./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-commit-1.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version efd9311c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-commit-1.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 4b2db95108d1ec3739bf941ab9d238fd5c3dd7467faa747c6c0552ae2048ee95 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 16:35:14,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 16:35:14,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 16:35:14,156 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 16:35:14,157 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 16:35:14,158 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 16:35:14,159 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 16:35:14,161 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 16:35:14,162 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 16:35:14,166 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 16:35:14,166 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 16:35:14,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 16:35:14,168 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 16:35:14,169 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 16:35:14,170 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 16:35:14,172 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 16:35:14,173 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 16:35:14,174 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 16:35:14,175 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 16:35:14,180 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 16:35:14,182 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 16:35:14,183 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 16:35:14,183 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 16:35:14,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 16:35:14,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 16:35:14,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 16:35:14,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 16:35:14,187 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 16:35:14,188 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 16:35:14,188 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 16:35:14,189 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 16:35:14,189 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 16:35:14,190 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 16:35:14,191 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 16:35:14,191 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 16:35:14,192 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 16:35:14,192 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 16:35:14,193 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 16:35:14,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 16:35:14,193 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 16:35:14,194 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 16:35:14,195 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 16:35:14,196 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-04-18 16:35:14,218 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 16:35:14,219 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 16:35:14,219 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 16:35:14,219 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 16:35:14,220 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 16:35:14,220 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 16:35:14,220 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 16:35:14,220 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 16:35:14,220 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 16:35:14,221 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 16:35:14,221 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 16:35:14,221 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 16:35:14,221 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 16:35:14,221 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 16:35:14,222 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 16:35:14,222 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 16:35:14,222 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 16:35:14,222 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 16:35:14,222 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 16:35:14,222 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 16:35:14,222 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 16:35:14,223 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 16:35:14,223 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 16:35:14,223 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 16:35:14,223 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 16:35:14,223 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 16:35:14,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:35:14,224 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 16:35:14,224 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 16:35:14,224 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 16:35:14,224 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 16:35:14,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 16:35:14,224 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 16:35:14,225 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-04-18 16:35:14,225 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 16:35:14,226 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b2db95108d1ec3739bf941ab9d238fd5c3dd7467faa747c6c0552ae2048ee95 [2022-04-18 16:35:14,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 16:35:14,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 16:35:14,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 16:35:14,423 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 16:35:14,423 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 16:35:14,424 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-commit-1.wvr.c [2022-04-18 16:35:14,509 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9e84869c/3cccdeb298bc468eb4838456d7e580f3/FLAGcfb9eb09d [2022-04-18 16:35:14,871 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 16:35:14,871 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-commit-1.wvr.c [2022-04-18 16:35:14,878 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9e84869c/3cccdeb298bc468eb4838456d7e580f3/FLAGcfb9eb09d [2022-04-18 16:35:14,892 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9e84869c/3cccdeb298bc468eb4838456d7e580f3 [2022-04-18 16:35:14,894 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 16:35:14,895 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 16:35:14,898 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 16:35:14,898 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 16:35:14,900 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 16:35:14,900 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:35:14" (1/1) ... [2022-04-18 16:35:14,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20ab24ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:14, skipping insertion in model container [2022-04-18 16:35:14,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:35:14" (1/1) ... [2022-04-18 16:35:14,907 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 16:35:14,930 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 16:35:15,108 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-commit-1.wvr.c[4604,4617] [2022-04-18 16:35:15,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:35:15,127 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 16:35:15,151 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-commit-1.wvr.c[4604,4617] [2022-04-18 16:35:15,153 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:35:15,162 INFO L208 MainTranslator]: Completed translation [2022-04-18 16:35:15,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:15 WrapperNode [2022-04-18 16:35:15,162 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 16:35:15,163 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 16:35:15,163 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 16:35:15,163 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 16:35:15,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:15" (1/1) ... [2022-04-18 16:35:15,177 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:15" (1/1) ... [2022-04-18 16:35:15,210 INFO L137 Inliner]: procedures = 25, calls = 68, calls flagged for inlining = 20, calls inlined = 24, statements flattened = 715 [2022-04-18 16:35:15,210 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 16:35:15,211 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 16:35:15,211 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 16:35:15,211 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 16:35:15,217 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:15" (1/1) ... [2022-04-18 16:35:15,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:15" (1/1) ... [2022-04-18 16:35:15,222 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:15" (1/1) ... [2022-04-18 16:35:15,222 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:15" (1/1) ... [2022-04-18 16:35:15,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:15" (1/1) ... [2022-04-18 16:35:15,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:15" (1/1) ... [2022-04-18 16:35:15,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:15" (1/1) ... [2022-04-18 16:35:15,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 16:35:15,248 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 16:35:15,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 16:35:15,248 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 16:35:15,249 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:15" (1/1) ... [2022-04-18 16:35:15,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:35:15,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-18 16:35:15,270 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-18 16:35:15,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-18 16:35:15,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 16:35:15,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 16:35:15,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 16:35:15,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-18 16:35:15,341 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-04-18 16:35:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-04-18 16:35:15,343 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-04-18 16:35:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-04-18 16:35:15,343 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-04-18 16:35:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-04-18 16:35:15,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 16:35:15,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-04-18 16:35:15,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-04-18 16:35:15,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-04-18 16:35:15,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 16:35:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 16:35:15,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 16:35:15,345 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-04-18 16:35:15,467 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 16:35:15,468 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 16:35:16,010 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 16:35:16,563 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 16:35:16,564 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-04-18 16:35:16,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:35:16 BoogieIcfgContainer [2022-04-18 16:35:16,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 16:35:16,569 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 16:35:16,569 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 16:35:16,571 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 16:35:16,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 04:35:14" (1/3) ... [2022-04-18 16:35:16,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@430ef93f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:35:16, skipping insertion in model container [2022-04-18 16:35:16,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:15" (2/3) ... [2022-04-18 16:35:16,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@430ef93f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:35:16, skipping insertion in model container [2022-04-18 16:35:16,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:35:16" (3/3) ... [2022-04-18 16:35:16,573 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-commit-1.wvr.c [2022-04-18 16:35:16,577 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 16:35:16,577 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 16:35:16,577 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 116 error locations. [2022-04-18 16:35:16,578 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 16:35:16,720 INFO L135 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-04-18 16:35:16,748 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 16:35:16,752 INFO L340 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 [2022-04-18 16:35:16,753 INFO L341 AbstractCegarLoop]: Starting to check reachability of 207 error locations. [2022-04-18 16:35:16,762 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 470 places, 479 transitions, 982 flow [2022-04-18 16:35:16,920 INFO L129 PetriNetUnfolder]: 19/476 cut-off events. [2022-04-18 16:35:16,921 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-04-18 16:35:16,926 INFO L84 FinitePrefix]: Finished finitePrefix Result has 489 conditions, 476 events. 19/476 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 723 event pairs, 0 based on Foata normal form. 0/341 useless extension candidates. Maximal degree in co-relation 397. Up to 2 conditions per place. [2022-04-18 16:35:16,926 INFO L82 GeneralOperation]: Start removeDead. Operand has 470 places, 479 transitions, 982 flow [2022-04-18 16:35:16,955 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 448 places, 456 transitions, 930 flow [2022-04-18 16:35:16,958 INFO L129 PetriNetUnfolder]: 0/33 cut-off events. [2022-04-18 16:35:16,959 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 16:35:16,959 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:16,959 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:16,960 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:35:16,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:16,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1243772581, now seen corresponding path program 1 times [2022-04-18 16:35:16,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:16,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679397237] [2022-04-18 16:35:16,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:16,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:17,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:17,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:17,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679397237] [2022-04-18 16:35:17,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679397237] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:17,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:17,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:17,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087755177] [2022-04-18 16:35:17,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:17,092 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:17,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:17,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:17,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:17,112 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 354 out of 479 [2022-04-18 16:35:17,115 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 448 places, 456 transitions, 930 flow. Second operand has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:17,115 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:17,115 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 354 of 479 [2022-04-18 16:35:17,116 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:17,250 INFO L129 PetriNetUnfolder]: 66/439 cut-off events. [2022-04-18 16:35:17,251 INFO L130 PetriNetUnfolder]: For 44/56 co-relation queries the response was YES. [2022-04-18 16:35:17,252 INFO L84 FinitePrefix]: Finished finitePrefix Result has 582 conditions, 439 events. 66/439 cut-off events. For 44/56 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 551 event pairs, 31 based on Foata normal form. 41/432 useless extension candidates. Maximal degree in co-relation 372. Up to 104 conditions per place. [2022-04-18 16:35:17,254 INFO L132 encePairwiseOnDemand]: 376/479 looper letters, 19 selfloop transitions, 2 changer transitions 6/355 dead transitions. [2022-04-18 16:35:17,254 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 361 places, 355 transitions, 770 flow [2022-04-18 16:35:17,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:17,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:17,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1184 transitions. [2022-04-18 16:35:17,265 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8239387613082811 [2022-04-18 16:35:17,265 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1184 transitions. [2022-04-18 16:35:17,266 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1184 transitions. [2022-04-18 16:35:17,267 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:17,269 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1184 transitions. [2022-04-18 16:35:17,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 394.6666666666667) internal successors, (1184), 3 states have internal predecessors, (1184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:17,278 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:17,278 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:17,280 INFO L186 Difference]: Start difference. First operand has 448 places, 456 transitions, 930 flow. Second operand 3 states and 1184 transitions. [2022-04-18 16:35:17,280 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 361 places, 355 transitions, 770 flow [2022-04-18 16:35:17,283 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 355 transitions, 758 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-04-18 16:35:17,288 INFO L242 Difference]: Finished difference. Result has 355 places, 349 transitions, 708 flow [2022-04-18 16:35:17,289 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=716, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=355, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=353, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=708, PETRI_PLACES=355, PETRI_TRANSITIONS=349} [2022-04-18 16:35:17,291 INFO L335 CegarLoopForPetriNet]: 448 programPoint places, -93 predicate places. [2022-04-18 16:35:17,292 INFO L478 AbstractCegarLoop]: Abstraction has has 355 places, 349 transitions, 708 flow [2022-04-18 16:35:17,292 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:17,293 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:17,293 INFO L255 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] [2022-04-18 16:35:17,293 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 16:35:17,293 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:35:17,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:17,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1255377645, now seen corresponding path program 1 times [2022-04-18 16:35:17,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:17,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784565526] [2022-04-18 16:35:17,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:17,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:17,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:17,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:17,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784565526] [2022-04-18 16:35:17,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784565526] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:17,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:17,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:17,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416158777] [2022-04-18 16:35:17,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:17,328 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:17,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:17,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:17,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:17,330 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 354 out of 479 [2022-04-18 16:35:17,331 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 349 transitions, 708 flow. Second operand has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:17,331 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:17,331 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 354 of 479 [2022-04-18 16:35:17,331 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:17,434 INFO L129 PetriNetUnfolder]: 66/432 cut-off events. [2022-04-18 16:35:17,434 INFO L130 PetriNetUnfolder]: For 7/19 co-relation queries the response was YES. [2022-04-18 16:35:17,435 INFO L84 FinitePrefix]: Finished finitePrefix Result has 556 conditions, 432 events. 66/432 cut-off events. For 7/19 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 544 event pairs, 31 based on Foata normal form. 0/391 useless extension candidates. Maximal degree in co-relation 515. Up to 105 conditions per place. [2022-04-18 16:35:17,437 INFO L132 encePairwiseOnDemand]: 476/479 looper letters, 20 selfloop transitions, 2 changer transitions 0/348 dead transitions. [2022-04-18 16:35:17,437 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 350 places, 348 transitions, 750 flow [2022-04-18 16:35:17,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:17,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:17,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1085 transitions. [2022-04-18 16:35:17,439 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7550452331245651 [2022-04-18 16:35:17,439 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1085 transitions. [2022-04-18 16:35:17,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1085 transitions. [2022-04-18 16:35:17,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:17,440 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1085 transitions. [2022-04-18 16:35:17,442 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 361.6666666666667) internal successors, (1085), 3 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:17,444 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:17,444 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:17,444 INFO L186 Difference]: Start difference. First operand has 355 places, 349 transitions, 708 flow. Second operand 3 states and 1085 transitions. [2022-04-18 16:35:17,445 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 350 places, 348 transitions, 750 flow [2022-04-18 16:35:17,446 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 348 places, 348 transitions, 746 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:17,449 INFO L242 Difference]: Finished difference. Result has 348 places, 348 transitions, 706 flow [2022-04-18 16:35:17,450 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=702, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=346, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=706, PETRI_PLACES=348, PETRI_TRANSITIONS=348} [2022-04-18 16:35:17,451 INFO L335 CegarLoopForPetriNet]: 448 programPoint places, -100 predicate places. [2022-04-18 16:35:17,451 INFO L478 AbstractCegarLoop]: Abstraction has has 348 places, 348 transitions, 706 flow [2022-04-18 16:35:17,451 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:17,452 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:17,452 INFO L255 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] [2022-04-18 16:35:17,452 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 16:35:17,452 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:35:17,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:17,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1225050503, now seen corresponding path program 1 times [2022-04-18 16:35:17,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:17,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373545852] [2022-04-18 16:35:17,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:17,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:17,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:17,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:17,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:17,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373545852] [2022-04-18 16:35:17,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373545852] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:17,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:17,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:17,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059676844] [2022-04-18 16:35:17,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:17,486 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:17,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:17,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:17,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:17,488 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 354 out of 479 [2022-04-18 16:35:17,489 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 348 places, 348 transitions, 706 flow. Second operand has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:17,489 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:17,489 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 354 of 479 [2022-04-18 16:35:17,489 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:17,580 INFO L129 PetriNetUnfolder]: 66/431 cut-off events. [2022-04-18 16:35:17,580 INFO L130 PetriNetUnfolder]: For 7/19 co-relation queries the response was YES. [2022-04-18 16:35:17,580 INFO L84 FinitePrefix]: Finished finitePrefix Result has 555 conditions, 431 events. 66/431 cut-off events. For 7/19 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 542 event pairs, 31 based on Foata normal form. 0/391 useless extension candidates. Maximal degree in co-relation 507. Up to 105 conditions per place. [2022-04-18 16:35:17,582 INFO L132 encePairwiseOnDemand]: 476/479 looper letters, 20 selfloop transitions, 2 changer transitions 0/347 dead transitions. [2022-04-18 16:35:17,582 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 349 places, 347 transitions, 748 flow [2022-04-18 16:35:17,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:17,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:17,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1085 transitions. [2022-04-18 16:35:17,584 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7550452331245651 [2022-04-18 16:35:17,584 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1085 transitions. [2022-04-18 16:35:17,584 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1085 transitions. [2022-04-18 16:35:17,585 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:17,585 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1085 transitions. [2022-04-18 16:35:17,586 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 361.6666666666667) internal successors, (1085), 3 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:17,588 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:17,589 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:17,589 INFO L186 Difference]: Start difference. First operand has 348 places, 348 transitions, 706 flow. Second operand 3 states and 1085 transitions. [2022-04-18 16:35:17,589 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 349 places, 347 transitions, 748 flow [2022-04-18 16:35:17,591 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 347 places, 347 transitions, 744 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:17,593 INFO L242 Difference]: Finished difference. Result has 347 places, 347 transitions, 704 flow [2022-04-18 16:35:17,594 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=700, PETRI_DIFFERENCE_MINUEND_PLACES=345, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=347, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=345, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=704, PETRI_PLACES=347, PETRI_TRANSITIONS=347} [2022-04-18 16:35:17,594 INFO L335 CegarLoopForPetriNet]: 448 programPoint places, -101 predicate places. [2022-04-18 16:35:17,594 INFO L478 AbstractCegarLoop]: Abstraction has has 347 places, 347 transitions, 704 flow [2022-04-18 16:35:17,595 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:17,595 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:17,595 INFO L255 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] [2022-04-18 16:35:17,595 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-18 16:35:17,596 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:35:17,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:17,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1126040281, now seen corresponding path program 1 times [2022-04-18 16:35:17,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:17,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983946909] [2022-04-18 16:35:17,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:17,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:17,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:17,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:17,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:17,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983946909] [2022-04-18 16:35:17,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983946909] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:17,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:17,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:17,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838998553] [2022-04-18 16:35:17,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:17,626 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:17,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:17,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:17,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:17,628 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 479 [2022-04-18 16:35:17,629 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 347 places, 347 transitions, 704 flow. Second operand has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:17,629 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:17,629 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 479 [2022-04-18 16:35:17,629 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:17,730 INFO L129 PetriNetUnfolder]: 89/558 cut-off events. [2022-04-18 16:35:17,730 INFO L130 PetriNetUnfolder]: For 15/33 co-relation queries the response was YES. [2022-04-18 16:35:17,731 INFO L84 FinitePrefix]: Finished finitePrefix Result has 718 conditions, 558 events. 89/558 cut-off events. For 15/33 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1221 event pairs, 38 based on Foata normal form. 0/499 useless extension candidates. Maximal degree in co-relation 662. Up to 107 conditions per place. [2022-04-18 16:35:17,732 INFO L132 encePairwiseOnDemand]: 476/479 looper letters, 26 selfloop transitions, 2 changer transitions 0/356 dead transitions. [2022-04-18 16:35:17,733 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 348 places, 356 transitions, 783 flow [2022-04-18 16:35:17,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:17,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:17,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1100 transitions. [2022-04-18 16:35:17,735 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7654836464857342 [2022-04-18 16:35:17,735 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1100 transitions. [2022-04-18 16:35:17,735 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1100 transitions. [2022-04-18 16:35:17,736 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:17,736 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1100 transitions. [2022-04-18 16:35:17,737 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 366.6666666666667) internal successors, (1100), 3 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:17,739 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:17,740 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:17,740 INFO L186 Difference]: Start difference. First operand has 347 places, 347 transitions, 704 flow. Second operand 3 states and 1100 transitions. [2022-04-18 16:35:17,740 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 348 places, 356 transitions, 783 flow [2022-04-18 16:35:17,752 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 356 transitions, 779 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:17,755 INFO L242 Difference]: Finished difference. Result has 347 places, 347 transitions, 708 flow [2022-04-18 16:35:17,755 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=698, PETRI_DIFFERENCE_MINUEND_PLACES=344, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=346, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=344, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=708, PETRI_PLACES=347, PETRI_TRANSITIONS=347} [2022-04-18 16:35:17,756 INFO L335 CegarLoopForPetriNet]: 448 programPoint places, -101 predicate places. [2022-04-18 16:35:17,756 INFO L478 AbstractCegarLoop]: Abstraction has has 347 places, 347 transitions, 708 flow [2022-04-18 16:35:17,757 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:17,757 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:17,757 INFO L255 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] [2022-04-18 16:35:17,757 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-18 16:35:17,757 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:35:17,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:17,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1338429894, now seen corresponding path program 1 times [2022-04-18 16:35:17,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:17,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75402700] [2022-04-18 16:35:17,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:17,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:17,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:17,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:17,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:17,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75402700] [2022-04-18 16:35:17,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75402700] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:17,786 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:17,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:17,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496500049] [2022-04-18 16:35:17,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:17,787 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:17,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:17,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:17,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:17,789 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 479 [2022-04-18 16:35:17,790 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 347 places, 347 transitions, 708 flow. Second operand has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:17,790 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:17,790 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 479 [2022-04-18 16:35:17,791 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:17,900 INFO L129 PetriNetUnfolder]: 89/531 cut-off events. [2022-04-18 16:35:17,901 INFO L130 PetriNetUnfolder]: For 29/44 co-relation queries the response was YES. [2022-04-18 16:35:17,902 INFO L84 FinitePrefix]: Finished finitePrefix Result has 713 conditions, 531 events. 89/531 cut-off events. For 29/44 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1059 event pairs, 44 based on Foata normal form. 0/482 useless extension candidates. Maximal degree in co-relation 351. Up to 139 conditions per place. [2022-04-18 16:35:17,904 INFO L132 encePairwiseOnDemand]: 476/479 looper letters, 18 selfloop transitions, 2 changer transitions 0/346 dead transitions. [2022-04-18 16:35:17,904 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 348 places, 346 transitions, 746 flow [2022-04-18 16:35:17,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:17,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:17,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1091 transitions. [2022-04-18 16:35:17,906 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7592205984690327 [2022-04-18 16:35:17,907 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1091 transitions. [2022-04-18 16:35:17,907 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1091 transitions. [2022-04-18 16:35:17,907 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:17,907 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1091 transitions. [2022-04-18 16:35:17,909 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 363.6666666666667) internal successors, (1091), 3 states have internal predecessors, (1091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:17,911 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:17,912 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:17,912 INFO L186 Difference]: Start difference. First operand has 347 places, 347 transitions, 708 flow. Second operand 3 states and 1091 transitions. [2022-04-18 16:35:17,912 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 348 places, 346 transitions, 746 flow [2022-04-18 16:35:17,915 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 347 places, 346 transitions, 744 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:35:17,917 INFO L242 Difference]: Finished difference. Result has 347 places, 346 transitions, 708 flow [2022-04-18 16:35:17,918 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=704, PETRI_DIFFERENCE_MINUEND_PLACES=345, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=346, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=344, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=708, PETRI_PLACES=347, PETRI_TRANSITIONS=346} [2022-04-18 16:35:17,919 INFO L335 CegarLoopForPetriNet]: 448 programPoint places, -101 predicate places. [2022-04-18 16:35:17,919 INFO L478 AbstractCegarLoop]: Abstraction has has 347 places, 346 transitions, 708 flow [2022-04-18 16:35:17,920 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:17,920 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:17,920 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:17,920 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-18 16:35:17,920 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:35:17,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:17,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1313483225, now seen corresponding path program 1 times [2022-04-18 16:35:17,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:17,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795050773] [2022-04-18 16:35:17,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:17,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:17,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:17,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:17,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:17,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795050773] [2022-04-18 16:35:17,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795050773] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:17,950 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:17,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:17,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977639937] [2022-04-18 16:35:17,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:17,951 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:17,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:17,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:17,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:17,953 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 479 [2022-04-18 16:35:17,954 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 347 places, 346 transitions, 708 flow. Second operand has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:17,954 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:17,954 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 479 [2022-04-18 16:35:17,954 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:18,057 INFO L129 PetriNetUnfolder]: 89/530 cut-off events. [2022-04-18 16:35:18,057 INFO L130 PetriNetUnfolder]: For 28/43 co-relation queries the response was YES. [2022-04-18 16:35:18,058 INFO L84 FinitePrefix]: Finished finitePrefix Result has 706 conditions, 530 events. 