52,850 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24141e81-363a-4a34-b089-875f116ef0bc/bin/uautomizer-vX5HgA9Q3a/data/d962f63be/88abcec53ddd4a4fa0c9c05d22c363aa/FLAG737cf115d [2022-11-21 16:36:52,864 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24141e81-363a-4a34-b089-875f116ef0bc/bin/uautomizer-vX5HgA9Q3a/data/d962f63be/88abcec53ddd4a4fa0c9c05d22c363aa [2022-11-21 16:36:52,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:36:52,868 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:36:52,869 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:36:52,869 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:36:52,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:36:52,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:36:52" (1/1) ... [2022-11-21 16:36:52,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6167c3e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:52, skipping insertion in model container [2022-11-21 16:36:52,876 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:36:52" (1/1) ... [2022-11-21 16:36:52,884 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:36:52,909 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:36:53,104 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_24141e81-363a-4a34-b089-875f116ef0bc/sv-benchmarks/c/weaver/popl20-bad-three-array-sum-alt.wvr.c[2412,2425] [2022-11-21 16:36:53,112 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:36:53,128 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:36:53,160 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_24141e81-363a-4a34-b089-875f116ef0bc/sv-benchmarks/c/weaver/popl20-bad-three-array-sum-alt.wvr.c[2412,2425] [2022-11-21 16:36:53,170 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:36:53,186 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:36:53,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:53 WrapperNode [2022-11-21 16:36:53,186 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:36:53,187 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:36:53,187 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:36:53,187 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:36:53,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:53" (1/1) ... [2022-11-21 16:36:53,204 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:53" (1/1) ... [2022-11-21 16:36:53,251 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 15, calls inlined = 27, statements flattened = 403 [2022-11-21 16:36:53,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:36:53,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:36:53,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:36:53,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:36:53,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:53" (1/1) ... [2022-11-21 16:36:53,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:53" (1/1) ... [2022-11-21 16:36:53,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:53" (1/1) ... [2022-11-21 16:36:53,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:53" (1/1) ... [2022-11-21 16:36:53,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:53" (1/1) ... [2022-11-21 16:36:53,297 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:53" (1/1) ... [2022-11-21 16:36:53,300 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:53" (1/1) ... [2022-11-21 16:36:53,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:53" (1/1) ... [2022-11-21 16:36:53,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:36:53,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:36:53,308 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:36:53,308 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:36:53,309 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:53" (1/1) ... [2022-11-21 16:36:53,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:36:53,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24141e81-363a-4a34-b089-875f116ef0bc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:36:53,352 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24141e81-363a-4a34-b089-875f116ef0bc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:36:53,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24141e81-363a-4a34-b089-875f116ef0bc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:36:53,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:36:53,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:36:53,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:36:53,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 16:36:53,395 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 16:36:53,399 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 16:36:53,399 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 16:36:53,399 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 16:36:53,400 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-21 16:36:53,400 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-21 16:36:53,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:36:53,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 16:36:53,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:36:53,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:36:53,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:36:53,403 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 16:36:53,525 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:36:53,527 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:36:54,396 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:36:54,409 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:36:54,410 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-21 16:36:54,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:36:54 BoogieIcfgContainer [2022-11-21 16:36:54,413 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:36:54,415 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:36:54,416 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:36:54,419 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:36:54,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:36:52" (1/3) ... [2022-11-21 16:36:54,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12d1a812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:36:54, skipping insertion in model container [2022-11-21 16:36:54,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:53" (2/3) ... [2022-11-21 16:36:54,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12d1a812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:36:54, skipping insertion in model container [2022-11-21 16:36:54,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:36:54" (3/3) ... [2022-11-21 16:36:54,423 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-three-array-sum-alt.wvr.c [2022-11-21 16:36:54,433 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-21 16:36:54,446 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:36:54,446 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 37 error locations. [2022-11-21 16:36:54,446 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-21 16:36:54,570 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-21 16:36:54,623 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 517 places, 536 transitions, 1096 flow [2022-11-21 16:36:54,901 INFO L130 PetriNetUnfolder]: 29/533 cut-off events. [2022-11-21 16:36:54,901 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-21 16:36:54,917 INFO L83 FinitePrefix]: Finished finitePrefix Result has 546 conditions, 533 events. 29/533 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 918 event pairs, 0 based on Foata normal form. 0/467 useless extension candidates. Maximal degree in co-relation 332. Up to 2 conditions per place. [2022-11-21 16:36:54,917 INFO L82 GeneralOperation]: Start removeDead. Operand has 517 places, 536 transitions, 1096 flow [2022-11-21 16:36:54,934 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 470 places, 486 transitions, 990 flow [2022-11-21 16:36:54,953 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:36:54,962 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;@228026fb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:36:54,963 INFO L358 AbstractCegarLoop]: Starting to check reachability of 61 error locations. [2022-11-21 16:36:54,972 INFO L130 PetriNetUnfolder]: 0/26 cut-off events. [2022-11-21 16:36:54,973 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 16:36:54,973 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:36:54,975 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] [2022-11-21 16:36:54,975 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-21 16:36:54,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:36:54,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1341404728, now seen corresponding path program 1 times [2022-11-21 16:36:54,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:36:54,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751043250] [2022-11-21 16:36:54,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:36:54,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:36:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:55,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:36:55,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:36:55,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751043250] [2022-11-21 16:36:55,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751043250] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:36:55,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:36:55,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:36:55,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772825250] [2022-11-21 16:36:55,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:36:55,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:36:55,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:36:55,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:36:55,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:36:55,378 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 482 out of 536 [2022-11-21 16:36:55,389 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 470 places, 486 transitions, 990 flow. Second operand has 3 states, 3 states have (on average 483.3333333333333) internal successors, (1450), 3 states have internal predecessors, (1450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:36:55,389 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:36:55,389 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 482 of 536 [2022-11-21 16:36:55,390 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:36:56,614 INFO L130 PetriNetUnfolder]: 204/3873 cut-off events. [2022-11-21 16:36:56,615 INFO L131 PetriNetUnfolder]: For 84/198 co-relation queries the response was YES. [2022-11-21 16:36:56,637 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4258 conditions, 3873 events. 204/3873 cut-off events. For 84/198 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 32936 event pairs, 135 based on Foata normal form. 131/3412 useless extension candidates. Maximal degree in co-relation 3809. Up to 316 conditions per place. [2022-11-21 16:36:56,660 INFO L137 encePairwiseOnDemand]: 513/536 looper letters, 27 selfloop transitions, 2 changer transitions 6/465 dead transitions. [2022-11-21 16:36:56,660 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 471 places, 465 transitions, 1006 flow [2022-11-21 16:36:56,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:36:56,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:36:56,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1496 transitions. [2022-11-21 16:36:56,686 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9303482587064676 [2022-11-21 16:36:56,687 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1496 transitions. [2022-11-21 16:36:56,687 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1496 transitions. [2022-11-21 16:36:56,692 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:36:56,695 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1496 transitions. [2022-11-21 16:36:56,703 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 498.6666666666667) internal successors, (1496), 3 states have internal predecessors, (1496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:36:56,715 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 536.0) internal successors, (2144), 4 states have internal predecessors, (2144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:36:56,716 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 536.0) internal successors, (2144), 4 states have internal predecessors, (2144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:36:56,719 INFO L175 Difference]: Start difference. First operand has 470 places, 486 transitions, 990 flow. Second operand 3 states and 1496 transitions. [2022-11-21 16:36:56,720 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 471 places, 465 transitions, 1006 flow [2022-11-21 16:36:56,730 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 465 places, 465 transitions, 994 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-11-21 16:36:56,743 INFO L231 Difference]: Finished difference. Result has 465 places, 459 transitions, 928 flow [2022-11-21 16:36:56,746 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=536, PETRI_DIFFERENCE_MINUEND_FLOW=936, PETRI_DIFFERENCE_MINUEND_PLACES=463, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=465, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=463, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=928, PETRI_PLACES=465, PETRI_TRANSITIONS=459} [2022-11-21 