./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-4.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/UTaipan-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/TaipanReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-4.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UTaipan-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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4755329f7559a8be1422f8772c1ed30abe185c2742a237de140cc196ec4e9010 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 20:23:12,963 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 20:23:12,965 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 20:23:12,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 20:23:12,985 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 20:23:12,986 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 20:23:12,987 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 20:23:12,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 20:23:12,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 20:23:12,989 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 20:23:12,990 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 20:23:12,991 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 20:23:12,991 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 20:23:12,992 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 20:23:12,992 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 20:23:12,993 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 20:23:12,994 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 20:23:12,994 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 20:23:12,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 20:23:12,997 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 20:23:12,998 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 20:23:12,998 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 20:23:12,999 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 20:23:13,000 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 20:23:13,000 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 20:23:13,002 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 20:23:13,002 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 20:23:13,003 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 20:23:13,003 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 20:23:13,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 20:23:13,004 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 20:23:13,004 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 20:23:13,005 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 20:23:13,005 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 20:23:13,006 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 20:23:13,007 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 20:23:13,007 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 20:23:13,007 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 20:23:13,007 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 20:23:13,008 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 20:23:13,008 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 20:23:13,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 20:23:13,016 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-04-18 20:23:13,036 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 20:23:13,036 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 20:23:13,036 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 20:23:13,036 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 20:23:13,037 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 20:23:13,037 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 20:23:13,037 INFO L138 SettingsManager]: * User list type=DISABLED [2022-04-18 20:23:13,038 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-04-18 20:23:13,038 INFO L138 SettingsManager]: * Explicit value domain=true [2022-04-18 20:23:13,038 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-04-18 20:23:13,038 INFO L138 SettingsManager]: * Octagon Domain=false [2022-04-18 20:23:13,038 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-04-18 20:23:13,038 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-04-18 20:23:13,038 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-04-18 20:23:13,038 INFO L138 SettingsManager]: * Interval Domain=false [2022-04-18 20:23:13,039 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-04-18 20:23:13,039 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-04-18 20:23:13,039 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-04-18 20:23:13,040 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 20:23:13,040 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 20:23:13,040 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 20:23:13,040 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 20:23:13,040 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 20:23:13,041 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 20:23:13,041 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 20:23:13,041 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 20:23:13,041 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 20:23:13,041 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 20:23:13,041 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 20:23:13,042 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 20:23:13,042 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 20:23:13,042 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 20:23:13,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 20:23:13,042 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 20:23:13,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 20:23:13,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 20:23:13,043 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 20:23:13,043 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 20:23:13,043 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-04-18 20:23:13,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 20:23:13,043 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 20:23:13,043 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-18 20:23:13,043 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-18 20:23:13,043 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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/UTaipan-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UTaipan-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4755329f7559a8be1422f8772c1ed30abe185c2742a237de140cc196ec4e9010 [2022-04-18 20:23:13,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 20:23:13,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 20:23:13,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 20:23:13,251 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 20:23:13,252 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 20:23:13,253 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-4.wvr.c [2022-04-18 20:23:13,295 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/952859bbc/084918644c044685b5fcd245f23fd99c/FLAGe8e9f5df2 [2022-04-18 20:23:13,591 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 20:23:13,592 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-4.wvr.c [2022-04-18 20:23:13,598 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/952859bbc/084918644c044685b5fcd245f23fd99c/FLAGe8e9f5df2 [2022-04-18 20:23:14,023 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/952859bbc/084918644c044685b5fcd245f23fd99c [2022-04-18 20:23:14,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 20:23:14,028 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 20:23:14,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 20:23:14,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 20:23:14,033 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 20:23:14,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 08:23:14" (1/1) ... [2022-04-18 20:23:14,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28c6ad8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:23:14, skipping insertion in model container [2022-04-18 20:23:14,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 08:23:14" (1/1) ... [2022-04-18 20:23:14,039 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 20:23:14,058 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 20:23:14,247 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/unroll-cond-4.wvr.c[2808,2821] [2022-04-18 20:23:14,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 20:23:14,257 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 20:23:14,282 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/unroll-cond-4.wvr.c[2808,2821] [2022-04-18 20:23:14,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 20:23:14,294 INFO L208 MainTranslator]: Completed translation [2022-04-18 20:23:14,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:23:14 WrapperNode [2022-04-18 20:23:14,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 20:23:14,295 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 20:23:14,295 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 20:23:14,295 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 20:23:14,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:23:14" (1/1) ... [2022-04-18 20:23:14,320 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:23:14" (1/1) ... [2022-04-18 20:23:14,383 INFO L137 Inliner]: procedures = 24, calls = 41, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 414 [2022-04-18 20:23:14,384 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 20:23:14,384 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 20:23:14,384 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 20:23:14,384 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 20:23:14,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:23:14" (1/1) ... [2022-04-18 20:23:14,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:23:14" (1/1) ... [2022-04-18 20:23:14,395 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:23:14" (1/1) ... [2022-04-18 20:23:14,395 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:23:14" (1/1) ... [2022-04-18 20:23:14,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:23:14" (1/1) ... [2022-04-18 20:23:14,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:23:14" (1/1) ... [2022-04-18 20:23:14,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:23:14" (1/1) ... [2022-04-18 20:23:14,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 20:23:14,415 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 20:23:14,415 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 20:23:14,415 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 20:23:14,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:23:14" (1/1) ... [2022-04-18 20:23:14,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 20:23:14,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 [2022-04-18 20:23:14,441 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-18 20:23:14,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-18 20:23:14,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 20:23:14,468 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-04-18 20:23:14,468 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-04-18 20:23:14,468 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-04-18 20:23:14,468 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-04-18 20:23:14,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 20:23:14,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 20:23:14,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 20:23:14,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-04-18 20:23:14,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 20:23:14,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 20:23:14,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-18 20:23:14,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 20:23:14,469 WARN L208 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-04-18 20:23:14,532 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 20:23:14,533 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 20:23:14,972 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 20:23:14,991 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 20:23:14,991 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-04-18 20:23:14,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 08:23:14 BoogieIcfgContainer [2022-04-18 20:23:14,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 20:23:14,994 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 20:23:14,994 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 20:23:14,997 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 20:23:14,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 08:23:14" (1/3) ... [2022-04-18 20:23:14,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@299ac9fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 08:23:14, skipping insertion in model container [2022-04-18 20:23:14,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:23:14" (2/3) ... [2022-04-18 20:23:14,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@299ac9fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 08:23:14, skipping insertion in model container [2022-04-18 20:23:14,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 08:23:14" (3/3) ... [2022-04-18 20:23:14,998 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-4.wvr.c [2022-04-18 20:23:15,004 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 20:23:15,004 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 20:23:15,005 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 71 error locations. [2022-04-18 20:23:15,005 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 20:23:15,111 INFO L135 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-04-18 20:23:15,148 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 20:23:15,153 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=FINITE_AUTOMATA, 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 20:23:15,153 INFO L341 AbstractCegarLoop]: Starting to check reachability of 134 error locations. [2022-04-18 20:23:15,169 INFO L116 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-04-18 20:23:15,177 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 526 places, 548 transitions, 1112 flow [2022-04-18 20:23:15,179 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 526 places, 548 transitions, 1112 flow [2022-04-18 20:23:15,181 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 526 places, 548 transitions, 1112 flow [2022-04-18 20:23:15,304 INFO L129 PetriNetUnfolder]: 29/546 cut-off events. [2022-04-18 20:23:15,304 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-04-18 20:23:15,312 INFO L84 FinitePrefix]: Finished finitePrefix Result has 555 conditions, 546 events. 29/546 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1492 event pairs, 0 based on Foata normal form. 0/446 useless extension candidates. Maximal degree in co-relation 412. Up to 2 conditions per place. [2022-04-18 20:23:15,330 INFO L116 LiptonReduction]: Number of co-enabled transitions 50436 [2022-04-18 20:23:26,354 INFO L131 LiptonReduction]: Checked pairs total: 169645 [2022-04-18 20:23:26,354 INFO L133 LiptonReduction]: Total number of compositions: 711 [2022-04-18 20:23:26,360 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 160 places, 169 transitions, 354 flow [2022-04-18 20:23:26,667 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 15487 states, 14454 states have (on average 3.2277570222775704) internal successors, (46654), 15486 states have internal predecessors, (46654), 0 states have call successors, (0), 0 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 20:23:26,699 INFO L276 IsEmpty]: Start isEmpty. Operand has 15487 states, 14454 states have (on average 3.2277570222775704) internal successors, (46654), 15486 states have internal predecessors, (46654), 0 states have call successors, (0), 0 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 20:23:26,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-04-18 20:23:26,703 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 20:23:26,704 INFO L499 BasicCegarLoop]: trace histogram [1] [2022-04-18 20:23:26,704 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2022-04-18 20:23:26,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 20:23:26,707 INFO L85 PathProgramCache]: Analyzing trace with hash 2225, now seen corresponding path program 1 times [2022-04-18 20:23:26,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 20:23:26,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716247787] [2022-04-18 20:23:26,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 20:23:26,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 20:23:26,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 20:23:26,779 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 20:23:26,779 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 20:23:26,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716247787] [2022-04-18 20:23:26,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716247787] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 20:23:26,780 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 20:23:26,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-04-18 20:23:26,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688245072] [2022-04-18 20:23:26,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 20:23:26,784 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-04-18 20:23:26,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 20:23:26,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-04-18 20:23:26,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 20:23:26,830 INFO L87 Difference]: Start difference. First operand has 15487 states, 14454 states have (on average 3.2277570222775704) internal successors, (46654), 15486 states have internal predecessors, (46654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 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 20:23:26,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 20:23:26,983 INFO L93 Difference]: Finished difference Result 6498 states and 18435 transitions. [2022-04-18 20:23:26,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 20:23:26,986 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2022-04-18 20:23:26,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 20:23:27,033 INFO L225 Difference]: With dead ends: 6498 [2022-04-18 20:23:27,033 INFO L226 Difference]: Without dead ends: 6493 [2022-04-18 20:23:27,034 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 20:23:27,037 INFO L913 BasicCegarLoop]: 45 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-18 20:23:27,038 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 45 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-18 20:23:27,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6493 states. [2022-04-18 20:23:27,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6493 to 6493. [2022-04-18 20:23:27,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6493 states, 6419 states have (on average 2.8702290076335877) internal successors, (18424), 6492 states have internal predecessors, (18424), 0 states have call successors, (0), 0 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 20:23:27,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6493 states to 6493 states and 18424 transitions. [2022-04-18 20:23:27,280 INFO L78 Accepts]: Start accepts. Automaton has 6493 states and 18424 transitions. Word has length 1 [2022-04-18 20:23:27,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 20:23:27,280 INFO L478 AbstractCegarLoop]: Abstraction has 6493 states and 18424 transitions. [2022-04-18 20:23:27,280 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 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 20:23:27,281 INFO L276 IsEmpty]: Start isEmpty. Operand 6493 states and 18424 transitions. [2022-04-18 20:23:27,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-04-18 20:23:27,281 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 20:23:27,281 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 20:23:27,282 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 20:23:27,282 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err29ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2022-04-18 20:23:27,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 20:23:27,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1246123915, now seen corresponding path program 1 times [2022-04-18 20:23:27,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 20:23:27,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179947223] [2022-04-18 20:23:27,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 20:23:27,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 20:23:27,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 20:23:27,389 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 20:23:27,390 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 20:23:27,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179947223] [2022-04-18 20:23:27,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179947223] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 20:23:27,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 20:23:27,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 20:23:27,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915142582] [2022-04-18 20:23:27,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 20:23:27,393 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 20:23:27,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 20:23:27,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 20:23:27,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 20:23:27,402 INFO L87 Difference]: Start difference. First operand 6493 states and 18424 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 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 20:23:27,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 20:23:27,510 INFO L93 Difference]: Finished difference Result 6222 states and 17666 transitions. [2022-04-18 20:23:27,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 20:23:27,511 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-04-18 20:23:27,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 20:23:27,535 INFO L225 Difference]: With dead ends: 6222 [2022-04-18 20:23:27,536 INFO L226 Difference]: Without dead ends: 6222 [2022-04-18 20:23:27,536 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 20:23:27,537 INFO L913 BasicCegarLoop]: 50 mSDtfsCounter, 87 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-18 20:23:27,537 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [87 Valid, 56 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-18 20:23:27,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6222 states. [2022-04-18 20:23:27,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6222 to 6199. [2022-04-18 20:23:27,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6199 states, 6140 states have (on average 2.8667752442996743) internal successors, (17602), 6198 states have internal predecessors, (17602), 0 states have call successors, (0), 0 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 20:23:27,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6199 states to 6199 states and 17602 transitions. [2022-04-18 20:23:27,717 INFO L78 Accepts]: Start accepts. Automaton has 6199 states and 17602 transitions. Word has length 9 [2022-04-18 20:23:27,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 20:23:27,717 INFO L478 AbstractCegarLoop]: Abstraction has 6199 states and 17602 transitions. [2022-04-18 20:23:27,718 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 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 20:23:27,718 INFO L276 IsEmpty]: Start isEmpty. Operand 6199 states and 17602 transitions. [2022-04-18 20:23:27,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-04-18 20:23:27,720 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 20:23:27,720 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 20:23:27,720 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 20:23:27,721 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2022-04-18 20:23:27,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 20:23:27,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1227192774, now seen corresponding path program 1 times [2022-04-18 20:23:27,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 20:23:27,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321466148] [2022-04-18 20:23:27,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 20:23:27,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 20:23:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 20:23:27,799 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 20:23:27,799 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 20:23:27,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321466148] [2022-04-18 20:23:27,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321466148] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 20:23:27,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 20:23:27,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 20:23:27,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550060752] [2022-04-18 20:23:27,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 20:23:27,800 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 20:23:27,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 20:23:27,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 20:23:27,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 20:23:27,801 INFO L87 Difference]: Start difference. First operand 6199 states and 17602 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 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 20:23:27,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 20:23:27,902 INFO L93 Difference]: Finished difference Result 6200 states and 17603 transitions. [2022-04-18 20:23:27,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 20:23:27,902 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-04-18 20:23:27,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 20:23:27,924 INFO L225 Difference]: With dead ends: 6200 [2022-04-18 20:23:27,924 INFO L226 Difference]: Without dead ends: 6200 [2022-04-18 20:23:27,925 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 20:23:27,925 INFO L913 BasicCegarLoop]: 42 mSDtfsCounter, 0 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-18 20:23:27,926 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-18 20:23:27,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6200 states. [2022-04-18 20:23:28,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6200 to 6200. [2022-04-18 20:23:28,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6200 states, 6141 states have (on average 2.866471258752646) internal successors, (17603), 6199 states have internal predecessors, (17603), 0 states have call successors, (0), 0 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 20:23:28,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6200 states to 6200 states and 17603 transitions. [2022-04-18 20:23:28,096 INFO L78 Accepts]: Start accepts. Automaton has 6200 states and 17603 transitions. Word has length 9 [2022-04-18 20:23:28,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 20:23:28,098 INFO L478 AbstractCegarLoop]: Abstraction has 6200 states and 17603 transitions. [2022-04-18 20:23:28,098 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 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 20:23:28,098 INFO L276 IsEmpty]: Start isEmpty. Operand 6200 states and 17603 transitions. [2022-04-18 20:23:28,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-04-18 20:23:28,099 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 20:23:28,099 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 20:23:28,099 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-18 20:23:28,099 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2022-04-18 20:23:28,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 20:23:28,100 INFO L85 PathProgramCache]: Analyzing trace with hash 2104989348, now seen corresponding path program 1 times [2022-04-18 20:23:28,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 20:23:28,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638270250] [2022-04-18 20:23:28,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 20:23:28,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 20:23:28,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 20:23:28,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-18 20:23:28,157 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 20:23:28,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638270250] [2022-04-18 20:23:28,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638270250] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 20:23:28,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 20:23:28,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-18 20:23:28,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225194790] [2022-04-18 20:23:28,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 20:23:28,158 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-18 20:23:28,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 20:23:28,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-18 20:23:28,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-04-18 20:23:28,159 INFO L87 Difference]: Start difference. First operand 6200 states and 17603 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 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 20:23:28,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 20:23:28,672 INFO L93 Difference]: Finished difference Result 5381 states and 15107 transitions. [2022-04-18 20:23:28,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-18 20:23:28,673 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-04-18 20:23:28,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 20:23:28,688 INFO L225 Difference]: With dead ends: 5381 [2022-04-18 20:23:28,688 INFO L226 Difference]: Without dead ends: 5381 [2022-04-18 20:23:28,689 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-04-18 20:23:28,689 INFO L913 BasicCegarLoop]: 61 mSDtfsCounter, 123 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-04-18 20:23:28,690 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 97 Invalid, 701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-04-18 20:23:28,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5381 states. [2022-04-18 20:23:28,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5381 to 5381. [2022-04-18 20:23:28,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5381 states, 5346 states have (on average 2.8258511036288816) internal successors, (15107), 5380 states have internal predecessors, (15107), 0 states have call successors, (0), 0 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 20:23:28,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5381 states to 5381 states and 15107 transitions. [2022-04-18 20:23:28,851 INFO L78 Accepts]: Start accepts. Automaton has 5381 states and 15107 transitions. Word has length 10 [2022-04-18 20:23:28,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 20:23:28,851 INFO L478 AbstractCegarLoop]: Abstraction has 5381 states and 15107 transitions. [2022-04-18 20:23:28,851 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 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 20:23:28,851 INFO L276 IsEmpty]: Start isEmpty. Operand 5381 states and 15107 transitions. [2022-04-18 20:23:28,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-04-18 20:23:28,852 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 20:23:28,852 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 20:23:28,852 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-18 20:23:28,852 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err41ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2022-04-18 20:23:28,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 20:23:28,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1901293083, now seen corresponding path program 1 times [2022-04-18 20:23:28,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 20:23:28,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887677623] [2022-04-18 20:23:28,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 20:23:28,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 20:23:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 20:23:28,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-18 20:23:28,889 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 20:23:28,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887677623] [2022-04-18 20:23:28,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887677623] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 20:23:28,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 20:23:28,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 20:23:28,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991851127] [2022-04-18 20:23:28,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 20:23:28,890 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 20:23:28,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 20:23:28,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 20:23:28,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 20:23:28,890 INFO L87 Difference]: Start difference. First operand 5381 states and 15107 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 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 20:23:28,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 20:23:28,999 INFO L93 Difference]: Finished difference Result 5645 states and 15919 transitions. [2022-04-18 20:23:28,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 20:23:28,999 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-04-18 20:23:28,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 20:23:29,013 INFO L225 Difference]: With dead ends: 5645 [2022-04-18 20:23:29,013 INFO L226 Difference]: Without dead ends: 5645 [2022-04-18 20:23:29,014 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 20:23:29,014 INFO L913 BasicCegarLoop]: 51 mSDtfsCounter, 81 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-18 20:23:29,015 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [81 Valid, 63 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-18 20:23:29,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5645 states. [2022-04-18 20:23:29,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5645 to 5041. [2022-04-18 20:23:29,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5041 states, 5018 states have (on average 2.8232363491430847) internal successors, (14167), 5040 states have internal predecessors, (14167), 0 states have call successors, (0), 0 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 20:23:29,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5041 states to 5041 states and 14167 transitions. [2022-04-18 20:23:29,107 INFO L78 Accepts]: Start accepts. Automaton has 5041 states and 14167 transitions. Word has length 13 [2022-04-18 20:23:29,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 20:23:29,107 INFO L478 AbstractCegarLoop]: Abstraction has 5041 states and 14167 transitions. [2022-04-18 20:23:29,107 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 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 20:23:29,107 INFO L276 IsEmpty]: Start isEmpty. Operand 5041 states and 14167 transitions. [2022-04-18 20:23:29,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-04-18 20:23:29,109 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 20:23:29,109 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 20:23:29,109 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-18 20:23:29,109 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2022-04-18 20:23:29,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 20:23:29,110 INFO L85 PathProgramCache]: Analyzing trace with hash 522979488, now seen corresponding path program 1 times [2022-04-18 20:23:29,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 20:23:29,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845420007] [2022-04-18 20:23:29,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 20:23:29,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 20:23:29,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 20:23:29,155 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-18 20:23:29,155 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 20:23:29,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845420007] [2022-04-18 20:23:29,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845420007] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 20:23:29,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 20:23:29,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-18 20:23:29,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146003616] [2022-04-18 20:23:29,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 20:23:29,156 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-18 20:23:29,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 20:23:29,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-18 20:23:29,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-04-18 20:23:29,157 INFO L87 Difference]: Start difference. First operand 5041 states and 14167 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 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 20:23:29,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 20:23:29,623 INFO L93 Difference]: Finished difference Result 4685 states and 13142 transitions. [2022-04-18 20:23:29,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-18 20:23:29,623 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-04-18 20:23:29,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 20:23:29,634 INFO L225 Difference]: With dead ends: 4685 [2022-04-18 20:23:29,634 INFO L226 Difference]: Without dead ends: 4685 [2022-04-18 20:23:29,634 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-04-18 20:23:29,635 INFO L913 BasicCegarLoop]: 44 mSDtfsCounter, 90 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-04-18 20:23:29,635 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [90 Valid, 60 Invalid, 676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 555 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-04-18 20:23:29,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4685 states. [2022-04-18 20:23:29,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4685 to 4685. [2022-04-18 20:23:29,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4685 states, 4670 states have (on average 2.8141327623126338) internal successors, (13142), 4684 states have internal predecessors, (13142), 0 states have call successors, (0), 0 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 20:23:29,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4685 states to 4685 states and 13142 transitions. [2022-04-18 20:23:29,743 INFO L78 Accepts]: Start accepts. Automaton has 4685 states and 13142 transitions. Word has length 14 [2022-04-18 20:23:29,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 20:23:29,743 INFO L478 AbstractCegarLoop]: Abstraction has 4685 states and 13142 transitions. [2022-04-18 20:23:29,743 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 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 20:23:29,743 INFO L276 IsEmpty]: Start isEmpty. Operand 4685 states and 13142 transitions. [2022-04-18 20:23:29,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-04-18 20:23:29,744 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 20:23:29,744 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 20:23:29,744 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-18 20:23:29,744 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2022-04-18 20:23:29,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 20:23:29,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1654830066, now seen corresponding path program 1 times [2022-04-18 20:23:29,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 20:23:29,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096495374] [2022-04-18 20:23:29,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 20:23:29,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 20:23:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 20:23:29,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-18 20:23:29,788 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 20:23:29,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096495374] [2022-04-18 20:23:29,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096495374] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 20:23:29,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 20:23:29,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-18 20:23:29,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172499278] [2022-04-18 20:23:29,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 20:23:29,789 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-18 20:23:29,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 20:23:29,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-18 20:23:29,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-04-18 20:23:29,790 INFO L87 Difference]: Start difference. First operand 4685 states and 13142 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 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 20:23:30,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 20:23:30,012 INFO L93 Difference]: Finished difference Result 4132 states and 11616 transitions. [2022-04-18 20:23:30,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-18 20:23:30,012 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-04-18 20:23:30,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 20:23:30,021 INFO L225 Difference]: With dead ends: 4132 [2022-04-18 20:23:30,022 INFO L226 Difference]: Without dead ends: 4032 [2022-04-18 20:23:30,022 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-04-18 20:23:30,023 INFO L913 BasicCegarLoop]: 23 mSDtfsCounter, 33 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-18 20:23:30,023 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 34 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-18 20:23:30,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4032 states. [2022-04-18 20:23:30,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4032 to 4032. [2022-04-18 20:23:30,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4032 states, 4031 states have (on average 2.8310592904986356) internal successors, (11412), 4031 states have internal predecessors, (11412), 0 states have call successors, (0), 0 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 20:23:30,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4032 states to 4032 states and 11412 transitions. [2022-04-18 20:23:30,092 INFO L78 Accepts]: Start accepts. Automaton has 4032 states and 11412 transitions. Word has length 15 [2022-04-18 20:23:30,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 20:23:30,092 INFO L478 AbstractCegarLoop]: Abstraction has 4032 states and 11412 transitions. [2022-04-18 20:23:30,092 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 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 20:23:30,092 INFO L276 IsEmpty]: Start isEmpty. Operand 4032 states and 11412 transitions. [2022-04-18 20:23:30,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-04-18 20:23:30,095 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 20:23:30,095 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 20:23:30,095 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-18 20:23:30,096 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2022-04-18 20:23:30,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 20:23:30,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1240836897, now seen corresponding path program 1 times [2022-04-18 20:23:30,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 20:23:30,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301213640] [2022-04-18 20:23:30,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 20:23:30,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 20:23:30,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 20:23:30,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-18 20:23:30,208 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 20:23:30,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301213640] [2022-04-18 20:23:30,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301213640] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 20:23:30,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 20:23:30,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-18 20:23:30,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901563042] [2022-04-18 20:23:30,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 20:23:30,209 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-18 20:23:30,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 20:23:30,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-18 20:23:30,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-04-18 20:23:30,209 INFO L87 Difference]: Start difference. First operand 4032 states and 11412 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 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 20:23:30,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 20:23:30,564 INFO L93 Difference]: Finished difference Result 3980 states and 11305 transitions. [2022-04-18 20:23:30,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-18 20:23:30,564 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-04-18 20:23:30,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 20:23:30,564 INFO L225 Difference]: With dead ends: 3980 [2022-04-18 20:23:30,564 INFO L226 Difference]: Without dead ends: 0 [2022-04-18 20:23:30,565 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-04-18 20:23:30,565 INFO L913 BasicCegarLoop]: 43 mSDtfsCounter, 81 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-18 20:23:30,565 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [81 Valid, 54 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-18 20:23:30,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-18 20:23:30,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-18 20:23:30,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 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 20:23:30,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-18 20:23:30,566 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2022-04-18 20:23:30,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 20:23:30,566 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-18 20:23:30,566 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 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 20:23:30,566 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-18 20:23:30,566 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-18 20:23:30,568 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (133 of 134 remaining) [2022-04-18 20:23:30,568 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (132 of 134 remaining) [2022-04-18 20:23:30,568 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (131 of 134 remaining) [2022-04-18 20:23:30,569 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (130 of 134 remaining) [2022-04-18 20:23:30,569 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (129 of 134 remaining) [2022-04-18 20:23:30,569 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (128 of 134 remaining) [2022-04-18 20:23:30,569 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (127 of 134 remaining) [2022-04-18 20:23:30,569 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (126 of 134 remaining) [2022-04-18 20:23:30,569 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (125 of 134 remaining) [2022-04-18 20:23:30,569 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (124 of 134 remaining) [2022-04-18 20:23:30,569 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (123 of 134 remaining) [2022-04-18 20:23:30,569 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (122 of 134 remaining) [2022-04-18 20:23:30,569 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err37ASSERT_VIOLATIONDATA_RACE (121 of 134 remaining) [2022-04-18 20:23:30,569 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err38ASSERT_VIOLATIONDATA_RACE (120 of 134 remaining) [2022-04-18 20:23:30,569 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err45ASSERT_VIOLATIONDATA_RACE (119 of 134 remaining) [2022-04-18 20:23:30,569 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (118 of 134 remaining) [2022-04-18 20:23:30,570 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (117 of 134 remaining) [2022-04-18 20:23:30,570 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (116 of 134 remaining) [2022-04-18 20:23:30,570 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (115 of 134 remaining) [2022-04-18 20:23:30,570 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err46ASSERT_VIOLATIONDATA_RACE (114 of 134 remaining) [2022-04-18 20:23:30,570 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err39ASSERT_VIOLATIONDATA_RACE (113 of 134 remaining) [2022-04-18 20:23:30,570 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err40ASSERT_VIOLATIONDATA_RACE (112 of 134 remaining) [2022-04-18 20:23:30,570 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err47ASSERT_VIOLATIONDATA_RACE (111 of 134 remaining) [2022-04-18 20:23:30,570 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (110 of 134 remaining) [2022-04-18 20:23:30,570 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (109 of 134 remaining) [2022-04-18 20:23:30,570 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err48ASSERT_VIOLATIONDATA_RACE (108 of 134 remaining) [2022-04-18 20:23:30,570 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (107 of 134 remaining) [2022-04-18 20:23:30,570 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (106 of 134 remaining) [2022-04-18 20:23:30,571 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err41ASSERT_VIOLATIONDATA_RACE (105 of 134 remaining) [2022-04-18 20:23:30,571 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err42ASSERT_VIOLATIONDATA_RACE (104 of 134 remaining) [2022-04-18 20:23:30,571 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err49ASSERT_VIOLATIONDATA_RACE (103 of 134 remaining) [2022-04-18 20:23:30,571 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (102 of 134 remaining) [2022-04-18 20:23:30,571 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (101 of 134 remaining) [2022-04-18 20:23:30,575 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err50ASSERT_VIOLATIONDATA_RACE (100 of 134 remaining) [2022-04-18 20:23:30,575 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err43ASSERT_VIOLATIONDATA_RACE (99 of 134 remaining) [2022-04-18 20:23:30,575 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (98 of 134 remaining) [2022-04-18 20:23:30,575 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err36ASSERT_VIOLATIONDATA_RACE (97 of 134 remaining) [2022-04-18 20:23:30,575 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err51ASSERT_VIOLATIONDATA_RACE (96 of 134 remaining) [2022-04-18 20:23:30,576 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err44ASSERT_VIOLATIONDATA_RACE (95 of 134 remaining) [2022-04-18 20:23:30,576 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err52ASSERT_VIOLATIONDATA_RACE (94 of 134 remaining) [2022-04-18 20:23:30,576 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (93 of 134 remaining) [2022-04-18 20:23:30,576 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (92 of 134 remaining) [2022-04-18 20:23:30,576 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (91 of 134 remaining) [2022-04-18 20:23:30,576 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (90 of 134 remaining) [2022-04-18 20:23:30,577 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (89 of 134 remaining) [2022-04-18 20:23:30,577 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (88 of 134 remaining) [2022-04-18 20:23:30,577 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (87 of 134 remaining) [2022-04-18 20:23:30,577 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (86 of 134 remaining) [2022-04-18 20:23:30,577 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (85 of 134 remaining) [2022-04-18 20:23:30,577 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (84 of 134 remaining) [2022-04-18 20:23:30,577 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (83 of 134 remaining) [2022-04-18 20:23:30,578 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (82 of 134 remaining) [2022-04-18 20:23:30,578 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (81 of 134 remaining) [2022-04-18 20:23:30,578 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (80 of 134 remaining) [2022-04-18 20:23:30,578 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (79 of 134 remaining) [2022-04-18 20:23:30,578 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (78 of 134 remaining) [2022-04-18 20:23:30,578 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (77 of 134 remaining) [2022-04-18 20:23:30,578 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (76 of 134 remaining) [2022-04-18 20:23:30,579 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (75 of 134 remaining) [2022-04-18 20:23:30,579 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (74 of 134 remaining) [2022-04-18 20:23:30,579 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (73 of 134 remaining) [2022-04-18 20:23:30,579 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (72 of 134 remaining) [2022-04-18 20:23:30,579 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (71 of 134 remaining) [2022-04-18 20:23:30,579 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (70 of 134 remaining) [2022-04-18 20:23:30,579 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (69 of 134 remaining) [2022-04-18 20:23:30,580 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (68 of 134 remaining) [2022-04-18 20:23:30,580 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (67 of 134 remaining) [2022-04-18 20:23:30,580 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (66 of 134 remaining) [2022-04-18 20:23:30,580 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (65 of 134 remaining) [2022-04-18 20:23:30,580 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (64 of 134 remaining) [2022-04-18 20:23:30,580 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (63 of 134 remaining) [2022-04-18 20:23:30,580 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (62 of 134 remaining) [2022-04-18 20:23:30,581 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (61 of 134 remaining) [2022-04-18 20:23:30,581 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (60 of 134 remaining) [2022-04-18 20:23:30,581 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (59 of 134 remaining) [2022-04-18 20:23:30,581 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (58 of 134 remaining) [2022-04-18 20:23:30,581 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (57 of 134 remaining) [2022-04-18 20:23:30,581 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (56 of 134 remaining) [2022-04-18 20:23:30,582 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (55 of 134 remaining) [2022-04-18 20:23:30,582 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (54 of 134 remaining) [2022-04-18 20:23:30,582 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (53 of 134 remaining) [2022-04-18 20:23:30,582 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (52 of 134 remaining) [2022-04-18 20:23:30,582 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (51 of 134 remaining) [2022-04-18 20:23:30,582 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (50 of 134 remaining) [2022-04-18 20:23:30,582 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (49 of 134 remaining) [2022-04-18 20:23:30,583 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err37ASSERT_VIOLATIONDATA_RACE (48 of 134 remaining) [2022-04-18 20:23:30,583 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err38ASSERT_VIOLATIONDATA_RACE (47 of 134 remaining) [2022-04-18 20:23:30,583 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err45ASSERT_VIOLATIONDATA_RACE (46 of 134 remaining) [2022-04-18 20:23:30,583 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (45 of 134 remaining) [2022-04-18 20:23:30,583 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (44 of 134 remaining) [2022-04-18 20:23:30,583 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (43 of 134 remaining) [2022-04-18 20:23:30,583 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (42 of 134 remaining) [2022-04-18 20:23:30,584 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err46ASSERT_VIOLATIONDATA_RACE (41 of 134 remaining) [2022-04-18 20:23:30,584 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err39ASSERT_VIOLATIONDATA_RACE (40 of 134 remaining) [2022-04-18 20:23:30,584 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err40ASSERT_VIOLATIONDATA_RACE (39 of 134 remaining) [2022-04-18 20:23:30,584 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err47ASSERT_VIOLATIONDATA_RACE (38 of 134 remaining) [2022-04-18 20:23:30,584 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (37 of 134 remaining) [2022-04-18 20:23:30,584 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (36 of 134 remaining) [2022-04-18 20:23:30,585 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err48ASSERT_VIOLATIONDATA_RACE (35 of 134 remaining) [2022-04-18 20:23:30,585 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (34 of 134 remaining) [2022-04-18 20:23:30,585 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (33 of 134 remaining) [2022-04-18 20:23:30,585 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err41ASSERT_VIOLATIONDATA_RACE (32 of 134 remaining) [2022-04-18 20:23:30,585 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err42ASSERT_VIOLATIONDATA_RACE (31 of 134 remaining) [2022-04-18 20:23:30,585 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err49ASSERT_VIOLATIONDATA_RACE (30 of 134 remaining) [2022-04-18 20:23:30,585 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (29 of 134 remaining) [2022-04-18 20:23:30,586 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (28 of 134 remaining) [2022-04-18 20:23:30,586 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err50ASSERT_VIOLATIONDATA_RACE (27 of 134 remaining) [2022-04-18 20:23:30,586 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err43ASSERT_VIOLATIONDATA_RACE (26 of 134 remaining) [2022-04-18 20:23:30,586 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (25 of 134 remaining) [2022-04-18 20:23:30,586 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err36ASSERT_VIOLATIONDATA_RACE (24 of 134 remaining) [2022-04-18 20:23:30,586 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err51ASSERT_VIOLATIONDATA_RACE (23 of 134 remaining) [2022-04-18 20:23:30,586 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err44ASSERT_VIOLATIONDATA_RACE (22 of 134 remaining) [2022-04-18 20:23:30,587 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err52ASSERT_VIOLATIONDATA_RACE (21 of 134 remaining) [2022-04-18 20:23:30,587 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (20 of 134 remaining) [2022-04-18 20:23:30,587 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (19 of 134 remaining) [2022-04-18 20:23:30,587 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (18 of 134 remaining) [2022-04-18 20:23:30,587 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (17 of 134 remaining) [2022-04-18 20:23:30,587 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (16 of 134 remaining) [2022-04-18 20:23:30,587 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (15 of 134 remaining) [2022-04-18 20:23:30,588 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (14 of 134 remaining) [2022-04-18 20:23:30,588 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (13 of 134 remaining) [2022-04-18 20:23:30,588 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (12 of 134 remaining) [2022-04-18 20:23:30,588 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (11 of 134 remaining) [2022-04-18 20:23:30,588 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (10 of 134 remaining) [2022-04-18 20:23:30,588 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (9 of 134 remaining) [2022-04-18 20:23:30,588 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (8 of 134 remaining) [2022-04-18 20:23:30,589 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (7 of 134 remaining) [2022-04-18 20:23:30,589 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (6 of 134 remaining) [2022-04-18 20:23:30,589 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (5 of 134 remaining) [2022-04-18 20:23:30,589 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (4 of 134 remaining) [2022-04-18 20:23:30,589 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (3 of 134 remaining) [2022-04-18 20:23:30,589 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (2 of 134 remaining) [2022-04-18 20:23:30,590 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (1 of 134 remaining) [2022-04-18 20:23:30,590 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (0 of 134 remaining) [2022-04-18 20:23:30,590 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-04-18 20:23:30,592 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 20:23:30,597 INFO L227 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-04-18 20:23:30,597 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-18 20:23:30,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 08:23:30 BasicIcfg [2022-04-18 20:23:30,602 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-18 20:23:30,603 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-04-18 20:23:30,603 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-04-18 20:23:30,603 INFO L275 PluginConnector]: Witness Printer initialized [2022-04-18 20:23:30,604 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 08:23:14" (3/4) ... [2022-04-18 20:23:30,606 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-04-18 20:23:30,610 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-04-18 20:23:30,610 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-04-18 20:23:30,615 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-04-18 20:23:30,615 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-04-18 20:23:30,615 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-04-18 20:23:30,616 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-04-18 20:23:30,650 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/witness.graphml [2022-04-18 20:23:30,650 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-04-18 20:23:30,650 INFO L158 Benchmark]: Toolchain (without parser) took 16622.17ms. Allocated memory was 79.7MB in the beginning and 570.4MB in the end (delta: 490.7MB). Free memory was 37.2MB in the beginning and 400.9MB in the end (delta: -363.6MB). Peak memory consumption was 125.4MB. Max. memory is 16.1GB. [2022-04-18 20:23:30,651 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 79.7MB. Free memory is still 53.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 20:23:30,651 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.18ms. Allocated memory was 79.7MB in the beginning and 119.5MB in the end (delta: 39.8MB). Free memory was 37.0MB in the beginning and 88.3MB in the end (delta: -51.3MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2022-04-18 20:23:30,651 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.66ms. Allocated memory is still 119.5MB. Free memory was 88.3MB in the beginning and 97.5MB in the end (delta: -9.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-04-18 20:23:30,651 INFO L158 Benchmark]: Boogie Preprocessor took 30.36ms. Allocated memory is still 119.5MB. Free memory was 97.5MB in the beginning and 94.7MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 20:23:30,652 INFO L158 Benchmark]: RCFGBuilder took 577.97ms. Allocated memory is still 119.5MB. Free memory was 94.7MB in the beginning and 63.5MB in the end (delta: 31.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-04-18 20:23:30,652 INFO L158 Benchmark]: TraceAbstraction took 15607.71ms. Allocated memory was 119.5MB in the beginning and 570.4MB in the end (delta: 450.9MB). Free memory was 62.8MB in the beginning and 405.1MB in the end (delta: -342.3MB). Peak memory consumption was 108.6MB. Max. memory is 16.1GB. [2022-04-18 20:23:30,652 INFO L158 Benchmark]: Witness Printer took 46.98ms. Allocated memory is still 570.4MB. Free memory was 405.1MB in the beginning and 400.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-04-18 20:23:30,654 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 79.7MB. Free memory is still 53.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 264.18ms. Allocated memory was 79.7MB in the beginning and 119.5MB in the end (delta: 39.8MB). Free memory was 37.0MB in the beginning and 88.3MB in the end (delta: -51.3MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.66ms. Allocated memory is still 119.5MB. Free memory was 88.3MB in the beginning and 97.5MB in the end (delta: -9.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.36ms. Allocated memory is still 119.5MB. Free memory was 97.5MB in the beginning and 94.7MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 577.97ms. Allocated memory is still 119.5MB. Free memory was 94.7MB in the beginning and 63.5MB in the end (delta: 31.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 15607.71ms. Allocated memory was 119.5MB in the beginning and 570.4MB in the end (delta: 450.9MB). Free memory was 62.8MB in the beginning and 405.1MB in the end (delta: -342.3MB). Peak memory consumption was 108.6MB. Max. memory is 16.1GB. * Witness Printer took 46.98ms. Allocated memory is still 570.4MB. Free memory was 405.1MB in the beginning and 400.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.2s, 526 PlacesBefore, 160 PlacesAfterwards, 548 TransitionsBefore, 169 TransitionsAfterwards, 50436 CoEnabledTransitionPairs, 11 FixpointIterations, 140 TrivialSequentialCompositions, 482 ConcurrentSequentialCompositions, 15 TrivialYvCompositions, 61 ConcurrentYvCompositions, 13 ChoiceCompositions, 711 TotalNumberOfCompositions, 169645 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 85795, positive: 84212, positive conditional: 0, positive unconditional: 84212, negative: 1583, negative conditional: 0, negative unconditional: 1583, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 39113, positive: 38748, positive conditional: 0, positive unconditional: 38748, negative: 365, negative conditional: 0, negative unconditional: 365, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 39113, positive: 36570, positive conditional: 0, positive unconditional: 36570, negative: 2543, negative conditional: 0, negative unconditional: 2543, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2543, positive: 2178, positive conditional: 0, positive unconditional: 2178, negative: 365, negative conditional: 0, negative unconditional: 365, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2379, positive: 1897, positive conditional: 0, positive unconditional: 1897, negative: 482, negative conditional: 0, negative unconditional: 482, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 85795, positive: 45464, positive conditional: 0, positive unconditional: 45464, negative: 1218, negative conditional: 0, negative unconditional: 1218, unknown: 39113, unknown conditional: 0, unknown unconditional: 39113] , Statistics on independence cache: Total cache size (in pairs): 4438, Positive cache size: 4289, Positive conditional cache size: 0, Positive unconditional cache size: 4289, Negative cache size: 149, Negative conditional cache size: 0, Negative unconditional cache size: 149 - 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: 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: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 894 locations, 134 error locations. Started 1 CEGAR loops. OverallTime: 15.4s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.5s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 495 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 495 mSDsluCounter, 493 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 484 mSDsCounter, 452 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2118 IncrementalHoareTripleChecker+Invalid, 2570 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 452 mSolverCounterUnsat, 359 mSDtfsCounter, 2118 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15487occurred in iteration=0, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 627 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 322 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 5/5 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 71 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-04-18 20:23:30,697 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UTaipan-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