89/530 cut-off events. For 28/43 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1059 event pairs, 44 based on Foata normal form. 0/482 useless extension candidates. Maximal degree in co-relation 641. Up to 137 conditions per place. [2022-04-18 16:35:18,060 INFO L132 encePairwiseOnDemand]: 477/479 looper letters, 18 selfloop transitions, 1 changer transitions 0/345 dead transitions. [2022-04-18 16:35:18,060 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 348 places, 345 transitions, 744 flow [2022-04-18 16:35:18,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:18,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:18,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1090 transitions. [2022-04-18 16:35:18,062 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7585247042449548 [2022-04-18 16:35:18,062 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1090 transitions. [2022-04-18 16:35:18,063 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1090 transitions. [2022-04-18 16:35:18,063 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:18,063 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1090 transitions. [2022-04-18 16:35:18,065 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 363.3333333333333) internal successors, (1090), 3 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:18,067 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:18,068 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:18,068 INFO L186 Difference]: Start difference. First operand has 347 places, 346 transitions, 708 flow. Second operand 3 states and 1090 transitions. [2022-04-18 16:35:18,068 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 348 places, 345 transitions, 744 flow [2022-04-18 16:35:18,070 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 345 transitions, 740 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:18,073 INFO L242 Difference]: Finished difference. Result has 346 places, 345 transitions, 704 flow [2022-04-18 16:35:18,073 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=702, PETRI_DIFFERENCE_MINUEND_PLACES=344, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=344, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=704, PETRI_PLACES=346, PETRI_TRANSITIONS=345} [2022-04-18 16:35:18,074 INFO L335 CegarLoopForPetriNet]: 448 programPoint places, -102 predicate places. [2022-04-18 16:35:18,074 INFO L478 AbstractCegarLoop]: Abstraction has has 346 places, 345 transitions, 704 flow [2022-04-18 16:35:18,075 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:18,075 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:18,075 INFO L255 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] [2022-04-18 16:35:18,075 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-18 16:35:18,075 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:35:18,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:18,076 INFO L85 PathProgramCache]: Analyzing trace with hash 725335898, now seen corresponding path program 1 times [2022-04-18 16:35:18,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:18,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44777401] [2022-04-18 16:35:18,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:18,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:18,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:18,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:18,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:18,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44777401] [2022-04-18 16:35:18,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44777401] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:18,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:18,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:18,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892369052] [2022-04-18 16:35:18,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:18,112 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:18,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:18,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:18,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:18,113 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 479 [2022-04-18 16:35:18,114 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 346 places, 345 transitions, 704 flow. Second operand has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:18,114 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:18,115 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 479 [2022-04-18 16:35:18,115 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:18,208 INFO L129 PetriNetUnfolder]: 89/529 cut-off events. [2022-04-18 16:35:18,208 INFO L130 PetriNetUnfolder]: For 28/43 co-relation queries the response was YES. [2022-04-18 16:35:18,209 INFO L84 FinitePrefix]: Finished finitePrefix Result has 705 conditions, 529 events. 89/529 cut-off events. For 28/43 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1056 event pairs, 44 based on Foata normal form. 0/482 useless extension candidates. Maximal degree in co-relation 641. Up to 139 conditions per place. [2022-04-18 16:35:18,210 INFO L132 encePairwiseOnDemand]: 476/479 looper letters, 18 selfloop transitions, 2 changer transitions 0/344 dead transitions. [2022-04-18 16:35:18,210 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 344 transitions, 742 flow [2022-04-18 16:35:18,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:18,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:18,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1091 transitions. [2022-04-18 16:35:18,213 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7592205984690327 [2022-04-18 16:35:18,213 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1091 transitions. [2022-04-18 16:35:18,213 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1091 transitions. [2022-04-18 16:35:18,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:18,213 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1091 transitions. [2022-04-18 16:35:18,215 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 363.6666666666667) internal successors, (1091), 3 states have internal predecessors, (1091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:18,216 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:18,217 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:18,217 INFO L186 Difference]: Start difference. First operand has 346 places, 345 transitions, 704 flow. Second operand 3 states and 1091 transitions. [2022-04-18 16:35:18,217 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 344 transitions, 742 flow [2022-04-18 16:35:18,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 344 transitions, 741 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:35:18,221 INFO L242 Difference]: Finished difference. Result has 346 places, 344 transitions, 705 flow [2022-04-18 16:35:18,222 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=701, PETRI_DIFFERENCE_MINUEND_PLACES=344, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=344, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=342, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=705, PETRI_PLACES=346, PETRI_TRANSITIONS=344} [2022-04-18 16:35:18,222 INFO L335 CegarLoopForPetriNet]: 448 programPoint places, -102 predicate places. [2022-04-18 16:35:18,222 INFO L478 AbstractCegarLoop]: Abstraction has has 346 places, 344 transitions, 705 flow [2022-04-18 16:35:18,223 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:18,223 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:18,223 INFO L255 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] [2022-04-18 16:35:18,223 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-18 16:35:18,223 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:35:18,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:18,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1967496559, now seen corresponding path program 1 times [2022-04-18 16:35:18,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:18,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926583529] [2022-04-18 16:35:18,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:18,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:18,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:18,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:18,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:18,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926583529] [2022-04-18 16:35:18,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926583529] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:18,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:18,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:35:18,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810995024] [2022-04-18 16:35:18,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:18,316 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:35:18,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:18,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:35:18,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:35:18,318 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 479 [2022-04-18 16:35:18,319 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 346 places, 344 transitions, 705 flow. Second operand has 6 states, 6 states have (on average 295.8333333333333) internal successors, (1775), 6 states have internal predecessors, (1775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:18,320 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:18,320 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 479 [2022-04-18 16:35:18,320 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:18,728 INFO L129 PetriNetUnfolder]: 569/1174 cut-off events. [2022-04-18 16:35:18,728 INFO L130 PetriNetUnfolder]: For 62/62 co-relation queries the response was YES. [2022-04-18 16:35:18,730 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2115 conditions, 1174 events. 569/1174 cut-off events. For 62/62 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 3670 event pairs, 320 based on Foata normal form. 0/1107 useless extension candidates. Maximal degree in co-relation 2052. Up to 841 conditions per place. [2022-04-18 16:35:18,734 INFO L132 encePairwiseOnDemand]: 461/479 looper letters, 66 selfloop transitions, 15 changer transitions 0/341 dead transitions. [2022-04-18 16:35:18,734 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 348 places, 341 transitions, 861 flow [2022-04-18 16:35:18,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:35:18,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:35:18,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1847 transitions. [2022-04-18 16:35:18,737 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.6426583159359778 [2022-04-18 16:35:18,737 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1847 transitions. [2022-04-18 16:35:18,737 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1847 transitions. [2022-04-18 16:35:18,738 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:18,738 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1847 transitions. [2022-04-18 16:35:18,741 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 307.8333333333333) internal successors, (1847), 6 states have internal predecessors, (1847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:18,743 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:18,744 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:18,744 INFO L186 Difference]: Start difference. First operand has 346 places, 344 transitions, 705 flow. Second operand 6 states and 1847 transitions. [2022-04-18 16:35:18,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 348 places, 341 transitions, 861 flow [2022-04-18 16:35:18,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 341 transitions, 857 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:18,749 INFO L242 Difference]: Finished difference. Result has 346 places, 341 transitions, 725 flow [2022-04-18 16:35:18,749 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=695, PETRI_DIFFERENCE_MINUEND_PLACES=341, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=341, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=326, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=725, PETRI_PLACES=346, PETRI_TRANSITIONS=341} [2022-04-18 16:35:18,752 INFO L335 CegarLoopForPetriNet]: 448 programPoint places, -102 predicate places. [2022-04-18 16:35:18,752 INFO L478 AbstractCegarLoop]: Abstraction has has 346 places, 341 transitions, 725 flow [2022-04-18 16:35:18,752 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 295.8333333333333) internal successors, (1775), 6 states have internal predecessors, (1775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:18,753 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:18,753 INFO L255 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] [2022-04-18 16:35:18,753 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-04-18 16:35:18,753 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:35:18,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:18,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1775996735, now seen corresponding path program 1 times [2022-04-18 16:35:18,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:18,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310068232] [2022-04-18 16:35:18,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:18,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:18,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:18,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:18,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:18,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310068232] [2022-04-18 16:35:18,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310068232] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:18,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:18,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:18,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615483551] [2022-04-18 16:35:18,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:18,802 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:18,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:18,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:18,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:18,804 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 354 out of 479 [2022-04-18 16:35:18,805 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 346 places, 341 transitions, 725 flow. Second operand has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:18,805 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:18,805 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 354 of 479 [2022-04-18 16:35:18,805 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:18,899 INFO L129 PetriNetUnfolder]: 89/525 cut-off events. [2022-04-18 16:35:18,899 INFO L130 PetriNetUnfolder]: For 28/43 co-relation queries the response was YES. [2022-04-18 16:35:18,900 INFO L84 FinitePrefix]: Finished finitePrefix Result has 719 conditions, 525 events. 89/525 cut-off events. For 28/43 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1042 event pairs, 44 based on Foata normal form. 0/482 useless extension candidates. Maximal degree in co-relation 670. Up to 142 conditions per place. [2022-04-18 16:35:18,901 INFO L132 encePairwiseOnDemand]: 476/479 looper letters, 21 selfloop transitions, 2 changer transitions 0/340 dead transitions. [2022-04-18 16:35:18,902 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 340 transitions, 769 flow [2022-04-18 16:35:18,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:18,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:18,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1085 transitions. [2022-04-18 16:35:18,904 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7550452331245651 [2022-04-18 16:35:18,904 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1085 transitions. [2022-04-18 16:35:18,904 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1085 transitions. [2022-04-18 16:35:18,905 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:18,905 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1085 transitions. [2022-04-18 16:35:18,906 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 361.6666666666667) internal successors, (1085), 3 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:18,908 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:18,908 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:18,909 INFO L186 Difference]: Start difference. First operand has 346 places, 341 transitions, 725 flow. Second operand 3 states and 1085 transitions. [2022-04-18 16:35:18,909 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 340 transitions, 769 flow [2022-04-18 16:35:18,911 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 342 places, 340 transitions, 739 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-04-18 16:35:18,914 INFO L242 Difference]: Finished difference. Result has 342 places, 340 transitions, 697 flow [2022-04-18 16:35:18,914 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=693, PETRI_DIFFERENCE_MINUEND_PLACES=340, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=340, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=338, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=697, PETRI_PLACES=342, PETRI_TRANSITIONS=340} [2022-04-18 16:35:18,915 INFO L335 CegarLoopForPetriNet]: 448 programPoint places, -106 predicate places. [2022-04-18 16:35:18,915 INFO L478 AbstractCegarLoop]: Abstraction has has 342 places, 340 transitions, 697 flow [2022-04-18 16:35:18,916 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:18,916 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:18,916 INFO L255 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] [2022-04-18 16:35:18,916 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-04-18 16:35:18,916 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:35:18,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:18,917 INFO L85 PathProgramCache]: Analyzing trace with hash -354326769, now seen corresponding path program 1 times [2022-04-18 16:35:18,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:18,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048803247] [2022-04-18 16:35:18,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:18,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:18,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:18,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:18,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:18,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048803247] [2022-04-18 16:35:18,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048803247] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:18,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:18,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:18,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339213801] [2022-04-18 16:35:18,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:18,949 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:18,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:18,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:18,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:18,951 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 479 [2022-04-18 16:35:18,952 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 340 transitions, 697 flow. Second operand has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:18,952 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:18,952 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 479 [2022-04-18 16:35:18,952 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:19,080 INFO L129 PetriNetUnfolder]: 149/740 cut-off events. [2022-04-18 16:35:19,080 INFO L130 PetriNetUnfolder]: For 51/70 co-relation queries the response was YES. [2022-04-18 16:35:19,082 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1019 conditions, 740 events. 149/740 cut-off events. For 51/70 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2393 event pairs, 50 based on Foata normal form. 0/677 useless extension candidates. Maximal degree in co-relation 956. Up to 121 conditions per place. [2022-04-18 16:35:19,084 INFO L132 encePairwiseOnDemand]: 476/479 looper letters, 29 selfloop transitions, 2 changer transitions 0/351 dead transitions. [2022-04-18 16:35:19,084 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 351 transitions, 788 flow [2022-04-18 16:35:19,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:19,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:19,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1101 transitions. [2022-04-18 16:35:19,086 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7661795407098121 [2022-04-18 16:35:19,087 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1101 transitions. [2022-04-18 16:35:19,087 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1101 transitions. [2022-04-18 16:35:19,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:19,087 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1101 transitions. [2022-04-18 16:35:19,089 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 367.0) internal successors, (1101), 3 states have internal predecessors, (1101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:19,090 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:19,090 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:19,091 INFO L186 Difference]: Start difference. First operand has 342 places, 340 transitions, 697 flow. Second operand 3 states and 1101 transitions. [2022-04-18 16:35:19,091 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 351 transitions, 788 flow [2022-04-18 16:35:19,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 341 places, 351 transitions, 784 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:19,095 INFO L242 Difference]: Finished difference. Result has 342 places, 340 transitions, 701 flow [2022-04-18 16:35:19,096 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=691, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=339, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=337, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=701, PETRI_PLACES=342, PETRI_TRANSITIONS=340} [2022-04-18 16:35:19,096 INFO L335 CegarLoopForPetriNet]: 448 programPoint places, -106 predicate places. [2022-04-18 16:35:19,097 INFO L478 AbstractCegarLoop]: Abstraction has has 342 places, 340 transitions, 701 flow [2022-04-18 16:35:19,097 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:19,098 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:19,098 INFO L255 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] [2022-04-18 16:35:19,098 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-04-18 16:35:19,098 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:35:19,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:19,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1115377268, now seen corresponding path program 1 times [2022-04-18 16:35:19,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:19,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843173050] [2022-04-18 16:35:19,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:19,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:19,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:19,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:19,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:19,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843173050] [2022-04-18 16:35:19,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843173050] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:19,121 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:19,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:19,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284676539] [2022-04-18 16:35:19,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:19,122 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:19,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:19,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:19,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:19,124 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 479 [2022-04-18 16:35:19,124 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 340 transitions, 701 flow. Second operand has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:19,124 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:19,125 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 479 [2022-04-18 16:35:19,125 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:19,246 INFO L129 PetriNetUnfolder]: 149/719 cut-off events. [2022-04-18 16:35:19,246 INFO L130 PetriNetUnfolder]: For 63/87 co-relation queries the response was YES. [2022-04-18 16:35:19,247 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1047 conditions, 719 events. 149/719 cut-off events. For 63/87 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2319 event pairs, 86 based on Foata normal form. 0/653 useless extension candidates. Maximal degree in co-relation 982. Up to 233 conditions per place. [2022-04-18 16:35:19,249 INFO L132 encePairwiseOnDemand]: 476/479 looper letters, 19 selfloop transitions, 2 changer transitions 0/339 dead transitions. [2022-04-18 16:35:19,249 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 339 transitions, 741 flow [2022-04-18 16:35:19,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:19,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:19,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1091 transitions. [2022-04-18 16:35:19,252 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7592205984690327 [2022-04-18 16:35:19,252 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1091 transitions. [2022-04-18 16:35:19,252 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1091 transitions. [2022-04-18 16:35:19,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:19,253 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1091 transitions. [2022-04-18 16:35:19,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 363.6666666666667) internal successors, (1091), 3 states have internal predecessors, (1091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:19,255 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:19,256 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:19,256 INFO L186 Difference]: Start difference. First operand has 342 places, 340 transitions, 701 flow. Second operand 3 states and 1091 transitions. [2022-04-18 16:35:19,256 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 339 transitions, 741 flow [2022-04-18 16:35:19,258 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 342 places, 339 transitions, 739 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:35:19,260 INFO L242 Difference]: Finished difference. Result has 342 places, 339 transitions, 701 flow [2022-04-18 16:35:19,261 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=697, PETRI_DIFFERENCE_MINUEND_PLACES=340, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=339, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=337, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=701, PETRI_PLACES=342, PETRI_TRANSITIONS=339} [2022-04-18 16:35:19,261 INFO L335 CegarLoopForPetriNet]: 448 programPoint places, -106 predicate places. [2022-04-18 16:35:19,261 INFO L478 AbstractCegarLoop]: Abstraction has has 342 places, 339 transitions, 701 flow [2022-04-18 16:35:19,261 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:19,262 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:19,262 INFO L255 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] [2022-04-18 16:35:19,262 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-04-18 16:35:19,262 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:35:19,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:19,263 INFO L85 PathProgramCache]: Analyzing trace with hash -2138874536, now seen corresponding path program 1 times [2022-04-18 16:35:19,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:19,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725907286] [2022-04-18 16:35:19,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:19,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:19,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:19,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:19,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:19,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725907286] [2022-04-18 16:35:19,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725907286] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:19,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:19,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:19,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574570238] [2022-04-18 16:35:19,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:19,287 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:19,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:19,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:19,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:19,289 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 354 out of 479 [2022-04-18 16:35:19,290 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 339 transitions, 701 flow. Second operand has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:19,290 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:19,290 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 354 of 479 [2022-04-18 16:35:19,290 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:19,433 INFO L129 PetriNetUnfolder]: 149/718 cut-off events. [2022-04-18 16:35:19,433 INFO L130 PetriNetUnfolder]: For 62/86 co-relation queries the response was YES. [2022-04-18 16:35:19,434 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1035 conditions, 718 events. 149/718 cut-off events. For 62/86 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2304 event pairs, 86 based on Foata normal form. 0/653 useless extension candidates. Maximal degree in co-relation 970. Up to 236 conditions per place. [2022-04-18 16:35:19,437 INFO L132 encePairwiseOnDemand]: 476/479 looper letters, 22 selfloop transitions, 2 changer transitions 0/338 dead transitions. [2022-04-18 16:35:19,437 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 338 transitions, 747 flow [2022-04-18 16:35:19,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:19,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:19,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1085 transitions. [2022-04-18 16:35:19,439 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7550452331245651 [2022-04-18 16:35:19,439 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1085 transitions. [2022-04-18 16:35:19,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1085 transitions. [2022-04-18 16:35:19,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:19,439 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1085 transitions. [2022-04-18 16:35:19,440 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 361.6666666666667) internal successors, (1085), 3 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:19,442 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:19,442 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:19,442 INFO L186 Difference]: Start difference. First operand has 342 places, 339 transitions, 701 flow. Second operand 3 states and 1085 transitions. [2022-04-18 16:35:19,442 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 338 transitions, 747 flow [2022-04-18 16:35:19,444 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 341 places, 338 transitions, 743 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:19,447 INFO L242 Difference]: Finished difference. Result has 341 places, 338 transitions, 699 flow [2022-04-18 16:35:19,447 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=695, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=338, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=336, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=699, PETRI_PLACES=341, PETRI_TRANSITIONS=338} [2022-04-18 16:35:19,448 INFO L335 CegarLoopForPetriNet]: 448 programPoint places, -107 predicate places. [2022-04-18 16:35:19,448 INFO L478 AbstractCegarLoop]: Abstraction has has 341 places, 338 transitions, 699 flow [2022-04-18 16:35:19,448 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:19,448 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:19,448 INFO L255 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] [2022-04-18 16:35:19,448 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-04-18 16:35:19,449 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:35:19,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:19,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1368554899, now seen corresponding path program 1 times [2022-04-18 16:35:19,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:19,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548968465] [2022-04-18 16:35:19,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:19,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:19,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:19,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:19,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:19,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548968465] [2022-04-18 16:35:19,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548968465] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:19,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:19,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:19,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456799496] [2022-04-18 16:35:19,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:19,477 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:19,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:19,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:19,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:19,479 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 479 [2022-04-18 16:35:19,479 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 341 places, 338 transitions, 699 flow. Second operand has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:19,479 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:19,479 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 479 [2022-04-18 16:35:19,479 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:19,589 INFO L129 PetriNetUnfolder]: 149/717 cut-off events. [2022-04-18 16:35:19,589 INFO L130 PetriNetUnfolder]: For 63/87 co-relation queries the response was YES. [2022-04-18 16:35:19,591 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1030 conditions, 717 events. 149/717 cut-off events. For 63/87 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2299 event pairs, 86 based on Foata normal form. 0/653 useless extension candidates. Maximal degree in co-relation 966. Up to 231 conditions per place. [2022-04-18 16:35:19,593 INFO L132 encePairwiseOnDemand]: 477/479 looper letters, 19 selfloop transitions, 1 changer transitions 0/337 dead transitions. [2022-04-18 16:35:19,593 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 342 places, 337 transitions, 737 flow [2022-04-18 16:35:19,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:19,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:19,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1090 transitions. [2022-04-18 16:35:19,596 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7585247042449548 [2022-04-18 16:35:19,596 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1090 transitions. [2022-04-18 16:35:19,596 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1090 transitions. [2022-04-18 16:35:19,596 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:19,596 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1090 transitions. [2022-04-18 16:35:19,598 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 363.3333333333333) internal successors, (1090), 3 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:19,599 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:19,599 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:19,599 INFO L186 Difference]: Start difference. First operand has 341 places, 338 transitions, 699 flow. Second operand 3 states and 1090 transitions. [2022-04-18 16:35:19,600 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 342 places, 337 transitions, 737 flow [2022-04-18 16:35:19,602 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 337 transitions, 733 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:19,604 INFO L242 Difference]: Finished difference. Result has 340 places, 337 transitions, 695 flow [2022-04-18 16:35:19,605 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=693, PETRI_DIFFERENCE_MINUEND_PLACES=338, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=337, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=336, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=695, PETRI_PLACES=340, PETRI_TRANSITIONS=337} [2022-04-18 16:35:19,606 INFO L335 CegarLoopForPetriNet]: 448 programPoint places, -108 predicate places. [2022-04-18 16:35:19,606 INFO L478 AbstractCegarLoop]: Abstraction has has 340 places, 337 transitions, 695 flow [2022-04-18 16:35:19,607 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:19,607 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:19,607 INFO L255 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] [2022-04-18 16:35:19,607 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-04-18 16:35:19,608 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:35:19,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:19,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1519574607, now seen corresponding path program 1 times [2022-04-18 16:35:19,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:19,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844958163] [2022-04-18 16:35:19,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:19,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:19,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:19,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:19,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:19,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844958163] [2022-04-18 16:35:19,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844958163] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:19,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:19,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:19,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059850267] [2022-04-18 16:35:19,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:19,652 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:19,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:19,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:19,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:19,654 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 479 [2022-04-18 16:35:19,654 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 340 places, 337 transitions, 695 flow. Second operand has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:19,654 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:19,654 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 479 [2022-04-18 16:35:19,655 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:19,763 INFO L129 PetriNetUnfolder]: 149/716 cut-off events. [2022-04-18 16:35:19,764 INFO L130 PetriNetUnfolder]: For 62/86 co-relation queries the response was YES. [2022-04-18 16:35:19,765 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1029 conditions, 716 events. 149/716 cut-off events. For 62/86 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2291 event pairs, 86 based on Foata normal form. 0/653 useless extension candidates. Maximal degree in co-relation 964. Up to 233 conditions per place. [2022-04-18 16:35:19,767 INFO L132 encePairwiseOnDemand]: 476/479 looper letters, 19 selfloop transitions, 2 changer transitions 0/336 dead transitions. [2022-04-18 16:35:19,767 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 336 transitions, 735 flow [2022-04-18 16:35:19,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:19,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:19,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1091 transitions. [2022-04-18 16:35:19,770 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7592205984690327 [2022-04-18 16:35:19,770 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1091 transitions. [2022-04-18 16:35:19,770 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1091 transitions. [2022-04-18 16:35:19,770 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:19,770 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1091 transitions. [2022-04-18 16:35:19,771 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 363.6666666666667) internal successors, (1091), 3 states have internal predecessors, (1091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:19,773 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:19,773 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:19,773 INFO L186 Difference]: Start difference. First operand has 340 places, 337 transitions, 695 flow. Second operand 3 states and 1091 transitions. [2022-04-18 16:35:19,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 336 transitions, 735 flow [2022-04-18 16:35:19,776 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 336 transitions, 734 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:35:19,778 INFO L242 Difference]: Finished difference. Result has 340 places, 336 transitions, 696 flow [2022-04-18 16:35:19,779 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=692, PETRI_DIFFERENCE_MINUEND_PLACES=338, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=336, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=334, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=696, PETRI_PLACES=340, PETRI_TRANSITIONS=336} [2022-04-18 16:35:19,779 INFO L335 CegarLoopForPetriNet]: 448 programPoint places, -108 predicate places. [2022-04-18 16:35:19,779 INFO L478 AbstractCegarLoop]: Abstraction has has 340 places, 336 transitions, 696 flow [2022-04-18 16:35:19,780 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:19,780 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:19,780 INFO L255 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] [2022-04-18 16:35:19,780 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-04-18 16:35:19,780 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:35:19,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:19,781 INFO L85 PathProgramCache]: Analyzing trace with hash 721343885, now seen corresponding path program 1 times [2022-04-18 16:35:19,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:19,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514091440] [2022-04-18 16:35:19,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:19,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:19,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:19,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:19,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:19,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514091440] [2022-04-18 16:35:19,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514091440] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:19,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:19,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:19,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175428528] [2022-04-18 16:35:19,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:19,812 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:19,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:19,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:19,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:19,814 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 354 out of 479 [2022-04-18 16:35:19,815 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 340 places, 336 transitions, 696 flow. Second operand has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:19,815 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:19,815 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 354 of 479 [2022-04-18 16:35:19,815 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:19,927 INFO L129 PetriNetUnfolder]: 149/715 cut-off events. [2022-04-18 16:35:19,927 INFO L130 PetriNetUnfolder]: For 62/86 co-relation queries the response was YES. [2022-04-18 16:35:19,929 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1033 conditions, 715 events. 149/715 cut-off events. For 62/86 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2311 event pairs, 86 based on Foata normal form. 0/653 useless extension candidates. Maximal degree in co-relation 968. Up to 236 conditions per place. [2022-04-18 16:35:19,931 INFO L132 encePairwiseOnDemand]: 476/479 looper letters, 22 selfloop transitions, 2 changer transitions 0/335 dead transitions. [2022-04-18 16:35:19,931 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 335 transitions, 742 flow [2022-04-18 16:35:19,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:19,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:19,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1085 transitions. [2022-04-18 16:35:19,933 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7550452331245651 [2022-04-18 16:35:19,933 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1085 transitions. [2022-04-18 16:35:19,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1085 transitions. [2022-04-18 16:35:19,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:19,933 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1085 transitions. [2022-04-18 16:35:19,935 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 361.6666666666667) internal successors, (1085), 3 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:19,936 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:19,936 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:19,936 INFO L186 Difference]: Start difference. First operand has 340 places, 336 transitions, 696 flow. Second operand 3 states and 1085 transitions. [2022-04-18 16:35:19,936 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 335 transitions, 742 flow [2022-04-18 16:35:19,938 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 335 transitions, 738 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:19,940 INFO L242 Difference]: Finished difference. Result has 339 places, 335 transitions, 694 flow [2022-04-18 16:35:19,941 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=690, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=335, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=333, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=694, PETRI_PLACES=339, PETRI_TRANSITIONS=335} [2022-04-18 16:35:19,941 INFO L335 CegarLoopForPetriNet]: 448 programPoint places, -109 predicate places. [2022-04-18 16:35:19,941 INFO L478 AbstractCegarLoop]: Abstraction has has 339 places, 335 transitions, 694 flow [2022-04-18 16:35:19,942 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:19,942 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:19,942 INFO L255 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] [2022-04-18 16:35:19,942 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-04-18 16:35:19,942 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:35:19,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:19,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1092579755, now seen corresponding path program 1 times [2022-04-18 16:35:19,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:19,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950245346] [2022-04-18 16:35:19,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:19,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:19,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:19,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:19,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:19,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950245346] [2022-04-18 16:35:19,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950245346] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:19,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:19,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:19,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723860675] [2022-04-18 16:35:19,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:19,969 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:19,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:19,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:19,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:19,971 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 479 [2022-04-18 16:35:19,971 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 339 places, 335 transitions, 694 flow. Second operand has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:19,971 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:19,971 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 479 [2022-04-18 16:35:19,971 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:20,132 INFO L129 PetriNetUnfolder]: 223/1059 cut-off events. [2022-04-18 16:35:20,133 INFO L130 PetriNetUnfolder]: For 119/150 co-relation queries the response was YES. [2022-04-18 16:35:20,135 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1525 conditions, 1059 events. 223/1059 cut-off events. For 119/150 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 4944 event pairs, 32 based on Foata normal form. 3/968 useless extension candidates. Maximal degree in co-relation 1461. Up to 254 conditions per place. [2022-04-18 16:35:20,139 INFO L132 encePairwiseOnDemand]: 476/479 looper letters, 31 selfloop transitions, 2 changer transitions 0/347 dead transitions. [2022-04-18 16:35:20,139 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 347 transitions, 796 flow [2022-04-18 16:35:20,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:20,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:20,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1101 transitions. [2022-04-18 16:35:20,142 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7661795407098121 [2022-04-18 16:35:20,142 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1101 transitions. [2022-04-18 16:35:20,142 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1101 transitions. [2022-04-18 16:35:20,143 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:20,143 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1101 transitions. [2022-04-18 16:35:20,144 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 367.0) internal successors, (1101), 3 states have internal predecessors, (1101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:20,145 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:20,146 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:20,146 INFO L186 Difference]: Start difference. First operand has 339 places, 335 transitions, 694 flow. Second operand 3 states and 1101 transitions. [2022-04-18 16:35:20,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 347 transitions, 796 flow [2022-04-18 16:35:20,148 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 338 places, 347 transitions, 792 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:20,151 INFO L242 Difference]: Finished difference. Result has 339 places, 335 transitions, 698 flow [2022-04-18 16:35:20,152 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=688, PETRI_DIFFERENCE_MINUEND_PLACES=336, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=334, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=332, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=698, PETRI_PLACES=339, PETRI_TRANSITIONS=335} [2022-04-18 16:35:20,152 INFO L335 CegarLoopForPetriNet]: 448 programPoint places, -109 predicate places. [2022-04-18 16:35:20,152 INFO L478 AbstractCegarLoop]: Abstraction has has 339 places, 335 transitions, 698 flow [2022-04-18 16:35:20,152 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:20,152 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:20,152 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:20,153 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-04-18 16:35:20,153 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:35:20,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:20,153 INFO L85 PathProgramCache]: Analyzing trace with hash -552934032, now seen corresponding path program 1 times [2022-04-18 16:35:20,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:20,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964596169] [2022-04-18 16:35:20,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:20,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:20,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:20,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:20,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:20,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964596169] [2022-04-18 16:35:20,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964596169] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:20,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:20,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:20,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660203285] [2022-04-18 16:35:20,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:20,189 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:20,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:20,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:20,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:20,191 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 479 [2022-04-18 16:35:20,191 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 339 places, 335 transitions, 698 flow. Second operand has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:20,191 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:20,191 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 479 [2022-04-18 16:35:20,191 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:20,360 INFO L129 PetriNetUnfolder]: 223/1030 cut-off events. [2022-04-18 16:35:20,360 INFO L130 PetriNetUnfolder]: For 166/202 co-relation queries the response was YES. [2022-04-18 16:35:20,363 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1596 conditions, 1030 events. 223/1030 cut-off events. For 166/202 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 4884 event pairs, 146 based on Foata normal form. 0/927 useless extension candidates. Maximal degree in co-relation 1530. Up to 352 conditions per place. [2022-04-18 16:35:20,366 INFO L132 encePairwiseOnDemand]: 476/479 looper letters, 20 selfloop transitions, 2 changer transitions 0/334 dead transitions. [2022-04-18 16:35:20,366 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 334 transitions, 740 flow [2022-04-18 16:35:20,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:20,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:20,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1091 transitions. [2022-04-18 16:35:20,368 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7592205984690327 [2022-04-18 16:35:20,368 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1091 transitions. [2022-04-18 16:35:20,368 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1091 transitions. [2022-04-18 16:35:20,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:20,368 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1091 transitions. [2022-04-18 16:35:20,370 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 363.6666666666667) internal successors, (1091), 3 states have internal predecessors, (1091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:20,371 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:20,371 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:20,371 INFO L186 Difference]: Start difference. First operand has 339 places, 335 transitions, 698 flow. Second operand 3 states and 1091 transitions. [2022-04-18 16:35:20,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 334 transitions, 740 flow [2022-04-18 16:35:20,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 334 transitions, 738 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:35:20,376 INFO L242 Difference]: Finished difference. Result has 339 places, 334 transitions, 698 flow [2022-04-18 16:35:20,376 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=694, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=334, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=332, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=698, PETRI_PLACES=339, PETRI_TRANSITIONS=334} [2022-04-18 16:35:20,377 INFO L335 CegarLoopForPetriNet]: 448 programPoint places, -109 predicate places. [2022-04-18 16:35:20,377 INFO L478 AbstractCegarLoop]: Abstraction has has 339 places, 334 transitions, 698 flow [2022-04-18 16:35:20,377 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:20,377 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:20,377 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:20,377 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-04-18 16:35:20,377 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:35:20,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:20,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1050772823, now seen corresponding path program 1 times [2022-04-18 16:35:20,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:20,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549887742] [2022-04-18 16:35:20,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:20,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:20,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:20,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:20,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:20,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549887742] [2022-04-18 16:35:20,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549887742] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:20,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:20,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:20,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627909569] [2022-04-18 16:35:20,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:20,412 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:20,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:20,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:20,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:20,413 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 354 out of 479 [2022-04-18 16:35:20,414 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 339 places, 334 transitions, 698 flow. Second operand has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:20,414 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:20,414 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 354 of 479 [2022-04-18 16:35:20,414 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:20,562 INFO L129 PetriNetUnfolder]: 223/1029 cut-off events. [2022-04-18 16:35:20,562 INFO L130 PetriNetUnfolder]: For 165/201 co-relation queries the response was YES. [2022-04-18 16:35:20,565 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1567 conditions, 1029 events. 223/1029 cut-off events. For 165/201 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 4852 event pairs, 146 based on Foata normal form. 0/927 useless extension candidates. Maximal degree in co-relation 1501. Up to 355 conditions per place. [2022-04-18 16:35:20,570 INFO L132 encePairwiseOnDemand]: 476/479 looper letters, 23 selfloop transitions, 2 changer transitions 0/333 dead transitions. [2022-04-18 16:35:20,570 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 333 transitions, 746 flow [2022-04-18 16:35:20,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:20,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:20,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1085 transitions. [2022-04-18 16:35:20,572 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7550452331245651 [2022-04-18 16:35:20,572 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1085 transitions. [2022-04-18 16:35:20,572 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1085 transitions. [2022-04-18 16:35:20,572 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:20,573 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1085 transitions. [2022-04-18 16:35:20,574 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 361.6666666666667) internal successors, (1085), 3 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:20,575 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:20,575 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:20,575 INFO L186 Difference]: Start difference. First operand has 339 places, 334 transitions, 698 flow. Second operand 3 states and 1085 transitions. [2022-04-18 16:35:20,575 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 333 transitions, 746 flow [2022-04-18 16:35:20,577 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 338 places, 333 transitions, 742 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:20,580 INFO L242 Difference]: Finished difference. Result has 338 places, 333 transitions, 696 flow [2022-04-18 16:35:20,580 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=692, PETRI_DIFFERENCE_MINUEND_PLACES=336, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=333, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=331, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=696, PETRI_PLACES=338, PETRI_TRANSITIONS=333} [2022-04-18 16:35:20,580 INFO L335 CegarLoopForPetriNet]: 448 programPoint places, -110 predicate places. [2022-04-18 16:35:20,580 INFO L478 AbstractCegarLoop]: Abstraction has has 338 places, 333 transitions, 696 flow [2022-04-18 16:35:20,581 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:20,581 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:20,581 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:20,581 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-04-18 16:35:20,581 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:35:20,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:20,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1501112421, now seen corresponding path program 1 times [2022-04-18 16:35:20,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:20,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402790783] [2022-04-18 16:35:20,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:20,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:20,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:20,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:20,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:20,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402790783] [2022-04-18 16:35:20,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402790783] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:20,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:20,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:20,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022901541] [2022-04-18 16:35:20,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:20,615 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:20,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:20,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:20,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:20,616 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 479 [2022-04-18 16:35:20,617 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 333 transitions, 696 flow. Second operand has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:20,617 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:20,617 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 479 [2022-04-18 16:35:20,617 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:20,777 INFO L129 PetriNetUnfolder]: 223/1028 cut-off events. [2022-04-18 16:35:20,777 INFO L130 PetriNetUnfolder]: For 166/202 co-relation queries the response was YES. [2022-04-18 16:35:20,780 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1562 conditions, 1028 events. 223/1028 cut-off events. For 166/202 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 4896 event pairs, 146 based on Foata normal form. 0/927 useless extension candidates. Maximal degree in co-relation 1497. Up to 350 conditions per place. [2022-04-18 16:35:20,782 INFO L132 encePairwiseOnDemand]: 477/479 looper letters, 20 selfloop transitions, 1 changer transitions 0/332 dead transitions. [2022-04-18 16:35:20,782 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 339 places, 332 transitions, 736 flow [2022-04-18 16:35:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:20,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:20,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1090 transitions. [2022-04-18 16:35:20,784 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7585247042449548 [2022-04-18 16:35:20,785 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1090 transitions. [2022-04-18 16:35:20,785 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1090 transitions. [2022-04-18 16:35:20,785 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:20,785 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1090 transitions. [2022-04-18 16:35:20,786 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 363.3333333333333) internal successors, (1090), 3 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:20,788 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:20,788 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:20,788 INFO L186 Difference]: Start difference. First operand has 338 places, 333 transitions, 696 flow. Second operand 3 states and 1090 transitions. [2022-04-18 16:35:20,788 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 339 places, 332 transitions, 736 flow [2022-04-18 16:35:20,790 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 332 transitions, 732 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:20,792 INFO L242 Difference]: Finished difference. Result has 337 places, 332 transitions, 692 flow [2022-04-18 16:35:20,793 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=690, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=332, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=331, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=692, PETRI_PLACES=337, PETRI_TRANSITIONS=332} [2022-04-18 16:35:20,793 INFO L335 CegarLoopForPetriNet]: 448 programPoint places, -111 predicate places. [2022-04-18 16:35:20,793 INFO L478 AbstractCegarLoop]: Abstraction has has 337 places, 332 transitions, 692 flow [2022-04-18 16:35:20,793 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:20,793 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:20,794 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:20,794 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-04-18 16:35:20,794 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:35:20,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:20,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1481930649, now seen corresponding path program 1 times [2022-04-18 16:35:20,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:20,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729485304] [2022-04-18 16:35:20,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:20,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:20,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:20,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:20,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729485304] [2022-04-18 16:35:20,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729485304] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:20,835 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:20,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:20,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933492565] [2022-04-18 16:35:20,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:20,836 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:20,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:20,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:20,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:20,837 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 479 [2022-04-18 16:35:20,838 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 332 transitions, 692 flow. Second operand has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:20,838 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:20,838 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 479 [2022-04-18 16:35:20,838 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:21,004 INFO L129 PetriNetUnfolder]: 223/1027 cut-off events. [2022-04-18 16:35:21,004 INFO L130 PetriNetUnfolder]: For 165/201 co-relation queries the response was YES. [2022-04-18 16:35:21,007 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1561 conditions, 1027 events. 223/1027 cut-off events. For 165/201 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 4925 event pairs, 146 based on Foata normal form. 0/927 useless extension candidates. Maximal degree in co-relation 1495. Up to 352 conditions per place. [2022-04-18 16:35:21,011 INFO L132 encePairwiseOnDemand]: 476/479 looper letters, 20 selfloop transitions, 2 changer transitions 0/331 dead transitions. [2022-04-18 16:35:21,011 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 338 places, 331 transitions, 734 flow [2022-04-18 16:35:21,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:21,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:21,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1091 transitions. [2022-04-18 16:35:21,013 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7592205984690327 [2022-04-18 16:35:21,013 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1091 transitions. [2022-04-18 16:35:21,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1091 transitions. [2022-04-18 16:35:21,014 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:21,014 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1091 transitions. [2022-04-18 16:35:21,015 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 363.6666666666667) internal successors, (1091), 3 states have internal predecessors, (1091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:21,017 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:21,017 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:21,017 INFO L186 Difference]: Start difference. First operand has 337 places, 332 transitions, 692 flow. Second operand 3 states and 1091 transitions. [2022-04-18 16:35:21,017 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 338 places, 331 transitions, 734 flow [2022-04-18 16:35:21,019 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 331 transitions, 733 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:35:21,022 INFO L242 Difference]: Finished difference. Result has 337 places, 331 transitions, 693 flow [2022-04-18 16:35:21,022 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=689, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=331, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=693, PETRI_PLACES=337, PETRI_TRANSITIONS=331} [2022-04-18 16:35:21,023 INFO L335 CegarLoopForPetriNet]: 448 programPoint places, -111 predicate places. [2022-04-18 16:35:21,023 INFO L478 AbstractCegarLoop]: Abstraction has has 337 places, 331 transitions, 693 flow [2022-04-18 16:35:21,023 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:21,023 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:21,023 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:21,023 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-04-18 16:35:21,023 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:35:21,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:21,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1591464817, now seen corresponding path program 1 times [2022-04-18 16:35:21,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:21,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027887192] [2022-04-18 16:35:21,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:21,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:21,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:21,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:21,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:21,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027887192] [2022-04-18 16:35:21,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027887192] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:21,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:21,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:21,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091556271] [2022-04-18 16:35:21,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:21,058 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:21,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:21,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:21,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:21,060 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 479 [2022-04-18 16:35:21,061 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 331 transitions, 693 flow. Second operand has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:21,061 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:21,061 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 479 [2022-04-18 16:35:21,061 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:21,218 INFO L129 PetriNetUnfolder]: 223/1026 cut-off events. [2022-04-18 16:35:21,218 INFO L130 PetriNetUnfolder]: For 165/201 co-relation queries the response was YES. [2022-04-18 16:35:21,220 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1562 conditions, 1026 events. 223/1026 cut-off events. For 165/201 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 4892 event pairs, 146 based on Foata normal form. 0/927 useless extension candidates. Maximal degree in co-relation 1496. Up to 352 conditions per place. [2022-04-18 16:35:21,223 INFO L132 encePairwiseOnDemand]: 476/479 looper letters, 20 selfloop transitions, 2 changer transitions 0/330 dead transitions. [2022-04-18 16:35:21,223 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 338 places, 330 transitions, 735 flow [2022-04-18 16:35:21,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:21,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:21,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1091 transitions. [2022-04-18 16:35:21,225 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7592205984690327 [2022-04-18 16:35:21,225 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1091 transitions. [2022-04-18 16:35:21,225 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1091 transitions. [2022-04-18 16:35:21,226 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:21,226 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1091 transitions. [2022-04-18 16:35:21,227 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 363.6666666666667) internal successors, (1091), 3 states have internal predecessors, (1091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:21,229 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:21,229 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:21,229 INFO L186 Difference]: Start difference. First operand has 337 places, 331 transitions, 693 flow. Second operand 3 states and 1091 transitions. [2022-04-18 16:35:21,229 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 338 places, 330 transitions, 735 flow [2022-04-18 16:35:21,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 336 places, 330 transitions, 731 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:21,234 INFO L242 Difference]: Finished difference. Result has 336 places, 330 transitions, 691 flow [2022-04-18 16:35:21,234 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=687, PETRI_DIFFERENCE_MINUEND_PLACES=334, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=330, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=328, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=691, PETRI_PLACES=336, PETRI_TRANSITIONS=330} [2022-04-18 16:35:21,234 INFO L335 CegarLoopForPetriNet]: 448 programPoint places, -112 predicate places. [2022-04-18 16:35:21,234 INFO L478 AbstractCegarLoop]: Abstraction has has 336 places, 330 transitions, 691 flow [2022-04-18 16:35:21,235 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:21,235 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:21,235 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:21,235 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-04-18 16:35:21,235 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:35:21,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:21,235 INFO L85 PathProgramCache]: Analyzing trace with hash -2004363717, now seen corresponding path program 1 times [2022-04-18 16:35:21,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:21,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073357369] [2022-04-18 16:35:21,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:21,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:21,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:21,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:21,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:21,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073357369] [2022-04-18 16:35:21,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073357369] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:21,267 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:21,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:21,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204806123] [2022-04-18 16:35:21,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:21,268 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:21,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:21,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:21,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:21,270 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 479 [2022-04-18 16:35:21,270 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 336 places, 330 transitions, 691 flow. Second operand has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:21,270 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:21,270 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 479 [2022-04-18 16:35:21,271 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:21,431 INFO L129 PetriNetUnfolder]: 223/1025 cut-off events. [2022-04-18 16:35:21,431 INFO L130 PetriNetUnfolder]: For 165/201 co-relation queries the response was YES. [2022-04-18 16:35:21,434 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1561 conditions, 1025 events. 223/1025 cut-off events. For 165/201 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 4922 event pairs, 146 based on Foata normal form. 0/927 useless extension candidates. Maximal degree in co-relation 1495. Up to 352 conditions per place. [2022-04-18 16:35:21,437 INFO L132 encePairwiseOnDemand]: 476/479 looper letters, 20 selfloop transitions, 2 changer transitions 0/329 dead transitions. [2022-04-18 16:35:21,437 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 337 places, 329 transitions, 733 flow [2022-04-18 16:35:21,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:21,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:21,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1091 transitions. [2022-04-18 16:35:21,439 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7592205984690327 [2022-04-18 16:35:21,439 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1091 transitions. [2022-04-18 16:35:21,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1091 transitions. [2022-04-18 16:35:21,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:21,440 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1091 transitions. [2022-04-18 16:35:21,441 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 363.6666666666667) internal successors, (1091), 3 states have internal predecessors, (1091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:21,442 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:21,443 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:21,443 INFO L186 Difference]: Start difference. First operand has 336 places, 330 transitions, 691 flow. Second operand 3 states and 1091 transitions. [2022-04-18 16:35:21,443 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 337 places, 329 transitions, 733 flow [2022-04-18 16:35:21,444 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 335 places, 329 transitions, 729 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:21,463 INFO L242 Difference]: Finished difference. Result has 335 places, 329 transitions, 689 flow [2022-04-18 16:35:21,463 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=685, PETRI_DIFFERENCE_MINUEND_PLACES=333, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=329, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=327, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=689, PETRI_PLACES=335, PETRI_TRANSITIONS=329} [2022-04-18 16:35:21,464 INFO L335 CegarLoopForPetriNet]: 448 programPoint places, -113 predicate places. [2022-04-18 16:35:21,465 INFO L478 AbstractCegarLoop]: Abstraction has has 335 places, 329 transitions, 689 flow [2022-04-18 16:35:21,465 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:21,465 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:21,465 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:21,465 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-04-18 16:35:21,465 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:35:21,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:21,466 INFO L85 PathProgramCache]: Analyzing trace with hash 11671509, now seen corresponding path program 1 times [2022-04-18 16:35:21,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:21,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95441571] [2022-04-18 16:35:21,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:21,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:21,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:21,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:21,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:21,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95441571] [2022-04-18 16:35:21,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95441571] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:21,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:21,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:35:21,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174792100] [2022-04-18 16:35:21,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:21,571 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:35:21,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:21,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:35:21,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:35:21,573 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 479 [2022-04-18 16:35:21,574 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 335 places, 329 transitions, 689 flow. Second operand has 6 states, 6 states have (on average 323.0) internal successors, (1938), 6 states have internal predecessors, (1938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:21,574 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:21,574 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 479 [2022-04-18 16:35:21,574 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:22,513 INFO L129 PetriNetUnfolder]: 1687/3138 cut-off events. [2022-04-18 16:35:22,513 INFO L130 PetriNetUnfolder]: For 882/882 co-relation queries the response was YES. [2022-04-18 16:35:22,522 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6531 conditions, 3138 events. 1687/3138 cut-off events. For 882/882 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 15996 event pairs, 233 based on Foata normal form. 0/3022 useless extension candidates. Maximal degree in co-relation 6464. Up to 1216 conditions per place. [2022-04-18 16:35:22,538 INFO L132 encePairwiseOnDemand]: 474/479 looper letters, 93 selfloop transitions, 4 changer transitions 0/372 dead transitions. [2022-04-18 16:35:22,539 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 339 places, 372 transitions, 1017 flow [2022-04-18 16:35:22,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:35:22,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:35:22,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2009 transitions. [2022-04-18 16:35:22,542 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.6990257480862909 [2022-04-18 16:35:22,543 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2009 transitions. [2022-04-18 16:35:22,543 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2009 transitions. [2022-04-18 16:35:22,544 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:22,544 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2009 transitions. [2022-04-18 16:35:22,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 334.8333333333333) internal successors, (2009), 6 states have internal predecessors, (2009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:22,549 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:22,549 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:22,550 INFO L186 Difference]: Start difference. First operand has 335 places, 329 transitions, 689 flow. Second operand 6 states and 2009 transitions. [2022-04-18 16:35:22,550 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 339 places, 372 transitions, 1017 flow [2022-04-18 16:35:22,552 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 372 transitions, 1013 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:22,554 INFO L242 Difference]: Finished difference. Result has 337 places, 328 transitions, 691 flow [2022-04-18 16:35:22,555 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=683, PETRI_DIFFERENCE_MINUEND_PLACES=332, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=328, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=324, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=691, PETRI_PLACES=337, PETRI_TRANSITIONS=328} [2022-04-18 16:35:22,555 INFO L335 CegarLoopForPetriNet]: 448 programPoint places, -111 predicate places. [2022-04-18 16:35:22,555 INFO L478 AbstractCegarLoop]: Abstraction has has 337 places, 328 transitions, 691 flow [2022-04-18 16:35:22,556 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 323.0) internal successors, (1938), 6 states have internal predecessors, (1938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:22,556 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:22,556 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:22,556 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-04-18 16:35:22,557 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:35:22,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:22,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1603083257, now seen corresponding path program 1 times [2022-04-18 16:35:22,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:22,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658604031] [2022-04-18 16:35:22,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:22,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:22,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:22,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:22,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:22,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658604031] [2022-04-18 16:35:22,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658604031] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:22,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:22,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:35:22,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494045795] [2022-04-18 16:35:22,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:22,659 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:35:22,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:22,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:35:22,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:35:22,661 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 479 [2022-04-18 16:35:22,662 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 328 transitions, 691 flow. Second operand has 6 states, 6 states have (on average 324.0) internal successors, (1944), 6 states have internal predecessors, (1944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:22,662 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:22,662 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 479 [2022-04-18 16:35:22,662 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:23,540 INFO L129 PetriNetUnfolder]: 1512/2950 cut-off events. [2022-04-18 16:35:23,540 INFO L130 PetriNetUnfolder]: For 903/903 co-relation queries the response was YES. [2022-04-18 16:35:23,546 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6258 conditions, 2950 events. 1512/2950 cut-off events. For 903/903 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 15202 event pairs, 837 based on Foata normal form. 0/2818 useless extension candidates. Maximal degree in co-relation 6191. Up to 1608 conditions per place. [2022-04-18 16:35:23,555 INFO L132 encePairwiseOnDemand]: 474/479 looper letters, 72 selfloop transitions, 4 changer transitions 0/351 dead transitions. [2022-04-18 16:35:23,555 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 351 transitions, 921 flow [2022-04-18 16:35:23,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:35:23,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:35:23,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1992 transitions. [2022-04-18 16:35:23,558 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.6931106471816284 [2022-04-18 16:35:23,558 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1992 transitions. [2022-04-18 16:35:23,558 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1992 transitions. [2022-04-18 16:35:23,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:23,559 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1992 transitions. [2022-04-18 16:35:23,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 332.0) internal successors, (1992), 6 states have internal predecessors, (1992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:23,565 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:23,565 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:23,565 INFO L186 Difference]: Start difference. First operand has 337 places, 328 transitions, 691 flow. Second operand 6 states and 1992 transitions. [2022-04-18 16:35:23,565 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 351 transitions, 921 flow [2022-04-18 16:35:23,567 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 351 transitions, 914 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-04-18 16:35:23,573 INFO L242 Difference]: Finished difference. Result has 337 places, 327 transitions, 690 flow [2022-04-18 16:35:23,574 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=682, PETRI_DIFFERENCE_MINUEND_PLACES=332, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=327, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=323, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=690, PETRI_PLACES=337, PETRI_TRANSITIONS=327} [2022-04-18 16:35:23,574 INFO L335 CegarLoopForPetriNet]: 448 programPoint places, -111 predicate places. [2022-04-18 16:35:23,574 INFO L478 AbstractCegarLoop]: Abstraction has has 337 places, 327 transitions, 690 flow [2022-04-18 16:35:23,575 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 324.0) internal successors, (1944), 6 states have internal predecessors, (1944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:23,575 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:23,575 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:23,575 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-04-18 16:35:23,575 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:35:23,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:23,575 INFO L85 PathProgramCache]: Analyzing trace with hash -103201873, now seen corresponding path program 1 times [2022-04-18 16:35:23,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:23,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907290387] [2022-04-18 16:35:23,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:23,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:23,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:23,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:23,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907290387] [2022-04-18 16:35:23,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907290387] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:23,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:23,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:35:23,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075740885] [2022-04-18 16:35:23,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:23,665 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:35:23,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:23,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:35:23,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:35:23,667 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 479 [2022-04-18 16:35:23,668 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 327 transitions, 690 flow. Second operand has 6 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:23,668 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:23,668 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 479 [2022-04-18 16:35:23,668 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:24,303 INFO L129 PetriNetUnfolder]: 1489/2909 cut-off events. [2022-04-18 16:35:24,303 INFO L130 PetriNetUnfolder]: For 786/786 co-relation queries the response was YES. [2022-04-18 16:35:24,308 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6082 conditions, 2909 events. 1489/2909 cut-off events. For 786/786 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 14898 event pairs, 1015 based on Foata normal form. 0/2817 useless extension candidates. Maximal degree in co-relation 6015. Up to 1995 conditions per place. [2022-04-18 16:35:24,315 INFO L132 encePairwiseOnDemand]: 474/479 looper letters, 59 selfloop transitions, 4 changer transitions 0/338 dead transitions. [2022-04-18 16:35:24,315 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 338 transitions, 854 flow [2022-04-18 16:35:24,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:35:24,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:35:24,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1983 transitions. [2022-04-18 16:35:24,319 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.6899791231732777 [2022-04-18 16:35:24,319 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1983 transitions. [2022-04-18 16:35:24,319 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1983 transitions. [2022-04-18 16:35:24,320 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:24,320 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1983 transitions. [2022-04-18 16:35:24,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 330.5) internal successors, (1983), 6 states have internal predecessors, (1983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:24,325 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:24,326 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:24,326 INFO L186 Difference]: Start difference. First operand has 337 places, 327 transitions, 690 flow. Second operand 6 states and 1983 transitions. [2022-04-18 16:35:24,326 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 338 transitions, 854 flow [2022-04-18 16:35:24,328 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 338 transitions, 847 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-04-18 16:35:24,330 INFO L242 Difference]: Finished difference. Result has 337 places, 326 transitions, 689 flow [2022-04-18 16:35:24,331 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=681, PETRI_DIFFERENCE_MINUEND_PLACES=332, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=326, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=322, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=689, PETRI_PLACES=337, PETRI_TRANSITIONS=326} [2022-04-18 16:35:24,331 INFO L335 CegarLoopForPetriNet]: 448 programPoint places, -111 predicate places. [2022-04-18 16:35:24,331 INFO L478 AbstractCegarLoop]: Abstraction has has 337 places, 326 transitions, 689 flow [2022-04-18 16:35:24,332 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:24,332 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:24,332 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:24,332 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-04-18 16:35:24,332 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:35:24,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:24,333 INFO L85 PathProgramCache]: Analyzing trace with hash -193955788, now seen corresponding path program 1 times [2022-04-18 16:35:24,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:24,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012631547] [2022-04-18 16:35:24,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:24,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:24,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:24,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:24,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012631547] [2022-04-18 16:35:24,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012631547] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:24,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:24,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:24,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693747402] [2022-04-18 16:35:24,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:24,372 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:24,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:24,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:24,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:24,374 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 479 [2022-04-18 16:35:24,375 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 326 transitions, 689 flow. Second operand has 3 states, 3 states have (on average 360.3333333333333) internal successors, (1081), 3 states have internal predecessors, (1081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:24,375 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:24,375 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 479 [2022-04-18 16:35:24,375 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:24,511 INFO L129 PetriNetUnfolder]: 223/1007 cut-off events. [2022-04-18 16:35:24,511 INFO L130 PetriNetUnfolder]: For 165/201 co-relation queries the response was YES. [2022-04-18 16:35:24,513 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1574 conditions, 1007 events. 223/1007 cut-off events. For 165/201 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 4763 event pairs, 146 based on Foata normal form. 8/927 useless extension candidates. Maximal degree in co-relation 1507. Up to 351 conditions per place. [2022-04-18 16:35:24,514 INFO L132 encePairwiseOnDemand]: 477/479 looper letters, 0 selfloop transitions, 0 changer transitions 325/325 dead transitions. [2022-04-18 16:35:24,514 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 338 places, 325 transitions, 727 flow [2022-04-18 16:35:24,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:24,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:24,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1089 transitions. [2022-04-18 16:35:24,517 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7578288100208769 [2022-04-18 16:35:24,517 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1089 transitions. [2022-04-18 16:35:24,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1089 transitions. [2022-04-18 16:35:24,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:24,517 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1089 transitions. [2022-04-18 16:35:24,519 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 363.0) internal successors, (1089), 3 states have internal predecessors, (1089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:24,520 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:24,520 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:24,521 INFO L186 Difference]: Start difference. First operand has 337 places, 326 transitions, 689 flow. Second operand 3 states and 1089 transitions. [2022-04-18 16:35:24,521 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 338 places, 325 transitions, 727 flow [2022-04-18 16:35:24,522 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 334 places, 325 transitions, 720 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-04-18 16:35:24,524 INFO L242 Difference]: Finished difference. Result has 334 places, 0 transitions, 0 flow [2022-04-18 16:35:24,524 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=680, PETRI_DIFFERENCE_MINUEND_PLACES=332, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=325, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=334, PETRI_TRANSITIONS=0} [2022-04-18 16:35:24,525 INFO L335 CegarLoopForPetriNet]: 448 programPoint places, -114 predicate places. [2022-04-18 16:35:24,525 INFO L478 AbstractCegarLoop]: Abstraction has has 334 places, 0 transitions, 0 flow [2022-04-18 16:35:24,525 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 360.3333333333333) internal successors, (1081), 3 states have internal predecessors, (1081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:24,528 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (206 of 207 remaining) [2022-04-18 16:35:24,528 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (205 of 207 remaining) [2022-04-18 16:35:24,528 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (204 of 207 remaining) [2022-04-18 16:35:24,528 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (203 of 207 remaining) [2022-04-18 16:35:24,528 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (202 of 207 remaining) [2022-04-18 16:35:24,529 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (201 of 207 remaining) [2022-04-18 16:35:24,529 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (200 of 207 remaining) [2022-04-18 16:35:24,529 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (199 of 207 remaining) [2022-04-18 16:35:24,529 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (198 of 207 remaining) [2022-04-18 16:35:24,529 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (197 of 207 remaining) [2022-04-18 16:35:24,529 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (196 of 207 remaining) [2022-04-18 16:35:24,529 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (195 of 207 remaining) [2022-04-18 16:35:24,529 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (194 of 207 remaining) [2022-04-18 16:35:24,530 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (193 of 207 remaining) [2022-04-18 16:35:24,530 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (192 of 207 remaining) [2022-04-18 16:35:24,530 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (191 of 207 remaining) [2022-04-18 16:35:24,530 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (190 of 207 remaining) [2022-04-18 16:35:24,530 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (189 of 207 remaining) [2022-04-18 16:35:24,530 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (188 of 207 remaining) [2022-04-18 16:35:24,530 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (187 of 207 remaining) [2022-04-18 16:35:24,530 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (186 of 207 remaining) [2022-04-18 16:35:24,531 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (185 of 207 remaining) [2022-04-18 16:35:24,531 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (184 of 207 remaining) [2022-04-18 16:35:24,531 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (183 of 207 remaining) [2022-04-18 16:35:24,532 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (182 of 207 remaining) [2022-04-18 16:35:24,532 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err25ASSERT_VIOLATIONDATA_RACE (181 of 207 remaining) [2022-04-18 16:35:24,533 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err26ASSERT_VIOLATIONDATA_RACE (180 of 207 remaining) [2022-04-18 16:35:24,533 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err27ASSERT_VIOLATIONDATA_RACE (179 of 207 remaining) [2022-04-18 16:35:24,533 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err28ASSERT_VIOLATIONDATA_RACE (178 of 207 remaining) [2022-04-18 16:35:24,533 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err29ASSERT_VIOLATIONDATA_RACE (177 of 207 remaining) [2022-04-18 16:35:24,533 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err30ASSERT_VIOLATIONDATA_RACE (176 of 207 remaining) [2022-04-18 16:35:24,533 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err31ASSERT_VIOLATIONDATA_RACE (175 of 207 remaining) [2022-04-18 16:35:24,533 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err32ASSERT_VIOLATIONDATA_RACE (174 of 207 remaining) [2022-04-18 16:35:24,533 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err33ASSERT_VIOLATIONDATA_RACE (173 of 207 remaining) [2022-04-18 16:35:24,534 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err34ASSERT_VIOLATIONDATA_RACE (172 of 207 remaining) [2022-04-18 16:35:24,534 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err35ASSERT_VIOLATIONDATA_RACE (171 of 207 remaining) [2022-04-18 16:35:24,534 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err36ASSERT_VIOLATIONDATA_RACE (170 of 207 remaining) [2022-04-18 16:35:24,534 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err37ASSERT_VIOLATIONDATA_RACE (169 of 207 remaining) [2022-04-18 16:35:24,534 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err38ASSERT_VIOLATIONDATA_RACE (168 of 207 remaining) [2022-04-18 16:35:24,534 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err39ASSERT_VIOLATIONDATA_RACE (167 of 207 remaining) [2022-04-18 16:35:24,534 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err40ASSERT_VIOLATIONDATA_RACE (166 of 207 remaining) [2022-04-18 16:35:24,534 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err41ASSERT_VIOLATIONDATA_RACE (165 of 207 remaining) [2022-04-18 16:35:24,535 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err42ASSERT_VIOLATIONDATA_RACE (164 of 207 remaining) [2022-04-18 16:35:24,535 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err43ASSERT_VIOLATIONDATA_RACE (163 of 207 remaining) [2022-04-18 16:35:24,535 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (162 of 207 remaining) [2022-04-18 16:35:24,535 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (161 of 207 remaining) [2022-04-18 16:35:24,535 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (160 of 207 remaining) [2022-04-18 16:35:24,535 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (159 of 207 remaining) [2022-04-18 16:35:24,535 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (158 of 207 remaining) [2022-04-18 16:35:24,535 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (157 of 207 remaining) [2022-04-18 16:35:24,536 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (156 of 207 remaining) [2022-04-18 16:35:24,536 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (155 of 207 remaining) [2022-04-18 16:35:24,536 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (154 of 207 remaining) [2022-04-18 16:35:24,536 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (153 of 207 remaining) [2022-04-18 16:35:24,536 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (152 of 207 remaining) [2022-04-18 16:35:24,536 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (151 of 207 remaining) [2022-04-18 16:35:24,536 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (150 of 207 remaining) [2022-04-18 16:35:24,536 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (149 of 207 remaining) [2022-04-18 16:35:24,537 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (148 of 207 remaining) [2022-04-18 16:35:24,537 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (147 of 207 remaining) [2022-04-18 16:35:24,537 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (146 of 207 remaining) [2022-04-18 16:35:24,543 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (145 of 207 remaining) [2022-04-18 16:35:24,543 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (144 of 207 remaining) [2022-04-18 16:35:24,543 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (143 of 207 remaining) [2022-04-18 16:35:24,543 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (142 of 207 remaining) [2022-04-18 16:35:24,543 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (141 of 207 remaining) [2022-04-18 16:35:24,544 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (140 of 207 remaining) [2022-04-18 16:35:24,544 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (139 of 207 remaining) [2022-04-18 16:35:24,544 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (138 of 207 remaining) [2022-04-18 16:35:24,544 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (137 of 207 remaining) [2022-04-18 16:35:24,544 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (136 of 207 remaining) [2022-04-18 16:35:24,544 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (135 of 207 remaining) [2022-04-18 16:35:24,544 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (134 of 207 remaining) [2022-04-18 16:35:24,545 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (133 of 207 remaining) [2022-04-18 16:35:24,545 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (132 of 207 remaining) [2022-04-18 16:35:24,545 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (131 of 207 remaining) [2022-04-18 16:35:24,545 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (130 of 207 remaining) [2022-04-18 16:35:24,545 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (129 of 207 remaining) [2022-04-18 16:35:24,545 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (128 of 207 remaining) [2022-04-18 16:35:24,545 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (127 of 207 remaining) [2022-04-18 16:35:24,546 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (126 of 207 remaining) [2022-04-18 16:35:24,546 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (125 of 207 remaining) [2022-04-18 16:35:24,546 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (124 of 207 remaining) [2022-04-18 16:35:24,546 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (123 of 207 remaining) [2022-04-18 16:35:24,546 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (122 of 207 remaining) [2022-04-18 16:35:24,546 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (121 of 207 remaining) [2022-04-18 16:35:24,546 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONDATA_RACE (120 of 207 remaining) [2022-04-18 16:35:24,547 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONDATA_RACE (119 of 207 remaining) [2022-04-18 16:35:24,547 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (118 of 207 remaining) [2022-04-18 16:35:24,547 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (117 of 207 remaining) [2022-04-18 16:35:24,547 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (116 of 207 remaining) [2022-04-18 16:35:24,547 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (115 of 207 remaining) [2022-04-18 16:35:24,547 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (114 of 207 remaining) [2022-04-18 16:35:24,547 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (113 of 207 remaining) [2022-04-18 16:35:24,548 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (112 of 207 remaining) [2022-04-18 16:35:24,548 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (111 of 207 remaining) [2022-04-18 16:35:24,548 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (110 of 207 remaining) [2022-04-18 16:35:24,548 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (109 of 207 remaining) [2022-04-18 16:35:24,548 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (108 of 207 remaining) [2022-04-18 16:35:24,548 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (107 of 207 remaining) [2022-04-18 16:35:24,548 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (106 of 207 remaining) [2022-04-18 16:35:24,549 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (105 of 207 remaining) [2022-04-18 16:35:24,549 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (104 of 207 remaining) [2022-04-18 16:35:24,549 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (103 of 207 remaining) [2022-04-18 16:35:24,549 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (102 of 207 remaining) [2022-04-18 16:35:24,549 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (101 of 207 remaining) [2022-04-18 16:35:24,549 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (100 of 207 remaining) [2022-04-18 16:35:24,549 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (99 of 207 remaining) [2022-04-18 16:35:24,550 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (98 of 207 remaining) [2022-04-18 16:35:24,550 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (97 of 207 remaining) [2022-04-18 16:35:24,550 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (96 of 207 remaining) [2022-04-18 16:35:24,550 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (95 of 207 remaining) [2022-04-18 16:35:24,550 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (94 of 207 remaining) [2022-04-18 16:35:24,550 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (93 of 207 remaining) [2022-04-18 16:35:24,550 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (92 of 207 remaining) [2022-04-18 16:35:24,551 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (91 of 207 remaining) [2022-04-18 16:35:24,551 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (90 of 207 remaining) [2022-04-18 16:35:24,551 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (89 of 207 remaining) [2022-04-18 16:35:24,551 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (88 of 207 remaining) [2022-04-18 16:35:24,551 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (87 of 207 remaining) [2022-04-18 16:35:24,551 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (86 of 207 remaining) [2022-04-18 16:35:24,551 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (85 of 207 remaining) [2022-04-18 16:35:24,552 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (84 of 207 remaining) [2022-04-18 16:35:24,552 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (83 of 207 remaining) [2022-04-18 16:35:24,552 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (82 of 207 remaining) [2022-04-18 16:35:24,552 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (81 of 207 remaining) [2022-04-18 16:35:24,552 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (80 of 207 remaining) [2022-04-18 16:35:24,552 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (79 of 207 remaining) [2022-04-18 16:35:24,552 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (78 of 207 remaining) [2022-04-18 16:35:24,553 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (77 of 207 remaining) [2022-04-18 16:35:24,553 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (76 of 207 remaining) [2022-04-18 16:35:24,553 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (75 of 207 remaining) [2022-04-18 16:35:24,553 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (74 of 207 remaining) [2022-04-18 16:35:24,553 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (73 of 207 remaining) [2022-04-18 16:35:24,553 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (72 of 207 remaining) [2022-04-18 16:35:24,553 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (71 of 207 remaining) [2022-04-18 16:35:24,554 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (70 of 207 remaining) [2022-04-18 16:35:24,554 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (69 of 207 remaining) [2022-04-18 16:35:24,554 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (68 of 207 remaining) [2022-04-18 16:35:24,554 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (67 of 207 remaining) [2022-04-18 16:35:24,554 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (66 of 207 remaining) [2022-04-18 16:35:24,554 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (65 of 207 remaining) [2022-04-18 16:35:24,554 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (64 of 207 remaining) [2022-04-18 16:35:24,555 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (63 of 207 remaining) [2022-04-18 16:35:24,555 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err25ASSERT_VIOLATIONDATA_RACE (62 of 207 remaining) [2022-04-18 16:35:24,555 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err26ASSERT_VIOLATIONDATA_RACE (61 of 207 remaining) [2022-04-18 16:35:24,555 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err27ASSERT_VIOLATIONDATA_RACE (60 of 207 remaining) [2022-04-18 16:35:24,555 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err28ASSERT_VIOLATIONDATA_RACE (59 of 207 remaining) [2022-04-18 16:35:24,555 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err29ASSERT_VIOLATIONDATA_RACE (58 of 207 remaining) [2022-04-18 16:35:24,555 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err30ASSERT_VIOLATIONDATA_RACE (57 of 207 remaining) [2022-04-18 16:35:24,556 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err31ASSERT_VIOLATIONDATA_RACE (56 of 207 remaining) [2022-04-18 16:35:24,556 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err32ASSERT_VIOLATIONDATA_RACE (55 of 207 remaining) [2022-04-18 16:35:24,556 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err33ASSERT_VIOLATIONDATA_RACE (54 of 207 remaining) [2022-04-18 16:35:24,556 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err34ASSERT_VIOLATIONDATA_RACE (53 of 207 remaining) [2022-04-18 16:35:24,556 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err35ASSERT_VIOLATIONDATA_RACE (52 of 207 remaining) [2022-04-18 16:35:24,556 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err36ASSERT_VIOLATIONDATA_RACE (51 of 207 remaining) [2022-04-18 16:35:24,556 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err37ASSERT_VIOLATIONDATA_RACE (50 of 207 remaining) [2022-04-18 16:35:24,557 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err38ASSERT_VIOLATIONDATA_RACE (49 of 207 remaining) [2022-04-18 16:35:24,557 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err39ASSERT_VIOLATIONDATA_RACE (48 of 207 remaining) [2022-04-18 16:35:24,557 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err40ASSERT_VIOLATIONDATA_RACE (47 of 207 remaining) [2022-04-18 16:35:24,557 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err41ASSERT_VIOLATIONDATA_RACE (46 of 207 remaining) [2022-04-18 16:35:24,557 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err42ASSERT_VIOLATIONDATA_RACE (45 of 207 remaining) [2022-04-18 16:35:24,557 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err43ASSERT_VIOLATIONDATA_RACE (44 of 207 remaining) [2022-04-18 16:35:24,557 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (43 of 207 remaining) [2022-04-18 16:35:24,558 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (42 of 207 remaining) [2022-04-18 16:35:24,558 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (41 of 207 remaining) [2022-04-18 16:35:24,558 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (40 of 207 remaining) [2022-04-18 16:35:24,558 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (39 of 207 remaining) [2022-04-18 16:35:24,558 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (38 of 207 remaining) [2022-04-18 16:35:24,558 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (37 of 207 remaining) [2022-04-18 16:35:24,558 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (36 of 207 remaining) [2022-04-18 16:35:24,559 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (35 of 207 remaining) [2022-04-18 16:35:24,559 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (34 of 207 remaining) [2022-04-18 16:35:24,559 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (33 of 207 remaining) [2022-04-18 16:35:24,559 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (32 of 207 remaining) [2022-04-18 16:35:24,559 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (31 of 207 remaining) [2022-04-18 16:35:24,559 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (30 of 207 remaining) [2022-04-18 16:35:24,559 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (29 of 207 remaining) [2022-04-18 16:35:24,560 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (28 of 207 remaining) [2022-04-18 16:35:24,560 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (27 of 207 remaining) [2022-04-18 16:35:24,560 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (26 of 207 remaining) [2022-04-18 16:35:24,560 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (25 of 207 remaining) [2022-04-18 16:35:24,560 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (24 of 207 remaining) [2022-04-18 16:35:24,560 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (23 of 207 remaining) [2022-04-18 16:35:24,560 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (22 of 207 remaining) [2022-04-18 16:35:24,561 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (21 of 207 remaining) [2022-04-18 16:35:24,561 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (20 of 207 remaining) [2022-04-18 16:35:24,561 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (19 of 207 remaining) [2022-04-18 16:35:24,561 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (18 of 207 remaining) [2022-04-18 16:35:24,561 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (17 of 207 remaining) [2022-04-18 16:35:24,561 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (16 of 207 remaining) [2022-04-18 16:35:24,561 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (15 of 207 remaining) [2022-04-18 16:35:24,562 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (14 of 207 remaining) [2022-04-18 16:35:24,562 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (13 of 207 remaining) [2022-04-18 16:35:24,562 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (12 of 207 remaining) [2022-04-18 16:35:24,562 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (11 of 207 remaining) [2022-04-18 16:35:24,562 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (10 of 207 remaining) [2022-04-18 16:35:24,562 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (9 of 207 remaining) [2022-04-18 16:35:24,562 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (8 of 207 remaining) [2022-04-18 16:35:24,563 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (7 of 207 remaining) [2022-04-18 16:35:24,563 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (6 of 207 remaining) [2022-04-18 16:35:24,563 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (5 of 207 remaining) [2022-04-18 16:35:24,563 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (4 of 207 remaining) [2022-04-18 16:35:24,563 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (3 of 207 remaining) [2022-04-18 16:35:24,563 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (2 of 207 remaining) [2022-04-18 16:35:24,563 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONDATA_RACE (1 of 207 remaining) [2022-04-18 16:35:24,564 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONDATA_RACE (0 of 207 remaining) [2022-04-18 16:35:24,564 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-04-18 16:35:24,567 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:24,572 INFO L227 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-04-18 16:35:24,572 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-18 16:35:24,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 04:35:24 BasicIcfg [2022-04-18 16:35:24,576 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-18 16:35:24,577 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-04-18 16:35:24,577 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-04-18 16:35:24,577 INFO L275 PluginConnector]: Witness Printer initialized [2022-04-18 16:35:24,577 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:35:16" (3/4) ... [2022-04-18 16:35:24,579 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-04-18 16:35:24,582 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-04-18 16:35:24,582 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-04-18 16:35:24,582 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-04-18 16:35:24,592 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2022-04-18 16:35:24,592 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-04-18 16:35:24,593 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-04-18 16:35:24,593 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-04-18 16:35:24,641 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-04-18 16:35:24,641 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-04-18 16:35:24,641 INFO L158 Benchmark]: Toolchain (without parser) took 9745.91ms. Allocated memory was 107.0MB in the beginning and 1.0GB in the end (delta: 924.8MB). Free memory was 73.6MB in the beginning and 941.4MB in the end (delta: -867.8MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. [2022-04-18 16:35:24,642 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 107.0MB. Free memory is still 61.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 16:35:24,642 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.93ms. Allocated memory is still 107.0MB. Free memory was 73.3MB in the beginning and 76.7MB in the end (delta: -3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-04-18 16:35:24,642 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.12ms. Allocated memory is still 107.0MB. Free memory was 76.7MB in the beginning and 72.0MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-04-18 16:35:24,642 INFO L158 Benchmark]: Boogie Preprocessor took 36.60ms. Allocated memory is still 107.0MB. Free memory was 72.0MB in the beginning and 68.4MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 16:35:24,643 INFO L158 Benchmark]: RCFGBuilder took 1318.96ms. Allocated memory was 107.0MB in the beginning and 167.8MB in the end (delta: 60.8MB). Free memory was 68.2MB in the beginning and 119.8MB in the end (delta: -51.7MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. [2022-04-18 16:35:24,643 INFO L158 Benchmark]: TraceAbstraction took 8007.47ms. Allocated memory was 167.8MB in the beginning and 1.0GB in the end (delta: 864.0MB). Free memory was 119.8MB in the beginning and 947.7MB in the end (delta: -827.9MB). Peak memory consumption was 347.6MB. Max. memory is 16.1GB. [2022-04-18 16:35:24,643 INFO L158 Benchmark]: Witness Printer took 64.34ms. Allocated memory is still 1.0GB. Free memory was 947.7MB in the beginning and 941.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-04-18 16:35:24,647 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 107.0MB. Free memory is still 61.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 264.93ms. Allocated memory is still 107.0MB. Free memory was 73.3MB in the beginning and 76.7MB in the end (delta: -3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.12ms. Allocated memory is still 107.0MB. Free memory was 76.7MB in the beginning and 72.0MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.60ms. Allocated memory is still 107.0MB. Free memory was 72.0MB in the beginning and 68.4MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1318.96ms. Allocated memory was 107.0MB in the beginning and 167.8MB in the end (delta: 60.8MB). Free memory was 68.2MB in the beginning and 119.8MB in the end (delta: -51.7MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. * TraceAbstraction took 8007.47ms. Allocated memory was 167.8MB in the beginning and 1.0GB in the end (delta: 864.0MB). Free memory was 119.8MB in the beginning and 947.7MB in the end (delta: -827.9MB). Peak memory consumption was 347.6MB. Max. memory is 16.1GB. * Witness Printer took 64.34ms. Allocated memory is still 1.0GB. Free memory was 947.7MB in the beginning and 941.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 123]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 123]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 124]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 124]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 159]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 129]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 129]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 159]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 132]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 132]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 159]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 136]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 143]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 144]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 145]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 147]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 578 locations, 207 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.8s, OverallIterations: 26, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 122 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 122 mSDsluCounter, 230 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 246 mSDsCounter, 151 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1232 IncrementalHoareTripleChecker+Invalid, 1383 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 151 mSolverCounterUnsat, 230 mSDtfsCounter, 1232 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=930occurred in iteration=0, InterpolantAutomatonStates: 90, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 3513 NumberOfCodeBlocks, 3513 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 3487 ConstructedInterpolants, 0 QuantifiedInterpolants, 3889 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 116 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-04-18 16:35:24,709 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE