./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version efd9311c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/TaipanReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-3.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 199b95a7803e428766b942c5c5c486b02a8ea32baf687cdef6ce754bef283884 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 20:23:01,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 20:23:01,118 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 20:23:01,162 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 20:23:01,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 20:23:01,164 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 20:23:01,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 20:23:01,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 20:23:01,170 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 20:23:01,173 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 20:23:01,174 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 20:23:01,176 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 20:23:01,176 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 20:23:01,178 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 20:23:01,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 20:23:01,182 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 20:23:01,183 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 20:23:01,184 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 20:23:01,185 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 20:23:01,190 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 20:23:01,192 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 20:23:01,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 20:23:01,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 20:23:01,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 20:23:01,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 20:23:01,202 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 20:23:01,202 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 20:23:01,202 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 20:23:01,203 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 20:23:01,204 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 20:23:01,205 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 20:23:01,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 20:23:01,207 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 20:23:01,207 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 20:23:01,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 20:23:01,209 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 20:23:01,209 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 20:23:01,210 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 20:23:01,210 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 20:23:01,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 20:23:01,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 20:23:01,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 20:23:01,214 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-04-18 20:23:01,240 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 20:23:01,241 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 20:23:01,241 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 20:23:01,241 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 20:23:01,242 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 20:23:01,242 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 20:23:01,242 INFO L138 SettingsManager]: * User list type=DISABLED [2022-04-18 20:23:01,243 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-04-18 20:23:01,243 INFO L138 SettingsManager]: * Explicit value domain=true [2022-04-18 20:23:01,244 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-04-18 20:23:01,244 INFO L138 SettingsManager]: * Octagon Domain=false [2022-04-18 20:23:01,244 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-04-18 20:23:01,244 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-04-18 20:23:01,244 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-04-18 20:23:01,244 INFO L138 SettingsManager]: * Interval Domain=false [2022-04-18 20:23:01,246 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-04-18 20:23:01,246 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-04-18 20:23:01,246 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-04-18 20:23:01,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 20:23:01,248 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 20:23:01,248 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 20:23:01,248 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 20:23:01,248 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 20:23:01,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 20:23:01,249 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 20:23:01,249 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 20:23:01,249 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 20:23:01,249 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 20:23:01,249 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 20:23:01,250 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 20:23:01,250 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 20:23:01,250 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 20:23:01,250 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 20:23:01,250 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 20:23:01,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 20:23:01,251 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 20:23:01,251 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 20:23:01,251 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 20:23:01,251 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-04-18 20:23:01,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 20:23:01,252 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 20:23:01,252 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-18 20:23:01,252 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-18 20:23:01,252 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UTaipan-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 199b95a7803e428766b942c5c5c486b02a8ea32baf687cdef6ce754bef283884 [2022-04-18 20:23:01,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 20:23:01,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 20:23:01,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 20:23:01,521 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 20:23:01,522 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 20:23:01,523 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-3.wvr.c [2022-04-18 20:23:01,580 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/adc415bbc/a315d2b375a244dbbaed5ee4a4f61255/FLAG197994a35 [2022-04-18 20:23:01,933 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 20:23:01,934 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-3.wvr.c [2022-04-18 20:23:01,942 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/adc415bbc/a315d2b375a244dbbaed5ee4a4f61255/FLAG197994a35 [2022-04-18 20:23:02,360 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/adc415bbc/a315d2b375a244dbbaed5ee4a4f61255 [2022-04-18 20:23:02,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 20:23:02,363 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 20:23:02,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 20:23:02,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 20:23:02,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 20:23:02,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 08:23:02" (1/1) ... [2022-04-18 20:23:02,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70f189a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:23:02, skipping insertion in model container [2022-04-18 20:23:02,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 08:23:02" (1/1) ... [2022-04-18 20:23:02,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 20:23:02,398 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 20:23:02,558 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-3.wvr.c[2500,2513] [2022-04-18 20:23:02,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 20:23:02,569 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 20:23:02,592 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-3.wvr.c[2500,2513] [2022-04-18 20:23:02,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 20:23:02,617 INFO L208 MainTranslator]: Completed translation [2022-04-18 20:23:02,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:23:02 WrapperNode [2022-04-18 20:23:02,620 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 20:23:02,621 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 20:23:02,622 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 20:23:02,622 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 20:23:02,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:23:02" (1/1) ... [2022-04-18 20:23:02,648 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:23:02" (1/1) ... [2022-04-18 20:23:02,688 INFO L137 Inliner]: procedures = 24, calls = 34, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 279 [2022-04-18 20:23:02,694 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 20:23:02,694 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 20:23:02,695 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 20:23:02,695 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 20:23:02,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:23:02" (1/1) ... [2022-04-18 20:23:02,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:23:02" (1/1) ... [2022-04-18 20:23:02,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:23:02" (1/1) ... [2022-04-18 20:23:02,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:23:02" (1/1) ... [2022-04-18 20:23:02,725 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:23:02" (1/1) ... [2022-04-18 20:23:02,739 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:23:02" (1/1) ... [2022-04-18 20:23:02,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:23:02" (1/1) ... [2022-04-18 20:23:02,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 20:23:02,750 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 20:23:02,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 20:23:02,751 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 20:23:02,751 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:23:02" (1/1) ... [2022-04-18 20:23:02,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 20:23:02,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 [2022-04-18 20:23:02,777 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-18 20:23:02,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-18 20:23:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 20:23:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-04-18 20:23:02,810 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-04-18 20:23:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-04-18 20:23:02,810 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-04-18 20:23:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 20:23:02,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 20:23:02,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 20:23:02,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-04-18 20:23:02,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 20:23:02,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 20:23:02,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-18 20:23:02,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 20:23:02,813 WARN L208 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-04-18 20:23:02,947 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 20:23:02,948 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 20:23:03,438 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 20:23:03,453 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 20:23:03,453 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-04-18 20:23:03,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 08:23:03 BoogieIcfgContainer [2022-04-18 20:23:03,456 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 20:23:03,459 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 20:23:03,459 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 20:23:03,461 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 20:23:03,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 08:23:02" (1/3) ... [2022-04-18 20:23:03,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e558084 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 08:23:03, skipping insertion in model container [2022-04-18 20:23:03,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:23:02" (2/3) ... [2022-04-18 20:23:03,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e558084 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 08:23:03, skipping insertion in model container [2022-04-18 20:23:03,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 08:23:03" (3/3) ... [2022-04-18 20:23:03,467 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-3.wvr.c [2022-04-18 20:23:03,471 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 20:23:03,472 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 20:23:03,473 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 41 error locations. [2022-04-18 20:23:03,473 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 20:23:03,578 INFO L135 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-04-18 20:23:03,629 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 20:23:03,637 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-04-18 20:23:03,638 INFO L341 AbstractCegarLoop]: Starting to check reachability of 73 error locations. [2022-04-18 20:23:03,656 INFO L116 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-04-18 20:23:03,667 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 352 places, 364 transitions, 744 flow [2022-04-18 20:23:03,670 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 352 places, 364 transitions, 744 flow [2022-04-18 20:23:03,671 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 352 places, 364 transitions, 744 flow [2022-04-18 20:23:03,801 INFO L129 PetriNetUnfolder]: 19/362 cut-off events. [2022-04-18 20:23:03,801 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-04-18 20:23:03,810 INFO L84 FinitePrefix]: Finished finitePrefix Result has 371 conditions, 362 events. 19/362 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 527 event pairs, 0 based on Foata normal form. 0/302 useless extension candidates. Maximal degree in co-relation 217. Up to 2 conditions per place. [2022-04-18 20:23:03,823 INFO L116 LiptonReduction]: Number of co-enabled transitions 22356 [2022-04-18 20:23:13,403 INFO L131 LiptonReduction]: Checked pairs total: 75960 [2022-04-18 20:23:13,403 INFO L133 LiptonReduction]: Total number of compositions: 480 [2022-04-18 20:23:13,415 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 101 places, 103 transitions, 222 flow [2022-04-18 20:23:13,637 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 6491 states, 6046 states have (on average 3.212371816076745) internal successors, (19422), 6490 states have internal predecessors, (19422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:23:13,659 INFO L276 IsEmpty]: Start isEmpty. Operand has 6491 states, 6046 states have (on average 3.212371816076745) internal successors, (19422), 6490 states have internal predecessors, (19422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:23:13,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-04-18 20:23:13,665 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 20:23:13,665 INFO L499 BasicCegarLoop]: trace histogram [1] [2022-04-18 20:23:13,666 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2022-04-18 20:23:13,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 20:23:13,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1489, now seen corresponding path program 1 times [2022-04-18 20:23:13,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 20:23:13,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840535394] [2022-04-18 20:23:13,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 20:23:13,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 20:23:13,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 20:23:13,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 20:23:13,804 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 20:23:13,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840535394] [2022-04-18 20:23:13,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840535394] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 20:23:13,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 20:23:13,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-04-18 20:23:13,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356774529] [2022-04-18 20:23:13,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 20:23:13,810 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-04-18 20:23:13,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 20:23:13,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-04-18 20:23:13,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 20:23:13,858 INFO L87 Difference]: Start difference. First operand has 6491 states, 6046 states have (on average 3.212371816076745) internal successors, (19422), 6490 states have internal predecessors, (19422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:23:13,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 20:23:13,991 INFO L93 Difference]: Finished difference Result 2774 states and 7729 transitions. [2022-04-18 20:23:13,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 20:23:13,994 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2022-04-18 20:23:13,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 20:23:14,030 INFO L225 Difference]: With dead ends: 2774 [2022-04-18 20:23:14,030 INFO L226 Difference]: Without dead ends: 2771 [2022-04-18 20:23:14,032 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 20:23:14,035 INFO L913 BasicCegarLoop]: 29 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-18 20:23:14,037 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 29 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-18 20:23:14,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2771 states. [2022-04-18 20:23:14,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2771 to 2771. [2022-04-18 20:23:14,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2771 states, 2737 states have (on average 2.8220679576178296) internal successors, (7724), 2770 states have internal predecessors, (7724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:23:14,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2771 states to 2771 states and 7724 transitions. [2022-04-18 20:23:14,195 INFO L78 Accepts]: Start accepts. Automaton has 2771 states and 7724 transitions. Word has length 1 [2022-04-18 20:23:14,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 20:23:14,195 INFO L478 AbstractCegarLoop]: Abstraction has 2771 states and 7724 transitions. [2022-04-18 20:23:14,196 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:23:14,196 INFO L276 IsEmpty]: Start isEmpty. Operand 2771 states and 7724 transitions. [2022-04-18 20:23:14,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-04-18 20:23:14,197 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 20:23:14,197 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 20:23:14,197 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 20:23:14,198 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2022-04-18 20:23:14,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 20:23:14,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1712743797, now seen corresponding path program 1 times [2022-04-18 20:23:14,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 20:23:14,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117014467] [2022-04-18 20:23:14,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 20:23:14,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 20:23:14,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 20:23:14,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 20:23:14,303 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 20:23:14,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117014467] [2022-04-18 20:23:14,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117014467] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 20:23:14,303 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 20:23:14,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 20:23:14,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713151250] [2022-04-18 20:23:14,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 20:23:14,305 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 20:23:14,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 20:23:14,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 20:23:14,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 20:23:14,306 INFO L87 Difference]: Start difference. First operand 2771 states and 7724 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 20:23:14,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 20:23:14,399 INFO L93 Difference]: Finished difference Result 2691 states and 7468 transitions. [2022-04-18 20:23:14,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 20:23:14,400 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 20:23:14,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 20:23:14,414 INFO L225 Difference]: With dead ends: 2691 [2022-04-18 20:23:14,414 INFO L226 Difference]: Without dead ends: 2691 [2022-04-18 20:23:14,415 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 20:23:14,416 INFO L913 BasicCegarLoop]: 39 mSDtfsCounter, 50 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-18 20:23:14,416 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 51 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-18 20:23:14,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2691 states. [2022-04-18 20:23:14,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2691 to 2482. [2022-04-18 20:23:14,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2482 states, 2463 states have (on average 2.8038976857490865) internal successors, (6906), 2481 states have internal predecessors, (6906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:23:14,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2482 states to 2482 states and 6906 transitions. [2022-04-18 20:23:14,545 INFO L78 Accepts]: Start accepts. Automaton has 2482 states and 6906 transitions. Word has length 8 [2022-04-18 20:23:14,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 20:23:14,545 INFO L478 AbstractCegarLoop]: Abstraction has 2482 states and 6906 transitions. [2022-04-18 20:23:14,546 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 20:23:14,546 INFO L276 IsEmpty]: Start isEmpty. Operand 2482 states and 6906 transitions. [2022-04-18 20:23:14,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-04-18 20:23:14,547 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 20:23:14,548 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 20:23:14,548 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 20:23:14,548 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2022-04-18 20:23:14,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 20:23:14,549 INFO L85 PathProgramCache]: Analyzing trace with hash 627188688, now seen corresponding path program 1 times [2022-04-18 20:23:14,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 20:23:14,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29158597] [2022-04-18 20:23:14,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 20:23:14,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 20:23:14,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 20:23:14,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 20:23:14,620 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 20:23:14,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29158597] [2022-04-18 20:23:14,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29158597] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 20:23:14,622 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 20:23:14,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 20:23:14,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700495134] [2022-04-18 20:23:14,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 20:23:14,623 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 20:23:14,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 20:23:14,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 20:23:14,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 20:23:14,625 INFO L87 Difference]: Start difference. First operand 2482 states and 6906 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:23:14,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 20:23:14,694 INFO L93 Difference]: Finished difference Result 2483 states and 6907 transitions. [2022-04-18 20:23:14,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 20:23:14,695 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-04-18 20:23:14,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 20:23:14,708 INFO L225 Difference]: With dead ends: 2483 [2022-04-18 20:23:14,708 INFO L226 Difference]: Without dead ends: 2483 [2022-04-18 20:23:14,708 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 20:23:14,711 INFO L913 BasicCegarLoop]: 27 mSDtfsCounter, 0 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-18 20:23:14,712 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 54 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-18 20:23:14,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2483 states. [2022-04-18 20:23:14,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2483 to 2483. [2022-04-18 20:23:14,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2483 states, 2464 states have (on average 2.8031655844155843) internal successors, (6907), 2482 states have internal predecessors, (6907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:23:14,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2483 states to 2483 states and 6907 transitions. [2022-04-18 20:23:14,793 INFO L78 Accepts]: Start accepts. Automaton has 2483 states and 6907 transitions. Word has length 9 [2022-04-18 20:23:14,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 20:23:14,795 INFO L478 AbstractCegarLoop]: Abstraction has 2483 states and 6907 transitions. [2022-04-18 20:23:14,795 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:23:14,795 INFO L276 IsEmpty]: Start isEmpty. Operand 2483 states and 6907 transitions. [2022-04-18 20:23:14,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-04-18 20:23:14,797 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 20:23:14,797 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 20:23:14,797 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-18 20:23:14,797 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2022-04-18 20:23:14,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 20:23:14,802 INFO L85 PathProgramCache]: Analyzing trace with hash 544422941, now seen corresponding path program 1 times [2022-04-18 20:23:14,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 20:23:14,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642405191] [2022-04-18 20:23:14,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 20:23:14,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 20:23:14,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 20:23:14,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-18 20:23:14,927 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 20:23:14,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642405191] [2022-04-18 20:23:14,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642405191] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 20:23:14,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 20:23:14,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-18 20:23:14,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503405988] [2022-04-18 20:23:14,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 20:23:14,929 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-18 20:23:14,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 20:23:14,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-18 20:23:14,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-04-18 20:23:14,932 INFO L87 Difference]: Start difference. First operand 2483 states and 6907 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:23:15,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 20:23:15,227 INFO L93 Difference]: Finished difference Result 2159 states and 5935 transitions. [2022-04-18 20:23:15,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-18 20:23:15,228 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-04-18 20:23:15,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 20:23:15,239 INFO L225 Difference]: With dead ends: 2159 [2022-04-18 20:23:15,239 INFO L226 Difference]: Without dead ends: 2159 [2022-04-18 20:23:15,239 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-04-18 20:23:15,240 INFO L913 BasicCegarLoop]: 37 mSDtfsCounter, 66 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-18 20:23:15,240 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 55 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-18 20:23:15,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2159 states. [2022-04-18 20:23:15,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2159 to 2159. [2022-04-18 20:23:15,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2159 states, 2148 states have (on average 2.7630353817504654) internal successors, (5935), 2158 states have internal predecessors, (5935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:23:15,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2159 states to 2159 states and 5935 transitions. [2022-04-18 20:23:15,331 INFO L78 Accepts]: Start accepts. Automaton has 2159 states and 5935 transitions. Word has length 10 [2022-04-18 20:23:15,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 20:23:15,331 INFO L478 AbstractCegarLoop]: Abstraction has 2159 states and 5935 transitions. [2022-04-18 20:23:15,332 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:23:15,332 INFO L276 IsEmpty]: Start isEmpty. Operand 2159 states and 5935 transitions. [2022-04-18 20:23:15,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-04-18 20:23:15,338 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 20:23:15,338 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 20:23:15,338 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-18 20:23:15,338 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2022-04-18 20:23:15,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 20:23:15,342 INFO L85 PathProgramCache]: Analyzing trace with hash 98262166, now seen corresponding path program 1 times [2022-04-18 20:23:15,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 20:23:15,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425476749] [2022-04-18 20:23:15,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 20:23:15,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 20:23:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 20:23:15,419 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-18 20:23:15,421 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 20:23:15,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425476749] [2022-04-18 20:23:15,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425476749] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 20:23:15,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 20:23:15,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-18 20:23:15,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182845145] [2022-04-18 20:23:15,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 20:23:15,425 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-18 20:23:15,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 20:23:15,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-18 20:23:15,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-04-18 20:23:15,426 INFO L87 Difference]: Start difference. First operand 2159 states and 5935 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:23:15,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 20:23:15,689 INFO L93 Difference]: Finished difference Result 1995 states and 5472 transitions. [2022-04-18 20:23:15,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-18 20:23:15,689 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-04-18 20:23:15,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 20:23:15,699 INFO L225 Difference]: With dead ends: 1995 [2022-04-18 20:23:15,699 INFO L226 Difference]: Without dead ends: 1995 [2022-04-18 20:23:15,699 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-04-18 20:23:15,700 INFO L913 BasicCegarLoop]: 36 mSDtfsCounter, 45 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-18 20:23:15,700 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 54 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-18 20:23:15,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1995 states. [2022-04-18 20:23:15,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1995 to 1995. [2022-04-18 20:23:15,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1995 states, 1988 states have (on average 2.7525150905432594) internal successors, (5472), 1994 states have internal predecessors, (5472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:23:15,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1995 states to 1995 states and 5472 transitions. [2022-04-18 20:23:15,749 INFO L78 Accepts]: Start accepts. Automaton has 1995 states and 5472 transitions. Word has length 13 [2022-04-18 20:23:15,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 20:23:15,749 INFO L478 AbstractCegarLoop]: Abstraction has 1995 states and 5472 transitions. [2022-04-18 20:23:15,749 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:23:15,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1995 states and 5472 transitions. [2022-04-18 20:23:15,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-04-18 20:23:15,750 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 20:23:15,751 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 20:23:15,751 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-18 20:23:15,751 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2022-04-18 20:23:15,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 20:23:15,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1621927788, now seen corresponding path program 1 times [2022-04-18 20:23:15,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 20:23:15,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437132924] [2022-04-18 20:23:15,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 20:23:15,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 20:23:15,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 20:23:15,814 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-18 20:23:15,814 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 20:23:15,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437132924] [2022-04-18 20:23:15,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437132924] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 20:23:15,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 20:23:15,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-18 20:23:15,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199190791] [2022-04-18 20:23:15,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 20:23:15,815 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-18 20:23:15,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 20:23:15,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-18 20:23:15,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-04-18 20:23:15,816 INFO L87 Difference]: Start difference. First operand 1995 states and 5472 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:23:16,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 20:23:16,037 INFO L93 Difference]: Finished difference Result 1776 states and 4869 transitions. [2022-04-18 20:23:16,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-18 20:23:16,038 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-04-18 20:23:16,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 20:23:16,048 INFO L225 Difference]: With dead ends: 1776 [2022-04-18 20:23:16,048 INFO L226 Difference]: Without dead ends: 1730 [2022-04-18 20:23:16,048 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-04-18 20:23:16,049 INFO L913 BasicCegarLoop]: 24 mSDtfsCounter, 30 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-18 20:23:16,049 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 40 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-18 20:23:16,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1730 states. [2022-04-18 20:23:16,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1730 to 1730. [2022-04-18 20:23:16,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1730 states, 1729 states have (on average 2.7628687102371314) internal successors, (4777), 1729 states have internal predecessors, (4777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:23:16,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1730 states to 1730 states and 4777 transitions. [2022-04-18 20:23:16,104 INFO L78 Accepts]: Start accepts. Automaton has 1730 states and 4777 transitions. Word has length 14 [2022-04-18 20:23:16,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 20:23:16,104 INFO L478 AbstractCegarLoop]: Abstraction has 1730 states and 4777 transitions. [2022-04-18 20:23:16,105 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:23:16,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1730 states and 4777 transitions. [2022-04-18 20:23:16,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-04-18 20:23:16,106 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 20:23:16,106 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 20:23:16,106 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-18 20:23:16,107 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2022-04-18 20:23:16,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 20:23:16,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1636540705, now seen corresponding path program 1 times [2022-04-18 20:23:16,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 20:23:16,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839742961] [2022-04-18 20:23:16,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 20:23:16,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 20:23:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 20:23:16,189 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-18 20:23:16,189 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 20:23:16,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839742961] [2022-04-18 20:23:16,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839742961] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 20:23:16,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 20:23:16,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-18 20:23:16,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590364666] [2022-04-18 20:23:16,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 20:23:16,190 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-18 20:23:16,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 20:23:16,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-18 20:23:16,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-04-18 20:23:16,191 INFO L87 Difference]: Start difference. First operand 1730 states and 4777 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:23:16,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 20:23:16,372 INFO L93 Difference]: Finished difference Result 1706 states and 4729 transitions. [2022-04-18 20:23:16,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-18 20:23:16,373 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-04-18 20:23:16,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 20:23:16,373 INFO L225 Difference]: With dead ends: 1706 [2022-04-18 20:23:16,373 INFO L226 Difference]: Without dead ends: 0 [2022-04-18 20:23:16,373 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-04-18 20:23:16,374 INFO L913 BasicCegarLoop]: 35 mSDtfsCounter, 36 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-18 20:23:16,374 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 55 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-18 20:23:16,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-18 20:23:16,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-18 20:23:16,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:23:16,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-18 20:23:16,375 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2022-04-18 20:23:16,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 20:23:16,375 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-18 20:23:16,375 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:23:16,375 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-18 20:23:16,375 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-18 20:23:16,377 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (72 of 73 remaining) [2022-04-18 20:23:16,378 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (71 of 73 remaining) [2022-04-18 20:23:16,378 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (70 of 73 remaining) [2022-04-18 20:23:16,378 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (69 of 73 remaining) [2022-04-18 20:23:16,378 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (68 of 73 remaining) [2022-04-18 20:23:16,378 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (67 of 73 remaining) [2022-04-18 20:23:16,378 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (66 of 73 remaining) [2022-04-18 20:23:16,378 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (65 of 73 remaining) [2022-04-18 20:23:16,378 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (64 of 73 remaining) [2022-04-18 20:23:16,378 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (63 of 73 remaining) [2022-04-18 20:23:16,379 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (62 of 73 remaining) [2022-04-18 20:23:16,379 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (61 of 73 remaining) [2022-04-18 20:23:16,379 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (60 of 73 remaining) [2022-04-18 20:23:16,379 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (59 of 73 remaining) [2022-04-18 20:23:16,379 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (58 of 73 remaining) [2022-04-18 20:23:16,379 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (57 of 73 remaining) [2022-04-18 20:23:16,379 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (56 of 73 remaining) [2022-04-18 20:23:16,379 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (55 of 73 remaining) [2022-04-18 20:23:16,379 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (54 of 73 remaining) [2022-04-18 20:23:16,380 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (53 of 73 remaining) [2022-04-18 20:23:16,380 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (52 of 73 remaining) [2022-04-18 20:23:16,380 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (51 of 73 remaining) [2022-04-18 20:23:16,380 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (50 of 73 remaining) [2022-04-18 20:23:16,380 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (49 of 73 remaining) [2022-04-18 20:23:16,380 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (48 of 73 remaining) [2022-04-18 20:23:16,380 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (47 of 73 remaining) [2022-04-18 20:23:16,380 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (46 of 73 remaining) [2022-04-18 20:23:16,380 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (45 of 73 remaining) [2022-04-18 20:23:16,380 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (44 of 73 remaining) [2022-04-18 20:23:16,381 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (43 of 73 remaining) [2022-04-18 20:23:16,381 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (42 of 73 remaining) [2022-04-18 20:23:16,381 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (41 of 73 remaining) [2022-04-18 20:23:16,381 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (40 of 73 remaining) [2022-04-18 20:23:16,381 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (39 of 73 remaining) [2022-04-18 20:23:16,381 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (38 of 73 remaining) [2022-04-18 20:23:16,381 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (37 of 73 remaining) [2022-04-18 20:23:16,381 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (36 of 73 remaining) [2022-04-18 20:23:16,381 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (35 of 73 remaining) [2022-04-18 20:23:16,381 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (34 of 73 remaining) [2022-04-18 20:23:16,381 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (33 of 73 remaining) [2022-04-18 20:23:16,382 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (32 of 73 remaining) [2022-04-18 20:23:16,382 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 73 remaining) [2022-04-18 20:23:16,382 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 73 remaining) [2022-04-18 20:23:16,382 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (29 of 73 remaining) [2022-04-18 20:23:16,382 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (28 of 73 remaining) [2022-04-18 20:23:16,382 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (27 of 73 remaining) [2022-04-18 20:23:16,382 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (26 of 73 remaining) [2022-04-18 20:23:16,382 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (25 of 73 remaining) [2022-04-18 20:23:16,382 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (24 of 73 remaining) [2022-04-18 20:23:16,382 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (23 of 73 remaining) [2022-04-18 20:23:16,383 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (22 of 73 remaining) [2022-04-18 20:23:16,383 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 73 remaining) [2022-04-18 20:23:16,383 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 73 remaining) [2022-04-18 20:23:16,383 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 73 remaining) [2022-04-18 20:23:16,383 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (18 of 73 remaining) [2022-04-18 20:23:16,383 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (17 of 73 remaining) [2022-04-18 20:23:16,383 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (16 of 73 remaining) [2022-04-18 20:23:16,383 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (15 of 73 remaining) [2022-04-18 20:23:16,383 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (14 of 73 remaining) [2022-04-18 20:23:16,384 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (13 of 73 remaining) [2022-04-18 20:23:16,384 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (12 of 73 remaining) [2022-04-18 20:23:16,384 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (11 of 73 remaining) [2022-04-18 20:23:16,384 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (10 of 73 remaining) [2022-04-18 20:23:16,384 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (9 of 73 remaining) [2022-04-18 20:23:16,384 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (8 of 73 remaining) [2022-04-18 20:23:16,384 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (7 of 73 remaining) [2022-04-18 20:23:16,384 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (6 of 73 remaining) [2022-04-18 20:23:16,384 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (5 of 73 remaining) [2022-04-18 20:23:16,385 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (4 of 73 remaining) [2022-04-18 20:23:16,385 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (3 of 73 remaining) [2022-04-18 20:23:16,385 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (2 of 73 remaining) [2022-04-18 20:23:16,385 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (1 of 73 remaining) [2022-04-18 20:23:16,385 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (0 of 73 remaining) [2022-04-18 20:23:16,385 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-18 20:23:16,387 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-04-18 20:23:16,391 INFO L227 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-04-18 20:23:16,391 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-18 20:23:16,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 08:23:16 BasicIcfg [2022-04-18 20:23:16,394 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-18 20:23:16,394 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-04-18 20:23:16,394 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-04-18 20:23:16,394 INFO L275 PluginConnector]: Witness Printer initialized [2022-04-18 20:23:16,395 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 08:23:03" (3/4) ... [2022-04-18 20:23:16,397 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-04-18 20:23:16,401 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-04-18 20:23:16,402 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-04-18 20:23:16,406 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-04-18 20:23:16,406 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-04-18 20:23:16,406 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-04-18 20:23:16,406 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-04-18 20:23:16,438 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/witness.graphml [2022-04-18 20:23:16,438 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-04-18 20:23:16,439 INFO L158 Benchmark]: Toolchain (without parser) took 14076.04ms. Allocated memory was 96.5MB in the beginning and 239.1MB in the end (delta: 142.6MB). Free memory was 62.7MB in the beginning and 138.0MB in the end (delta: -75.4MB). Peak memory consumption was 67.2MB. Max. memory is 16.1GB. [2022-04-18 20:23:16,439 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 96.5MB. Free memory was 50.7MB in the beginning and 50.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 20:23:16,439 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.59ms. Allocated memory is still 96.5MB. Free memory was 62.4MB in the beginning and 69.9MB in the end (delta: -7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-04-18 20:23:16,440 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.48ms. Allocated memory is still 96.5MB. Free memory was 69.9MB in the beginning and 67.3MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-04-18 20:23:16,440 INFO L158 Benchmark]: Boogie Preprocessor took 55.49ms. Allocated memory is still 96.5MB. Free memory was 67.3MB in the beginning and 64.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 20:23:16,440 INFO L158 Benchmark]: RCFGBuilder took 705.52ms. Allocated memory was 96.5MB in the beginning and 127.9MB in the end (delta: 31.5MB). Free memory was 64.9MB in the beginning and 98.3MB in the end (delta: -33.5MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2022-04-18 20:23:16,440 INFO L158 Benchmark]: TraceAbstraction took 12935.03ms. Allocated memory was 127.9MB in the beginning and 239.1MB in the end (delta: 111.1MB). Free memory was 98.3MB in the beginning and 142.2MB in the end (delta: -43.9MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. [2022-04-18 20:23:16,441 INFO L158 Benchmark]: Witness Printer took 44.27ms. Allocated memory is still 239.1MB. Free memory was 142.2MB in the beginning and 138.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-04-18 20:23:16,442 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 96.5MB. Free memory was 50.7MB in the beginning and 50.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.59ms. Allocated memory is still 96.5MB. Free memory was 62.4MB in the beginning and 69.9MB in the end (delta: -7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.48ms. Allocated memory is still 96.5MB. Free memory was 69.9MB in the beginning and 67.3MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.49ms. Allocated memory is still 96.5MB. Free memory was 67.3MB in the beginning and 64.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 705.52ms. Allocated memory was 96.5MB in the beginning and 127.9MB in the end (delta: 31.5MB). Free memory was 64.9MB in the beginning and 98.3MB in the end (delta: -33.5MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. * TraceAbstraction took 12935.03ms. Allocated memory was 127.9MB in the beginning and 239.1MB in the end (delta: 111.1MB). Free memory was 98.3MB in the beginning and 142.2MB in the end (delta: -43.9MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. * Witness Printer took 44.27ms. Allocated memory is still 239.1MB. Free memory was 142.2MB in the beginning and 138.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.7s, 352 PlacesBefore, 101 PlacesAfterwards, 364 TransitionsBefore, 103 TransitionsAfterwards, 22356 CoEnabledTransitionPairs, 11 FixpointIterations, 154 TrivialSequentialCompositions, 265 ConcurrentSequentialCompositions, 19 TrivialYvCompositions, 32 ConcurrentYvCompositions, 10 ChoiceCompositions, 480 TotalNumberOfCompositions, 75960 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 37912, positive: 36959, positive conditional: 0, positive unconditional: 36959, negative: 953, negative conditional: 0, negative unconditional: 953, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 17759, positive: 17579, positive conditional: 0, positive unconditional: 17579, negative: 180, negative conditional: 0, negative unconditional: 180, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 17759, positive: 16595, positive conditional: 0, positive unconditional: 16595, negative: 1164, negative conditional: 0, negative unconditional: 1164, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1164, positive: 984, positive conditional: 0, positive unconditional: 984, negative: 180, negative conditional: 0, negative unconditional: 180, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1420, positive: 1057, positive conditional: 0, positive unconditional: 1057, negative: 363, negative conditional: 0, negative unconditional: 363, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 37912, positive: 19380, positive conditional: 0, positive unconditional: 19380, negative: 773, negative conditional: 0, negative unconditional: 773, unknown: 17759, unknown conditional: 0, unknown unconditional: 17759] , Statistics on independence cache: Total cache size (in pairs): 1830, Positive cache size: 1751, Positive conditional cache size: 0, Positive unconditional cache size: 1751, Negative cache size: 79, Negative conditional cache size: 0, Negative unconditional cache size: 79 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 536 locations, 73 error locations. Started 1 CEGAR loops. OverallTime: 12.8s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 10.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 227 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 227 mSDsluCounter, 338 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 274 mSDsCounter, 242 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1084 IncrementalHoareTripleChecker+Invalid, 1326 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 242 mSolverCounterUnsat, 227 mSDtfsCounter, 1084 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6491occurred in iteration=0, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 7 MinimizatonAttempts, 209 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 67 ConstructedInterpolants, 0 QuantifiedInterpolants, 303 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 41 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-04-18 20:23:16,463 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE