/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/pthread-atomic/peterson-b.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-bc289cb [2022-01-28 14:09:29,059 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-28 14:09:29,060 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-28 14:09:29,105 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-28 14:09:29,125 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-28 14:09:29,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-28 14:09:29,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-28 14:09:29,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-28 14:09:29,130 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-28 14:09:29,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-28 14:09:29,132 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-28 14:09:29,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-28 14:09:29,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-28 14:09:29,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-28 14:09:29,139 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-28 14:09:29,139 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-28 14:09:29,144 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-28 14:09:29,146 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-28 14:09:29,146 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-28 14:09:29,147 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-28 14:09:29,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-28 14:09:29,148 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-28 14:09:29,148 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-28 14:09:29,149 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-28 14:09:29,149 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-28 14:09:29,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-28 14:09:29,150 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-28 14:09:29,150 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-28 14:09:29,151 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-01-28 14:09:29,177 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-28 14:09:29,177 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-28 14:09:29,177 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-28 14:09:29,177 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-28 14:09:29,178 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-28 14:09:29,178 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-28 14:09:29,178 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-28 14:09:29,178 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-28 14:09:29,179 INFO L138 SettingsManager]: * Use SBE=true [2022-01-28 14:09:29,179 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-28 14:09:29,179 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-28 14:09:29,179 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-28 14:09:29,179 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-28 14:09:29,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-28 14:09:29,180 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-28 14:09:29,180 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-28 14:09:29,180 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-28 14:09:29,180 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-28 14:09:29,180 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-28 14:09:29,180 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-28 14:09:29,180 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-28 14:09:29,180 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-28 14:09:29,180 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-28 14:09:29,180 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-28 14:09:29,181 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-28 14:09:29,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-28 14:09:29,181 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-28 14:09:29,181 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-28 14:09:29,181 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-28 14:09:29,182 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-28 14:09:29,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-28 14:09:29,182 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-28 14:09:29,182 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-28 14:09:29,182 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-01-28 14:09:29,370 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-28 14:09:29,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-28 14:09:29,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-28 14:09:29,389 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-28 14:09:29,390 INFO L275 PluginConnector]: CDTParser initialized [2022-01-28 14:09:29,391 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/peterson-b.i [2022-01-28 14:09:29,430 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89cacbed3/ef04be89e72a41b8bab1e647cc81fe68/FLAG25b213cc9 [2022-01-28 14:09:29,853 INFO L306 CDTParser]: Found 1 translation units. [2022-01-28 14:09:29,854 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson-b.i [2022-01-28 14:09:29,871 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89cacbed3/ef04be89e72a41b8bab1e647cc81fe68/FLAG25b213cc9 [2022-01-28 14:09:29,881 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89cacbed3/ef04be89e72a41b8bab1e647cc81fe68 [2022-01-28 14:09:29,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-28 14:09:29,884 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-28 14:09:29,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-28 14:09:29,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-28 14:09:29,889 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-28 14:09:29,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 02:09:29" (1/1) ... [2022-01-28 14:09:29,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ff75ad5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:09:29, skipping insertion in model container [2022-01-28 14:09:29,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 02:09:29" (1/1) ... [2022-01-28 14:09:29,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-28 14:09:29,924 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-28 14:09:30,154 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson-b.i[30010,30023] [2022-01-28 14:09:30,158 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson-b.i[30174,30187] [2022-01-28 14:09:30,165 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-28 14:09:30,171 INFO L203 MainTranslator]: Completed pre-run [2022-01-28 14:09:30,193 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson-b.i[30010,30023] [2022-01-28 14:09:30,194 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson-b.i[30174,30187] [2022-01-28 14:09:30,198 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-28 14:09:30,226 INFO L208 MainTranslator]: Completed translation [2022-01-28 14:09:30,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:09:30 WrapperNode [2022-01-28 14:09:30,227 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-28 14:09:30,227 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-28 14:09:30,227 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-28 14:09:30,228 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-28 14:09:30,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:09:30" (1/1) ... [2022-01-28 14:09:30,256 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:09:30" (1/1) ... [2022-01-28 14:09:30,278 INFO L137 Inliner]: procedures = 167, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 53 [2022-01-28 14:09:30,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-28 14:09:30,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-28 14:09:30,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-28 14:09:30,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-28 14:09:30,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:09:30" (1/1) ... [2022-01-28 14:09:30,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:09:30" (1/1) ... [2022-01-28 14:09:30,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:09:30" (1/1) ... [2022-01-28 14:09:30,304 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:09:30" (1/1) ... [2022-01-28 14:09:30,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:09:30" (1/1) ... [2022-01-28 14:09:30,311 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:09:30" (1/1) ... [2022-01-28 14:09:30,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:09:30" (1/1) ... [2022-01-28 14:09:30,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-28 14:09:30,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-28 14:09:30,314 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-28 14:09:30,314 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-28 14:09:30,332 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:09:30" (1/1) ... [2022-01-28 14:09:30,338 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-28 14:09:30,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:09:30,356 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-28 14:09:30,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-28 14:09:30,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-28 14:09:30,393 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2022-01-28 14:09:30,393 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2022-01-28 14:09:30,393 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-01-28 14:09:30,393 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-01-28 14:09:30,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-28 14:09:30,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-28 14:09:30,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-28 14:09:30,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-28 14:09:30,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-28 14:09:30,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-28 14:09:30,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-28 14:09:30,395 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-28 14:09:30,519 INFO L234 CfgBuilder]: Building ICFG [2022-01-28 14:09:30,520 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-28 14:09:30,681 INFO L275 CfgBuilder]: Performing block encoding [2022-01-28 14:09:30,686 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-28 14:09:30,686 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-28 14:09:30,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 02:09:30 BoogieIcfgContainer [2022-01-28 14:09:30,688 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-28 14:09:30,689 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-28 14:09:30,689 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-28 14:09:30,691 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-28 14:09:30,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 02:09:29" (1/3) ... [2022-01-28 14:09:30,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42b2c2e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 02:09:30, skipping insertion in model container [2022-01-28 14:09:30,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:09:30" (2/3) ... [2022-01-28 14:09:30,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42b2c2e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 02:09:30, skipping insertion in model container [2022-01-28 14:09:30,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 02:09:30" (3/3) ... [2022-01-28 14:09:30,693 INFO L111 eAbstractionObserver]: Analyzing ICFG peterson-b.i [2022-01-28 14:09:30,696 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-28 14:09:30,696 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-28 14:09:30,696 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-01-28 14:09:30,696 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-28 14:09:30,719 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,720 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,720 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,720 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,720 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,720 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,720 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,720 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,720 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,720 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,720 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,721 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,721 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,721 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,721 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,721 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,721 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,721 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,721 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,721 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,721 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,722 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,722 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,722 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,722 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,722 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,722 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,722 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,722 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,723 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,723 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~short10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,723 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~short10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,723 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,723 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,723 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~short10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,723 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~short10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,723 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~short10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,723 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~short10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,723 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,724 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,724 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,724 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,724 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~short10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,724 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~short10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,724 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~short10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,724 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~short10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,724 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,724 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,724 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~short10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,725 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~short10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,725 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~short10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,725 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~short10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,725 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~short10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,725 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~short10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,725 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,725 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,726 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,726 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,726 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,726 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,726 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,726 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,726 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,726 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,726 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,726 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,726 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,727 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,727 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,727 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,727 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,727 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,728 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,728 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,728 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,728 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,728 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,728 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,728 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,728 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,728 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,728 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,729 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,729 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,729 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,729 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,729 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,729 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,729 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,729 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,729 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,729 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,730 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,730 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,730 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,730 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,730 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,730 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,730 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,730 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,730 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,731 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,731 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,731 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,731 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,731 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,731 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,731 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,731 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,731 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,731 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,732 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,732 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,732 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,732 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,732 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,732 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,732 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,732 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,732 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,733 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,733 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,733 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,733 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,733 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,733 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,733 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,733 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,734 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,734 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,734 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,734 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,734 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,734 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,734 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,734 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,736 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~short10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,737 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,737 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,737 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,737 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,737 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,737 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,737 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,737 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,740 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,740 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,740 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,740 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,740 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,741 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,741 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,741 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,741 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:09:30,742 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-01-28 14:09:30,770 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-28 14:09:30,774 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2022-01-28 14:09:30,774 INFO L340 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2022-01-28 14:09:30,782 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 155 places, 156 transitions, 328 flow [2022-01-28 14:09:31,407 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 21868 states, 21733 states have (on average 3.0167487231399255) internal successors, (65563), 21867 states have internal predecessors, (65563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:09:31,507 INFO L276 IsEmpty]: Start isEmpty. Operand has 21868 states, 21733 states have (on average 3.0167487231399255) internal successors, (65563), 21867 states have internal predecessors, (65563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:09:31,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-01-28 14:09:31,512 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:09:31,512 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 14:09:31,513 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err4ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2022-01-28 14:09:31,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:09:31,519 INFO L85 PathProgramCache]: Analyzing trace with hash -527627726, now seen corresponding path program 1 times [2022-01-28 14:09:31,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:09:31,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818663874] [2022-01-28 14:09:31,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:09:31,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:09:31,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:09:31,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 14:09:31,696 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:09:31,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818663874] [2022-01-28 14:09:31,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818663874] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:09:31,697 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 14:09:31,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-28 14:09:31,698 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905962871] [2022-01-28 14:09:31,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:09:31,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 14:09:31,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:09:31,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 14:09:31,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 14:09:31,762 INFO L87 Difference]: Start difference. First operand has 21868 states, 21733 states have (on average 3.0167487231399255) internal successors, (65563), 21867 states have internal predecessors, (65563), 0 states have call successors, (0), 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 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:09:32,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:09:32,051 INFO L93 Difference]: Finished difference Result 21447 states and 62491 transitions. [2022-01-28 14:09:32,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 14:09:32,053 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 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 27 [2022-01-28 14:09:32,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:09:32,241 INFO L225 Difference]: With dead ends: 21447 [2022-01-28 14:09:32,242 INFO L226 Difference]: Without dead ends: 21441 [2022-01-28 14:09:32,243 INFO L932 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 [2022-01-28 14:09:32,245 INFO L933 BasicCegarLoop]: 192 mSDtfsCounter, 61 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-28 14:09:32,245 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 316 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-28 14:09:32,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21441 states. [2022-01-28 14:09:32,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21441 to 21121. [2022-01-28 14:09:32,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21121 states, 20958 states have (on average 2.936158030346407) internal successors, (61536), 21120 states have internal predecessors, (61536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:09:32,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21121 states to 21121 states and 61536 transitions. [2022-01-28 14:09:32,918 INFO L78 Accepts]: Start accepts. Automaton has 21121 states and 61536 transitions. Word has length 27 [2022-01-28 14:09:32,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:09:32,918 INFO L470 AbstractCegarLoop]: Abstraction has 21121 states and 61536 transitions. [2022-01-28 14:09:32,918 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:09:32,918 INFO L276 IsEmpty]: Start isEmpty. Operand 21121 states and 61536 transitions. [2022-01-28 14:09:32,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-01-28 14:09:32,921 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:09:32,921 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 14:09:32,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-28 14:09:32,921 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err4ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2022-01-28 14:09:32,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:09:32,924 INFO L85 PathProgramCache]: Analyzing trace with hash -304085184, now seen corresponding path program 1 times [2022-01-28 14:09:32,924 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:09:32,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371681411] [2022-01-28 14:09:32,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:09:32,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:09:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:09:32,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 14:09:32,984 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:09:32,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371681411] [2022-01-28 14:09:32,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371681411] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:09:32,985 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 14:09:32,985 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-28 14:09:32,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195463586] [2022-01-28 14:09:32,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:09:32,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 14:09:32,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:09:32,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 14:09:32,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 14:09:32,987 INFO L87 Difference]: Start difference. First operand 21121 states and 61536 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:09:33,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:09:33,298 INFO L93 Difference]: Finished difference Result 21715 states and 63284 transitions. [2022-01-28 14:09:33,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 14:09:33,299 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 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 32 [2022-01-28 14:09:33,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:09:33,375 INFO L225 Difference]: With dead ends: 21715 [2022-01-28 14:09:33,376 INFO L226 Difference]: Without dead ends: 21715 [2022-01-28 14:09:33,376 INFO L932 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 [2022-01-28 14:09:33,377 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 60 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-28 14:09:33,377 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [60 Valid, 311 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-28 14:09:33,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21715 states. [2022-01-28 14:09:33,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21715 to 21365. [2022-01-28 14:09:33,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21365 states, 21204 states have (on average 2.936191284663271) internal successors, (62259), 21364 states have internal predecessors, (62259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:09:33,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21365 states to 21365 states and 62259 transitions. [2022-01-28 14:09:33,973 INFO L78 Accepts]: Start accepts. Automaton has 21365 states and 62259 transitions. Word has length 32 [2022-01-28 14:09:33,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:09:33,974 INFO L470 AbstractCegarLoop]: Abstraction has 21365 states and 62259 transitions. [2022-01-28 14:09:33,974 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:09:33,974 INFO L276 IsEmpty]: Start isEmpty. Operand 21365 states and 62259 transitions. [2022-01-28 14:09:33,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-28 14:09:33,978 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:09:33,978 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 14:09:33,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-28 14:09:33,979 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err4ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2022-01-28 14:09:33,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:09:33,980 INFO L85 PathProgramCache]: Analyzing trace with hash -133693185, now seen corresponding path program 1 times [2022-01-28 14:09:33,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:09:33,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138922370] [2022-01-28 14:09:33,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:09:33,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:09:34,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:09:34,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 14:09:34,027 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:09:34,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138922370] [2022-01-28 14:09:34,027 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138922370] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:09:34,027 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 14:09:34,027 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-28 14:09:34,028 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90353525] [2022-01-28 14:09:34,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:09:34,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 14:09:34,028 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:09:34,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 14:09:34,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 14:09:34,029 INFO L87 Difference]: Start difference. First operand 21365 states and 62259 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:09:34,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:09:34,329 INFO L93 Difference]: Finished difference Result 21913 states and 63852 transitions. [2022-01-28 14:09:34,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 14:09:34,329 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 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 33 [2022-01-28 14:09:34,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:09:34,398 INFO L225 Difference]: With dead ends: 21913 [2022-01-28 14:09:34,398 INFO L226 Difference]: Without dead ends: 21913 [2022-01-28 14:09:34,399 INFO L932 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 [2022-01-28 14:09:34,399 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 62 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-28 14:09:34,400 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 317 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-28 14:09:34,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21913 states. [2022-01-28 14:09:34,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21913 to 21584. [2022-01-28 14:09:34,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21584 states, 21423 states have (on average 2.9359100032675163) internal successors, (62896), 21583 states have internal predecessors, (62896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:09:34,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21584 states to 21584 states and 62896 transitions. [2022-01-28 14:09:34,881 INFO L78 Accepts]: Start accepts. Automaton has 21584 states and 62896 transitions. Word has length 33 [2022-01-28 14:09:34,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:09:34,881 INFO L470 AbstractCegarLoop]: Abstraction has 21584 states and 62896 transitions. [2022-01-28 14:09:34,881 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:09:34,882 INFO L276 IsEmpty]: Start isEmpty. Operand 21584 states and 62896 transitions. [2022-01-28 14:09:34,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-01-28 14:09:34,885 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:09:34,885 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 14:09:34,885 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-28 14:09:34,885 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err4ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2022-01-28 14:09:34,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:09:34,886 INFO L85 PathProgramCache]: Analyzing trace with hash -915255272, now seen corresponding path program 1 times [2022-01-28 14:09:34,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:09:34,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303121449] [2022-01-28 14:09:34,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:09:34,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:09:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:09:34,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 14:09:34,947 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:09:34,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303121449] [2022-01-28 14:09:34,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303121449] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:09:34,947 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 14:09:34,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-28 14:09:34,948 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505755838] [2022-01-28 14:09:34,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:09:34,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 14:09:34,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:09:34,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 14:09:34,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 14:09:34,948 INFO L87 Difference]: Start difference. First operand 21584 states and 62896 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:09:35,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:09:35,270 INFO L93 Difference]: Finished difference Result 34304 states and 100183 transitions. [2022-01-28 14:09:35,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 14:09:35,270 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 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 35 [2022-01-28 14:09:35,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:09:35,384 INFO L225 Difference]: With dead ends: 34304 [2022-01-28 14:09:35,385 INFO L226 Difference]: Without dead ends: 34304 [2022-01-28 14:09:35,385 INFO L932 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 [2022-01-28 14:09:35,392 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 99 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-28 14:09:35,393 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [99 Valid, 316 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-28 14:09:35,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34304 states. [2022-01-28 14:09:36,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34304 to 21908. [2022-01-28 14:09:36,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21908 states, 21749 states have (on average 2.9358131408340613) internal successors, (63851), 21907 states have internal predecessors, (63851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:09:36,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21908 states to 21908 states and 63851 transitions. [2022-01-28 14:09:36,144 INFO L78 Accepts]: Start accepts. Automaton has 21908 states and 63851 transitions. Word has length 35 [2022-01-28 14:09:36,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:09:36,145 INFO L470 AbstractCegarLoop]: Abstraction has 21908 states and 63851 transitions. [2022-01-28 14:09:36,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:09:36,145 INFO L276 IsEmpty]: Start isEmpty. Operand 21908 states and 63851 transitions. [2022-01-28 14:09:36,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-01-28 14:09:36,146 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:09:36,146 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 14:09:36,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-28 14:09:36,146 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err4ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2022-01-28 14:09:36,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:09:36,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1498675513, now seen corresponding path program 1 times [2022-01-28 14:09:36,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:09:36,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124875414] [2022-01-28 14:09:36,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:09:36,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:09:36,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:09:36,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 14:09:36,293 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:09:36,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124875414] [2022-01-28 14:09:36,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124875414] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:09:36,293 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 14:09:36,293 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-28 14:09:36,294 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361106841] [2022-01-28 14:09:36,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:09:36,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-28 14:09:36,294 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:09:36,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-28 14:09:36,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-01-28 14:09:36,295 INFO L87 Difference]: Start difference. First operand 21908 states and 63851 transitions. Second operand has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:09:36,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:09:36,449 INFO L93 Difference]: Finished difference Result 19785 states and 57388 transitions. [2022-01-28 14:09:36,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 14:09:36,450 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 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 36 [2022-01-28 14:09:36,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:09:36,513 INFO L225 Difference]: With dead ends: 19785 [2022-01-28 14:09:36,513 INFO L226 Difference]: Without dead ends: 19745 [2022-01-28 14:09:36,514 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-01-28 14:09:36,514 INFO L933 BasicCegarLoop]: 492 mSDtfsCounter, 374 mSDsluCounter, 909 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 1395 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-28 14:09:36,515 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [374 Valid, 1395 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-28 14:09:36,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19745 states. [2022-01-28 14:09:36,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19745 to 19745. [2022-01-28 14:09:37,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19745 states, 19663 states have (on average 2.9127294919391753) internal successors, (57273), 19744 states have internal predecessors, (57273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:09:37,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19745 states to 19745 states and 57273 transitions. [2022-01-28 14:09:37,075 INFO L78 Accepts]: Start accepts. Automaton has 19745 states and 57273 transitions. Word has length 36 [2022-01-28 14:09:37,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:09:37,075 INFO L470 AbstractCegarLoop]: Abstraction has 19745 states and 57273 transitions. [2022-01-28 14:09:37,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:09:37,076 INFO L276 IsEmpty]: Start isEmpty. Operand 19745 states and 57273 transitions. [2022-01-28 14:09:37,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-01-28 14:09:37,077 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:09:37,077 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 14:09:37,077 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-28 14:09:37,077 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thr2Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err4ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2022-01-28 14:09:37,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:09:37,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1781087070, now seen corresponding path program 1 times [2022-01-28 14:09:37,078 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:09:37,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412066614] [2022-01-28 14:09:37,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:09:37,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:09:37,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:09:37,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 14:09:37,282 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:09:37,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412066614] [2022-01-28 14:09:37,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412066614] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:09:37,282 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 14:09:37,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-28 14:09:37,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369849804] [2022-01-28 14:09:37,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:09:37,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 14:09:37,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:09:37,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 14:09:37,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 14:09:37,283 INFO L87 Difference]: Start difference. First operand 19745 states and 57273 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:09:37,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:09:37,372 INFO L93 Difference]: Finished difference Result 20231 states and 58679 transitions. [2022-01-28 14:09:37,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 14:09:37,373 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 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 38 [2022-01-28 14:09:37,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:09:37,418 INFO L225 Difference]: With dead ends: 20231 [2022-01-28 14:09:37,419 INFO L226 Difference]: Without dead ends: 20231 [2022-01-28 14:09:37,419 INFO L932 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 [2022-01-28 14:09:37,419 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 61 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-28 14:09:37,420 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 309 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-28 14:09:37,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20231 states. [2022-01-28 14:09:37,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20231 to 19925. [2022-01-28 14:09:37,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19925 states, 19845 states have (on average 2.912270093222474) internal successors, (57794), 19924 states have internal predecessors, (57794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:09:37,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19925 states to 19925 states and 57794 transitions. [2022-01-28 14:09:37,903 INFO L78 Accepts]: Start accepts. Automaton has 19925 states and 57794 transitions. Word has length 38 [2022-01-28 14:09:37,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:09:37,903 INFO L470 AbstractCegarLoop]: Abstraction has 19925 states and 57794 transitions. [2022-01-28 14:09:37,903 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:09:37,903 INFO L276 IsEmpty]: Start isEmpty. Operand 19925 states and 57794 transitions. [2022-01-28 14:09:37,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-01-28 14:09:37,904 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:09:37,904 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 14:09:37,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-28 14:09:37,905 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err4ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2022-01-28 14:09:37,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:09:37,905 INFO L85 PathProgramCache]: Analyzing trace with hash 703404895, now seen corresponding path program 1 times [2022-01-28 14:09:37,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:09:37,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128151713] [2022-01-28 14:09:37,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:09:37,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:09:37,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:09:37,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 14:09:37,925 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:09:37,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128151713] [2022-01-28 14:09:37,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128151713] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:09:37,925 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 14:09:37,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-28 14:09:37,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274967013] [2022-01-28 14:09:37,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:09:37,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 14:09:37,926 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:09:37,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 14:09:37,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 14:09:37,927 INFO L87 Difference]: Start difference. First operand 19925 states and 57794 transitions. Second operand has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:09:38,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:09:38,103 INFO L93 Difference]: Finished difference Result 37398 states and 108068 transitions. [2022-01-28 14:09:38,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 14:09:38,104 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 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 39 [2022-01-28 14:09:38,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:09:38,370 INFO L225 Difference]: With dead ends: 37398 [2022-01-28 14:09:38,370 INFO L226 Difference]: Without dead ends: 37398 [2022-01-28 14:09:38,371 INFO L932 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 [2022-01-28 14:09:38,372 INFO L933 BasicCegarLoop]: 235 mSDtfsCounter, 109 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-28 14:09:38,373 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 357 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-28 14:09:38,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37398 states. [2022-01-28 14:09:38,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37398 to 20198. [2022-01-28 14:09:39,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20198 states, 20124 states have (on average 2.910057642615782) internal successors, (58562), 20197 states have internal predecessors, (58562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:09:39,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20198 states to 20198 states and 58562 transitions. [2022-01-28 14:09:39,047 INFO L78 Accepts]: Start accepts. Automaton has 20198 states and 58562 transitions. Word has length 39 [2022-01-28 14:09:39,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:09:39,047 INFO L470 AbstractCegarLoop]: Abstraction has 20198 states and 58562 transitions. [2022-01-28 14:09:39,059 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:09:39,059 INFO L276 IsEmpty]: Start isEmpty. Operand 20198 states and 58562 transitions. [2022-01-28 14:09:39,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-01-28 14:09:39,060 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:09:39,060 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 14:09:39,061 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-28 14:09:39,061 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thr2Err2ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err4ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2022-01-28 14:09:39,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:09:39,061 INFO L85 PathProgramCache]: Analyzing trace with hash -338542235, now seen corresponding path program 1 times [2022-01-28 14:09:39,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:09:39,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111093589] [2022-01-28 14:09:39,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:09:39,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:09:39,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:09:39,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 14:09:39,083 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:09:39,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111093589] [2022-01-28 14:09:39,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111093589] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:09:39,084 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 14:09:39,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-28 14:09:39,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326685450] [2022-01-28 14:09:39,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:09:39,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 14:09:39,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:09:39,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 14:09:39,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 14:09:39,085 INFO L87 Difference]: Start difference. First operand 20198 states and 58562 transitions. Second operand has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:09:39,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:09:39,204 INFO L93 Difference]: Finished difference Result 31380 states and 91242 transitions. [2022-01-28 14:09:39,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 14:09:39,205 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 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 41 [2022-01-28 14:09:39,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:09:39,278 INFO L225 Difference]: With dead ends: 31380 [2022-01-28 14:09:39,278 INFO L226 Difference]: Without dead ends: 31380 [2022-01-28 14:09:39,279 INFO L932 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 [2022-01-28 14:09:39,279 INFO L933 BasicCegarLoop]: 191 mSDtfsCounter, 92 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-28 14:09:39,279 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [92 Valid, 316 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-28 14:09:39,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31380 states. [2022-01-28 14:09:39,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31380 to 20423. [2022-01-28 14:09:39,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20423 states, 20353 states have (on average 2.909300840170982) internal successors, (59213), 20422 states have internal predecessors, (59213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:09:39,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20423 states to 20423 states and 59213 transitions. [2022-01-28 14:09:39,878 INFO L78 Accepts]: Start accepts. Automaton has 20423 states and 59213 transitions. Word has length 41 [2022-01-28 14:09:39,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:09:39,878 INFO L470 AbstractCegarLoop]: Abstraction has 20423 states and 59213 transitions. [2022-01-28 14:09:39,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:09:39,879 INFO L276 IsEmpty]: Start isEmpty. Operand 20423 states and 59213 transitions. [2022-01-28 14:09:39,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-01-28 14:09:39,881 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:09:39,881 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 14:09:39,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-28 14:09:39,881 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err4ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err4ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2022-01-28 14:09:39,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:09:39,881 INFO L85 PathProgramCache]: Analyzing trace with hash 614086951, now seen corresponding path program 1 times [2022-01-28 14:09:39,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:09:39,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276139101] [2022-01-28 14:09:39,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:09:39,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:09:39,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:09:39,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 14:09:39,903 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:09:39,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276139101] [2022-01-28 14:09:39,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276139101] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:09:39,903 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 14:09:39,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-28 14:09:39,903 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506001098] [2022-01-28 14:09:39,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:09:39,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 14:09:39,904 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:09:39,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 14:09:39,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 14:09:39,904 INFO L87 Difference]: Start difference. First operand 20423 states and 59213 transitions. Second operand has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:09:39,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:09:39,993 INFO L93 Difference]: Finished difference Result 20435 states and 59217 transitions. [2022-01-28 14:09:39,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 14:09:39,993 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 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 43 [2022-01-28 14:09:39,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:09:40,040 INFO L225 Difference]: With dead ends: 20435 [2022-01-28 14:09:40,041 INFO L226 Difference]: Without dead ends: 20435 [2022-01-28 14:09:40,041 INFO L932 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 [2022-01-28 14:09:40,042 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 59 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-28 14:09:40,042 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [59 Valid, 308 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-28 14:09:40,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20435 states. [2022-01-28 14:09:40,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20435 to 20282. [2022-01-28 14:09:40,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20282 states, 20216 states have (on average 2.9077958053027304) internal successors, (58784), 20281 states have internal predecessors, (58784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:09:40,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20282 states to 20282 states and 58784 transitions. [2022-01-28 14:09:40,507 INFO L78 Accepts]: Start accepts. Automaton has 20282 states and 58784 transitions. Word has length 43 [2022-01-28 14:09:40,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:09:40,507 INFO L470 AbstractCegarLoop]: Abstraction has 20282 states and 58784 transitions. [2022-01-28 14:09:40,507 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:09:40,507 INFO L276 IsEmpty]: Start isEmpty. Operand 20282 states and 58784 transitions. [2022-01-28 14:09:40,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-01-28 14:09:40,509 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:09:40,510 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 14:09:40,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-28 14:09:40,510 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thr2Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err4ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2022-01-28 14:09:40,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:09:40,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1870694279, now seen corresponding path program 1 times [2022-01-28 14:09:40,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:09:40,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230111234] [2022-01-28 14:09:40,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:09:40,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:09:40,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-28 14:09:40,524 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-28 14:09:40,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-28 14:09:40,560 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-28 14:09:40,560 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-28 14:09:40,561 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (31 of 32 remaining) [2022-01-28 14:09:40,562 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (30 of 32 remaining) [2022-01-28 14:09:40,563 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (29 of 32 remaining) [2022-01-28 14:09:40,563 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (28 of 32 remaining) [2022-01-28 14:09:40,563 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (27 of 32 remaining) [2022-01-28 14:09:40,563 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (26 of 32 remaining) [2022-01-28 14:09:40,563 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (25 of 32 remaining) [2022-01-28 14:09:40,563 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (24 of 32 remaining) [2022-01-28 14:09:40,563 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (23 of 32 remaining) [2022-01-28 14:09:40,564 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (22 of 32 remaining) [2022-01-28 14:09:40,564 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (21 of 32 remaining) [2022-01-28 14:09:40,564 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (20 of 32 remaining) [2022-01-28 14:09:40,564 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (19 of 32 remaining) [2022-01-28 14:09:40,564 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (18 of 32 remaining) [2022-01-28 14:09:40,564 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (17 of 32 remaining) [2022-01-28 14:09:40,564 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (16 of 32 remaining) [2022-01-28 14:09:40,564 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (15 of 32 remaining) [2022-01-28 14:09:40,565 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (14 of 32 remaining) [2022-01-28 14:09:40,565 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (13 of 32 remaining) [2022-01-28 14:09:40,565 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (12 of 32 remaining) [2022-01-28 14:09:40,565 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (11 of 32 remaining) [2022-01-28 14:09:40,565 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (10 of 32 remaining) [2022-01-28 14:09:40,565 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (9 of 32 remaining) [2022-01-28 14:09:40,565 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (8 of 32 remaining) [2022-01-28 14:09:40,565 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (7 of 32 remaining) [2022-01-28 14:09:40,565 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (6 of 32 remaining) [2022-01-28 14:09:40,565 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (5 of 32 remaining) [2022-01-28 14:09:40,566 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (4 of 32 remaining) [2022-01-28 14:09:40,566 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (3 of 32 remaining) [2022-01-28 14:09:40,566 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (2 of 32 remaining) [2022-01-28 14:09:40,566 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (1 of 32 remaining) [2022-01-28 14:09:40,566 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (0 of 32 remaining) [2022-01-28 14:09:40,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-28 14:09:40,568 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 14:09:40,572 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-28 14:09:40,572 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-28 14:09:40,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.01 02:09:40 BasicIcfg [2022-01-28 14:09:40,598 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-28 14:09:40,598 INFO L158 Benchmark]: Toolchain (without parser) took 10714.02ms. Allocated memory was 195.0MB in the beginning and 5.7GB in the end (delta: 5.5GB). Free memory was 142.6MB in the beginning and 4.7GB in the end (delta: -4.6GB). Peak memory consumption was 970.2MB. Max. memory is 8.0GB. [2022-01-28 14:09:40,598 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 195.0MB. Free memory was 160.6MB in the beginning and 160.5MB in the end (delta: 71.1kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-28 14:09:40,599 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.62ms. Allocated memory is still 195.0MB. Free memory was 142.4MB in the beginning and 160.7MB in the end (delta: -18.3MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-01-28 14:09:40,599 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.60ms. Allocated memory is still 195.0MB. Free memory was 160.7MB in the beginning and 158.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-28 14:09:40,599 INFO L158 Benchmark]: Boogie Preprocessor took 35.17ms. Allocated memory is still 195.0MB. Free memory was 158.6MB in the beginning and 157.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-28 14:09:40,599 INFO L158 Benchmark]: RCFGBuilder took 373.54ms. Allocated memory is still 195.0MB. Free memory was 157.0MB in the beginning and 141.8MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-01-28 14:09:40,599 INFO L158 Benchmark]: TraceAbstraction took 9909.32ms. Allocated memory was 195.0MB in the beginning and 5.7GB in the end (delta: 5.5GB). Free memory was 141.3MB in the beginning and 4.7GB in the end (delta: -4.6GB). Peak memory consumption was 969.3MB. Max. memory is 8.0GB. [2022-01-28 14:09:40,607 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 195.0MB. Free memory was 160.6MB in the beginning and 160.5MB in the end (delta: 71.1kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 339.62ms. Allocated memory is still 195.0MB. Free memory was 142.4MB in the beginning and 160.7MB in the end (delta: -18.3MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.60ms. Allocated memory is still 195.0MB. Free memory was 160.7MB in the beginning and 158.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 35.17ms. Allocated memory is still 195.0MB. Free memory was 158.6MB in the beginning and 157.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 373.54ms. Allocated memory is still 195.0MB. Free memory was 157.0MB in the beginning and 141.8MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 9909.32ms. Allocated memory was 195.0MB in the beginning and 5.7GB in the end (delta: 5.5GB). Free memory was 141.3MB in the beginning and 4.7GB in the end (delta: -4.6GB). Peak memory consumption was 969.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 697]: Data race detected Data race detected The following path leads to a data race: [L684] 0 int flag1 = 0, flag2 = 0; VAL [flag1=0, flag2=0] [L685] 0 int turn; VAL [flag1=0, flag2=0, turn=0] [L686] 0 int x; VAL [flag1=0, flag2=0, turn=0, x=0] [L706] 0 pthread_t t1, t2; VAL [flag1=0, flag2=0, t1={5:0}, t2={3:0}, turn=0, x=0] [L707] FCALL, FORK 0 pthread_create(&t1, 0, thr1, 0) VAL [_={0:0}, flag1=0, flag2=0, pthread_create(&t1, 0, thr1, 0)=-1, t1={5:0}, t2={3:0}, turn=0, x=0] [L688] 1 flag1 = 1 VAL [_={0:0}, _={0:0}, flag1=1, flag2=0, turn=0, x=0] [L708] FCALL, FORK 0 pthread_create(&t2, 0, thr2, 0) VAL [_={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=0, pthread_create(&t2, 0, thr2, 0)=0, t1={5:0}, t2={3:0}, turn=0, x=0] [L697] 2 flag2 = 1 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=1, flag2 = 1=49, turn=0, x=0] [L689] 1 turn = 1 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=1, flag2 = 1=49, turn=1, x=0] [L690] 1 flag2==1 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=1, flag2 = 1=49, turn=1, x=0] [L697] 2 flag2 = 1 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=1, flag2 = 1=49, turn=1, x=0] Now there is a data race on ~flag2~0 between C: flag2==1 [690] and C: flag2 = 1 [697] - UnprovableResult [Line: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 701]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 688]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 689]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 690]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 690]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 692]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 709]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 710]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 708]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 707]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 243 locations, 32 error locations. Started 1 CEGAR loops. OverallTime: 9.8s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.6s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 977 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 977 mSDsluCounter, 3945 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1910 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 219 IncrementalHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 2060 mSDtfsCounter, 219 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21908occurred in iteration=4, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 42011 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 369 NumberOfCodeBlocks, 369 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 315 ConstructedInterpolants, 0 QuantifiedInterpolants, 412 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-01-28 14:09:40,649 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...