16:36:56,758 INFO L288 CegarLoopForPetriNet]: 470 programPoint places, -5 predicate places. [2022-11-21 16:36:56,759 INFO L495 AbstractCegarLoop]: Abstraction has has 465 places, 459 transitions, 928 flow [2022-11-21 16:36:56,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 483.3333333333333) internal successors, (1450), 3 states have internal predecessors, (1450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:36:56,760 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:36:56,761 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:36:56,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:36:56,761 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-21 16:36:56,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:36:56,762 INFO L85 PathProgramCache]: Analyzing trace with hash -805986249, now seen corresponding path program 1 times [2022-11-21 16:36:56,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:36:56,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511121051] [2022-11-21 16:36:56,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:36:56,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:36:56,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:56,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:36:56,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:36:56,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511121051] [2022-11-21 16:36:56,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511121051] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:36:56,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:36:56,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:36:56,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760808748] [2022-11-21 16:36:56,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:36:56,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:36:56,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:36:56,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:36:56,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:36:56,864 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 485 out of 536 [2022-11-21 16:36:56,868 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 465 places, 459 transitions, 928 flow. Second operand has 3 states, 3 states have (on average 486.3333333333333) internal successors, (1459), 3 states have internal predecessors, (1459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:36:56,869 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:36:56,869 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 485 of 536 [2022-11-21 16:36:56,869 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:36:57,677 INFO L130 PetriNetUnfolder]: 100/2663 cut-off events. [2022-11-21 16:36:57,677 INFO L131 PetriNetUnfolder]: For 14/65 co-relation queries the response was YES. [2022-11-21 16:36:57,698 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2835 conditions, 2663 events. 100/2663 cut-off events. For 14/65 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 19670 event pairs, 56 based on Foata normal form. 0/2311 useless extension candidates. Maximal degree in co-relation 2799. Up to 152 conditions per place. [2022-11-21 16:36:57,714 INFO L137 encePairwiseOnDemand]: 529/536 looper letters, 19 selfloop transitions, 1 changer transitions 0/453 dead transitions. [2022-11-21 16:36:57,714 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 455 places, 453 transitions, 956 flow [2022-11-21 16:36:57,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:36:57,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:36:57,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1481 transitions. [2022-11-21 16:36:57,723 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9210199004975125 [2022-11-21 16:36:57,724 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1481 transitions. [2022-11-21 16:36:57,725 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1481 transitions. [2022-11-21 16:36:57,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:36:57,726 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1481 transitions. [2022-11-21 16:36:57,731 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 493.6666666666667) internal successors, (1481), 3 states have internal predecessors, (1481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:36:57,735 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 536.0) internal successors, (2144), 4 states have internal predecessors, (2144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:36:57,736 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 536.0) internal successors, (2144), 4 states have internal predecessors, (2144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:36:57,737 INFO L175 Difference]: Start difference. First operand has 465 places, 459 transitions, 928 flow. Second operand 3 states and 1481 transitions. [2022-11-21 16:36:57,737 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 455 places, 453 transitions, 956 flow [2022-11-21 16:36:57,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 453 places, 453 transitions, 952 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:36:57,748 INFO L231 Difference]: Finished difference. Result has 453 places, 453 transitions, 914 flow [2022-11-21 16:36:57,749 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=536, PETRI_DIFFERENCE_MINUEND_FLOW=912, PETRI_DIFFERENCE_MINUEND_PLACES=451, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=453, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=452, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=914, PETRI_PLACES=453, PETRI_TRANSITIONS=453} [2022-11-21 16:36:57,750 INFO L288 CegarLoopForPetriNet]: 470 programPoint places, -17 predicate places. [2022-11-21 16:36:57,751 INFO L495 AbstractCegarLoop]: Abstraction has has 453 places, 453 transitions, 914 flow [2022-11-21 16:36:57,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 486.3333333333333) internal successors, (1459), 3 states have internal predecessors, (1459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:36:57,753 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:36:57,753 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] [2022-11-21 16:36:57,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:36:57,754 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-21 16:36:57,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:36:57,754 INFO L85 PathProgramCache]: Analyzing trace with hash 629444106, now seen corresponding path program 1 times [2022-11-21 16:36:57,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:36:57,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797523939] [2022-11-21 16:36:57,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:36:57,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:36:57,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:57,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:36:57,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:36:57,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797523939] [2022-11-21 16:36:57,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797523939] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:36:57,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:36:57,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:36:57,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619840181] [2022-11-21 16:36:57,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:36:57,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:36:57,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:36:57,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:36:57,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:36:57,907 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 494 out of 536 [2022-11-21 16:36:57,911 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 453 places, 453 transitions, 914 flow. Second operand has 3 states, 3 states have (on average 495.3333333333333) internal successors, (1486), 3 states have internal predecessors, (1486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:36:57,911 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:36:57,911 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 494 of 536 [2022-11-21 16:36:57,911 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:36:58,256 INFO L130 PetriNetUnfolder]: 43/1281 cut-off events. [2022-11-21 16:36:58,256 INFO L131 PetriNetUnfolder]: For 14/15 co-relation queries the response was YES. [2022-11-21 16:36:58,271 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1367 conditions, 1281 events. 43/1281 cut-off events. For 14/15 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 6137 event pairs, 21 based on Foata normal form. 0/1122 useless extension candidates. Maximal degree in co-relation 1332. Up to 72 conditions per place. [2022-11-21 16:36:58,278 INFO L137 encePairwiseOnDemand]: 533/536 looper letters, 15 selfloop transitions, 2 changer transitions 0/452 dead transitions. [2022-11-21 16:36:58,279 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 452 transitions, 946 flow [2022-11-21 16:36:58,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:36:58,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:36:58,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1500 transitions. [2022-11-21 16:36:58,282 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9328358208955224 [2022-11-21 16:36:58,282 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1500 transitions. [2022-11-21 16:36:58,283 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1500 transitions. [2022-11-21 16:36:58,284 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:36:58,318 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1500 transitions. [2022-11-21 16:36:58,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 500.0) internal successors, (1500), 3 states have internal predecessors, (1500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:36:58,325 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 536.0) internal successors, (2144), 4 states have internal predecessors, (2144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:36:58,327 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 536.0) internal successors, (2144), 4 states have internal predecessors, (2144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:36:58,327 INFO L175 Difference]: Start difference. First operand has 453 places, 453 transitions, 914 flow. Second operand 3 states and 1500 transitions. [2022-11-21 16:36:58,327 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 452 transitions, 946 flow [2022-11-21 16:36:58,330 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 453 places, 452 transitions, 945 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:36:58,335 INFO L231 Difference]: Finished difference. Result has 453 places, 452 transitions, 915 flow [2022-11-21 16:36:58,336 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=536, PETRI_DIFFERENCE_MINUEND_FLOW=911, PETRI_DIFFERENCE_MINUEND_PLACES=451, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=452, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=450, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=915, PETRI_PLACES=453, PETRI_TRANSITIONS=452} [2022-11-21 16:36:58,336 INFO L288 CegarLoopForPetriNet]: 470 programPoint places, -17 predicate places. [2022-11-21 16:36:58,337 INFO L495 AbstractCegarLoop]: Abstraction has has 453 places, 452 transitions, 915 flow [2022-11-21 16:36:58,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 495.3333333333333) internal successors, (1486), 3 states have internal predecessors, (1486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:36:58,338 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:36:58,338 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 16:36:58,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 16:36:58,338 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-21 16:36:58,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:36:58,339 INFO L85 PathProgramCache]: Analyzing trace with hash -111013048, now seen corresponding path program 1 times [2022-11-21 16:36:58,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:36:58,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550551335] [2022-11-21 16:36:58,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:36:58,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:36:58,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:59,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:36:59,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:36:59,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550551335] [2022-11-21 16:36:59,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550551335] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:36:59,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:36:59,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:36:59,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896461269] [2022-11-21 16:36:59,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:36:59,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:36:59,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:36:59,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:36:59,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:36:59,020 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 536 [2022-11-21 16:36:59,023 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 453 places, 452 transitions, 915 flow. Second operand has 6 states, 6 states have (on average 402.8333333333333) internal successors, (2417), 6 states have internal predecessors, (2417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:36:59,023 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:36:59,023 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 536 [2022-11-21 16:36:59,023 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:37:15,174 INFO L130 PetriNetUnfolder]: 27435/78367 cut-off events. [2022-11-21 16:37:15,175 INFO L131 PetriNetUnfolder]: For 380/3494 co-relation queries the response was YES. [2022-11-21 16:37:15,633 INFO L83 FinitePrefix]: Finished finitePrefix Result has 115934 conditions, 78367 events. 