./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-hard1.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/test-hard1.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 782f6af95152c43f9bba17dfd450d57dc3073723e35aa3f98da1f0b96067f4d1 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 16:36:40,158 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 16:36:40,160 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 16:36:40,203 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 16:36:40,203 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 16:36:40,204 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 16:36:40,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 16:36:40,208 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 16:36:40,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 16:36:40,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 16:36:40,215 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 16:36:40,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 16:36:40,217 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 16:36:40,218 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 16:36:40,219 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 16:36:40,222 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 16:36:40,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 16:36:40,224 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 16:36:40,225 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 16:36:40,228 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 16:36:40,230 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 16:36:40,231 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 16:36:40,231 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 16:36:40,232 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 16:36:40,234 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 16:36:40,237 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 16:36:40,237 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 16:36:40,237 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 16:36:40,238 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 16:36:40,238 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 16:36:40,239 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 16:36:40,240 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 16:36:40,241 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 16:36:40,241 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 16:36:40,242 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 16:36:40,242 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 16:36:40,242 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 16:36:40,243 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 16:36:40,243 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 16:36:40,243 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 16:36:40,244 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 16:36:40,245 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 16:36:40,246 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-04-18 16:36:40,269 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 16:36:40,270 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 16:36:40,270 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 16:36:40,270 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 16:36:40,271 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 16:36:40,271 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 16:36:40,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 16:36:40,271 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 16:36:40,271 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 16:36:40,272 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 16:36:40,272 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 16:36:40,273 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 16:36:40,273 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 16:36:40,273 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 16:36:40,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 16:36:40,273 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 16:36:40,273 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 16:36:40,273 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 16:36:40,274 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 16:36:40,275 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 16:36:40,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 16:36:40,275 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 16:36:40,275 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 16:36:40,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 16:36:40,275 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 16:36:40,276 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 16:36:40,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:36:40,276 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 16:36:40,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 16:36:40,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 16:36:40,276 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 16:36:40,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 16:36:40,277 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 16:36:40,277 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-04-18 16:36:40,277 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 16:36:40,277 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 782f6af95152c43f9bba17dfd450d57dc3073723e35aa3f98da1f0b96067f4d1 [2022-04-18 16:36:40,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 16:36:40,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 16:36:40,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 16:36:40,477 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 16:36:40,477 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 16:36:40,478 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-hard1.wvr.c [2022-04-18 16:36:40,537 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/744fdb082/34bcd066eeea4ccb89df92c11c93e35c/FLAG1e69d63db [2022-04-18 16:36:40,882 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 16:36:40,882 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-hard1.wvr.c [2022-04-18 16:36:40,888 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/744fdb082/34bcd066eeea4ccb89df92c11c93e35c/FLAG1e69d63db [2022-04-18 16:36:41,316 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/744fdb082/34bcd066eeea4ccb89df92c11c93e35c [2022-04-18 16:36:41,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 16:36:41,319 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 16:36:41,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 16:36:41,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 16:36:41,328 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 16:36:41,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:36:41" (1/1) ... [2022-04-18 16:36:41,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@546f89e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:36:41, skipping insertion in model container [2022-04-18 16:36:41,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:36:41" (1/1) ... [2022-04-18 16:36:41,333 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 16:36:41,347 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 16:36:41,498 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/test-hard1.wvr.c[3373,3386] [2022-04-18 16:36:41,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:36:41,504 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 16:36:41,524 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/test-hard1.wvr.c[3373,3386] [2022-04-18 16:36:41,526 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:36:41,535 INFO L208 MainTranslator]: Completed translation [2022-04-18 16:36:41,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:36:41 WrapperNode [2022-04-18 16:36:41,535 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 16:36:41,536 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 16:36:41,536 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 16:36:41,536 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 16:36:41,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:36:41" (1/1) ... [2022-04-18 16:36:41,547 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:36:41" (1/1) ... [2022-04-18 16:36:41,564 INFO L137 Inliner]: procedures = 24, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 149 [2022-04-18 16:36:41,564 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 16:36:41,565 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 16:36:41,565 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 16:36:41,565 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 16:36:41,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:36:41" (1/1) ... [2022-04-18 16:36:41,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:36:41" (1/1) ... [2022-04-18 16:36:41,574 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:36:41" (1/1) ... [2022-04-18 16:36:41,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:36:41" (1/1) ... [2022-04-18 16:36:41,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:36:41" (1/1) ... [2022-04-18 16:36:41,586 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:36:41" (1/1) ... [2022-04-18 16:36:41,588 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:36:41" (1/1) ... [2022-04-18 16:36:41,598 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 16:36:41,599 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 16:36:41,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 16:36:41,600 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 16:36:41,600 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:36:41" (1/1) ... [2022-04-18 16:36:41,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:36:41,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-18 16:36:41,627 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 16:36:41,633 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 16:36:41,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 16:36:41,664 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-04-18 16:36:41,664 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-04-18 16:36:41,664 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-04-18 16:36:41,664 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-04-18 16:36:41,664 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-04-18 16:36:41,664 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-04-18 16:36:41,664 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-04-18 16:36:41,664 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-04-18 16:36:41,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 16:36:41,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 16:36:41,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 16:36:41,665 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-04-18 16:36:41,665 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-04-18 16:36:41,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 16:36:41,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 16:36:41,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-18 16:36:41,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 16:36:41,666 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 16:36:41,728 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 16:36:41,729 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 16:36:42,084 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 16:36:42,211 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 16:36:42,211 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-04-18 16:36:42,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:36:42 BoogieIcfgContainer [2022-04-18 16:36:42,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 16:36:42,215 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 16:36:42,215 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 16:36:42,221 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 16:36:42,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 04:36:41" (1/3) ... [2022-04-18 16:36:42,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f00208c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:36:42, skipping insertion in model container [2022-04-18 16:36:42,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:36:41" (2/3) ... [2022-04-18 16:36:42,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f00208c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:36:42, skipping insertion in model container [2022-04-18 16:36:42,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:36:42" (3/3) ... [2022-04-18 16:36:42,223 INFO L111 eAbstractionObserver]: Analyzing ICFG test-hard1.wvr.c [2022-04-18 16:36:42,227 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 16:36:42,229 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 16:36:42,229 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 47 error locations. [2022-04-18 16:36:42,229 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 16:36:42,289 INFO L135 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-04-18 16:36:42,340 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 16:36:42,344 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 16:36:42,344 INFO L341 AbstractCegarLoop]: Starting to check reachability of 83 error locations. [2022-04-18 16:36:42,357 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 240 places, 238 transitions, 508 flow [2022-04-18 16:36:42,424 INFO L129 PetriNetUnfolder]: 11/234 cut-off events. [2022-04-18 16:36:42,425 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-04-18 16:36:42,433 INFO L84 FinitePrefix]: Finished finitePrefix Result has 251 conditions, 234 events. 11/234 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 255 event pairs, 0 based on Foata normal form. 0/176 useless extension candidates. Maximal degree in co-relation 158. Up to 2 conditions per place. [2022-04-18 16:36:42,433 INFO L82 GeneralOperation]: Start removeDead. Operand has 240 places, 238 transitions, 508 flow [2022-04-18 16:36:42,437 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 215 places, 212 transitions, 448 flow [2022-04-18 16:36:42,440 INFO L129 PetriNetUnfolder]: 0/25 cut-off events. [2022-04-18 16:36:42,441 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 16:36:42,441 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:36:42,442 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] [2022-04-18 16:36:42,442 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-04-18 16:36:42,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:36:42,446 INFO L85 PathProgramCache]: Analyzing trace with hash -4924633, now seen corresponding path program 1 times [2022-04-18 16:36:42,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:36:42,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448832194] [2022-04-18 16:36:42,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:36:42,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:36:42,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:36:42,612 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 16:36:42,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:36:42,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448832194] [2022-04-18 16:36:42,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448832194] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:36:42,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:36:42,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:36:42,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941508810] [2022-04-18 16:36:42,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:36:42,620 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:36:42,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:36:42,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:36:42,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:36:42,645 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 238 [2022-04-18 16:36:42,648 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 212 transitions, 448 flow. Second operand has 3 states, 3 states have (on average 168.33333333333334) internal successors, (505), 3 states have internal predecessors, (505), 0 states have call successors, (0), 0 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 16:36:42,649 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:36:42,649 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 238 [2022-04-18 16:36:42,650 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:36:42,876 INFO L129 PetriNetUnfolder]: 449/1050 cut-off events. [2022-04-18 16:36:42,876 INFO L130 PetriNetUnfolder]: For 223/294 co-relation queries the response was YES. [2022-04-18 16:36:42,881 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1795 conditions, 1050 events. 449/1050 cut-off events. For 223/294 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 5045 event pairs, 272 based on Foata normal form. 177/1073 useless extension candidates. Maximal degree in co-relation 1540. Up to 618 conditions per place. [2022-04-18 16:36:42,888 INFO L132 encePairwiseOnDemand]: 198/238 looper letters, 29 selfloop transitions, 2 changer transitions 1/174 dead transitions. [2022-04-18 16:36:42,889 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 174 transitions, 434 flow [2022-04-18 16:36:42,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:36:42,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:36:42,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 570 transitions. [2022-04-18 16:36:42,902 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7983193277310925 [2022-04-18 16:36:42,902 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 570 transitions. [2022-04-18 16:36:42,903 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 570 transitions. [2022-04-18 16:36:42,905 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:36:42,907 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 570 transitions. [2022-04-18 16:36:42,910 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 190.0) internal successors, (570), 3 states have internal predecessors, (570), 0 states have call successors, (0), 0 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 16:36:42,917 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 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 16:36:42,918 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 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 16:36:42,919 INFO L186 Difference]: Start difference. First operand has 215 places, 212 transitions, 448 flow. Second operand 3 states and 570 transitions. [2022-04-18 16:36:42,920 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 174 transitions, 434 flow [2022-04-18 16:36:42,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 174 transitions, 418 flow, removed 0 selfloop flow, removed 8 redundant places. [2022-04-18 16:36:42,928 INFO L242 Difference]: Finished difference. Result has 176 places, 173 transitions, 358 flow [2022-04-18 16:36:42,929 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=356, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=174, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=358, PETRI_PLACES=176, PETRI_TRANSITIONS=173} [2022-04-18 16:36:42,933 INFO L335 CegarLoopForPetriNet]: 215 programPoint places, -39 predicate places. [2022-04-18 16:36:42,933 INFO L478 AbstractCegarLoop]: Abstraction has has 176 places, 173 transitions, 358 flow [2022-04-18 16:36:42,934 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 168.33333333333334) internal successors, (505), 3 states have internal predecessors, (505), 0 states have call successors, (0), 0 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 16:36:42,934 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:36:42,934 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] [2022-04-18 16:36:42,934 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 16:36:42,935 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-04-18 16:36:42,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:36:42,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1021182563, now seen corresponding path program 1 times [2022-04-18 16:36:42,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:36:42,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407886746] [2022-04-18 16:36:42,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:36:42,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:36:42,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:36:42,993 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 16:36:42,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:36:42,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407886746] [2022-04-18 16:36:42,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407886746] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:36:42,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:36:42,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:36:42,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133251938] [2022-04-18 16:36:42,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:36:42,998 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:36:42,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:36:43,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:36:43,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:36:43,004 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 238 [2022-04-18 16:36:43,004 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 173 transitions, 358 flow. Second operand has 3 states, 3 states have (on average 168.33333333333334) internal successors, (505), 3 states have internal predecessors, (505), 0 states have call successors, (0), 0 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 16:36:43,004 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:36:43,004 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 238 [2022-04-18 16:36:43,005 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:36:43,176 INFO L129 PetriNetUnfolder]: 449/1048 cut-off events. [2022-04-18 16:36:43,176 INFO L130 PetriNetUnfolder]: For 40/111 co-relation queries the response was YES. [2022-04-18 16:36:43,179 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1711 conditions, 1048 events. 449/1048 cut-off events. For 40/111 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 5069 event pairs, 272 based on Foata normal form. 0/896 useless extension candidates. Maximal degree in co-relation 1678. Up to 617 conditions per place. [2022-04-18 16:36:43,184 INFO L132 encePairwiseOnDemand]: 235/238 looper letters, 28 selfloop transitions, 2 changer transitions 0/172 dead transitions. [2022-04-18 16:36:43,185 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 172 transitions, 416 flow [2022-04-18 16:36:43,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:36:43,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:36:43,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 532 transitions. [2022-04-18 16:36:43,186 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7450980392156863 [2022-04-18 16:36:43,186 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 532 transitions. [2022-04-18 16:36:43,187 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 532 transitions. [2022-04-18 16:36:43,187 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:36:43,187 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 532 transitions. [2022-04-18 16:36:43,188 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 177.33333333333334) internal successors, (532), 3 states have internal predecessors, (532), 0 states have call successors, (0), 0 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 16:36:43,190 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 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 16:36:43,190 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 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 16:36:43,191 INFO L186 Difference]: Start difference. First operand has 176 places, 173 transitions, 358 flow. Second operand 3 states and 532 transitions. [2022-04-18 16:36:43,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 172 transitions, 416 flow [2022-04-18 16:36:43,193 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 172 transitions, 412 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:36:43,196 INFO L242 Difference]: Finished difference. Result has 174 places, 172 transitions, 356 flow [2022-04-18 16:36:43,197 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=352, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=172, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=356, PETRI_PLACES=174, PETRI_TRANSITIONS=172} [2022-04-18 16:36:43,198 INFO L335 CegarLoopForPetriNet]: 215 programPoint places, -41 predicate places. [2022-04-18 16:36:43,198 INFO L478 AbstractCegarLoop]: Abstraction has has 174 places, 172 transitions, 356 flow [2022-04-18 16:36:43,198 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 168.33333333333334) internal successors, (505), 3 states have internal predecessors, (505), 0 states have call successors, (0), 0 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 16:36:43,198 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:36:43,198 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] [2022-04-18 16:36:43,199 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 16:36:43,199 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-04-18 16:36:43,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:36:43,200 INFO L85 PathProgramCache]: Analyzing trace with hash 2038512627, now seen corresponding path program 1 times [2022-04-18 16:36:43,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:36:43,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276308868] [2022-04-18 16:36:43,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:36:43,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:36:43,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:36:43,250 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 16:36:43,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:36:43,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276308868] [2022-04-18 16:36:43,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276308868] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:36:43,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:36:43,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:36:43,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101965864] [2022-04-18 16:36:43,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:36:43,252 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:36:43,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:36:43,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:36:43,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:36:43,254 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 238 [2022-04-18 16:36:43,260 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 172 transitions, 356 flow. Second operand has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 0 states have call successors, (0), 0 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 16:36:43,260 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:36:43,260 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 238 [2022-04-18 16:36:43,260 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:36:43,363 INFO L129 PetriNetUnfolder]: 449/1047 cut-off events. [2022-04-18 16:36:43,363 INFO L130 PetriNetUnfolder]: For 40/111 co-relation queries the response was YES. [2022-04-18 16:36:43,366 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1708 conditions, 1047 events. 449/1047 cut-off events. For 40/111 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 5080 event pairs, 272 based on Foata normal form. 0/896 useless extension candidates. Maximal degree in co-relation 1669. Up to 615 conditions per place. [2022-04-18 16:36:43,371 INFO L132 encePairwiseOnDemand]: 235/238 looper letters, 26 selfloop transitions, 2 changer transitions 0/171 dead transitions. [2022-04-18 16:36:43,371 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 171 transitions, 410 flow [2022-04-18 16:36:43,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:36:43,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:36:43,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 539 transitions. [2022-04-18 16:36:43,374 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7549019607843137 [2022-04-18 16:36:43,374 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 539 transitions. [2022-04-18 16:36:43,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 539 transitions. [2022-04-18 16:36:43,374 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:36:43,374 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 539 transitions. [2022-04-18 16:36:43,375 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 179.66666666666666) internal successors, (539), 3 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:43,376 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 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 16:36:43,377 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 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 16:36:43,377 INFO L186 Difference]: Start difference. First operand has 174 places, 172 transitions, 356 flow. Second operand 3 states and 539 transitions. [2022-04-18 16:36:43,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 171 transitions, 410 flow [2022-04-18 16:36:43,379 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 171 transitions, 406 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:36:43,382 INFO L242 Difference]: Finished difference. Result has 173 places, 171 transitions, 354 flow [2022-04-18 16:36:43,382 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=354, PETRI_PLACES=173, PETRI_TRANSITIONS=171} [2022-04-18 16:36:43,383 INFO L335 CegarLoopForPetriNet]: 215 programPoint places, -42 predicate places. [2022-04-18 16:36:43,384 INFO L478 AbstractCegarLoop]: Abstraction has has 173 places, 171 transitions, 354 flow [2022-04-18 16:36:43,384 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 0 states have call successors, (0), 0 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 16:36:43,384 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:36:43,384 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] [2022-04-18 16:36:43,384 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-18 16:36:43,385 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-04-18 16:36:43,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:36:43,385 INFO L85 PathProgramCache]: Analyzing trace with hash -82782642, now seen corresponding path program 1 times [2022-04-18 16:36:43,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:36:43,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310766794] [2022-04-18 16:36:43,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:36:43,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:36:43,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:36:43,434 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 16:36:43,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:36:43,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310766794] [2022-04-18 16:36:43,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310766794] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:36:43,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:36:43,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:36:43,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740754840] [2022-04-18 16:36:43,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:36:43,436 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:36:43,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:36:43,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:36:43,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:36:43,437 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 238 [2022-04-18 16:36:43,438 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 171 transitions, 354 flow. Second operand has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 0 states have call successors, (0), 0 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 16:36:43,438 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:36:43,438 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 238 [2022-04-18 16:36:43,438 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:36:43,541 INFO L129 PetriNetUnfolder]: 449/1046 cut-off events. [2022-04-18 16:36:43,541 INFO L130 PetriNetUnfolder]: For 40/111 co-relation queries the response was YES. [2022-04-18 16:36:43,544 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1707 conditions, 1046 events. 449/1046 cut-off events. For 40/111 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 5053 event pairs, 272 based on Foata normal form. 0/896 useless extension candidates. Maximal degree in co-relation 1661. Up to 615 conditions per place. [2022-04-18 16:36:43,549 INFO L132 encePairwiseOnDemand]: 235/238 looper letters, 26 selfloop transitions, 2 changer transitions 0/170 dead transitions. [2022-04-18 16:36:43,549 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 170 transitions, 408 flow [2022-04-18 16:36:43,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:36:43,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:36:43,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 539 transitions. [2022-04-18 16:36:43,551 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7549019607843137 [2022-04-18 16:36:43,551 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 539 transitions. [2022-04-18 16:36:43,551 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 539 transitions. [2022-04-18 16:36:43,551 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:36:43,551 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 539 transitions. [2022-04-18 16:36:43,552 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 179.66666666666666) internal successors, (539), 3 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:43,553 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 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 16:36:43,554 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 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 16:36:43,554 INFO L186 Difference]: Start difference. First operand has 173 places, 171 transitions, 354 flow. Second operand 3 states and 539 transitions. [2022-04-18 16:36:43,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 170 transitions, 408 flow [2022-04-18 16:36:43,555 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 170 transitions, 404 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:36:43,557 INFO L242 Difference]: Finished difference. Result has 172 places, 170 transitions, 352 flow [2022-04-18 16:36:43,557 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=348, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=352, PETRI_PLACES=172, PETRI_TRANSITIONS=170} [2022-04-18 16:36:43,557 INFO L335 CegarLoopForPetriNet]: 215 programPoint places, -43 predicate places. [2022-04-18 16:36:43,558 INFO L478 AbstractCegarLoop]: Abstraction has has 172 places, 170 transitions, 352 flow [2022-04-18 16:36:43,558 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 0 states have call successors, (0), 0 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 16:36:43,558 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:36:43,558 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 16:36:43,558 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-18 16:36:43,559 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-04-18 16:36:43,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:36:43,559 INFO L85 PathProgramCache]: Analyzing trace with hash 154235018, now seen corresponding path program 1 times [2022-04-18 16:36:43,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:36:43,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339786621] [2022-04-18 16:36:43,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:36:43,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:36:43,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:36:43,583 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 16:36:43,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:36:43,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339786621] [2022-04-18 16:36:43,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339786621] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:36:43,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:36:43,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:36:43,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886917099] [2022-04-18 16:36:43,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:36:43,585 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:36:43,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:36:43,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:36:43,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:36:43,587 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 238 [2022-04-18 16:36:43,587 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 170 transitions, 352 flow. Second operand has 3 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:43,587 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:36:43,587 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 238 [2022-04-18 16:36:43,588 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:36:43,704 INFO L129 PetriNetUnfolder]: 449/1045 cut-off events. [2022-04-18 16:36:43,704 INFO L130 PetriNetUnfolder]: For 40/111 co-relation queries the response was YES. [2022-04-18 16:36:43,706 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1703 conditions, 1045 events. 449/1045 cut-off events. For 40/111 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 5081 event pairs, 272 based on Foata normal form. 0/896 useless extension candidates. Maximal degree in co-relation 1650. Up to 612 conditions per place. [2022-04-18 16:36:43,711 INFO L132 encePairwiseOnDemand]: 235/238 looper letters, 23 selfloop transitions, 2 changer transitions 0/169 dead transitions. [2022-04-18 16:36:43,711 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 169 transitions, 400 flow [2022-04-18 16:36:43,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:36:43,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:36:43,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 545 transitions. [2022-04-18 16:36:43,713 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7633053221288515 [2022-04-18 16:36:43,713 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 545 transitions. [2022-04-18 16:36:43,713 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 545 transitions. [2022-04-18 16:36:43,713 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:36:43,713 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 545 transitions. [2022-04-18 16:36:43,714 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 181.66666666666666) internal successors, (545), 3 states have internal predecessors, (545), 0 states have call successors, (0), 0 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 16:36:43,715 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 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 16:36:43,716 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 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 16:36:43,716 INFO L186 Difference]: Start difference. First operand has 172 places, 170 transitions, 352 flow. Second operand 3 states and 545 transitions. [2022-04-18 16:36:43,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 169 transitions, 400 flow [2022-04-18 16:36:43,717 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 169 transitions, 396 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:36:43,719 INFO L242 Difference]: Finished difference. Result has 171 places, 169 transitions, 350 flow [2022-04-18 16:36:43,719 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=350, PETRI_PLACES=171, PETRI_TRANSITIONS=169} [2022-04-18 16:36:43,720 INFO L335 CegarLoopForPetriNet]: 215 programPoint places, -44 predicate places. [2022-04-18 16:36:43,720 INFO L478 AbstractCegarLoop]: Abstraction has has 171 places, 169 transitions, 350 flow [2022-04-18 16:36:43,720 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:43,720 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:36:43,720 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 16:36:43,721 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-18 16:36:43,721 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-04-18 16:36:43,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:36:43,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1002965325, now seen corresponding path program 1 times [2022-04-18 16:36:43,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:36:43,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572331057] [2022-04-18 16:36:43,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:36:43,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:36:43,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:36:43,745 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 16:36:43,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:36:43,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572331057] [2022-04-18 16:36:43,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572331057] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:36:43,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:36:43,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:36:43,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700732752] [2022-04-18 16:36:43,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:36:43,747 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:36:43,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:36:43,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:36:43,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:36:43,748 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 238 [2022-04-18 16:36:43,749 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 169 transitions, 350 flow. Second operand has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 0 states have call successors, (0), 0 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 16:36:43,749 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:36:43,749 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 238 [2022-04-18 16:36:43,749 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:36:43,900 INFO L129 PetriNetUnfolder]: 640/1578 cut-off events. [2022-04-18 16:36:43,901 INFO L130 PetriNetUnfolder]: For 71/536 co-relation queries the response was YES. [2022-04-18 16:36:43,903 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2512 conditions, 1578 events. 640/1578 cut-off events. For 71/536 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 8445 event pairs, 121 based on Foata normal form. 1/1385 useless extension candidates. Maximal degree in co-relation 2452. Up to 619 conditions per place. [2022-04-18 16:36:43,909 INFO L132 encePairwiseOnDemand]: 232/238 looper letters, 40 selfloop transitions, 4 changer transitions 0/185 dead transitions. [2022-04-18 16:36:43,910 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 185 transitions, 477 flow [2022-04-18 16:36:43,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:36:43,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:36:43,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 556 transitions. [2022-04-18 16:36:43,911 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7787114845938375 [2022-04-18 16:36:43,911 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 556 transitions. [2022-04-18 16:36:43,911 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 556 transitions. [2022-04-18 16:36:43,912 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:36:43,912 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 556 transitions. [2022-04-18 16:36:43,913 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 185.33333333333334) internal successors, (556), 3 states have internal predecessors, (556), 0 states have call successors, (0), 0 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 16:36:43,914 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 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 16:36:43,915 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 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 16:36:43,915 INFO L186 Difference]: Start difference. First operand has 171 places, 169 transitions, 350 flow. Second operand 3 states and 556 transitions. [2022-04-18 16:36:43,915 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 185 transitions, 477 flow [2022-04-18 16:36:43,916 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 185 transitions, 473 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:36:43,918 INFO L242 Difference]: Finished difference. Result has 171 places, 170 transitions, 370 flow [2022-04-18 16:36:43,918 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=370, PETRI_PLACES=171, PETRI_TRANSITIONS=170} [2022-04-18 16:36:43,918 INFO L335 CegarLoopForPetriNet]: 215 programPoint places, -44 predicate places. [2022-04-18 16:36:43,919 INFO L478 AbstractCegarLoop]: Abstraction has has 171 places, 170 transitions, 370 flow [2022-04-18 16:36:43,919 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 0 states have call successors, (0), 0 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 16:36:43,919 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:36:43,919 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] [2022-04-18 16:36:43,919 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-18 16:36:43,920 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-04-18 16:36:43,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:36:43,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1777028818, now seen corresponding path program 1 times [2022-04-18 16:36:43,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:36:43,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640319229] [2022-04-18 16:36:43,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:36:43,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:36:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:36:43,942 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 16:36:43,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:36:43,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640319229] [2022-04-18 16:36:43,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640319229] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:36:43,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:36:43,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:36:43,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119870954] [2022-04-18 16:36:43,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:36:43,943 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:36:43,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:36:43,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:36:43,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:36:43,945 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 238 [2022-04-18 16:36:43,945 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 170 transitions, 370 flow. Second operand has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 0 states have call successors, (0), 0 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 16:36:43,945 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:36:43,946 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 238 [2022-04-18 16:36:43,946 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:36:44,123 INFO L129 PetriNetUnfolder]: 847/2002 cut-off events. [2022-04-18 16:36:44,123 INFO L130 PetriNetUnfolder]: For 456/724 co-relation queries the response was YES. [2022-04-18 16:36:44,128 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3511 conditions, 2002 events. 847/2002 cut-off events. For 456/724 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 12264 event pairs, 163 based on Foata normal form. 3/1715 useless extension candidates. Maximal degree in co-relation 1636. Up to 795 conditions per place. [2022-04-18 16:36:44,138 INFO L132 encePairwiseOnDemand]: 232/238 looper letters, 38 selfloop transitions, 3 changer transitions 8/186 dead transitions. [2022-04-18 16:36:44,138 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 186 transitions, 509 flow [2022-04-18 16:36:44,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:36:44,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:36:44,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 553 transitions. [2022-04-18 16:36:44,140 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7745098039215687 [2022-04-18 16:36:44,140 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 553 transitions. [2022-04-18 16:36:44,140 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 553 transitions. [2022-04-18 16:36:44,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:36:44,140 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 553 transitions. [2022-04-18 16:36:44,141 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 0 states have call successors, (0), 0 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 16:36:44,143 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 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 16:36:44,143 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 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 16:36:44,143 INFO L186 Difference]: Start difference. First operand has 171 places, 170 transitions, 370 flow. Second operand 3 states and 553 transitions. [2022-04-18 16:36:44,143 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 186 transitions, 509 flow [2022-04-18 16:36:44,144 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 186 transitions, 497 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:36:44,146 INFO L242 Difference]: Finished difference. Result has 170 places, 164 transitions, 358 flow [2022-04-18 16:36:44,146 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=358, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=358, PETRI_PLACES=170, PETRI_TRANSITIONS=164} [2022-04-18 16:36:44,147 INFO L335 CegarLoopForPetriNet]: 215 programPoint places, -45 predicate places. [2022-04-18 16:36:44,147 INFO L478 AbstractCegarLoop]: Abstraction has has 170 places, 164 transitions, 358 flow [2022-04-18 16:36:44,147 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 0 states have call successors, (0), 0 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 16:36:44,147 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:36:44,148 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] [2022-04-18 16:36:44,148 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-18 16:36:44,148 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-04-18 16:36:44,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:36:44,148 INFO L85 PathProgramCache]: Analyzing trace with hash -734553961, now seen corresponding path program 1 times [2022-04-18 16:36:44,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:36:44,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239414660] [2022-04-18 16:36:44,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:36:44,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:36:44,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:36:44,172 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 16:36:44,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:36:44,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239414660] [2022-04-18 16:36:44,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239414660] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:36:44,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:36:44,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:36:44,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126593921] [2022-04-18 16:36:44,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:36:44,174 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:36:44,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:36:44,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:36:44,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:36:44,175 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 238 [2022-04-18 16:36:44,176 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 164 transitions, 358 flow. Second operand has 3 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:44,176 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:36:44,176 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 238 [2022-04-18 16:36:44,176 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:36:44,379 INFO L129 PetriNetUnfolder]: 1031/2650 cut-off events. [2022-04-18 16:36:44,380 INFO L130 PetriNetUnfolder]: For 576/740 co-relation queries the response was YES. [2022-04-18 16:36:44,387 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4743 conditions, 2650 events. 1031/2650 cut-off events. For 576/740 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 18360 event pairs, 253 based on Foata normal form. 1/2253 useless extension candidates. Maximal degree in co-relation 1717. Up to 932 conditions per place. [2022-04-18 16:36:44,398 INFO L132 encePairwiseOnDemand]: 230/238 looper letters, 37 selfloop transitions, 9 changer transitions 0/182 dead transitions. [2022-04-18 16:36:44,398 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 182 transitions, 505 flow [2022-04-18 16:36:44,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:36:44,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:36:44,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 560 transitions. [2022-04-18 16:36:44,400 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7843137254901961 [2022-04-18 16:36:44,400 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 560 transitions. [2022-04-18 16:36:44,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 560 transitions. [2022-04-18 16:36:44,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:36:44,401 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 560 transitions. [2022-04-18 16:36:44,402 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 186.66666666666666) internal successors, (560), 3 states have internal predecessors, (560), 0 states have call successors, (0), 0 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 16:36:44,403 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 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 16:36:44,403 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 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 16:36:44,403 INFO L186 Difference]: Start difference. First operand has 170 places, 164 transitions, 358 flow. Second operand 3 states and 560 transitions. [2022-04-18 16:36:44,403 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 182 transitions, 505 flow [2022-04-18 16:36:44,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 182 transitions, 500 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:36:44,406 INFO L242 Difference]: Finished difference. Result has 167 places, 169 transitions, 417 flow [2022-04-18 16:36:44,406 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=353, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=417, PETRI_PLACES=167, PETRI_TRANSITIONS=169} [2022-04-18 16:36:44,407 INFO L335 CegarLoopForPetriNet]: 215 programPoint places, -48 predicate places. [2022-04-18 16:36:44,407 INFO L478 AbstractCegarLoop]: Abstraction has has 167 places, 169 transitions, 417 flow [2022-04-18 16:36:44,407 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:44,407 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:36:44,408 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] [2022-04-18 16:36:44,408 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-04-18 16:36:44,408 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-04-18 16:36:44,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:36:44,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1531699830, now seen corresponding path program 1 times [2022-04-18 16:36:44,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:36:44,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805970018] [2022-04-18 16:36:44,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:36:44,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:36:44,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:36:44,431 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 16:36:44,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:36:44,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805970018] [2022-04-18 16:36:44,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805970018] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:36:44,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:36:44,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:36:44,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481199658] [2022-04-18 16:36:44,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:36:44,432 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:36:44,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:36:44,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:36:44,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:36:44,434 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 238 [2022-04-18 16:36:44,434 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 169 transitions, 417 flow. Second operand has 3 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:44,435 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:36:44,435 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 238 [2022-04-18 16:36:44,435 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:36:44,739 INFO L129 PetriNetUnfolder]: 1296/3397 cut-off events. [2022-04-18 16:36:44,740 INFO L130 PetriNetUnfolder]: For 2702/2960 co-relation queries the response was YES. [2022-04-18 16:36:44,748 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7122 conditions, 3397 events. 1296/3397 cut-off events. For 2702/2960 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 24677 event pairs, 255 based on Foata normal form. 5/2935 useless extension candidates. Maximal degree in co-relation 2866. Up to 1050 conditions per place. [2022-04-18 16:36:44,762 INFO L132 encePairwiseOnDemand]: 230/238 looper letters, 51 selfloop transitions, 9 changer transitions 0/195 dead transitions. [2022-04-18 16:36:44,762 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 195 transitions, 656 flow [2022-04-18 16:36:44,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:36:44,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:36:44,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 562 transitions. [2022-04-18 16:36:44,764 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7871148459383753 [2022-04-18 16:36:44,764 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 562 transitions. [2022-04-18 16:36:44,764 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 562 transitions. [2022-04-18 16:36:44,765 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:36:44,765 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 562 transitions. [2022-04-18 16:36:44,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 0 states have call successors, (0), 0 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 16:36:44,767 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 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 16:36:44,767 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 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 16:36:44,767 INFO L186 Difference]: Start difference. First operand has 167 places, 169 transitions, 417 flow. Second operand 3 states and 562 transitions. [2022-04-18 16:36:44,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 195 transitions, 656 flow [2022-04-18 16:36:44,770 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 195 transitions, 622 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:36:44,772 INFO L242 Difference]: Finished difference. Result has 168 places, 174 transitions, 461 flow [2022-04-18 16:36:44,772 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=397, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=461, PETRI_PLACES=168, PETRI_TRANSITIONS=174} [2022-04-18 16:36:44,772 INFO L335 CegarLoopForPetriNet]: 215 programPoint places, -47 predicate places. [2022-04-18 16:36:44,773 INFO L478 AbstractCegarLoop]: Abstraction has has 168 places, 174 transitions, 461 flow [2022-04-18 16:36:44,773 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:44,773 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:36:44,773 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] [2022-04-18 16:36:44,773 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-04-18 16:36:44,773 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-04-18 16:36:44,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:36:44,774 INFO L85 PathProgramCache]: Analyzing trace with hash 777751023, now seen corresponding path program 1 times [2022-04-18 16:36:44,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:36:44,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170534906] [2022-04-18 16:36:44,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:36:44,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:36:44,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:36:44,862 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 16:36:44,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:36:44,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170534906] [2022-04-18 16:36:44,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170534906] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:36:44,863 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:36:44,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:36:44,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98955804] [2022-04-18 16:36:44,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:36:44,864 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:36:44,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:36:44,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:36:44,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:36:44,865 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 238 [2022-04-18 16:36:44,866 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 174 transitions, 461 flow. Second operand has 6 states, 6 states have (on average 151.16666666666666) internal successors, (907), 6 states have internal predecessors, (907), 0 states have call successors, (0), 0 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 16:36:44,866 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:36:44,867 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 238 [2022-04-18 16:36:44,867 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:36:46,159 INFO L129 PetriNetUnfolder]: 8700/13029 cut-off events. [2022-04-18 16:36:46,159 INFO L130 PetriNetUnfolder]: For 22791/22791 co-relation queries the response was YES. [2022-04-18 16:36:46,182 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40226 conditions, 13029 events. 8700/13029 cut-off events. For 22791/22791 co-relation queries the response was YES. Maximal size of possible extension queue 446. Compared 71769 event pairs, 768 based on Foata normal form. 0/12466 useless extension candidates. Maximal degree in co-relation 11560. Up to 5548 conditions per place. [2022-04-18 16:36:46,260 INFO L132 encePairwiseOnDemand]: 233/238 looper letters, 169 selfloop transitions, 4 changer transitions 1/285 dead transitions. [2022-04-18 16:36:46,260 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 285 transitions, 1415 flow [2022-04-18 16:36:46,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:36:46,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:36:46,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 989 transitions. [2022-04-18 16:36:46,263 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.6925770308123249 [2022-04-18 16:36:46,263 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 989 transitions. [2022-04-18 16:36:46,263 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 989 transitions. [2022-04-18 16:36:46,264 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:36:46,264 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 989 transitions. [2022-04-18 16:36:46,267 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 164.83333333333334) internal successors, (989), 6 states have internal predecessors, (989), 0 states have call successors, (0), 0 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 16:36:46,269 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 238.0) internal successors, (1666), 7 states have internal predecessors, (1666), 0 states have call successors, (0), 0 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 16:36:46,269 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 238.0) internal successors, (1666), 7 states have internal predecessors, (1666), 0 states have call successors, (0), 0 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 16:36:46,269 INFO L186 Difference]: Start difference. First operand has 168 places, 174 transitions, 461 flow. Second operand 6 states and 989 transitions. [2022-04-18 16:36:46,269 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 285 transitions, 1415 flow [2022-04-18 16:36:46,278 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 285 transitions, 1333 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:36:46,280 INFO L242 Difference]: Finished difference. Result has 170 places, 172 transitions, 447 flow [2022-04-18 16:36:46,281 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=441, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=173, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=447, PETRI_PLACES=170, PETRI_TRANSITIONS=172} [2022-04-18 16:36:46,282 INFO L335 CegarLoopForPetriNet]: 215 programPoint places, -45 predicate places. [2022-04-18 16:36:46,282 INFO L478 AbstractCegarLoop]: Abstraction has has 170 places, 172 transitions, 447 flow [2022-04-18 16:36:46,283 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 151.16666666666666) internal successors, (907), 6 states have internal predecessors, (907), 0 states have call successors, (0), 0 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 16:36:46,283 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:36:46,283 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 16:36:46,283 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-04-18 16:36:46,284 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-04-18 16:36:46,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:36:46,284 INFO L85 PathProgramCache]: Analyzing trace with hash 693657062, now seen corresponding path program 1 times [2022-04-18 16:36:46,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:36:46,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512254074] [2022-04-18 16:36:46,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:36:46,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:36:46,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:36:46,416 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 16:36:46,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:36:46,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512254074] [2022-04-18 16:36:46,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512254074] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:36:46,417 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:36:46,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:36:46,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149975158] [2022-04-18 16:36:46,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:36:46,418 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:36:46,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:36:46,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:36:46,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:36:46,420 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 238 [2022-04-18 16:36:46,421 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 172 transitions, 447 flow. Second operand has 6 states, 6 states have (on average 152.33333333333334) internal successors, (914), 6 states have internal predecessors, (914), 0 states have call successors, (0), 0 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 16:36:46,421 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:36:46,421 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 238 [2022-04-18 16:36:46,421 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:36:47,601 INFO L129 PetriNetUnfolder]: 7804/11846 cut-off events. [2022-04-18 16:36:47,601 INFO L130 PetriNetUnfolder]: For 13914/13914 co-relation queries the response was YES. [2022-04-18 16:36:47,618 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34246 conditions, 11846 events. 7804/11846 cut-off events. For 13914/13914 co-relation queries the response was YES. Maximal size of possible extension queue 414. Compared 65529 event pairs, 2712 based on Foata normal form. 0/11364 useless extension candidates. Maximal degree in co-relation 9755. Up to 7600 conditions per place. [2022-04-18 16:36:47,661 INFO L132 encePairwiseOnDemand]: 233/238 looper letters, 132 selfloop transitions, 4 changer transitions 0/247 dead transitions. [2022-04-18 16:36:47,661 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 247 transitions, 1085 flow [2022-04-18 16:36:47,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:36:47,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:36:47,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 975 transitions. [2022-04-18 16:36:47,663 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.6827731092436975 [2022-04-18 16:36:47,663 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 975 transitions. [2022-04-18 16:36:47,663 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 975 transitions. [2022-04-18 16:36:47,664 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:36:47,664 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 975 transitions. [2022-04-18 16:36:47,665 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 162.5) internal successors, (975), 6 states have internal predecessors, (975), 0 states have call successors, (0), 0 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 16:36:47,667 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 238.0) internal successors, (1666), 7 states have internal predecessors, (1666), 0 states have call successors, (0), 0 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 16:36:47,667 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 238.0) internal successors, (1666), 7 states have internal predecessors, (1666), 0 states have call successors, (0), 0 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 16:36:47,667 INFO L186 Difference]: Start difference. First operand has 170 places, 172 transitions, 447 flow. Second operand 6 states and 975 transitions. [2022-04-18 16:36:47,668 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 247 transitions, 1085 flow [2022-04-18 16:36:47,671 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 247 transitions, 1078 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-04-18 16:36:47,673 INFO L242 Difference]: Finished difference. Result has 169 places, 171 transitions, 446 flow [2022-04-18 16:36:47,674 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=438, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=446, PETRI_PLACES=169, PETRI_TRANSITIONS=171} [2022-04-18 16:36:47,674 INFO L335 CegarLoopForPetriNet]: 215 programPoint places, -46 predicate places. [2022-04-18 16:36:47,674 INFO L478 AbstractCegarLoop]: Abstraction has has 169 places, 171 transitions, 446 flow [2022-04-18 16:36:47,675 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 152.33333333333334) internal successors, (914), 6 states have internal predecessors, (914), 0 states have call successors, (0), 0 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 16:36:47,675 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:36:47,675 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] [2022-04-18 16:36:47,675 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-04-18 16:36:47,675 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-04-18 16:36:47,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:36:47,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1453654291, now seen corresponding path program 1 times [2022-04-18 16:36:47,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:36:47,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229042717] [2022-04-18 16:36:47,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:36:47,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:36:47,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:36:47,778 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 16:36:47,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:36:47,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229042717] [2022-04-18 16:36:47,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229042717] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:36:47,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:36:47,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:36:47,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275654326] [2022-04-18 16:36:47,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:36:47,780 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:36:47,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:36:47,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:36:47,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:36:47,781 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 238 [2022-04-18 16:36:47,782 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 171 transitions, 446 flow. Second operand has 6 states, 6 states have (on average 153.5) internal successors, (921), 6 states have internal predecessors, (921), 0 states have call successors, (0), 0 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 16:36:47,782 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:36:47,782 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 238 [2022-04-18 16:36:47,782 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:36:48,841 INFO L129 PetriNetUnfolder]: 7582/11664 cut-off events. [2022-04-18 16:36:48,841 INFO L130 PetriNetUnfolder]: For 13212/13212 co-relation queries the response was YES. [2022-04-18 16:36:48,859 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33159 conditions, 11664 events. 7582/11664 cut-off events. For 13212/13212 co-relation queries the response was YES. Maximal size of possible extension queue 405. Compared 65244 event pairs, 3306 based on Foata normal form. 0/11212 useless extension candidates. Maximal degree in co-relation 25046. Up to 9288 conditions per place. [2022-04-18 16:36:48,903 INFO L132 encePairwiseOnDemand]: 233/238 looper letters, 111 selfloop transitions, 4 changer transitions 0/226 dead transitions. [2022-04-18 16:36:48,903 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 226 transitions, 946 flow [2022-04-18 16:36:48,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:36:48,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:36:48,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 962 transitions. [2022-04-18 16:36:48,906 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.6736694677871149 [2022-04-18 16:36:48,906 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 962 transitions. [2022-04-18 16:36:48,906 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 962 transitions. [2022-04-18 16:36:48,906 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:36:48,906 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 962 transitions. [2022-04-18 16:36:48,908 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 160.33333333333334) internal successors, (962), 6 states have internal predecessors, (962), 0 states have call successors, (0), 0 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 16:36:48,910 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 238.0) internal successors, (1666), 7 states have internal predecessors, (1666), 0 states have call successors, (0), 0 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 16:36:48,910 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 238.0) internal successors, (1666), 7 states have internal predecessors, (1666), 0 states have call successors, (0), 0 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 16:36:48,910 INFO L186 Difference]: Start difference. First operand has 169 places, 171 transitions, 446 flow. Second operand 6 states and 962 transitions. [2022-04-18 16:36:48,910 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 226 transitions, 946 flow [2022-04-18 16:36:48,914 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 226 transitions, 939 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-04-18 16:36:48,916 INFO L242 Difference]: Finished difference. Result has 169 places, 170 transitions, 445 flow [2022-04-18 16:36:48,916 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=437, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=445, PETRI_PLACES=169, PETRI_TRANSITIONS=170} [2022-04-18 16:36:48,917 INFO L335 CegarLoopForPetriNet]: 215 programPoint places, -46 predicate places. [2022-04-18 16:36:48,917 INFO L478 AbstractCegarLoop]: Abstraction has has 169 places, 170 transitions, 445 flow [2022-04-18 16:36:48,917 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 153.5) internal successors, (921), 6 states have internal predecessors, (921), 0 states have call successors, (0), 0 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 16:36:48,917 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:36:48,917 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] [2022-04-18 16:36:48,917 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-04-18 16:36:48,918 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-04-18 16:36:48,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:36:48,918 INFO L85 PathProgramCache]: Analyzing trace with hash 156571682, now seen corresponding path program 1 times [2022-04-18 16:36:48,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:36:48,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866745789] [2022-04-18 16:36:48,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:36:48,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:36:48,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:36:49,009 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 16:36:49,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:36:49,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866745789] [2022-04-18 16:36:49,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866745789] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:36:49,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:36:49,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:36:49,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638315226] [2022-04-18 16:36:49,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:36:49,012 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:36:49,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:36:49,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:36:49,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:36:49,014 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 238 [2022-04-18 16:36:49,015 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 170 transitions, 445 flow. Second operand has 6 states, 6 states have (on average 154.66666666666666) internal successors, (928), 6 states have internal predecessors, (928), 0 states have call successors, (0), 0 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 16:36:49,015 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:36:49,015 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 238 [2022-04-18 16:36:49,015 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:36:50,015 INFO L129 PetriNetUnfolder]: 7685/11749 cut-off events. [2022-04-18 16:36:50,015 INFO L130 PetriNetUnfolder]: For 13377/13377 co-relation queries the response was YES. [2022-04-18 16:36:50,038 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33357 conditions, 11749 events. 7685/11749 cut-off events. For 13377/13377 co-relation queries the response was YES. Maximal size of possible extension queue 378. Compared 65336 event pairs, 3517 based on Foata normal form. 12/11302 useless extension candidates. Maximal degree in co-relation 31514. Up to 9904 conditions per place. [2022-04-18 16:36:50,046 INFO L132 encePairwiseOnDemand]: 233/238 looper letters, 0 selfloop transitions, 0 changer transitions 189/189 dead transitions. [2022-04-18 16:36:50,046 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 189 transitions, 695 flow [2022-04-18 16:36:50,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:36:50,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:36:50,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 949 transitions. [2022-04-18 16:36:50,049 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.6645658263305322 [2022-04-18 16:36:50,049 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 949 transitions. [2022-04-18 16:36:50,049 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 949 transitions. [2022-04-18 16:36:50,049 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:36:50,050 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 949 transitions. [2022-04-18 16:36:50,051 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 158.16666666666666) internal successors, (949), 6 states have internal predecessors, (949), 0 states have call successors, (0), 0 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 16:36:50,053 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 238.0) internal successors, (1666), 7 states have internal predecessors, (1666), 0 states have call successors, (0), 0 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 16:36:50,053 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 238.0) internal successors, (1666), 7 states have internal predecessors, (1666), 0 states have call successors, (0), 0 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 16:36:50,053 INFO L186 Difference]: Start difference. First operand has 169 places, 170 transitions, 445 flow. Second operand 6 states and 949 transitions. [2022-04-18 16:36:50,054 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 189 transitions, 695 flow [2022-04-18 16:36:50,057 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 189 transitions, 688 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-04-18 16:36:50,057 INFO L242 Difference]: Finished difference. Result has 169 places, 0 transitions, 0 flow [2022-04-18 16:36:50,058 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=436, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=169, PETRI_TRANSITIONS=0} [2022-04-18 16:36:50,058 INFO L335 CegarLoopForPetriNet]: 215 programPoint places, -46 predicate places. [2022-04-18 16:36:50,058 INFO L478 AbstractCegarLoop]: Abstraction has has 169 places, 0 transitions, 0 flow [2022-04-18 16:36:50,059 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 154.66666666666666) internal successors, (928), 6 states have internal predecessors, (928), 0 states have call successors, (0), 0 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 16:36:50,061 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (82 of 83 remaining) [2022-04-18 16:36:50,061 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (81 of 83 remaining) [2022-04-18 16:36:50,061 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (80 of 83 remaining) [2022-04-18 16:36:50,062 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (79 of 83 remaining) [2022-04-18 16:36:50,062 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (78 of 83 remaining) [2022-04-18 16:36:50,062 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (77 of 83 remaining) [2022-04-18 16:36:50,062 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (76 of 83 remaining) [2022-04-18 16:36:50,062 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (75 of 83 remaining) [2022-04-18 16:36:50,062 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (74 of 83 remaining) [2022-04-18 16:36:50,062 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (73 of 83 remaining) [2022-04-18 16:36:50,063 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (72 of 83 remaining) [2022-04-18 16:36:50,063 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (71 of 83 remaining) [2022-04-18 16:36:50,063 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (70 of 83 remaining) [2022-04-18 16:36:50,063 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (69 of 83 remaining) [2022-04-18 16:36:50,063 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (68 of 83 remaining) [2022-04-18 16:36:50,063 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (67 of 83 remaining) [2022-04-18 16:36:50,064 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (66 of 83 remaining) [2022-04-18 16:36:50,064 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (65 of 83 remaining) [2022-04-18 16:36:50,064 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (64 of 83 remaining) [2022-04-18 16:36:50,064 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (63 of 83 remaining) [2022-04-18 16:36:50,064 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (62 of 83 remaining) [2022-04-18 16:36:50,064 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (61 of 83 remaining) [2022-04-18 16:36:50,064 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (60 of 83 remaining) [2022-04-18 16:36:50,065 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (59 of 83 remaining) [2022-04-18 16:36:50,065 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (58 of 83 remaining) [2022-04-18 16:36:50,065 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (57 of 83 remaining) [2022-04-18 16:36:50,065 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (56 of 83 remaining) [2022-04-18 16:36:50,065 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (55 of 83 remaining) [2022-04-18 16:36:50,065 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (54 of 83 remaining) [2022-04-18 16:36:50,065 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (53 of 83 remaining) [2022-04-18 16:36:50,066 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (52 of 83 remaining) [2022-04-18 16:36:50,066 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (51 of 83 remaining) [2022-04-18 16:36:50,066 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (50 of 83 remaining) [2022-04-18 16:36:50,066 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (49 of 83 remaining) [2022-04-18 16:36:50,066 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (48 of 83 remaining) [2022-04-18 16:36:50,066 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (47 of 83 remaining) [2022-04-18 16:36:50,066 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (46 of 83 remaining) [2022-04-18 16:36:50,067 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (45 of 83 remaining) [2022-04-18 16:36:50,067 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (44 of 83 remaining) [2022-04-18 16:36:50,067 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (43 of 83 remaining) [2022-04-18 16:36:50,067 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (42 of 83 remaining) [2022-04-18 16:36:50,067 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (41 of 83 remaining) [2022-04-18 16:36:50,067 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (40 of 83 remaining) [2022-04-18 16:36:50,068 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (39 of 83 remaining) [2022-04-18 16:36:50,068 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (38 of 83 remaining) [2022-04-18 16:36:50,068 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (37 of 83 remaining) [2022-04-18 16:36:50,068 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (36 of 83 remaining) [2022-04-18 16:36:50,068 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (35 of 83 remaining) [2022-04-18 16:36:50,068 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (34 of 83 remaining) [2022-04-18 16:36:50,068 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (33 of 83 remaining) [2022-04-18 16:36:50,068 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (32 of 83 remaining) [2022-04-18 16:36:50,069 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (31 of 83 remaining) [2022-04-18 16:36:50,069 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (30 of 83 remaining) [2022-04-18 16:36:50,069 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (29 of 83 remaining) [2022-04-18 16:36:50,069 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (28 of 83 remaining) [2022-04-18 16:36:50,069 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (27 of 83 remaining) [2022-04-18 16:36:50,069 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (26 of 83 remaining) [2022-04-18 16:36:50,069 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (25 of 83 remaining) [2022-04-18 16:36:50,070 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (24 of 83 remaining) [2022-04-18 16:36:50,070 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (23 of 83 remaining) [2022-04-18 16:36:50,070 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (22 of 83 remaining) [2022-04-18 16:36:50,070 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (21 of 83 remaining) [2022-04-18 16:36:50,070 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (20 of 83 remaining) [2022-04-18 16:36:50,070 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (19 of 83 remaining) [2022-04-18 16:36:50,070 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (18 of 83 remaining) [2022-04-18 16:36:50,071 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (17 of 83 remaining) [2022-04-18 16:36:50,071 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (16 of 83 remaining) [2022-04-18 16:36:50,071 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (15 of 83 remaining) [2022-04-18 16:36:50,071 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (14 of 83 remaining) [2022-04-18 16:36:50,071 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (13 of 83 remaining) [2022-04-18 16:36:50,071 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (12 of 83 remaining) [2022-04-18 16:36:50,071 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (11 of 83 remaining) [2022-04-18 16:36:50,072 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (10 of 83 remaining) [2022-04-18 16:36:50,072 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (9 of 83 remaining) [2022-04-18 16:36:50,072 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (8 of 83 remaining) [2022-04-18 16:36:50,072 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (7 of 83 remaining) [2022-04-18 16:36:50,072 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (6 of 83 remaining) [2022-04-18 16:36:50,072 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (5 of 83 remaining) [2022-04-18 16:36:50,072 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (4 of 83 remaining) [2022-04-18 16:36:50,073 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (3 of 83 remaining) [2022-04-18 16:36:50,073 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (2 of 83 remaining) [2022-04-18 16:36:50,073 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (1 of 83 remaining) [2022-04-18 16:36:50,073 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (0 of 83 remaining) [2022-04-18 16:36:50,073 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-04-18 16:36:50,076 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:36:50,080 INFO L227 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-04-18 16:36:50,080 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-18 16:36:50,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 04:36:50 BasicIcfg [2022-04-18 16:36:50,083 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-18 16:36:50,083 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-04-18 16:36:50,084 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-04-18 16:36:50,084 INFO L275 PluginConnector]: Witness Printer initialized [2022-04-18 16:36:50,084 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:36:42" (3/4) ... [2022-04-18 16:36:50,086 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-04-18 16:36:50,089 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-04-18 16:36:50,089 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-04-18 16:36:50,089 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-04-18 16:36:50,090 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2022-04-18 16:36:50,093 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-04-18 16:36:50,093 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-04-18 16:36:50,093 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-04-18 16:36:50,094 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-04-18 16:36:50,117 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-04-18 16:36:50,118 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-04-18 16:36:50,118 INFO L158 Benchmark]: Toolchain (without parser) took 8799.08ms. Allocated memory was 92.3MB in the beginning and 4.3GB in the end (delta: 4.2GB). Free memory was 60.0MB in the beginning and 3.7GB in the end (delta: -3.6GB). Peak memory consumption was 571.1MB. Max. memory is 16.1GB. [2022-04-18 16:36:50,118 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 92.3MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 16:36:50,119 INFO L158 Benchmark]: CACSL2BoogieTranslator took 210.95ms. Allocated memory is still 92.3MB. Free memory was 59.7MB in the beginning and 66.4MB in the end (delta: -6.8MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2022-04-18 16:36:50,119 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.11ms. Allocated memory is still 92.3MB. Free memory was 66.4MB in the beginning and 64.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 16:36:50,119 INFO L158 Benchmark]: Boogie Preprocessor took 34.00ms. Allocated memory is still 92.3MB. Free memory was 64.2MB in the beginning and 62.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 16:36:50,119 INFO L158 Benchmark]: RCFGBuilder took 614.38ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 62.1MB in the beginning and 73.0MB in the end (delta: -10.9MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2022-04-18 16:36:50,120 INFO L158 Benchmark]: TraceAbstraction took 7867.98ms. Allocated memory was 111.1MB in the beginning and 4.3GB in the end (delta: 4.1GB). Free memory was 72.4MB in the beginning and 3.7GB in the end (delta: -3.6GB). Peak memory consumption was 696.5MB. Max. memory is 16.1GB. [2022-04-18 16:36:50,120 INFO L158 Benchmark]: Witness Printer took 34.32ms. Allocated memory is still 4.3GB. Free memory was 3.7GB in the beginning and 3.7GB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 16:36:50,121 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 92.3MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 210.95ms. Allocated memory is still 92.3MB. Free memory was 59.7MB in the beginning and 66.4MB in the end (delta: -6.8MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.11ms. Allocated memory is still 92.3MB. Free memory was 66.4MB in the beginning and 64.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.00ms. Allocated memory is still 92.3MB. Free memory was 64.2MB in the beginning and 62.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 614.38ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 62.1MB in the beginning and 73.0MB in the end (delta: -10.9MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. * TraceAbstraction took 7867.98ms. Allocated memory was 111.1MB in the beginning and 4.3GB in the end (delta: 4.1GB). Free memory was 72.4MB in the beginning and 3.7GB in the end (delta: -3.6GB). Peak memory consumption was 696.5MB. Max. memory is 16.1GB. * Witness Printer took 34.32ms. Allocated memory is still 4.3GB. Free memory was 3.7GB in the beginning and 3.7GB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. 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: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: 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: 63]: 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: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 124]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: 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: 126]: 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: 126]: 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: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 136]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 138]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 138]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: 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: 111]: 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 9 procedures, 292 locations, 83 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: 7.7s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 229 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 229 mSDsluCounter, 101 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 407 mSDsCounter, 81 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1049 IncrementalHoareTripleChecker+Invalid, 1130 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 81 mSolverCounterUnsat, 101 mSDtfsCounter, 1049 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=461occurred in iteration=9, InterpolantAutomatonStates: 51, 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, 0.5s InterpolantComputationTime, 882 NumberOfCodeBlocks, 882 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 869 ConstructedInterpolants, 0 QuantifiedInterpolants, 1211 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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 47 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-04-18 16:36:50,154 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