./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-1.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version efd9311c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/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/parallel-misc-1.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 c870162e8691a06e8bb6a8083be9eaf3f7ddc94357fb302a6e1fdd1b7aa873f8 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 20:18:52,200 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 20:18:52,201 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 20:18:52,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 20:18:52,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 20:18:52,228 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 20:18:52,232 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 20:18:52,236 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 20:18:52,237 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 20:18:52,240 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 20:18:52,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 20:18:52,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 20:18:52,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 20:18:52,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 20:18:52,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 20:18:52,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 20:18:52,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 20:18:52,248 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 20:18:52,250 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 20:18:52,253 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 20:18:52,254 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 20:18:52,255 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 20:18:52,255 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 20:18:52,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 20:18:52,257 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 20:18:52,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 20:18:52,260 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 20:18:52,260 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 20:18:52,261 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 20:18:52,261 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 20:18:52,262 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 20:18:52,262 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 20:18:52,263 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 20:18:52,264 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 20:18:52,264 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 20:18:52,265 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 20:18:52,265 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 20:18:52,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 20:18:52,265 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 20:18:52,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 20:18:52,266 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 20:18:52,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 20:18:52,268 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-04-18 20:18:52,292 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 20:18:52,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 20:18:52,292 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 20:18:52,293 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 20:18:52,293 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 20:18:52,293 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 20:18:52,293 INFO L138 SettingsManager]: * User list type=DISABLED [2022-04-18 20:18:52,293 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-04-18 20:18:52,294 INFO L138 SettingsManager]: * Explicit value domain=true [2022-04-18 20:18:52,294 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-04-18 20:18:52,294 INFO L138 SettingsManager]: * Octagon Domain=false [2022-04-18 20:18:52,295 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-04-18 20:18:52,295 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-04-18 20:18:52,299 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-04-18 20:18:52,299 INFO L138 SettingsManager]: * Interval Domain=false [2022-04-18 20:18:52,299 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-04-18 20:18:52,299 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-04-18 20:18:52,299 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-04-18 20:18:52,300 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 20:18:52,300 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 20:18:52,300 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 20:18:52,300 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 20:18:52,300 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 20:18:52,300 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 20:18:52,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 20:18:52,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 20:18:52,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 20:18:52,300 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 20:18:52,301 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 20:18:52,301 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 20:18:52,301 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 20:18:52,301 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 20:18:52,301 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 20:18:52,301 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 20:18:52,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 20:18:52,301 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 20:18:52,301 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 20:18:52,301 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 20:18:52,302 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-04-18 20:18:52,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 20:18:52,302 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 20:18:52,302 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-18 20:18:52,302 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-18 20:18:52,302 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UTaipan-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c870162e8691a06e8bb6a8083be9eaf3f7ddc94357fb302a6e1fdd1b7aa873f8 [2022-04-18 20:18:52,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 20:18:52,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 20:18:52,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 20:18:52,506 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 20:18:52,506 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 20:18:52,507 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-1.wvr.c [2022-04-18 20:18:52,547 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/1cea2738f/9ff42b035ee343e09bffc15ebad7ea82/FLAG903568f37 [2022-04-18 20:18:52,896 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 20:18:52,897 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-1.wvr.c [2022-04-18 20:18:52,902 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/1cea2738f/9ff42b035ee343e09bffc15ebad7ea82/FLAG903568f37 [2022-04-18 20:18:52,909 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/1cea2738f/9ff42b035ee343e09bffc15ebad7ea82 [2022-04-18 20:18:52,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 20:18:52,912 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 20:18:52,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 20:18:52,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 20:18:52,916 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 20:18:52,916 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 08:18:52" (1/1) ... [2022-04-18 20:18:52,917 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@343a5ac0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:18:52, skipping insertion in model container [2022-04-18 20:18:52,917 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 08:18:52" (1/1) ... [2022-04-18 20:18:52,922 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 20:18:52,939 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 20:18:53,105 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/parallel-misc-1.wvr.c[2755,2768] [2022-04-18 20:18:53,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 20:18:53,129 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 20:18:53,154 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/parallel-misc-1.wvr.c[2755,2768] [2022-04-18 20:18:53,157 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 20:18:53,165 INFO L208 MainTranslator]: Completed translation [2022-04-18 20:18:53,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:18:53 WrapperNode [2022-04-18 20:18:53,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 20:18:53,166 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 20:18:53,166 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 20:18:53,167 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 20:18:53,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:18:53" (1/1) ... [2022-04-18 20:18:53,191 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:18:53" (1/1) ... [2022-04-18 20:18:53,223 INFO L137 Inliner]: procedures = 23, calls = 41, calls flagged for inlining = 17, calls inlined = 31, statements flattened = 516 [2022-04-18 20:18:53,224 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 20:18:53,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 20:18:53,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 20:18:53,224 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 20:18:53,230 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:18:53" (1/1) ... [2022-04-18 20:18:53,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:18:53" (1/1) ... [2022-04-18 20:18:53,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:18:53" (1/1) ... [2022-04-18 20:18:53,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:18:53" (1/1) ... [2022-04-18 20:18:53,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:18:53" (1/1) ... [2022-04-18 20:18:53,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:18:53" (1/1) ... [2022-04-18 20:18:53,268 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:18:53" (1/1) ... [2022-04-18 20:18:53,270 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 20:18:53,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 20:18:53,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 20:18:53,271 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 20:18:53,288 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:18:53" (1/1) ... [2022-04-18 20:18:53,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 20:18:53,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 [2022-04-18 20:18:53,323 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 20:18:53,325 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 20:18:53,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 20:18:53,360 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-04-18 20:18:53,360 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-04-18 20:18:53,360 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-04-18 20:18:53,361 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-04-18 20:18:53,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 20:18:53,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 20:18:53,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 20:18:53,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-04-18 20:18:53,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 20:18:53,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 20:18:53,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-18 20:18:53,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 20:18:53,362 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 20:18:53,446 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 20:18:53,447 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 20:18:53,985 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 20:18:53,999 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 20:18:53,999 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-04-18 20:18:54,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 08:18:54 BoogieIcfgContainer [2022-04-18 20:18:54,002 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 20:18:54,003 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 20:18:54,003 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 20:18:54,005 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 20:18:54,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 08:18:52" (1/3) ... [2022-04-18 20:18:54,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bc4bb1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 08:18:54, skipping insertion in model container [2022-04-18 20:18:54,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:18:53" (2/3) ... [2022-04-18 20:18:54,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bc4bb1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 08:18:54, skipping insertion in model container [2022-04-18 20:18:54,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 08:18:54" (3/3) ... [2022-04-18 20:18:54,008 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-misc-1.wvr.c [2022-04-18 20:18:54,011 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 20:18:54,011 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 20:18:54,012 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 75 error locations. [2022-04-18 20:18:54,012 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 20:18:54,163 INFO L135 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-04-18 20:18:54,198 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 20:18:54,202 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 20:18:54,207 INFO L341 AbstractCegarLoop]: Starting to check reachability of 125 error locations. [2022-04-18 20:18:54,229 INFO L116 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-04-18 20:18:54,242 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 688 places, 714 transitions, 1444 flow [2022-04-18 20:18:54,245 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 688 places, 714 transitions, 1444 flow [2022-04-18 20:18:54,246 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 688 places, 714 transitions, 1444 flow [2022-04-18 20:18:54,438 INFO L129 PetriNetUnfolder]: 33/712 cut-off events. [2022-04-18 20:18:54,439 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-04-18 20:18:54,451 INFO L84 FinitePrefix]: Finished finitePrefix Result has 721 conditions, 712 events. 33/712 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1880 event pairs, 0 based on Foata normal form. 0/604 useless extension candidates. Maximal degree in co-relation 461. Up to 2 conditions per place. [2022-04-18 20:18:54,486 INFO L116 LiptonReduction]: Number of co-enabled transitions 112268 [2022-04-18 20:19:11,289 INFO L131 LiptonReduction]: Checked pairs total: 269156 [2022-04-18 20:19:11,290 INFO L133 LiptonReduction]: Total number of compositions: 993 [2022-04-18 20:19:11,295 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 145 places, 147 transitions, 310 flow [2022-04-18 20:19:11,653 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 15560 states, 14261 states have (on average 3.227824135754856) internal successors, (46032), 15559 states have internal predecessors, (46032), 0 states have call successors, (0), 0 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 20:19:11,686 INFO L276 IsEmpty]: Start isEmpty. Operand has 15560 states, 14261 states have (on average 3.227824135754856) internal successors, (46032), 15559 states have internal predecessors, (46032), 0 states have call successors, (0), 0 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 20:19:11,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-04-18 20:19:11,690 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 20:19:11,691 INFO L499 BasicCegarLoop]: trace histogram [1] [2022-04-18 20:19:11,691 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-04-18 20:19:11,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 20:19:11,696 INFO L85 PathProgramCache]: Analyzing trace with hash 2879, now seen corresponding path program 1 times [2022-04-18 20:19:11,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 20:19:11,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291686193] [2022-04-18 20:19:11,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 20:19:11,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 20:19:11,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 20:19:11,768 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 20:19:11,768 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 20:19:11,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291686193] [2022-04-18 20:19:11,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291686193] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 20:19:11,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 20:19:11,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-04-18 20:19:11,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269147457] [2022-04-18 20:19:11,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 20:19:11,774 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-04-18 20:19:11,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 20:19:11,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-04-18 20:19:11,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 20:19:11,819 INFO L87 Difference]: Start difference. First operand has 15560 states, 14261 states have (on average 3.227824135754856) internal successors, (46032), 15559 states have internal predecessors, (46032), 0 states have call successors, (0), 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 20:19:11,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 20:19:11,948 INFO L93 Difference]: Finished difference Result 5522 states and 15959 transitions. [2022-04-18 20:19:11,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 20:19:11,950 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 20:19:11,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 20:19:11,988 INFO L225 Difference]: With dead ends: 5522 [2022-04-18 20:19:11,989 INFO L226 Difference]: Without dead ends: 5519 [2022-04-18 20:19:11,989 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 20:19:11,992 INFO L913 BasicCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-18 20:19:11,993 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 33 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-18 20:19:12,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5519 states. [2022-04-18 20:19:12,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5519 to 5519. [2022-04-18 20:19:12,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5519 states, 5442 states have (on average 2.9316427783902976) internal successors, (15954), 5518 states have internal predecessors, (15954), 0 states have call successors, (0), 0 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 20:19:12,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5519 states to 5519 states and 15954 transitions. [2022-04-18 20:19:12,226 INFO L78 Accepts]: Start accepts. Automaton has 5519 states and 15954 transitions. Word has length 1 [2022-04-18 20:19:12,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 20:19:12,226 INFO L478 AbstractCegarLoop]: Abstraction has 5519 states and 15954 transitions. [2022-04-18 20:19:12,226 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 20:19:12,226 INFO L276 IsEmpty]: Start isEmpty. Operand 5519 states and 15954 transitions. [2022-04-18 20:19:12,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-04-18 20:19:12,227 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 20:19:12,227 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-04-18 20:19:12,227 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 20:19:12,227 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-04-18 20:19:12,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 20:19:12,228 INFO L85 PathProgramCache]: Analyzing trace with hash -2087251606, now seen corresponding path program 1 times [2022-04-18 20:19:12,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 20:19:12,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799854697] [2022-04-18 20:19:12,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 20:19:12,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 20:19:12,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 20:19:12,320 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 20:19:12,321 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 20:19:12,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799854697] [2022-04-18 20:19:12,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799854697] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 20:19:12,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 20:19:12,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 20:19:12,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973487256] [2022-04-18 20:19:12,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 20:19:12,324 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 20:19:12,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 20:19:12,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 20:19:12,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 20:19:12,328 INFO L87 Difference]: Start difference. First operand 5519 states and 15954 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 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 20:19:12,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 20:19:12,467 INFO L93 Difference]: Finished difference Result 8831 states and 25880 transitions. [2022-04-18 20:19:12,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 20:19:12,467 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 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 6 [2022-04-18 20:19:12,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 20:19:12,510 INFO L225 Difference]: With dead ends: 8831 [2022-04-18 20:19:12,510 INFO L226 Difference]: Without dead ends: 8831 [2022-04-18 20:19:12,510 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 20:19:12,512 INFO L913 BasicCegarLoop]: 32 mSDtfsCounter, 55 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-18 20:19:12,512 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [55 Valid, 64 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-18 20:19:12,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8831 states. [2022-04-18 20:19:12,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8831 to 5335. [2022-04-18 20:19:12,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5335 states, 5270 states have (on average 2.926565464895636) internal successors, (15423), 5334 states have internal predecessors, (15423), 0 states have call successors, (0), 0 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 20:19:12,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5335 states to 5335 states and 15423 transitions. [2022-04-18 20:19:12,646 INFO L78 Accepts]: Start accepts. Automaton has 5335 states and 15423 transitions. Word has length 6 [2022-04-18 20:19:12,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 20:19:12,646 INFO L478 AbstractCegarLoop]: Abstraction has 5335 states and 15423 transitions. [2022-04-18 20:19:12,646 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 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 20:19:12,646 INFO L276 IsEmpty]: Start isEmpty. Operand 5335 states and 15423 transitions. [2022-04-18 20:19:12,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-04-18 20:19:12,647 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 20:19:12,647 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 20:19:12,647 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 20:19:12,647 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-04-18 20:19:12,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 20:19:12,648 INFO L85 PathProgramCache]: Analyzing trace with hash 131135522, now seen corresponding path program 1 times [2022-04-18 20:19:12,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 20:19:12,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812275779] [2022-04-18 20:19:12,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 20:19:12,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 20:19:12,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 20:19:12,732 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 20:19:12,732 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 20:19:12,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812275779] [2022-04-18 20:19:12,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812275779] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 20:19:12,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 20:19:12,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 20:19:12,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887485637] [2022-04-18 20:19:12,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 20:19:12,733 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 20:19:12,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 20:19:12,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 20:19:12,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 20:19:12,733 INFO L87 Difference]: Start difference. First operand 5335 states and 15423 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 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 20:19:12,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 20:19:12,857 INFO L93 Difference]: Finished difference Result 8583 states and 25125 transitions. [2022-04-18 20:19:12,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 20:19:12,858 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 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 8 [2022-04-18 20:19:12,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 20:19:12,887 INFO L225 Difference]: With dead ends: 8583 [2022-04-18 20:19:12,887 INFO L226 Difference]: Without dead ends: 8581 [2022-04-18 20:19:12,887 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 20:19:12,890 INFO L913 BasicCegarLoop]: 32 mSDtfsCounter, 62 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-18 20:19:12,890 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 63 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-18 20:19:12,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8581 states. [2022-04-18 20:19:13,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8581 to 5130. [2022-04-18 20:19:13,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5130 states, 5076 states have (on average 2.9231678486997636) internal successors, (14838), 5129 states have internal predecessors, (14838), 0 states have call successors, (0), 0 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 20:19:13,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5130 states to 5130 states and 14838 transitions. [2022-04-18 20:19:13,027 INFO L78 Accepts]: Start accepts. Automaton has 5130 states and 14838 transitions. Word has length 8 [2022-04-18 20:19:13,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 20:19:13,029 INFO L478 AbstractCegarLoop]: Abstraction has 5130 states and 14838 transitions. [2022-04-18 20:19:13,030 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 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 20:19:13,030 INFO L276 IsEmpty]: Start isEmpty. Operand 5130 states and 14838 transitions. [2022-04-18 20:19:13,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-04-18 20:19:13,031 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 20:19:13,031 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 20:19:13,031 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-18 20:19:13,031 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-04-18 20:19:13,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 20:19:13,037 INFO L85 PathProgramCache]: Analyzing trace with hash -236058900, now seen corresponding path program 1 times [2022-04-18 20:19:13,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 20:19:13,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441706916] [2022-04-18 20:19:13,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 20:19:13,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 20:19:13,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 20:19:13,153 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 20:19:13,153 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 20:19:13,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441706916] [2022-04-18 20:19:13,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441706916] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 20:19:13,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 20:19:13,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-18 20:19:13,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589417898] [2022-04-18 20:19:13,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 20:19:13,154 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-18 20:19:13,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 20:19:13,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-18 20:19:13,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-04-18 20:19:13,155 INFO L87 Difference]: Start difference. First operand 5130 states and 14838 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 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 20:19:13,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 20:19:13,538 INFO L93 Difference]: Finished difference Result 4430 states and 12685 transitions. [2022-04-18 20:19:13,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-18 20:19:13,538 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 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 20:19:13,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 20:19:13,548 INFO L225 Difference]: With dead ends: 4430 [2022-04-18 20:19:13,549 INFO L226 Difference]: Without dead ends: 4430 [2022-04-18 20:19:13,549 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 20:19:13,549 INFO L913 BasicCegarLoop]: 29 mSDtfsCounter, 81 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-18 20:19:13,550 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [81 Valid, 37 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-18 20:19:13,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4430 states. [2022-04-18 20:19:13,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4430 to 4430. [2022-04-18 20:19:13,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4430 states, 4401 states have (on average 2.882299477391502) internal successors, (12685), 4429 states have internal predecessors, (12685), 0 states have call successors, (0), 0 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 20:19:13,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4430 states to 4430 states and 12685 transitions. [2022-04-18 20:19:13,638 INFO L78 Accepts]: Start accepts. Automaton has 4430 states and 12685 transitions. Word has length 9 [2022-04-18 20:19:13,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 20:19:13,638 INFO L478 AbstractCegarLoop]: Abstraction has 4430 states and 12685 transitions. [2022-04-18 20:19:13,638 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 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 20:19:13,639 INFO L276 IsEmpty]: Start isEmpty. Operand 4430 states and 12685 transitions. [2022-04-18 20:19:13,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-04-18 20:19:13,639 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 20:19:13,639 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 20:19:13,640 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-18 20:19:13,640 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-04-18 20:19:13,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 20:19:13,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1776284891, now seen corresponding path program 1 times [2022-04-18 20:19:13,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 20:19:13,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482704876] [2022-04-18 20:19:13,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 20:19:13,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 20:19:13,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 20:19:13,688 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 20:19:13,689 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 20:19:13,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482704876] [2022-04-18 20:19:13,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482704876] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 20:19:13,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 20:19:13,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 20:19:13,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393958026] [2022-04-18 20:19:13,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 20:19:13,690 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-18 20:19:13,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 20:19:13,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-18 20:19:13,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-18 20:19:13,691 INFO L87 Difference]: Start difference. First operand 4430 states and 12685 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 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 20:19:13,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 20:19:13,814 INFO L93 Difference]: Finished difference Result 5211 states and 14625 transitions. [2022-04-18 20:19:13,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-18 20:19:13,815 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 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 20:19:13,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 20:19:13,826 INFO L225 Difference]: With dead ends: 5211 [2022-04-18 20:19:13,826 INFO L226 Difference]: Without dead ends: 5211 [2022-04-18 20:19:13,827 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-18 20:19:13,827 INFO L913 BasicCegarLoop]: 31 mSDtfsCounter, 128 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-18 20:19:13,828 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 91 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-18 20:19:13,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5211 states. [2022-04-18 20:19:13,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5211 to 4736. [2022-04-18 20:19:13,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4736 states, 4707 states have (on average 2.8803909071595495) internal successors, (13558), 4735 states have internal predecessors, (13558), 0 states have call successors, (0), 0 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 20:19:13,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4736 states to 4736 states and 13558 transitions. [2022-04-18 20:19:13,924 INFO L78 Accepts]: Start accepts. Automaton has 4736 states and 13558 transitions. Word has length 10 [2022-04-18 20:19:13,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 20:19:13,924 INFO L478 AbstractCegarLoop]: Abstraction has 4736 states and 13558 transitions. [2022-04-18 20:19:13,924 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 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 20:19:13,924 INFO L276 IsEmpty]: Start isEmpty. Operand 4736 states and 13558 transitions. [2022-04-18 20:19:13,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-04-18 20:19:13,926 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 20:19:13,926 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 20:19:13,926 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-18 20:19:13,926 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-04-18 20:19:13,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 20:19:13,926 INFO L85 PathProgramCache]: Analyzing trace with hash 132572811, now seen corresponding path program 1 times [2022-04-18 20:19:13,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 20:19:13,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931722999] [2022-04-18 20:19:13,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 20:19:13,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 20:19:13,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 20:19:14,022 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 20:19:14,022 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 20:19:14,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931722999] [2022-04-18 20:19:14,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931722999] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 20:19:14,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 20:19:14,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-18 20:19:14,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856378093] [2022-04-18 20:19:14,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 20:19:14,023 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-18 20:19:14,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 20:19:14,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-18 20:19:14,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-04-18 20:19:14,024 INFO L87 Difference]: Start difference. First operand 4736 states and 13558 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 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 20:19:14,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 20:19:14,270 INFO L93 Difference]: Finished difference Result 4280 states and 12253 transitions. [2022-04-18 20:19:14,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-18 20:19:14,275 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 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 11 [2022-04-18 20:19:14,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 20:19:14,287 INFO L225 Difference]: With dead ends: 4280 [2022-04-18 20:19:14,287 INFO L226 Difference]: Without dead ends: 4280 [2022-04-18 20:19:14,288 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 20:19:14,288 INFO L913 BasicCegarLoop]: 23 mSDtfsCounter, 50 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-18 20:19:14,288 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 28 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-18 20:19:14,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4280 states. [2022-04-18 20:19:14,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4280 to 4280. [2022-04-18 20:19:14,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4280 states, 4266 states have (on average 2.872245663384904) internal successors, (12253), 4279 states have internal predecessors, (12253), 0 states have call successors, (0), 0 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 20:19:14,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4280 states to 4280 states and 12253 transitions. [2022-04-18 20:19:14,365 INFO L78 Accepts]: Start accepts. Automaton has 4280 states and 12253 transitions. Word has length 11 [2022-04-18 20:19:14,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 20:19:14,365 INFO L478 AbstractCegarLoop]: Abstraction has 4280 states and 12253 transitions. [2022-04-18 20:19:14,365 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 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 20:19:14,365 INFO L276 IsEmpty]: Start isEmpty. Operand 4280 states and 12253 transitions. [2022-04-18 20:19:14,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-04-18 20:19:14,368 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 20:19:14,368 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 20:19:14,368 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-18 20:19:14,369 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-04-18 20:19:14,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 20:19:14,369 INFO L85 PathProgramCache]: Analyzing trace with hash -1565258615, now seen corresponding path program 1 times [2022-04-18 20:19:14,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 20:19:14,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764827265] [2022-04-18 20:19:14,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 20:19:14,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 20:19:14,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 20:19:14,414 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 20:19:14,414 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 20:19:14,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764827265] [2022-04-18 20:19:14,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764827265] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 20:19:14,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 20:19:14,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 20:19:14,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235533019] [2022-04-18 20:19:14,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 20:19:14,415 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-18 20:19:14,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 20:19:14,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-18 20:19:14,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-18 20:19:14,416 INFO L87 Difference]: Start difference. First operand 4280 states and 12253 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 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 20:19:14,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 20:19:14,519 INFO L93 Difference]: Finished difference Result 4104 states and 11662 transitions. [2022-04-18 20:19:14,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-18 20:19:14,526 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 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 11 [2022-04-18 20:19:14,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 20:19:14,536 INFO L225 Difference]: With dead ends: 4104 [2022-04-18 20:19:14,536 INFO L226 Difference]: Without dead ends: 4100 [2022-04-18 20:19:14,537 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-18 20:19:14,537 INFO L913 BasicCegarLoop]: 44 mSDtfsCounter, 76 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-18 20:19:14,537 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [76 Valid, 116 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-18 20:19:14,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4100 states. [2022-04-18 20:19:14,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4100 to 4066. [2022-04-18 20:19:14,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4066 states, 4052 states have (on average 2.8620434353405724) internal successors, (11597), 4065 states have internal predecessors, (11597), 0 states have call successors, (0), 0 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 20:19:14,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4066 states to 4066 states and 11597 transitions. [2022-04-18 20:19:14,625 INFO L78 Accepts]: Start accepts. Automaton has 4066 states and 11597 transitions. Word has length 11 [2022-04-18 20:19:14,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 20:19:14,625 INFO L478 AbstractCegarLoop]: Abstraction has 4066 states and 11597 transitions. [2022-04-18 20:19:14,625 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 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 20:19:14,625 INFO L276 IsEmpty]: Start isEmpty. Operand 4066 states and 11597 transitions. [2022-04-18 20:19:14,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-04-18 20:19:14,626 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 20:19:14,626 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 20:19:14,626 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-18 20:19:14,626 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-04-18 20:19:14,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 20:19:14,627 INFO L85 PathProgramCache]: Analyzing trace with hash -980725543, now seen corresponding path program 1 times [2022-04-18 20:19:14,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 20:19:14,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171505991] [2022-04-18 20:19:14,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 20:19:14,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 20:19:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 20:19:14,667 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 20:19:14,667 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 20:19:14,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171505991] [2022-04-18 20:19:14,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171505991] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 20:19:14,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 20:19:14,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-18 20:19:14,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299485042] [2022-04-18 20:19:14,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 20:19:14,668 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-18 20:19:14,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 20:19:14,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-18 20:19:14,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-04-18 20:19:14,668 INFO L87 Difference]: Start difference. First operand 4066 states and 11597 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 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 20:19:14,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 20:19:14,934 INFO L93 Difference]: Finished difference Result 3595 states and 10262 transitions. [2022-04-18 20:19:14,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-18 20:19:14,934 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 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 12 [2022-04-18 20:19:14,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 20:19:14,940 INFO L225 Difference]: With dead ends: 3595 [2022-04-18 20:19:14,940 INFO L226 Difference]: Without dead ends: 3595 [2022-04-18 20:19:14,940 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 20:19:14,941 INFO L913 BasicCegarLoop]: 25 mSDtfsCounter, 63 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-18 20:19:14,941 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 29 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-18 20:19:14,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3595 states. [2022-04-18 20:19:14,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3595 to 3595. [2022-04-18 20:19:14,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3595 states, 3590 states have (on average 2.8584958217270193) internal successors, (10262), 3594 states have internal predecessors, (10262), 0 states have call successors, (0), 0 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 20:19:14,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3595 states to 3595 states and 10262 transitions. [2022-04-18 20:19:14,992 INFO L78 Accepts]: Start accepts. Automaton has 3595 states and 10262 transitions. Word has length 12 [2022-04-18 20:19:14,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 20:19:14,992 INFO L478 AbstractCegarLoop]: Abstraction has 3595 states and 10262 transitions. [2022-04-18 20:19:14,992 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 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 20:19:14,993 INFO L276 IsEmpty]: Start isEmpty. Operand 3595 states and 10262 transitions. [2022-04-18 20:19:14,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-04-18 20:19:14,994 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 20:19:14,994 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 20:19:14,995 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-04-18 20:19:14,995 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-04-18 20:19:14,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 20:19:14,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1142184680, now seen corresponding path program 1 times [2022-04-18 20:19:14,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 20:19:14,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729420313] [2022-04-18 20:19:14,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 20:19:14,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 20:19:15,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 20:19:15,036 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 20:19:15,036 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 20:19:15,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729420313] [2022-04-18 20:19:15,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729420313] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 20:19:15,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 20:19:15,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-18 20:19:15,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299385033] [2022-04-18 20:19:15,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 20:19:15,037 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-18 20:19:15,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 20:19:15,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-18 20:19:15,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-04-18 20:19:15,038 INFO L87 Difference]: Start difference. First operand 3595 states and 10262 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 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 20:19:15,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 20:19:15,206 INFO L93 Difference]: Finished difference Result 3571 states and 10213 transitions. [2022-04-18 20:19:15,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-18 20:19:15,206 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 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 18 [2022-04-18 20:19:15,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 20:19:15,212 INFO L225 Difference]: With dead ends: 3571 [2022-04-18 20:19:15,212 INFO L226 Difference]: Without dead ends: 3450 [2022-04-18 20:19:15,231 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 20:19:15,231 INFO L913 BasicCegarLoop]: 30 mSDtfsCounter, 35 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-18 20:19:15,232 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 35 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-18 20:19:15,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3450 states. [2022-04-18 20:19:15,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3450 to 3450. [2022-04-18 20:19:15,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3450 states, 3447 states have (on average 2.8769944879605456) internal successors, (9917), 3449 states have internal predecessors, (9917), 0 states have call successors, (0), 0 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 20:19:15,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3450 states to 3450 states and 9917 transitions. [2022-04-18 20:19:15,277 INFO L78 Accepts]: Start accepts. Automaton has 3450 states and 9917 transitions. Word has length 18 [2022-04-18 20:19:15,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 20:19:15,277 INFO L478 AbstractCegarLoop]: Abstraction has 3450 states and 9917 transitions. [2022-04-18 20:19:15,278 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 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 20:19:15,278 INFO L276 IsEmpty]: Start isEmpty. Operand 3450 states and 9917 transitions. [2022-04-18 20:19:15,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-04-18 20:19:15,279 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 20:19:15,280 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 20:19:15,280 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-04-18 20:19:15,280 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-04-18 20:19:15,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 20:19:15,280 INFO L85 PathProgramCache]: Analyzing trace with hash 2018024467, now seen corresponding path program 1 times [2022-04-18 20:19:15,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 20:19:15,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519955857] [2022-04-18 20:19:15,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 20:19:15,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 20:19:15,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 20:19:15,304 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 20:19:15,304 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 20:19:15,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519955857] [2022-04-18 20:19:15,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519955857] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 20:19:15,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 20:19:15,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 20:19:15,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120319879] [2022-04-18 20:19:15,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 20:19:15,305 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 20:19:15,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 20:19:15,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 20:19:15,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 20:19:15,306 INFO L87 Difference]: Start difference. First operand 3450 states and 9917 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 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 20:19:15,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 20:19:15,360 INFO L93 Difference]: Finished difference Result 3450 states and 9917 transitions. [2022-04-18 20:19:15,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 20:19:15,361 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 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 20:19:15,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 20:19:15,366 INFO L225 Difference]: With dead ends: 3450 [2022-04-18 20:19:15,366 INFO L226 Difference]: Without dead ends: 3086 [2022-04-18 20:19:15,366 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 20:19:15,366 INFO L913 BasicCegarLoop]: 30 mSDtfsCounter, 55 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-18 20:19:15,367 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [55 Valid, 51 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-18 20:19:15,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3086 states. [2022-04-18 20:19:15,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3086 to 2948. [2022-04-18 20:19:15,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2948 states, 2947 states have (on average 2.9093993892093652) internal successors, (8574), 2947 states have internal predecessors, (8574), 0 states have call successors, (0), 0 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 20:19:15,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2948 states to 2948 states and 8574 transitions. [2022-04-18 20:19:15,409 INFO L78 Accepts]: Start accepts. Automaton has 2948 states and 8574 transitions. Word has length 19 [2022-04-18 20:19:15,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 20:19:15,409 INFO L478 AbstractCegarLoop]: Abstraction has 2948 states and 8574 transitions. [2022-04-18 20:19:15,409 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 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 20:19:15,409 INFO L276 IsEmpty]: Start isEmpty. Operand 2948 states and 8574 transitions. [2022-04-18 20:19:15,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-04-18 20:19:15,411 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 20:19:15,411 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 20:19:15,411 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-04-18 20:19:15,411 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-04-18 20:19:15,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 20:19:15,411 INFO L85 PathProgramCache]: Analyzing trace with hash 369410868, now seen corresponding path program 1 times [2022-04-18 20:19:15,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 20:19:15,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817720877] [2022-04-18 20:19:15,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 20:19:15,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 20:19:15,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 20:19:15,438 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 20:19:15,439 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 20:19:15,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817720877] [2022-04-18 20:19:15,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817720877] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 20:19:15,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 20:19:15,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 20:19:15,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352435319] [2022-04-18 20:19:15,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 20:19:15,440 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 20:19:15,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 20:19:15,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 20:19:15,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 20:19:15,440 INFO L87 Difference]: Start difference. First operand 2948 states and 8574 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 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 20:19:15,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 20:19:15,486 INFO L93 Difference]: Finished difference Result 2948 states and 8574 transitions. [2022-04-18 20:19:15,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 20:19:15,487 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 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 20 [2022-04-18 20:19:15,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 20:19:15,487 INFO L225 Difference]: With dead ends: 2948 [2022-04-18 20:19:15,487 INFO L226 Difference]: Without dead ends: 0 [2022-04-18 20:19:15,487 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 20:19:15,488 INFO L913 BasicCegarLoop]: 25 mSDtfsCounter, 46 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-18 20:19:15,488 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 38 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-18 20:19:15,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-18 20:19:15,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-18 20:19:15,489 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 20:19:15,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-18 20:19:15,489 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2022-04-18 20:19:15,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 20:19:15,489 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-18 20:19:15,489 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 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 20:19:15,490 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-18 20:19:15,490 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-18 20:19:15,491 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (124 of 125 remaining) [2022-04-18 20:19:15,492 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (123 of 125 remaining) [2022-04-18 20:19:15,492 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (122 of 125 remaining) [2022-04-18 20:19:15,492 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (121 of 125 remaining) [2022-04-18 20:19:15,492 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (120 of 125 remaining) [2022-04-18 20:19:15,492 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (119 of 125 remaining) [2022-04-18 20:19:15,492 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (118 of 125 remaining) [2022-04-18 20:19:15,492 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (117 of 125 remaining) [2022-04-18 20:19:15,493 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (116 of 125 remaining) [2022-04-18 20:19:15,493 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (115 of 125 remaining) [2022-04-18 20:19:15,493 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (114 of 125 remaining) [2022-04-18 20:19:15,493 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (113 of 125 remaining) [2022-04-18 20:19:15,493 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (112 of 125 remaining) [2022-04-18 20:19:15,493 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (111 of 125 remaining) [2022-04-18 20:19:15,493 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (110 of 125 remaining) [2022-04-18 20:19:15,493 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (109 of 125 remaining) [2022-04-18 20:19:15,494 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (108 of 125 remaining) [2022-04-18 20:19:15,494 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (107 of 125 remaining) [2022-04-18 20:19:15,494 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (106 of 125 remaining) [2022-04-18 20:19:15,494 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (105 of 125 remaining) [2022-04-18 20:19:15,494 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (104 of 125 remaining) [2022-04-18 20:19:15,494 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (103 of 125 remaining) [2022-04-18 20:19:15,494 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (102 of 125 remaining) [2022-04-18 20:19:15,494 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (101 of 125 remaining) [2022-04-18 20:19:15,494 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (100 of 125 remaining) [2022-04-18 20:19:15,495 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (99 of 125 remaining) [2022-04-18 20:19:15,495 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (98 of 125 remaining) [2022-04-18 20:19:15,495 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (97 of 125 remaining) [2022-04-18 20:19:15,495 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (96 of 125 remaining) [2022-04-18 20:19:15,495 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (95 of 125 remaining) [2022-04-18 20:19:15,496 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (94 of 125 remaining) [2022-04-18 20:19:15,496 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (93 of 125 remaining) [2022-04-18 20:19:15,496 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (92 of 125 remaining) [2022-04-18 20:19:15,496 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (91 of 125 remaining) [2022-04-18 20:19:15,496 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (90 of 125 remaining) [2022-04-18 20:19:15,496 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (89 of 125 remaining) [2022-04-18 20:19:15,496 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (88 of 125 remaining) [2022-04-18 20:19:15,496 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (87 of 125 remaining) [2022-04-18 20:19:15,497 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (86 of 125 remaining) [2022-04-18 20:19:15,497 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (85 of 125 remaining) [2022-04-18 20:19:15,497 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (84 of 125 remaining) [2022-04-18 20:19:15,497 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (83 of 125 remaining) [2022-04-18 20:19:15,497 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (82 of 125 remaining) [2022-04-18 20:19:15,497 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (81 of 125 remaining) [2022-04-18 20:19:15,497 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (80 of 125 remaining) [2022-04-18 20:19:15,497 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (79 of 125 remaining) [2022-04-18 20:19:15,497 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (78 of 125 remaining) [2022-04-18 20:19:15,498 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (77 of 125 remaining) [2022-04-18 20:19:15,498 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (76 of 125 remaining) [2022-04-18 20:19:15,498 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (75 of 125 remaining) [2022-04-18 20:19:15,498 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (74 of 125 remaining) [2022-04-18 20:19:15,498 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (73 of 125 remaining) [2022-04-18 20:19:15,498 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (72 of 125 remaining) [2022-04-18 20:19:15,498 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (71 of 125 remaining) [2022-04-18 20:19:15,498 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (70 of 125 remaining) [2022-04-18 20:19:15,498 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (69 of 125 remaining) [2022-04-18 20:19:15,499 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (68 of 125 remaining) [2022-04-18 20:19:15,499 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (67 of 125 remaining) [2022-04-18 20:19:15,499 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (66 of 125 remaining) [2022-04-18 20:19:15,499 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (65 of 125 remaining) [2022-04-18 20:19:15,499 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (64 of 125 remaining) [2022-04-18 20:19:15,499 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (63 of 125 remaining) [2022-04-18 20:19:15,499 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (62 of 125 remaining) [2022-04-18 20:19:15,499 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (61 of 125 remaining) [2022-04-18 20:19:15,500 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (60 of 125 remaining) [2022-04-18 20:19:15,500 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (59 of 125 remaining) [2022-04-18 20:19:15,500 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (58 of 125 remaining) [2022-04-18 20:19:15,500 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (57 of 125 remaining) [2022-04-18 20:19:15,500 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (56 of 125 remaining) [2022-04-18 20:19:15,500 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (55 of 125 remaining) [2022-04-18 20:19:15,500 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (54 of 125 remaining) [2022-04-18 20:19:15,500 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (53 of 125 remaining) [2022-04-18 20:19:15,500 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (52 of 125 remaining) [2022-04-18 20:19:15,501 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (51 of 125 remaining) [2022-04-18 20:19:15,501 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (50 of 125 remaining) [2022-04-18 20:19:15,501 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 125 remaining) [2022-04-18 20:19:15,501 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 125 remaining) [2022-04-18 20:19:15,501 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (47 of 125 remaining) [2022-04-18 20:19:15,501 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (46 of 125 remaining) [2022-04-18 20:19:15,501 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (45 of 125 remaining) [2022-04-18 20:19:15,501 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (44 of 125 remaining) [2022-04-18 20:19:15,501 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (43 of 125 remaining) [2022-04-18 20:19:15,502 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (42 of 125 remaining) [2022-04-18 20:19:15,502 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (41 of 125 remaining) [2022-04-18 20:19:15,502 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (40 of 125 remaining) [2022-04-18 20:19:15,502 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (39 of 125 remaining) [2022-04-18 20:19:15,502 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (38 of 125 remaining) [2022-04-18 20:19:15,502 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (37 of 125 remaining) [2022-04-18 20:19:15,502 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (36 of 125 remaining) [2022-04-18 20:19:15,502 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (35 of 125 remaining) [2022-04-18 20:19:15,503 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (34 of 125 remaining) [2022-04-18 20:19:15,503 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (33 of 125 remaining) [2022-04-18 20:19:15,503 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (32 of 125 remaining) [2022-04-18 20:19:15,503 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (31 of 125 remaining) [2022-04-18 20:19:15,503 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (30 of 125 remaining) [2022-04-18 20:19:15,503 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (29 of 125 remaining) [2022-04-18 20:19:15,503 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (28 of 125 remaining) [2022-04-18 20:19:15,503 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (27 of 125 remaining) [2022-04-18 20:19:15,503 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (26 of 125 remaining) [2022-04-18 20:19:15,504 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (25 of 125 remaining) [2022-04-18 20:19:15,504 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (24 of 125 remaining) [2022-04-18 20:19:15,504 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (23 of 125 remaining) [2022-04-18 20:19:15,504 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (22 of 125 remaining) [2022-04-18 20:19:15,504 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (21 of 125 remaining) [2022-04-18 20:19:15,504 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (20 of 125 remaining) [2022-04-18 20:19:15,504 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 125 remaining) [2022-04-18 20:19:15,504 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (18 of 125 remaining) [2022-04-18 20:19:15,504 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (17 of 125 remaining) [2022-04-18 20:19:15,505 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (16 of 125 remaining) [2022-04-18 20:19:15,505 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (15 of 125 remaining) [2022-04-18 20:19:15,505 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (14 of 125 remaining) [2022-04-18 20:19:15,505 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (13 of 125 remaining) [2022-04-18 20:19:15,505 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (12 of 125 remaining) [2022-04-18 20:19:15,505 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (11 of 125 remaining) [2022-04-18 20:19:15,505 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (10 of 125 remaining) [2022-04-18 20:19:15,505 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (9 of 125 remaining) [2022-04-18 20:19:15,505 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (8 of 125 remaining) [2022-04-18 20:19:15,506 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (7 of 125 remaining) [2022-04-18 20:19:15,506 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (6 of 125 remaining) [2022-04-18 20:19:15,506 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (5 of 125 remaining) [2022-04-18 20:19:15,506 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (4 of 125 remaining) [2022-04-18 20:19:15,507 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (3 of 125 remaining) [2022-04-18 20:19:15,507 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (2 of 125 remaining) [2022-04-18 20:19:15,507 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (1 of 125 remaining) [2022-04-18 20:19:15,508 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (0 of 125 remaining) [2022-04-18 20:19:15,508 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-04-18 20:19:15,509 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 20:19:15,514 INFO L227 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-04-18 20:19:15,514 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-18 20:19:15,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 08:19:15 BasicIcfg [2022-04-18 20:19:15,516 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-18 20:19:15,517 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-04-18 20:19:15,517 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-04-18 20:19:15,517 INFO L275 PluginConnector]: Witness Printer initialized [2022-04-18 20:19:15,517 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 08:18:54" (3/4) ... [2022-04-18 20:19:15,519 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-04-18 20:19:15,523 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-04-18 20:19:15,523 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-04-18 20:19:15,531 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-04-18 20:19:15,531 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-04-18 20:19:15,532 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-04-18 20:19:15,532 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-04-18 20:19:15,572 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/witness.graphml [2022-04-18 20:19:15,573 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-04-18 20:19:15,573 INFO L158 Benchmark]: Toolchain (without parser) took 22661.22ms. Allocated memory was 90.2MB in the beginning and 429.9MB in the end (delta: 339.7MB). Free memory was 52.2MB in the beginning and 155.2MB in the end (delta: -103.0MB). Peak memory consumption was 236.4MB. Max. memory is 16.1GB. [2022-04-18 20:19:15,573 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 90.2MB. Free memory is still 69.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 20:19:15,573 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.88ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 52.0MB in the beginning and 87.1MB in the end (delta: -35.2MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2022-04-18 20:19:15,574 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.42ms. Allocated memory is still 115.3MB. Free memory was 87.1MB in the beginning and 83.2MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-04-18 20:19:15,574 INFO L158 Benchmark]: Boogie Preprocessor took 46.02ms. Allocated memory is still 115.3MB. Free memory was 83.2MB in the beginning and 80.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 20:19:15,574 INFO L158 Benchmark]: RCFGBuilder took 730.89ms. Allocated memory is still 115.3MB. Free memory was 80.2MB in the beginning and 74.1MB in the end (delta: 6.1MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2022-04-18 20:19:15,575 INFO L158 Benchmark]: TraceAbstraction took 21513.32ms. Allocated memory was 115.3MB in the beginning and 429.9MB in the end (delta: 314.6MB). Free memory was 73.4MB in the beginning and 160.4MB in the end (delta: -87.0MB). Peak memory consumption was 227.0MB. Max. memory is 16.1GB. [2022-04-18 20:19:15,575 INFO L158 Benchmark]: Witness Printer took 55.84ms. Allocated memory is still 429.9MB. Free memory was 160.4MB in the beginning and 155.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-04-18 20:19:15,576 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 90.2MB. Free memory is still 69.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 251.88ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 52.0MB in the beginning and 87.1MB in the end (delta: -35.2MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.42ms. Allocated memory is still 115.3MB. Free memory was 87.1MB in the beginning and 83.2MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.02ms. Allocated memory is still 115.3MB. Free memory was 83.2MB in the beginning and 80.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 730.89ms. Allocated memory is still 115.3MB. Free memory was 80.2MB in the beginning and 74.1MB in the end (delta: 6.1MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. * TraceAbstraction took 21513.32ms. Allocated memory was 115.3MB in the beginning and 429.9MB in the end (delta: 314.6MB). Free memory was 73.4MB in the beginning and 160.4MB in the end (delta: -87.0MB). Peak memory consumption was 227.0MB. Max. memory is 16.1GB. * Witness Printer took 55.84ms. Allocated memory is still 429.9MB. Free memory was 160.4MB in the beginning and 155.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 17.0s, 688 PlacesBefore, 145 PlacesAfterwards, 714 TransitionsBefore, 147 TransitionsAfterwards, 112268 CoEnabledTransitionPairs, 18 FixpointIterations, 302 TrivialSequentialCompositions, 570 ConcurrentSequentialCompositions, 34 TrivialYvCompositions, 63 ConcurrentYvCompositions, 24 ChoiceCompositions, 993 TotalNumberOfCompositions, 269156 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 130301, positive: 128250, positive conditional: 0, positive unconditional: 128250, negative: 2051, negative conditional: 0, negative unconditional: 2051, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 81014, positive: 80764, positive conditional: 0, positive unconditional: 80764, negative: 250, negative conditional: 0, negative unconditional: 250, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 81014, positive: 78067, positive conditional: 0, positive unconditional: 78067, negative: 2947, negative conditional: 0, negative unconditional: 2947, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2947, positive: 2697, positive conditional: 0, positive unconditional: 2697, negative: 250, negative conditional: 0, negative unconditional: 250, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2246, positive: 1841, positive conditional: 0, positive unconditional: 1841, negative: 405, negative conditional: 0, negative unconditional: 405, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 130301, positive: 47486, positive conditional: 0, positive unconditional: 47486, negative: 1801, negative conditional: 0, negative unconditional: 1801, unknown: 81014, unknown conditional: 0, unknown unconditional: 81014] , Statistics on independence cache: Total cache size (in pairs): 2350, Positive cache size: 2254, Positive conditional cache size: 0, Positive unconditional cache size: 2254, Negative cache size: 96, Negative conditional cache size: 0, Negative unconditional cache size: 96 - 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: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: 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: 75]: 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: 75]: 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: 75]: 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: 65]: 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: 65]: 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: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 65]: 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: 73]: 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: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: 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: 95]: 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: 95]: 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: 95]: 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: 95]: 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: 95]: 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: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 1106 locations, 125 error locations. Started 1 CEGAR loops. OverallTime: 21.3s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 17.4s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 651 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 651 mSDsluCounter, 585 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 695 mSDsCounter, 319 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1953 IncrementalHoareTripleChecker+Invalid, 2272 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 319 mSolverCounterUnsat, 334 mSDtfsCounter, 1953 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15560occurred in iteration=0, InterpolantAutomatonStates: 44, 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, 11 MinimizatonAttempts, 7594 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 125 NumberOfCodeBlocks, 125 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 114 ConstructedInterpolants, 0 QuantifiedInterpolants, 376 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 4/4 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 75 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-04-18 20:19:15,619 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