27435/78367 cut-off events. For 380/3494 co-relation queries the response was YES. Maximal size of possible extension queue 1177. Compared 935388 event pairs, 24192 based on Foata normal form. 0/65913 useless extension candidates. Maximal degree in co-relation 115900. Up to 37490 conditions per place. [2022-11-21 16:37:16,179 INFO L137 encePairwiseOnDemand]: 518/536 looper letters, 93 selfloop transitions, 15 changer transitions 0/449 dead transitions. [2022-11-21 16:37:16,180 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 455 places, 449 transitions, 1125 flow [2022-11-21 16:37:16,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:37:16,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 16:37:16,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2517 transitions. [2022-11-21 16:37:16,186 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7826492537313433 [2022-11-21 16:37:16,186 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2517 transitions. [2022-11-21 16:37:16,186 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2517 transitions. [2022-11-21 16:37:16,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:37:16,188 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2517 transitions. [2022-11-21 16:37:16,193 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 419.5) internal successors, (2517), 6 states have internal predecessors, (2517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:16,199 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 536.0) internal successors, (3752), 7 states have internal predecessors, (3752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:16,202 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 536.0) internal successors, (3752), 7 states have internal predecessors, (3752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:16,202 INFO L175 Difference]: Start difference. First operand has 453 places, 452 transitions, 915 flow. Second operand 6 states and 2517 transitions. [2022-11-21 16:37:16,202 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 455 places, 449 transitions, 1125 flow [2022-11-21 16:37:16,391 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 453 places, 449 transitions, 1121 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:37:16,397 INFO L231 Difference]: Finished difference. Result has 453 places, 449 transitions, 935 flow [2022-11-21 16:37:16,397 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=536, PETRI_DIFFERENCE_MINUEND_FLOW=905, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=449, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=434, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=935, PETRI_PLACES=453, PETRI_TRANSITIONS=449} [2022-11-21 16:37:16,398 INFO L288 CegarLoopForPetriNet]: 470 programPoint places, -17 predicate places. [2022-11-21 16:37:16,398 INFO L495 AbstractCegarLoop]: Abstraction has has 453 places, 449 transitions, 935 flow [2022-11-21 16:37:16,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 402.8333333333333) internal successors, (2417), 6 states have internal predecessors, (2417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:16,400 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:37:16,400 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] [2022-11-21 16:37:16,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 16:37:16,401 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-21 16:37:16,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:16,401 INFO L85 PathProgramCache]: Analyzing trace with hash 212005435, now seen corresponding path program 1 times [2022-11-21 16:37:16,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:16,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37924391] [2022-11-21 16:37:16,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:16,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:16,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:16,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:37:16,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:16,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37924391] [2022-11-21 16:37:16,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37924391] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:16,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:16,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:37:16,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230847774] [2022-11-21 16:37:16,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:16,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:37:16,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:16,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:37:16,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:37:16,509 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 494 out of 536 [2022-11-21 16:37:16,511 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 453 places, 449 transitions, 935 flow. Second operand has 3 states, 3 states have (on average 495.3333333333333) internal successors, (1486), 3 states have internal predecessors, (1486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:16,511 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:37:16,512 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 494 of 536 [2022-11-21 16:37:16,512 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:37:16,893 INFO L130 PetriNetUnfolder]: 66/1628 cut-off events. [2022-11-21 16:37:16,894 INFO L131 PetriNetUnfolder]: For 26/29 co-relation queries the response was YES. [2022-11-21 16:37:16,910 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1759 conditions, 1628 events. 66/1628 cut-off events. For 26/29 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 8780 event pairs, 39 based on Foata normal form. 0/1423 useless extension candidates. Maximal degree in co-relation 1724. Up to 105 conditions per place. [2022-11-21 16:37:16,919 INFO L137 encePairwiseOnDemand]: 533/536 looper letters, 15 selfloop transitions, 2 changer transitions 0/448 dead transitions. [2022-11-21 16:37:16,919 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 448 transitions, 967 flow [2022-11-21 16:37:16,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:37:16,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:37:16,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1500 transitions. [2022-11-21 16:37:16,923 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9328358208955224 [2022-11-21 16:37:16,924 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1500 transitions. [2022-11-21 16:37:16,924 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1500 transitions. [2022-11-21 16:37:16,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:37:16,925 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1500 transitions. [2022-11-21 16:37:16,929 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 500.0) internal successors, (1500), 3 states have internal predecessors, (1500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:16,933 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 536.0) internal successors, (2144), 4 states have internal predecessors, (2144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:16,934 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 536.0) internal successors, (2144), 4 states have internal predecessors, (2144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:16,935 INFO L175 Difference]: Start difference. First operand has 453 places, 449 transitions, 935 flow. Second operand 3 states and 1500 transitions. [2022-11-21 16:37:16,935 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 448 transitions, 967 flow [2022-11-21 16:37:16,938 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 449 places, 448 transitions, 937 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-21 16:37:16,944 INFO L231 Difference]: Finished difference. Result has 449 places, 448 transitions, 907 flow [2022-11-21 16:37:16,945 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=536, PETRI_DIFFERENCE_MINUEND_FLOW=903, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=448, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=446, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=907, PETRI_PLACES=449, PETRI_TRANSITIONS=448} [2022-11-21 16:37:16,947 INFO L288 CegarLoopForPetriNet]: 470 programPoint places, -21 predicate places. [2022-11-21 16:37:16,947 INFO L495 AbstractCegarLoop]: Abstraction has has 449 places, 448 transitions, 907 flow [2022-11-21 16:37:16,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 495.3333333333333) internal successors, (1486), 3 states have internal predecessors, (1486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:16,949 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:37:16,949 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] [2022-11-21 16:37:16,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 16:37:16,949 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-21 16:37:16,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:16,950 INFO L85 PathProgramCache]: Analyzing trace with hash 741170182, now seen corresponding path program 1 times [2022-11-21 16:37:16,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:16,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833171396] [2022-11-21 16:37:16,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:16,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:16,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:17,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:37:17,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:17,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833171396] [2022-11-21 16:37:17,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833171396] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:17,042 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:17,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:37:17,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066818931] [2022-11-21 16:37:17,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:17,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:37:17,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:17,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:37:17,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:37:17,048 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 494 out of 536 [2022-11-21 16:37:17,051 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 448 transitions, 907 flow. Second operand has 3 states, 3 states have (on average 495.3333333333333) internal successors, (1486), 3 states have internal predecessors, (1486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:17,052 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:37:17,052 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 494 of 536 [2022-11-21 16:37:17,052 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:37:17,208 INFO L130 PetriNetUnfolder]: 21/688 cut-off events. [2022-11-21 16:37:17,208 INFO L131 PetriNetUnfolder]: For 16/19 co-relation queries the response was YES. [2022-11-21 16:37:17,213 INFO L83 FinitePrefix]: Finished finitePrefix Result has 741 conditions, 688 events. 21/688 cut-off events. For 16/19 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1840 event pairs, 12 based on Foata normal form. 0/615 useless extension candidates. Maximal degree in co-relation 706. Up to 43 conditions per place. [2022-11-21 16:37:17,216 INFO L137 encePairwiseOnDemand]: 533/536 looper letters, 15 selfloop transitions, 2 changer transitions 0/447 dead transitions. [2022-11-21 16:37:17,217 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 450 places, 447 transitions, 939 flow [2022-11-21 16:37:17,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:37:17,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:37:17,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1500 transitions. [2022-11-21 16:37:17,221 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9328358208955224 [2022-11-21 16:37:17,221 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1500 transitions. [2022-11-21 16:37:17,221 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1500 transitions. [2022-11-21 16:37:17,222 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:37:17,222 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1500 transitions. [2022-11-21 16:37:17,226 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 500.0) internal successors, (1500), 3 states have internal predecessors, (1500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:17,229 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 536.0) internal successors, (2144), 4 states have internal predecessors, (2144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:17,230 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 536.0) internal successors, (2144), 4 states have internal predecessors, (2144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:17,231 INFO L175 Difference]: Start difference. First operand has 449 places, 448 transitions, 907 flow. Second operand 3 states and 1500 transitions. [2022-11-21 16:37:17,231 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 450 places, 447 transitions, 939 flow [2022-11-21 16:37:17,234 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 447 transitions, 935 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:37:17,240 INFO L231 Difference]: Finished difference. Result has 448 places, 447 transitions, 905 flow [2022-11-21 16:37:17,241 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=536, PETRI_DIFFERENCE_MINUEND_FLOW=901, PETRI_DIFFERENCE_MINUEND_PLACES=446, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=447, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=445, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=905, PETRI_PLACES=448, PETRI_TRANSITIONS=447} [2022-11-21 16:37:17,245 INFO L288 CegarLoopForPetriNet]: 470 programPoint places, -22 predicate places. [2022-11-21 16:37:17,245 INFO L495 AbstractCegarLoop]: Abstraction has has 448 places, 447 transitions, 905 flow [2022-11-21 16:37:17,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 495.3333333333333) internal successors, (1486), 3 states have internal predecessors, (1486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:17,246 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:37:17,246 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:37:17,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 16:37:17,247 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-21 16:37:17,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:17,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1313607301, now seen corresponding path program 1 times [2022-11-21 16:37:17,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:17,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72667121] [2022-11-21 16:37:17,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:17,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:17,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:17,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:37:17,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:17,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72667121] [2022-11-21 16:37:17,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72667121] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:17,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:17,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:37:17,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833031066] [2022-11-21 16:37:17,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:17,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:37:17,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:17,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:37:17,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:37:17,354 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 497 out of 536 [2022-11-21 16:37:17,356 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 448 places, 447 transitions, 905 flow. Second operand has 3 states, 3 states have (on average 498.0) internal successors, (1494), 3 states have internal predecessors, (1494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:17,356 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:37:17,356 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 497 of 536 [2022-11-21 16:37:17,356 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:37:17,485 INFO L130 PetriNetUnfolder]: 19/564 cut-off events. [2022-11-21 16:37:17,485 INFO L131 PetriNetUnfolder]: For 4/6 co-relation queries the response was YES. [2022-11-21 16:37:17,491 INFO L83 FinitePrefix]: Finished finitePrefix Result has 619 conditions, 564 events. 19/564 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1569 event pairs, 6 based on Foata normal form. 1/518 useless extension candidates. Maximal degree in co-relation 585. Up to 23 conditions per place. [2022-11-21 16:37:17,494 INFO L137 encePairwiseOnDemand]: 531/536 looper letters, 12 selfloop transitions, 3 changer transitions 0/447 dead transitions. [2022-11-21 16:37:17,494 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 448 places, 447 transitions, 937 flow [2022-11-21 16:37:17,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:37:17,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:37:17,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1508 transitions. [2022-11-21 16:37:17,498 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9378109452736318 [2022-11-21 16:37:17,498 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1508 transitions. [2022-11-21 16:37:17,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1508 transitions. [2022-11-21 16:37:17,499 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:37:17,500 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1508 transitions. [2022-11-21 16:37:17,503 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 502.6666666666667) internal successors, (1508), 3 states have internal predecessors, (1508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:17,507 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 536.0) internal successors, (2144), 4 states have internal predecessors, (2144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:17,508 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 536.0) internal successors, (2144), 4 states have internal predecessors, (2144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:17,508 INFO L175 Difference]: Start difference. First operand has 448 places, 447 transitions, 905 flow. Second operand 3 states and 1508 transitions. [2022-11-21 16:37:17,508 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 448 places, 447 transitions, 937 flow [2022-11-21 16:37:17,511 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 447 transitions, 933 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:37:17,517 INFO L231 Difference]: Finished difference. Result has 446 places, 445 transitions, 903 flow [2022-11-21 16:37:17,518 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=536, PETRI_DIFFERENCE_MINUEND_FLOW=897, PETRI_DIFFERENCE_MINUEND_PLACES=444, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=442, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=903, PETRI_PLACES=446, PETRI_TRANSITIONS=445} [2022-11-21 16:37:17,518 INFO L288 CegarLoopForPetriNet]: 470 programPoint places, -24 predicate places. [2022-11-21 16:37:17,518 INFO L495 AbstractCegarLoop]: Abstraction has has 446 places, 445 transitions, 903 flow [2022-11-21 16:37:17,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 498.0) internal successors, (1494), 3 states have internal predecessors, (1494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:17,520 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:37:17,520 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:37:17,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 16:37:17,521 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-21 16:37:17,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:17,521 INFO L85 PathProgramCache]: Analyzing trace with hash 343808445, now seen corresponding path program 1 times [2022-11-21 16:37:17,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:17,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465179219] [2022-11-21 16:37:17,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:17,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:17,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:17,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:37:17,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:17,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465179219] [2022-11-21 16:37:17,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465179219] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:17,582 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:17,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:37:17,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690718628] [2022-11-21 16:37:17,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:17,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:37:17,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:17,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:37:17,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:37:17,586 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 497 out of 536 [2022-11-21 16:37:17,588 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 446 places, 445 transitions, 903 flow. Second operand has 3 states, 3 states have (on average 498.6666666666667) internal successors, (1496), 3 states have internal predecessors, (1496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:17,588 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:37:17,588 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 497 of 536 [2022-11-21 16:37:17,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:37:17,846 INFO L130 PetriNetUnfolder]: 31/1132 cut-off events. [2022-11-21 16:37:17,847 INFO L131 PetriNetUnfolder]: For 13/15 co-relation queries the response was YES. [2022-11-21 16:37:17,859 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1208 conditions, 1132 events. 31/1132 cut-off events. For 13/15 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 4915 event pairs, 4 based on Foata normal form. 0/1016 useless extension candidates. Maximal degree in co-relation 1174. Up to 46 conditions per place. [2022-11-21 16:37:17,864 INFO L137 encePairwiseOnDemand]: 532/536 looper letters, 17 selfloop transitions, 2 changer transitions 0/450 dead transitions. [2022-11-21 16:37:17,864 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 446 places, 450 transitions, 956 flow [2022-11-21 16:37:17,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:37:17,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:37:17,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1512 transitions. [2022-11-21 16:37:17,868 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9402985074626866 [2022-11-21 16:37:17,868 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1512 transitions. [2022-11-21 16:37:17,868 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1512 transitions. [2022-11-21 16:37:17,869 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:37:17,870 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1512 transitions. [2022-11-21 16:37:17,873 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 504.0) internal successors, (1512), 3 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:17,875 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 536.0) internal successors, (2144), 4 states have internal predecessors, (2144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:17,876 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 536.0) internal successors, (2144), 4 states have internal predecessors, (2144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:17,876 INFO L175 Difference]: Start difference. First operand has 446 places, 445 transitions, 903 flow. Second operand 3 states and 1512 transitions. [2022-11-21 16:37:17,877 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 446 places, 450 transitions, 956 flow [2022-11-21 16:37:17,880 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 444 places, 450 transitions, 950 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:37:17,885 INFO L231 Difference]: Finished difference. Result has 445 places, 445 transitions, 907 flow [2022-11-21 16:37:17,886 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=536, PETRI_DIFFERENCE_MINUEND_FLOW=893, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=443, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=441, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=907, PETRI_PLACES=445, PETRI_TRANSITIONS=445} [2022-11-21 16:37:17,888 INFO L288 CegarLoopForPetriNet]: 470 programPoint places, -25 predicate places. [2022-11-21 16:37:17,888 INFO L495 AbstractCegarLoop]: Abstraction has has 445 places, 445 transitions, 907 flow [2022-11-21 16:37:17,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 498.6666666666667) internal successors, (1496), 3 states have internal predecessors, (1496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:17,889 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:37:17,889 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 16:37:17,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 16:37:17,890 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-21 16:37:17,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:17,890 INFO L85 PathProgramCache]: Analyzing trace with hash 801371320, now seen corresponding path program 1 times [2022-11-21 16:37:17,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:17,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400104361] [2022-11-21 16:37:17,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:17,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:17,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:17,959 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 16:37:17,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:17,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400104361] [2022-11-21 16:37:17,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400104361] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:17,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:17,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:37:17,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235740595] [2022-11-21 16:37:17,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:17,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:37:17,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:17,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:37:17,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:37:17,964 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 497 out of 536 [2022-11-21 16:37:17,965 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 445 places, 445 transitions, 907 flow. Second operand has 3 states, 3 states have (on average 498.3333333333333) internal successors, (1495), 3 states have internal predecessors, (1495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:17,965 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:37:17,966 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 497 of 536 [2022-11-21 16:37:17,966 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:37:18,262 INFO L130 PetriNetUnfolder]: 31/782 cut-off events. [2022-11-21 16:37:18,262 INFO L131 PetriNetUnfolder]: For 20/55 co-relation queries the response was YES. [2022-11-21 16:37:18,274 INFO L83 FinitePrefix]: Finished finitePrefix Result has 857 conditions, 782 events. 31/782 cut-off events. For 20/55 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 3016 event pairs, 9 based on Foata normal form. 6/712 useless extension candidates. Maximal degree in co-relation 823. Up to 35 conditions per place. [2022-11-21 16:37:18,277 INFO L137 encePairwiseOnDemand]: 531/536 looper letters, 11 selfloop transitions, 2 changer transitions 4/445 dead transitions. [2022-11-21 16:37:18,278 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 445 places, 445 transitions, 937 flow [2022-11-21 16:37:18,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:37:18,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:37:18,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1507 transitions. [2022-11-21 16:37:18,281 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9371890547263682 [2022-11-21 16:37:18,281 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1507 transitions. [2022-11-21 16:37:18,281 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1507 transitions. [2022-11-21 16:37:18,282 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:37:18,282 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1507 transitions. [2022-11-21 16:37:18,285 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 502.3333333333333) internal successors, (1507), 3 states have internal predecessors, (1507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:18,288 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 536.0) internal successors, (2144), 4 states have internal predecessors, (2144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:18,289 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 536.0) internal successors, (2144), 4 states have internal predecessors, (2144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:18,289 INFO L175 Difference]: Start difference. First operand has 445 places, 445 transitions, 907 flow. Second operand 3 states and 1507 transitions. [2022-11-21 16:37:18,289 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 445 places, 445 transitions, 937 flow [2022-11-21 16:37:18,292 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 445 places, 445 transitions, 937 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-21 16:37:18,296 INFO L231 Difference]: Finished difference. Result has 445 places, 439 transitions, 899 flow [2022-11-21 16:37:18,297 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=536, PETRI_DIFFERENCE_MINUEND_FLOW=903, PETRI_DIFFERENCE_MINUEND_PLACES=443, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=443, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=441, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=899, PETRI_PLACES=445, PETRI_TRANSITIONS=439} [2022-11-21 16:37:18,298 INFO L288 CegarLoopForPetriNet]: 470 programPoint places, -25 predicate places. [2022-11-21 16:37:18,298 INFO L495 AbstractCegarLoop]: Abstraction has has 445 places, 439 transitions, 899 flow [2022-11-21 16:37:18,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 498.3333333333333) internal successors, (1495), 3 states have internal predecessors, (1495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:18,299 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:37:18,299 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] [2022-11-21 16:37:18,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 16:37:18,299 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-21 16:37:18,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:18,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1318734106, now seen corresponding path program 1 times [2022-11-21 16:37:18,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:18,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769665353] [2022-11-21 16:37:18,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:18,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:18,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:18,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:37:18,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:18,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769665353] [2022-11-21 16:37:18,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769665353] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:18,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:18,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:37:18,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152577598] [2022-11-21 16:37:18,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:18,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:37:18,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:18,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:37:18,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:37:18,360 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 497 out of 536 [2022-11-21 16:37:18,361 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 445 places, 439 transitions, 899 flow. Second operand has 3 states, 3 states have (on average 499.0) internal successors, (1497), 3 states have internal predecessors, (1497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:18,362 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:37:18,362 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 497 of 536 [2022-11-21 16:37:18,362 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:37:18,756 INFO L130 PetriNetUnfolder]: 73/1901 cut-off events. [2022-11-21 16:37:18,756 INFO L131 PetriNetUnfolder]: For 31/37 co-relation queries the response was YES. [2022-11-21 16:37:18,776 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2054 conditions, 1901 events. 73/1901 cut-off events. For 31/37 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 11644 event pairs, 6 based on Foata normal form. 2/1701 useless extension candidates. Maximal degree in co-relation 2019. Up to 93 conditions per place. [2022-11-21 16:37:18,783 INFO L137 encePairwiseOnDemand]: 532/536 looper letters, 16 selfloop transitions, 2 changer transitions 0/443 dead transitions. [2022-11-21 16:37:18,784 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 441 places, 443 transitions, 947 flow [2022-11-21 16:37:18,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:37:18,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:37:18,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1511 transitions. [2022-11-21 16:37:18,787 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9396766169154229 [2022-11-21 16:37:18,787 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1511 transitions. [2022-11-21 16:37:18,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1511 transitions. [2022-11-21 16:37:18,789 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:37:18,789 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1511 transitions. [2022-11-21 16:37:18,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 503.6666666666667) internal successors, (1511), 3 states have internal predecessors, (1511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:18,794 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 536.0) internal successors, (2144), 4 states have internal predecessors, (2144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:18,795 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 536.0) internal successors, (2144), 4 states have internal predecessors, (2144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:18,795 INFO L175 Difference]: Start difference. First operand has 445 places, 439 transitions, 899 flow. Second operand 3 states and 1511 transitions. [2022-11-21 16:37:18,795 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 441 places, 443 transitions, 947 flow [2022-11-21 16:37:18,799 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 439 places, 443 transitions, 943 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:37:18,803 INFO L231 Difference]: Finished difference. Result has 440 places, 439 transitions, 905 flow [2022-11-21 16:37:18,804 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=536, PETRI_DIFFERENCE_MINUEND_FLOW=891, PETRI_DIFFERENCE_MINUEND_PLACES=437, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=437, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=435, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=905, PETRI_PLACES=440, PETRI_TRANSITIONS=439} [2022-11-21 16:37:18,805 INFO L288 CegarLoopForPetriNet]: 470 programPoint places, -30 predicate places. [2022-11-21 16:37:18,805 INFO L495 AbstractCegarLoop]: Abstraction has has 440 places, 439 transitions, 905 flow [2022-11-21 16:37:18,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 499.0) internal successors, (1497), 3 states have internal predecessors, (1497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:18,806 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:37:18,806 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] [2022-11-21 16:37:18,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-21 16:37:18,806 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-21 16:37:18,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:18,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1469836833, now seen corresponding path program 1 times [2022-11-21 16:37:18,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:18,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102664447] [2022-11-21 16:37:18,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:18,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:18,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:19,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:37:19,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:19,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102664447] [2022-11-21 16:37:19,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102664447] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:19,065 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:19,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 16:37:19,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889832151] [2022-11-21 16:37:19,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:19,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 16:37:19,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:19,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 16:37:19,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-21 16:37:19,072 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 434 out of 536 [2022-11-21 16:37:19,075 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 440 places, 439 transitions, 905 flow. Second operand has 7 states, 7 states have (on average 439.0) internal successors, (3073), 7 states have internal predecessors, (3073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:19,076 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:37:19,076 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 434 of 536 [2022-11-21 16:37:19,076 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:37:21,592 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1322] L66-2-->L66-8: Formula: (not (< |v_thread3Thread1of1ForFork1_~i~2#1_3| v_~N~0_5)) InVars {thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_3|, ~N~0=v_~N~0_5} OutVars{thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_3|, ~N~0=v_~N~0_5} AuxVars[] AssignedVars[][461], [69#L51true, 526#(= |#race~N~0| 0), 553#(= |#race~A~0| 0), 428#L85-4true, Black: 560#true, 573#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 210#L66-8true, Black: 551#true, 562#(= |#race~B~0| 0), 313#L59true]) [2022-11-21 16:37:21,592 INFO L383 tUnfolder$Statistics]: this new event has 339 ancestors and is cut-off event [2022-11-21 16:37:21,592 INFO L386 tUnfolder$Statistics]: existing Event has 288 ancestors and is cut-off event [2022-11-21 16:37:21,593 INFO L386 tUnfolder$Statistics]: existing Event has 339 ancestors and is cut-off event [2022-11-21 16:37:21,593 INFO L386 tUnfolder$Statistics]: existing Event has 294 ancestors and is cut-off event [2022-11-21 16:37:21,593 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1323] L66-2-->L67: Formula: (< |v_thread3Thread1of1ForFork1_~i~2#1_5| v_~N~0_6) InVars {thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_5|, ~N~0=v_~N~0_6} OutVars{thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_5|, ~N~0=v_~N~0_6} AuxVars[] AssignedVars[][462], [69#L51true, 526#(= |#race~N~0| 0), 553#(= |#race~A~0| 0), 428#L85-4true, Black: 560#true, 573#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 135#L67true, Black: 551#true, 562#(= |#race~B~0| 0), 313#L59true]) [2022-11-21 16:37:21,593 INFO L383 tUnfolder$Statistics]: this new event has 339 ancestors and is cut-off event [2022-11-21 16:37:21,593 INFO L386 tUnfolder$Statistics]: existing Event has 288 ancestors and is cut-off event [2022-11-21 16:37:21,594 INFO L386 tUnfolder$Statistics]: existing Event has 339 ancestors and is cut-off event [2022-11-21 16:37:21,594 INFO L386 tUnfolder$Statistics]: existing Event has 294 ancestors and is cut-off event [2022-11-21 16:37:21,594 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1322] L66-2-->L66-8: Formula: (not (< |v_thread3Thread1of1ForFork1_~i~2#1_3| v_~N~0_5)) InVars {thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_3|, ~N~0=v_~N~0_5} OutVars{thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_3|, ~N~0=v_~N~0_5} AuxVars[] AssignedVars[][461], [69#L51true, 526#(= |#race~N~0| 0), 493#L58-8true, 553#(= |#race~A~0| 0), 428#L85-4true, Black: 560#true, 573#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 210#L66-8true, Black: 551#true, 562#(= |#race~B~0| 0)]) [2022-11-21 16:37:21,594 INFO L383 tUnfolder$Statistics]: this new event has 339 ancestors and is cut-off event [2022-11-21 16:37:21,595 INFO L386 tUnfolder$Statistics]: existing Event has 288 ancestors and is cut-off event [2022-11-21 16:37:21,595 INFO L386 tUnfolder$Statistics]: existing Event has 339 ancestors and is cut-off event [2022-11-21 16:37:21,595 INFO L386 tUnfolder$Statistics]: existing Event has 294 ancestors and is cut-off event [2022-11-21 16:37:21,595 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1323] L66-2-->L67: Formula: (< |v_thread3Thread1of1ForFork1_~i~2#1_5| v_~N~0_6) InVars {thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_5|, ~N~0=v_~N~0_6} OutVars{thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_5|, ~N~0=v_~N~0_6} AuxVars[] AssignedVars[][462], [69#L51true, 526#(= |#race~N~0| 0), 493#L58-8true, 553#(= |#race~A~0| 0), 428#L85-4true, Black: 560#true, 573#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 135#L67true, Black: 551#true, 562#(= |#race~B~0| 0)]) [2022-11-21 16:37:21,596 INFO L383 tUnfolder$Statistics]: this new event has 339 ancestors and is cut-off event [2022-11-21 16:37:21,596 INFO L386 tUnfolder$Statistics]: existing Event has 294 ancestors and is cut-off event [2022-11-21 16:37:21,596 INFO L386 tUnfolder$Statistics]: existing Event has 288 ancestors and is cut-off event [2022-11-21 16:37:21,596 INFO L386 tUnfolder$Statistics]: existing Event has 339 ancestors and is cut-off event [2022-11-21 16:37:21,598 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1322] L66-2-->L66-8: Formula: (not (< |v_thread3Thread1of1ForFork1_~i~2#1_3| v_~N~0_5)) InVars {thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_3|, ~N~0=v_~N~0_5} OutVars{thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_3|, ~N~0=v_~N~0_5} AuxVars[] AssignedVars[][461], [526#(= |#race~N~0| 0), 553#(= |#race~A~0| 0), 428#L85-4true, Black: 560#true, 573#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 210#L66-8true, 133#L50-8true, 562#(= |#race~B~0| 0), Black: 551#true, 313#L59true]) [2022-11-21 16:37:21,598 INFO L383 tUnfolder$Statistics]: this new event has 339 ancestors and is cut-off event [2022-11-21 16:37:21,598 INFO L386 tUnfolder$Statistics]: existing Event has 339 ancestors and is cut-off event [2022-11-21 16:37:21,598 INFO L386 tUnfolder$Statistics]: existing Event has 294 ancestors and is cut-off event [2022-11-21 16:37:21,599 INFO L386 tUnfolder$Statistics]: existing Event has 288 ancestors and is cut-off event [2022-11-21 16:37:21,599 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1323] L66-2-->L67: Formula: (< |v_thread3Thread1of1ForFork1_~i~2#1_5| v_~N~0_6) InVars {thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_5|, ~N~0=v_~N~0_6} OutVars{thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_5|, ~N~0=v_~N~0_6} AuxVars[] AssignedVars[][462], [526#(= |#race~N~0| 0), 553#(= |#race~A~0| 0), 428#L85-4true, Black: 560#true, 573#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 135#L67true, 133#L50-8true, 562#(= |#race~B~0| 0), Black: 551#true, 313#L59true]) [2022-11-21 16:37:21,599 INFO L383 tUnfolder$Statistics]: this new event has 339 ancestors and is cut-off event [2022-11-21 16:37:21,599 INFO L386 tUnfolder$Statistics]: existing Event has 339 ancestors and is cut-off event [2022-11-21 16:37:21,599 INFO L386 tUnfolder$Statistics]: existing Event has 294 ancestors and is cut-off event [2022-11-21 16:37:21,600 INFO L386 tUnfolder$Statistics]: existing Event has 288 ancestors and is cut-off event [2022-11-21 16:37:21,600 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1322] L66-2-->L66-8: Formula: (not (< |v_thread3Thread1of1ForFork1_~i~2#1_3| v_~N~0_5)) InVars {thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_3|, ~N~0=v_~N~0_5} OutVars{thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_3|, ~N~0=v_~N~0_5} AuxVars[] AssignedVars[][461], [526#(= |#race~N~0| 0), 493#L58-8true, 553#(= |#race~A~0| 0), 428#L85-4true, Black: 560#true, 573#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 210#L66-8true, 133#L50-8true, 562#(= |#race~B~0| 0), Black: 551#true]) [2022-11-21 16:37:21,600 INFO L383 tUnfolder$Statistics]: this new event has 339 ancestors and is cut-off event [2022-11-21 16:37:21,600 INFO L386 tUnfolder$Statistics]: existing Event has 288 ancestors and is cut-off event [2022-11-21 16:37:21,601 INFO L386 tUnfolder$Statistics]: existing Event has 339 ancestors and is cut-off event [2022-11-21 16:37:21,601 INFO L386 tUnfolder$Statistics]: existing Event has 294 ancestors and is cut-off event [2022-11-21 16:37:21,601 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1323] L66-2-->L67: Formula: (< |v_thread3Thread1of1ForFork1_~i~2#1_5| v_~N~0_6) InVars {thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_5|, ~N~0=v_~N~0_6} OutVars{thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_5|, ~N~0=v_~N~0_6} AuxVars[] AssignedVars[][462], [526#(= |#race~N~0| 0), 493#L58-8true, 553#(= |#race~A~0| 0), 428#L85-4true, Black: 560#true, 573#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 135#L67true, 133#L50-8true, 562#(= |#race~B~0| 0), Black: 551#true]) [2022-11-21 16:37:21,601 INFO L383 tUnfolder$Statistics]: this new event has 339 ancestors and is cut-off event [2022-11-21 16:37:21,601 INFO L386 tUnfolder$Statistics]: existing Event has 294 ancestors and is cut-off event [2022-11-21 16:37:21,602 INFO L386 tUnfolder$Statistics]: existing Event has 288 ancestors and is cut-off event [2022-11-21 16:37:21,602 INFO L386 tUnfolder$Statistics]: existing Event has 339 ancestors and is cut-off event [2022-11-21 16:37:21,654 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1322] L66-2-->L66-8: Formula: (not (< |v_thread3Thread1of1ForFork1_~i~2#1_3| v_~N~0_5)) InVars {thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_3|, ~N~0=v_~N~0_5} OutVars{thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_3|, ~N~0=v_~N~0_5} AuxVars[] AssignedVars[][461], [69#L51true, 526#(= |#race~N~0| 0), 553#(= |#race~A~0| 0), Black: 560#true, 428#L85-4true, 573#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 210#L66-8true, Black: 551#true, 562#(= |#race~B~0| 0), 313#L59true]) [2022-11-21 16:37:21,654 INFO L383 tUnfolder$Statistics]: this new event has 384 ancestors and is cut-off event [2022-11-21 16:37:21,655 INFO L386 tUnfolder$Statistics]: existing Event has 288 ancestors and is cut-off event [2022-11-21 16:37:21,655 INFO L386 tUnfolder$Statistics]: existing Event has 339 ancestors and is cut-off event [2022-11-21 16:37:21,655 INFO L386 tUnfolder$Statistics]: existing Event has 339 ancestors and is cut-off event [2022-11-21 16:37:21,655 INFO L386 tUnfolder$Statistics]: existing Event has 294 ancestors and is cut-off event [2022-11-21 16:37:21,655 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1323] L66-2-->L67: Formula: (< |v_thread3Thread1of1ForFork1_~i~2#1_5| v_~N~0_6) InVars {thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_5|, ~N~0=v_~N~0_6} OutVars{thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_5|, ~N~0=v_~N~0_6} AuxVars[] AssignedVars[][462], [69#L51true, 526#(= |#race~N~0| 0), 553#(= |#race~A~0| 0), Black: 560#true, 428#L85-4true, 573#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 135#L67true, Black: 551#true, 562#(= |#race~B~0| 0), 313#L59true]) [2022-11-21 16:37:21,656 INFO L383 tUnfolder$Statistics]: this new event has 384 ancestors and is cut-off event [2022-11-21 16:37:21,656 INFO L386 tUnfolder$Statistics]: existing Event has 288 ancestors and is cut-off event [2022-11-21 16:37:21,656 INFO L386 tUnfolder$Statistics]: existing Event has 339 ancestors and is cut-off event [2022-11-21 16:37:21,656 INFO L386 tUnfolder$Statistics]: existing Event has 339 ancestors and is cut-off event [2022-11-21 16:37:21,656 INFO L386 tUnfolder$Statistics]: existing Event has 294 ancestors and is cut-off event [2022-11-21 16:37:21,657 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1322] L66-2-->L66-8: Formula: (not (< |v_thread3Thread1of1ForFork1_~i~2#1_3| v_~N~0_5)) InVars {thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_3|, ~N~0=v_~N~0_5} OutVars{thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_3|, ~N~0=v_~N~0_5} AuxVars[] AssignedVars[][461], [526#(= |#race~N~0| 0), 553#(= |#race~A~0| 0), Black: 560#true, 428#L85-4true, 573#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 210#L66-8true, 133#L50-8true, Black: 551#true, 562#(= |#race~B~0| 0), 313#L59true]) [2022-11-21 16:37:21,657 INFO L383 tUnfolder$Statistics]: this new event has 384 ancestors and is cut-off event [2022-11-21 16:37:21,657 INFO L386 tUnfolder$Statistics]: existing Event has 339 ancestors and is cut-off event [2022-11-21 16:37:21,658 INFO L386 tUnfolder$Statistics]: existing Event has 294 ancestors and is cut-off event [2022-11-21 16:37:21,658 INFO L386 tUnfolder$Statistics]: existing Event has 288 ancestors and is cut-off event [2022-11-21 16:37:21,658 INFO L386 tUnfolder$Statistics]: existing Event has 339 ancestors and is cut-off event [2022-11-21 16:37:21,658 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1323] L66-2-->L67: Formula: (< |v_thread3Thread1of1ForFork1_~i~2#1_5| v_~N~0_6) InVars {thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_5|, ~N~0=v_~N~0_6} OutVars{thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_5|, ~N~0=v_~N~0_6} AuxVars[] AssignedVars[][462], [526#(= |#race~N~0| 0), 553#(= |#race~A~0| 0), Black: 560#true, 428#L85-4true, 573#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 135#L67true, 133#L50-8true, Black: 551#true, 562#(= |#race~B~0| 0), 313#L59true]) [2022-11-21 16:37:21,658 INFO L383 tUnfolder$Statistics]: this new event has 384 ancestors and is cut-off event [2022-11-21 16:37:21,659 INFO L386 tUnfolder$Statistics]: existing Event has 339 ancestors and is cut-off event [2022-11-21 16:37:21,659 INFO L386 tUnfolder$Statistics]: existing Event has 294 ancestors and is cut-off event [2022-11-21 16:37:21,659 INFO L386 tUnfolder$Statistics]: existing Event has 288 ancestors and is cut-off event [2022-11-21 16:37:21,659 INFO L386 tUnfolder$Statistics]: existing Event has 339 ancestors and is cut-off event [2022-11-21 16:37:21,659 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1322] L66-2-->L66-8: Formula: (not (< |v_thread3Thread1of1ForFork1_~i~2#1_3| v_~N~0_5)) InVars {thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_3|, ~N~0=v_~N~0_5} OutVars{thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_3|, ~N~0=v_~N~0_5} AuxVars[] AssignedVars[][461], [69#L51true, 526#(= |#race~N~0| 0), 493#L58-8true, 553#(= |#race~A~0| 0), Black: 560#true, 428#L85-4true, 573#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 210#L66-8true, Black: 551#true, 562#(= |#race~B~0| 0)]) [2022-11-21 16:37:21,660 INFO L383 tUnfolder$Statistics]: this new event has 384 ancestors and is cut-off event [2022-11-21 16:37:21,660 INFO L386 tUnfolder$Statistics]: existing Event has 288 ancestors and is cut-off event [2022-11-21 16:37:21,660 INFO L386 tUnfolder$Statistics]: existing Event has 339 ancestors and is cut-off event [2022-11-21 16:37:21,660 INFO L386 tUnfolder$Statistics]: existing Event has 339 ancestors and is cut-off event [2022-11-21 16:37:21,660 INFO L386 tUnfolder$Statistics]: existing Event has 294 ancestors and is cut-off event [2022-11-21 16:37:21,661 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1323] L66-2-->L67: Formula: (< |v_thread3Thread1of1ForFork1_~i~2#1_5| v_~N~0_6) InVars {thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_5|, ~N~0=v_~N~0_6} OutVars{thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_5|, ~N~0=v_~N~0_6} AuxVars[] AssignedVars[][462], [69#L51true, 526#(= |#race~N~0| 0), 493#L58-8true, 553#(= |#race~A~0| 0), Black: 560#true, 428#L85-4true, 573#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 135#L67true, Black: 551#true, 562#(= |#race~B~0| 0)]) [2022-11-21 16:37:21,661 INFO L383 tUnfolder$Statistics]: this new event has 384 ancestors and is cut-off event [2022-11-21 16:37:21,661 INFO L386 tUnfolder$Statistics]: existing Event has 294 ancestors and is cut-off event [2022-11-21 16:37:21,661 INFO L386 tUnfolder$Statistics]: existing Event has 288 ancestors and is cut-off event [2022-11-21 16:37:21,661 INFO L386 tUnfolder$Statistics]: existing Event has 339 ancestors and is cut-off event [2022-11-21 16:37:21,662 INFO L386 tUnfolder$Statistics]: existing Event has 339 ancestors and is cut-off event [2022-11-21 16:37:21,662 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1322] L66-2-->L66-8: Formula: (not (< |v_thread3Thread1of1ForFork1_~i~2#1_3| v_~N~0_5)) InVars {thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_3|, ~N~0=v_~N~0_5} OutVars{thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_3|, ~N~0=v_~N~0_5} AuxVars[] AssignedVars[][461], [526#(= |#race~N~0| 0), 493#L58-8true, 553#(= |#race~A~0| 0), Black: 560#true, 428#L85-4true, 573#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 210#L66-8true, 133#L50-8true, Black: 551#true, 562#(= |#race~B~0| 0)]) [2022-11-21 16:37:21,662 INFO L383 tUnfolder$Statistics]: this new event has 384 ancestors and is cut-off event [2022-11-21 16:37:21,662 INFO L386 tUnfolder$Statistics]: existing Event has 288 ancestors and is cut-off event [2022-11-21 16:37:21,662 INFO L386 tUnfolder$Statistics]: existing Event has 339 ancestors and is cut-off event [2022-11-21 16:37:21,662 INFO L386 tUnfolder$Statistics]: existing Event has 339 ancestors and is cut-off event [2022-11-21 16:37:21,663 INFO L386 tUnfolder$Statistics]: existing Event has 294 ancestors and is cut-off event [2022-11-21 16:37:21,663 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1323] L66-2-->L67: Formula: (< |v_thread3Thread1of1ForFork1_~i~2#1_5| v_~N~0_6) InVars {thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_5|, ~N~0=v_~N~0_6} OutVars{thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_5|, ~N~0=v_~N~0_6} AuxVars[] AssignedVars[][462], [526#(= |#race~N~0| 0), 493#L58-8true, 553#(= |#race~A~0| 0), Black: 560#true, 428#L85-4true, 573#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 135#L67true, 133#L50-8true, Black: 551#true, 562#(= |#race~B~0| 0)]) [2022-11-21 16:37:21,663 INFO L383 tUnfolder$Statistics]: this new event has 384 ancestors and is cut-off event [2022-11-21 16:37:21,663 INFO L386 tUnfolder$Statistics]: existing Event has 294 ancestors and is cut-off event [2022-11-21 16:37:21,663 INFO L386 tUnfolder$Statistics]: existing Event has 288 ancestors and is cut-off event [2022-11-21 16:37:21,664 INFO L386 tUnfolder$Statistics]: existing Event has 339 ancestors and is cut-off event [2022-11-21 16:37:21,664 INFO L386 tUnfolder$Statistics]: existing Event has 339 ancestors and is cut-off event [2022-11-21 16:37:21,668 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1322] L66-2-->L66-8: Formula: (not (< |v_thread3Thread1of1ForFork1_~i~2#1_3| v_~N~0_5)) InVars {thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_3|, ~N~0=v_~N~0_5} OutVars{thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_3|, ~N~0=v_~N~0_5} AuxVars[] AssignedVars[][461], [526#(= |#race~N~0| 0), 51#L86-7true, 553#(= |#race~A~0| 0), Black: 560#true, 573#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 210#L66-8true, Black: 551#true, 562#(= |#race~B~0| 0), 313#L59true]) [2022-11-21 16:37:21,669 INFO L383 tUnfolder$Statistics]: this new event has 395 ancestors and is cut-off event [2022-11-21 16:37:21,669 INFO L386 tUnfolder$Statistics]: existing Event has 305 ancestors and is cut-off event [2022-11-21 16:37:21,669 INFO L386 tUnfolder$Statistics]: existing Event has 350 ancestors and is cut-off event [2022-11-21 16:37:21,669 INFO L386 tUnfolder$Statistics]: existing Event has 299 ancestors and is cut-off event [2022-11-21 16:37:21,669 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1323] L66-2-->L67: Formula: (< |v_thread3Thread1of1ForFork1_~i~2#1_5| v_~N~0_6) InVars {thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_5|, ~N~0=v_~N~0_6} OutVars{thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_5|, ~N~0=v_~N~0_6} AuxVars[] AssignedVars[][462], [526#(= |#race~N~0| 0), 51#L86-7true, 553#(= |#race~A~0| 0), Black: 560#true, 573#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 135#L67true, Black: 551#true, 562#(= |#race~B~0| 0), 313#L59true]) [2022-11-21 16:37:21,670 INFO L383 tUnfolder$Statistics]: this new event has 395 ancestors and is cut-off event [2022-11-21 16:37:21,670 INFO L386 tUnfolder$Statistics]: existing Event has 305 ancestors and is cut-off event [2022-11-21 16:37:21,670 INFO L386 tUnfolder$Statistics]: existing Event has 350 ancestors and is cut-off event [2022-11-21 16:37:21,670 INFO L386 tUnfolder$Statistics]: existing Event has 299 ancestors and is cut-off event [2022-11-21 16:37:21,672 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1322] L66-2-->L66-8: Formula: (not (< |v_thread3Thread1of1ForFork1_~i~2#1_3| v_~N~0_5)) InVars {thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_3|, ~N~0=v_~N~0_5} OutVars{thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_3|, ~N~0=v_~N~0_5} AuxVars[] AssignedVars[][461], [526#(= |#race~N~0| 0), 51#L86-7true, 493#L58-8true, 553#(= |#race~A~0| 0), Black: 560#true, 573#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 210#L66-8true, Black: 551#true, 562#(= |#race~B~0| 0)]) [2022-11-21 16:37:21,672 INFO L383 tUnfolder$Statistics]: this new event has 395 ancestors and is cut-off event [2022-11-21 16:37:21,672 INFO L386 tUnfolder$Statistics]: existing Event has 305 ancestors and is cut-off event [2022-11-21 16:37:21,672 INFO L386 tUnfolder$Statistics]: existing Event has 350 ancestors and is cut-off event [2022-11-21 16:37:21,672 INFO L386 tUnfolder$Statistics]: existing Event has 299 ancestors and is cut-off event [2022-11-21 16:37:21,673 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1323] L66-2-->L67: Formula: (< |v_thread3Thread1of1ForFork1_~i~2#1_5| v_~N~0_6) InVars {thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_5|, ~N~0=v_~N~0_6} OutVars{thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_5|, ~N~0=v_~N~0_6} AuxVars[] AssignedVars[][462], [526#(= |#race~N~0| 0), 51#L86-7true, 493#L58-8true, 553#(= |#race~A~0| 0), Black: 560#true, 573#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 135#L67true, Black: 551#true, 562#(= |#race~B~0| 0)]) [2022-11-21 16:37:21,673 INFO L383 tUnfolder$Statistics]: this new event has 395 ancestors and is cut-off event [2022-11-21 16:37:21,673 INFO L386 tUnfolder$Statistics]: existing Event has 305 ancestors and is cut-off event [2022-11-21 16:37:21,673 INFO L386 tUnfolder$Statistics]: existing Event has 350 ancestors and is cut-off event [2022-11-21 16:37:21,673 INFO L386 tUnfolder$Statistics]: existing Event has 299 ancestors and is cut-off event [2022-11-21 16:37:21,707 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1322] L66-2-->L66-8: Formula: (not (< |v_thread3Thread1of1ForFork1_~i~2#1_3| v_~N~0_5)) InVars {thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_3|, ~N~0=v_~N~0_5} OutVars{thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_3|, ~N~0=v_~N~0_5} AuxVars[] AssignedVars[][461], [51#L86-7true, 526#(= |#race~N~0| 0), 493#L58-8true, 553#(= |#race~A~0| 0), Black: 560#true, 573#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 210#L66-8true, Black: 551#true, 562#(= |#race~B~0| 0)]) [2022-11-21 16:37:21,707 INFO L383 tUnfolder$Statistics]: this new event has 350 ancestors and is cut-off event [2022-11-21 16:37:21,708 INFO L386 tUnfolder$Statistics]: existing Event has 305 ancestors and is cut-off event [2022-11-21 16:37:21,708 INFO L386 tUnfolder$Statistics]: existing Event has 350 ancestors and is cut-off event [2022-11-21 16:37:21,708 INFO L386 tUnfolder$Statistics]: existing Event has 395 ancestors and is cut-off event [2022-11-21 16:37:21,708 INFO L386 tUnfolder$Statistics]: existing Event has 299 ancestors and is cut-off event [2022-11-21 16:37:21,708 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1323] L66-2-->L67: Formula: (< |v_thread3Thread1of1ForFork1_~i~2#1_5| v_~N~0_6) InVars {thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_5|, ~N~0=v_~N~0_6} OutVars{thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_5|, ~N~0=v_~N~0_6} AuxVars[] AssignedVars[][462], [51#L86-7true, 526#(= |#race~N~0| 0), 493#L58-8true, 553#(= |#race~A~0| 0), Black: 560#true, 573#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 135#L67true, Black: 551#true, 562#(= |#race~B~0| 0)]) [2022-11-21 16:37:21,708 INFO L383 tUnfolder$Statistics]: this new event has 350 ancestors and is cut-off event [2022-11-21 16:37:21,708 INFO L386 tUnfolder$Statistics]: existing Event has 305 ancestors and is cut-off event [2022-11-21 16:37:21,708 INFO L386 tUnfolder$Statistics]: existing Event has 350 ancestors and is cut-off event [2022-11-21 16:37:21,709 INFO L386 tUnfolder$Statistics]: existing Event has 395 ancestors and is cut-off event [2022-11-21 16:37:21,709 INFO L386 tUnfolder$Statistics]: existing Event has 299 ancestors and is cut-off event [2022-11-21 16:37:21,709 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1322] L66-2-->L66-8: Formula: (not (< |v_thread3Thread1of1ForFork1_~i~2#1_3| v_~N~0_5)) InVars {thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_3|, ~N~0=v_~N~0_5} OutVars{thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_3|, ~N~0=v_~N~0_5} AuxVars[] AssignedVars[][461], [526#(= |#race~N~0| 0), 553#(= |#race~A~0| 0), Black: 560#true, 573#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 210#L66-8true, Black: 551#true, 562#(= |#race~B~0| 0), 305#L87-7true]) [2022-11-21 16:37:21,709 INFO L383 tUnfolder$Statistics]: this new event has 360 ancestors and is cut-off event [2022-11-21 16:37:21,709 INFO L386 tUnfolder$Statistics]: existing Event has 309 ancestors and is cut-off event [2022-11-21 16:37:21,709 INFO L386 tUnfolder$Statistics]: existing Event has 360 ancestors and is cut-off event [2022-11-21 16:37:21,710 INFO L386 tUnfolder$Statistics]: existing Event has 315 ancestors and is cut-off event [2022-11-21 16:37:21,710 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1323] L66-2-->L67: Formula: (< |v_thread3Thread1of1ForFork1_~i~2#1_5| v_~N~0_6) InVars {thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_5|, ~N~0=v_~N~0_6} OutVars{thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_5|, ~N~0=v_~N~0_6} AuxVars[] AssignedVars[][462], [526#(= |#race~N~0| 0), 553#(= |#race~A~0| 0), Black: 560#true, 573#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 135#L67true, Black: 551#true, 562#(= |#race~B~0| 0), 305#L87-7true]) [2022-11-21 16:37:21,710 INFO L383 tUnfolder$Statistics]: this new event has 360 ancestors and is cut-off event [2022-11-21 16:37:21,710 INFO L386 tUnfolder$Statistics]: existing Event has 315 ancestors and is cut-off event [2022-11-21 16:37:21,710 INFO L386 tUnfolder$Statistics]: existing Event has 309 ancestors and is cut-off event [2022-11-21 16:37:21,710 INFO L386 tUnfolder$Statistics]: existing Event has 360 ancestors and is cut-off event [2022-11-21 16:37:21,710 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1322] L66-2-->L66-8: Formula: (not (< |v_thread3Thread1of1ForFork1_~i~2#1_3| v_~N~0_5)) InVars {thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_3|, ~N~0=v_~N~0_5} OutVars{thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_3|, ~N~0=v_~N~0_5} AuxVars[] AssignedVars[][461], [51#L86-7true, 526#(= |#race~N~0| 0), 553#(= |#race~A~0| 0), Black: 560#true, 573#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 210#L66-8true, Black: 551#true, 562#(= |#race~B~0| 0), 313#L59true]) [2022-11-21 16:37:21,710 INFO L383 tUnfolder$Statistics]: this new event has 350 ancestors and is cut-off event [2022-11-21 16:37:21,711 INFO L386 tUnfolder$Statistics]: existing Event has 305 ancestors and is cut-off event [2022-11-21 16:37:21,711 INFO L386 tUnfolder$Statistics]: existing Event has 395 ancestors and is cut-off event [2022-11-21 16:37:21,711 INFO L386 tUnfolder$Statistics]: existing Event has 350 ancestors and is cut-off event [2022-11-21 16:37:21,711 INFO L386 tUnfolder$Statistics]: existing Event has 299 ancestors and is cut-off event [2022-11-21 16:37:21,711 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1323] L66-2-->L67: Formula: (< |v_thread3Thread1of1ForFork1_~i~2#1_5| v_~N~0_6) InVars {thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_5|, ~N~0=v_~N~0_6} OutVars{thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_5|, ~N~0=v_~N~0_6} AuxVars[] AssignedVars[][462], [51#L86-7true, 526#(= |#race~N~0| 0), 553#(= |#race~A~0| 0), Black: 560#true, 573#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 135#L67true, Black: 551#true, 562#(= |#race~B~0| 0), 313#L59true]) [2022-11-21 16:37:21,712 INFO L383 tUnfolder$Statistics]: this new event has 350 ancestors and is cut-off event [2022-11-21 16:37:21,712 INFO L386 tUnfolder$Statistics]: existing Event has 305 ancestors and is cut-off event [2022-11-21 16:37:21,712 INFO L386 tUnfolder$Statistics]: existing Event has 395 ancestors and is cut-off event [2022-11-21 16:37:21,712 INFO L386 tUnfolder$Statistics]: existing Event has 350 ancestors and is cut-off event [2022-11-21 16:37:21,712 INFO L386 tUnfolder$Statistics]: existing Event has 299 ancestors and is cut-off event [2022-11-21 16:37:21,738 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1322] L66-2-->L66-8: Formula: (not (< |v_thread3Thread1of1ForFork1_~i~2#1_3| v_~N~0_5)) InVars {thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_3|, ~N~0=v_~N~0_5} OutVars{thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_3|, ~N~0=v_~N~0_5} AuxVars[] AssignedVars[][461], [526#(= |#race~N~0| 0), 553#(= |#race~A~0| 0), Black: 560#true, 573#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 210#L66-8true, Black: 551#true, 562#(= |#race~B~0| 0), 305#L87-7true]) [2022-11-21 16:37:21,738 INFO L383 tUnfolder$Statistics]: this new event has 405 ancestors and is cut-off event [2022-11-21 16:37:21,738 INFO L386 tUnfolder$Statistics]: existing Event has 309 ancestors and is cut-off event [2022-11-21 16:37:21,738 INFO L386 tUnfolder$Statistics]: existing Event has 360 ancestors and is cut-off event [2022-11-21 16:37:21,738 INFO L386 tUnfolder$Statistics]: existing Event has 360 ancestors and is cut-off event [2022-11-21 16:37:21,738 INFO L386 tUnfolder$Statistics]: existing Event has 315 ancestors and is cut-off event [2022-11-21 16:37:21,739 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1323] L66-2-->L67: Formula: (< |v_thread3Thread1of1ForFork1_~i~2#1_5| v_~N~0_6) InVars {thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_5|, ~N~0=v_~N~0_6} OutVars{thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_5|, ~N~0=v_~N~0_6} AuxVars[] AssignedVars[][462], [526#(= |#race~N~0| 0), 553#(= |#race~A~0| 0), Black: 560#true, 573#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 135#L67true, Black: 551#true, 562#(= |#race~B~0| 0), 305#L87-7true]) [2022-11-21 16:37:21,739 INFO L383 tUnfolder$Statistics]: this new event has 405 ancestors and is cut-off event [2022-11-21 16:37:21,739 INFO L386 tUnfolder$Statistics]: existing Event has 315 ancestors and is cut-off event [2022-11-21 16:37:21,739 INFO L386 tUnfolder$Statistics]: existing Event has 309 ancestors and is cut-off event [2022-11-21 16:37:21,739 INFO L386 tUnfolder$Statistics]: existing Event has 360 ancestors and is cut-off event [2022-11-21 16:37:21,739 INFO L386 tUnfolder$Statistics]: existing Event has 360 ancestors and is cut-off event [2022-11-21 16:37:21,869 INFO L130 PetriNetUnfolder]: 1426/9500 cut-off events. [2022-11-21 16:37:21,869 INFO L131 PetriNetUnfolder]: For 125/194 co-relation queries the response was YES. [2022-11-21 16:37:21,931 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12100 conditions, 9500 events. 1426/9500 cut-off events. For 125/194 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 91482 event pairs, 846 based on Foata normal form. 0/7916 useless extension candidates. Maximal degree in co-relation 12063. Up to 1457 conditions per place. [2022-11-21 16:37:21,969 INFO L137 encePairwiseOnDemand]: 517/536 looper letters, 169 selfloop transitions, 28 changer transitions 0/561 dead transitions. [2022-11-21 16:37:21,969 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 450 places, 561 transitions, 1559 flow [2022-11-21 16:37:21,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-21 16:37:21,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-11-21 16:37:21,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 4973 transitions. [2022-11-21 16:37:21,999 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8434531886024423 [2022-11-21 16:37:22,000 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 4973 transitions. [2022-11-21 16:37:22,000 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 4973 transitions. [2022-11-21 16:37:22,007 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:37:22,007 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 4973 transitions. [2022-11-21 16:37:22,026 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 452.09090909090907) internal successors, (4973), 11 states have internal predecessors, (4973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:22,038 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 536.0) internal successors, (6432), 12 states have internal predecessors, (6432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:22,041 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 536.0) internal successors, (6432), 12 states have internal predecessors, (6432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:22,042 INFO L175 Difference]: Start difference. First operand has 440 places, 439 transitions, 905 flow. Second operand 11 states and 4973 transitions. [2022-11-21 16:37:22,042 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 450 places, 561 transitions, 1559 flow [2022-11-21 16:37:22,048 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 450 places, 561 transitions, 1559 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-21 16:37:22,057 INFO L231 Difference]: Finished difference. Result has 454 places, 456 transitions, 1038 flow [2022-11-21 16:37:22,058 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=536, PETRI_DIFFERENCE_MINUEND_FLOW=905, PETRI_DIFFERENCE_MINUEND_PLACES=440, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=439, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=421, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1038, PETRI_PLACES=454, PETRI_TRANSITIONS=456} [2022-11-21 16:37:22,059 INFO L288 CegarLoopForPetriNet]: 470 programPoint places, -16 predicate places. [2022-11-21 16:37:22,059 INFO L495 AbstractCegarLoop]: Abstraction has has 454 places, 456 transitions, 1038 flow [2022-11-21 16:37:22,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 439.0) internal successors, (3073), 7 states have internal predecessors, (3073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:22,062 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:37:22,063 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] [2022-11-21 16:37:22,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-21 16:37:22,063 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread3Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-21 16:37:22,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:22,064 INFO L85 PathProgramCache]: Analyzing trace with hash 966475415, now seen corresponding path program 1 times [2022-11-21 16:37:22,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:22,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778293042] [2022-11-21 16:37:22,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:22,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:22,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:22,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:37:22,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:22,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778293042] [2022-11-21 16:37:22,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778293042] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:22,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:22,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:37:22,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267863920] [2022-11-21 16:37:22,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:22,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:37:22,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:22,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:37:22,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:37:22,167 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 497 out of 536 [2022-11-21 16:37:22,169 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 454 places, 456 transitions, 1038 flow. Second operand has 3 states, 3 states have (on average 499.3333333333333) internal successors, (1498), 3 states have internal predecessors, (1498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:22,169 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:37:22,169 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 497 of 536 [2022-11-21 16:37:22,170 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:37:23,129 INFO L130 PetriNetUnfolder]: 134/2993 cut-off events. [2022-11-21 16:37:23,130 INFO L131 PetriNetUnfolder]: For 122/157 co-relation queries the response was YES. [2022-11-21 16:37:23,164 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3401 conditions, 2993 events. 134/2993 cut-off events. For 122/157 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 20894 event pairs, 48 based on Foata normal form. 0/2725 useless extension candidates. Maximal degree in co-relation 3359. Up to 175 conditions per place. [2022-11-21 16:37:23,177 INFO L137 encePairwiseOnDemand]: 533/536 looper letters, 15 selfloop transitions, 1 changer transitions 0/458 dead transitions. [2022-11-21 16:37:23,177 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 458 transitions, 1077 flow [2022-11-21 16:37:23,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:37:23,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:37:23,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1509 transitions. [2022-11-21 16:37:23,183 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9384328358208955 [2022-11-21 16:37:23,183 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1509 transitions. [2022-11-21 16:37:23,183 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1509 transitions. [2022-11-21 16:37:23,184 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:37:23,185 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1509 transitions. [2022-11-21 16:37:23,189 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 503.0) internal successors, (1509), 3 states have internal predecessors, (1509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:23,193 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 536.0) internal successors, (2144), 4 states have internal predecessors, (2144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:23,194 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 536.0) internal successors, (2144), 4 states have internal predecessors, (2144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:23,194 INFO L175 Difference]: Start difference. First operand has 454 places, 456 transitions, 1038 flow. Second operand 3 states and 1509 transitions. [2022-11-21 16:37:23,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 458 transitions, 1077 flow [2022-11-21 16:37:23,203 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 458 transitions, 1072 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:37:23,210 INFO L231 Difference]: Finished difference. Result has 453 places, 455 transitions, 1036 flow [2022-11-21 16:37:23,211 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=536, PETRI_DIFFERENCE_MINUEND_FLOW=1029, PETRI_DIFFERENCE_MINUEND_PLACES=450, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=454, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=453, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1036, PETRI_PLACES=453, PETRI_TRANSITIONS=455} [2022-11-21 16:37:23,212 INFO L288 CegarLoopForPetriNet]: 470 programPoint places, -17 predicate places. [2022-11-21 16:37:23,212 INFO L495 AbstractCegarLoop]: Abstraction has has 453 places, 455 transitions, 1036 flow [2022-11-21 16:37:23,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 499.3333333333333) internal successors, (1498), 3 states have internal predecessors, (1498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:23,213 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:37:23,214 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] [2022-11-21 16:37:23,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-21 16:37:23,214 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-21 16:37:23,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:23,215 INFO L85 PathProgramCache]: Analyzing trace with hash 319214509, now seen corresponding path program 1 times [2022-11-21 16:37:23,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:23,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434923840] [2022-11-21 16:37:23,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:23,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:23,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:23,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:37:23,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:23,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434923840] [2022-11-21 16:37:23,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434923840] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:23,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:23,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:37:23,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462945962] [2022-11-21 16:37:23,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:23,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:37:23,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:23,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:37:23,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:37:23,810 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 428 out of 536 [2022-11-21 16:37:23,814 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 453 places, 455 transitions, 1036 flow. Second operand has 6 states, 6 states have (on average 430.0) internal successors, (2580), 6 states have internal predecessors, (2580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:23,814 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:37:23,814 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 428 of 536 [2022-11-21 16:37:23,814 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand