/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/gemcutter/NewStatesSleepPersistentFixedOrder-VarAbsGlobalSmt.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE -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/stack_longest-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-73dbefe-m [2022-11-11 11:52:48,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-11 11:52:48,230 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-11 11:52:48,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-11 11:52:48,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-11 11:52:48,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-11 11:52:48,263 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-11 11:52:48,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-11 11:52:48,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-11 11:52:48,270 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-11 11:52:48,271 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-11 11:52:48,273 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-11 11:52:48,273 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-11 11:52:48,274 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-11 11:52:48,277 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-11 11:52:48,278 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-11 11:52:48,279 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-11 11:52:48,279 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-11 11:52:48,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-11 11:52:48,281 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-11 11:52:48,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-11 11:52:48,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-11 11:52:48,284 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-11 11:52:48,285 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-11 11:52:48,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-11 11:52:48,291 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-11 11:52:48,291 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-11 11:52:48,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-11 11:52:48,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-11 11:52:48,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-11 11:52:48,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-11 11:52:48,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-11 11:52:48,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-11 11:52:48,295 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-11 11:52:48,296 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-11 11:52:48,296 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-11 11:52:48,297 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-11 11:52:48,297 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-11 11:52:48,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-11 11:52:48,297 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-11 11:52:48,298 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-11 11:52:48,298 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder-VarAbsGlobalSmt.epf [2022-11-11 11:52:48,321 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-11 11:52:48,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-11 11:52:48,322 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-11 11:52:48,322 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-11 11:52:48,322 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-11 11:52:48,323 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-11 11:52:48,323 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-11 11:52:48,323 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-11 11:52:48,323 INFO L138 SettingsManager]: * Use SBE=true [2022-11-11 11:52:48,323 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-11 11:52:48,324 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-11 11:52:48,324 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-11 11:52:48,324 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-11 11:52:48,324 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-11 11:52:48,324 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-11 11:52:48,324 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-11 11:52:48,324 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-11 11:52:48,325 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-11 11:52:48,325 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-11 11:52:48,325 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-11 11:52:48,325 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-11 11:52:48,325 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-11 11:52:48,325 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-11 11:52:48,325 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-11 11:52:48,325 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-11 11:52:48,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-11 11:52:48,325 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-11 11:52:48,325 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-11 11:52:48,325 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-11 11:52:48,326 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-11 11:52:48,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-11 11:52:48,326 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-11 11:52:48,326 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-11 11:52:48,326 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-11 11:52:48,326 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-11 11:52:48,326 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-11 11:52:48,326 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-11 11:52:48,326 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-11-11 11:52:48,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-11 11:52:48,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-11 11:52:48,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-11 11:52:48,546 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-11 11:52:48,547 INFO L275 PluginConnector]: CDTParser initialized [2022-11-11 11:52:48,548 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longest-2.i [2022-11-11 11:52:48,603 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/024065703/43c07d3bdc634ce3a74cf6519ee2cebf/FLAGece8bbfdc [2022-11-11 11:52:49,011 INFO L306 CDTParser]: Found 1 translation units. [2022-11-11 11:52:49,012 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longest-2.i [2022-11-11 11:52:49,036 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/024065703/43c07d3bdc634ce3a74cf6519ee2cebf/FLAGece8bbfdc [2022-11-11 11:52:49,046 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/024065703/43c07d3bdc634ce3a74cf6519ee2cebf [2022-11-11 11:52:49,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-11 11:52:49,048 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-11 11:52:49,049 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-11 11:52:49,049 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-11 11:52:49,052 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-11 11:52:49,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:52:49" (1/1) ... [2022-11-11 11:52:49,053 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d2f2d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:49, skipping insertion in model container [2022-11-11 11:52:49,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:52:49" (1/1) ... [2022-11-11 11:52:49,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-11 11:52:49,124 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-11 11:52:49,425 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/stack_longest-2.i[41530,41543] [2022-11-11 11:52:49,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-11 11:52:49,463 INFO L203 MainTranslator]: Completed pre-run [2022-11-11 11:52:49,494 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/stack_longest-2.i[41530,41543] [2022-11-11 11:52:49,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-11 11:52:49,558 INFO L208 MainTranslator]: Completed translation [2022-11-11 11:52:49,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:49 WrapperNode [2022-11-11 11:52:49,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-11 11:52:49,560 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-11 11:52:49,560 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-11 11:52:49,560 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-11 11:52:49,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:49" (1/1) ... [2022-11-11 11:52:49,578 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:49" (1/1) ... [2022-11-11 11:52:49,601 INFO L138 Inliner]: procedures = 277, calls = 40, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 194 [2022-11-11 11:52:49,601 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-11 11:52:49,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-11 11:52:49,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-11 11:52:49,602 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-11 11:52:49,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:49" (1/1) ... [2022-11-11 11:52:49,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:49" (1/1) ... [2022-11-11 11:52:49,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:49" (1/1) ... [2022-11-11 11:52:49,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:49" (1/1) ... [2022-11-11 11:52:49,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:49" (1/1) ... [2022-11-11 11:52:49,637 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:49" (1/1) ... [2022-11-11 11:52:49,639 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:49" (1/1) ... [2022-11-11 11:52:49,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:49" (1/1) ... [2022-11-11 11:52:49,642 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-11 11:52:49,643 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-11 11:52:49,643 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-11 11:52:49,643 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-11 11:52:49,651 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:49" (1/1) ... [2022-11-11 11:52:49,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-11 11:52:49,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-11 11:52:49,673 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) [2022-11-11 11:52:49,683 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 [2022-11-11 11:52:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-11 11:52:49,707 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-11 11:52:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-11 11:52:49,709 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-11 11:52:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-11 11:52:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-11 11:52:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-11 11:52:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-11 11:52:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-11 11:52:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-11 11:52:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-11 11:52:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-11 11:52:49,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-11 11:52:49,711 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-11 11:52:49,805 INFO L235 CfgBuilder]: Building ICFG [2022-11-11 11:52:49,806 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-11 11:52:50,099 INFO L276 CfgBuilder]: Performing block encoding [2022-11-11 11:52:50,106 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-11 11:52:50,106 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-11 11:52:50,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:52:50 BoogieIcfgContainer [2022-11-11 11:52:50,108 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-11 11:52:50,109 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-11 11:52:50,110 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-11 11:52:50,112 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-11 11:52:50,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 11:52:49" (1/3) ... [2022-11-11 11:52:50,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@650fd2b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 11:52:50, skipping insertion in model container [2022-11-11 11:52:50,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:49" (2/3) ... [2022-11-11 11:52:50,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@650fd2b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 11:52:50, skipping insertion in model container [2022-11-11 11:52:50,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:52:50" (3/3) ... [2022-11-11 11:52:50,114 INFO L112 eAbstractionObserver]: Analyzing ICFG stack_longest-2.i [2022-11-11 11:52:50,119 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-11 11:52:50,126 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-11 11:52:50,127 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations. [2022-11-11 11:52:50,127 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-11 11:52:50,196 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-11 11:52:50,240 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-11 11:52:50,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-11 11:52:50,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-11 11:52:50,242 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-11 11:52:50,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-11 11:52:50,281 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-11 11:52:50,289 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Thread1of1ForFork0 ======== [2022-11-11 11:52:50,293 INFO L357 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=PARTIAL_ORDER_FA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@652119ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-11 11:52:50,293 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-11-11 11:52:50,583 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONDATA_RACE === [t1Err0ASSERT_VIOLATIONDATA_RACE, t1Err1ASSERT_VIOLATIONDATA_RACE, t1Err2ASSERT_VIOLATIONDATA_RACE, t1Err3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-11 11:52:50,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-11 11:52:50,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1326079830, now seen corresponding path program 1 times [2022-11-11 11:52:50,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-11 11:52:50,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81480339] [2022-11-11 11:52:50,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-11 11:52:50,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-11 11:52:50,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-11 11:52:50,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-11 11:52:50,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-11 11:52:50,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81480339] [2022-11-11 11:52:50,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81480339] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-11 11:52:50,799 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-11 11:52:50,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-11 11:52:50,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430390987] [2022-11-11 11:52:50,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-11 11:52:50,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-11 11:52:50,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-11 11:52:50,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-11 11:52:50,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-11 11:52:50,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:52:50,829 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-11 11:52:50,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 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) [2022-11-11 11:52:50,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:52:50,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:52:50,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-11 11:52:50,852 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONDATA_RACE === [t1Err0ASSERT_VIOLATIONDATA_RACE, t1Err1ASSERT_VIOLATIONDATA_RACE, t1Err2ASSERT_VIOLATIONDATA_RACE, t1Err3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-11 11:52:50,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-11 11:52:50,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1742151928, now seen corresponding path program 1 times [2022-11-11 11:52:50,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-11 11:52:50,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938166027] [2022-11-11 11:52:50,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-11 11:52:50,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-11 11:52:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-11 11:52:50,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-11 11:52:50,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-11 11:52:50,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938166027] [2022-11-11 11:52:50,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938166027] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-11 11:52:50,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-11 11:52:50,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-11 11:52:50,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660192694] [2022-11-11 11:52:50,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-11 11:52:50,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-11 11:52:50,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-11 11:52:50,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-11 11:52:50,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-11 11:52:50,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:52:50,936 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-11 11:52:50,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 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) [2022-11-11 11:52:50,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:52:50,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:52:51,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:52:51,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:51,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-11 11:52:51,164 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err2ASSERT_VIOLATIONDATA_RACE === [t1Err0ASSERT_VIOLATIONDATA_RACE, t1Err1ASSERT_VIOLATIONDATA_RACE, t1Err2ASSERT_VIOLATIONDATA_RACE, t1Err3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-11 11:52:51,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-11 11:52:51,166 INFO L85 PathProgramCache]: Analyzing trace with hash -1437829724, now seen corresponding path program 1 times [2022-11-11 11:52:51,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-11 11:52:51,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202002325] [2022-11-11 11:52:51,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-11 11:52:51,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-11 11:52:51,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-11 11:52:51,387 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-11 11:52:51,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-11 11:52:51,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202002325] [2022-11-11 11:52:51,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202002325] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-11 11:52:51,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-11 11:52:51,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-11 11:52:51,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913587324] [2022-11-11 11:52:51,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-11 11:52:51,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-11 11:52:51,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-11 11:52:51,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-11 11:52:51,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-11 11:52:51,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:52:51,390 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-11 11:52:51,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 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) [2022-11-11 11:52:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:52:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:52:51,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:52:51,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:51,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:51,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-11 11:52:51,454 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err2ASSERT_VIOLATIONDATA_RACE === [t1Err0ASSERT_VIOLATIONDATA_RACE, t1Err1ASSERT_VIOLATIONDATA_RACE, t1Err2ASSERT_VIOLATIONDATA_RACE, t1Err3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-11 11:52:51,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-11 11:52:51,454 INFO L85 PathProgramCache]: Analyzing trace with hash -734582022, now seen corresponding path program 1 times [2022-11-11 11:52:51,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-11 11:52:51,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002153128] [2022-11-11 11:52:51,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-11 11:52:51,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-11 11:52:51,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-11 11:52:51,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-11 11:52:51,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-11 11:52:51,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002153128] [2022-11-11 11:52:51,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002153128] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-11 11:52:51,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-11 11:52:51,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-11 11:52:51,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233812920] [2022-11-11 11:52:51,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-11 11:52:51,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-11 11:52:51,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-11 11:52:51,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-11 11:52:51,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-11 11:52:51,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:52:51,775 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-11 11:52:51,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 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) [2022-11-11 11:52:51,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:52:51,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:51,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:51,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:52:51,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:52:51,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:51,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:51,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-11 11:52:51,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-11 11:52:51,887 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t1Err4ASSERT_VIOLATIONDATA_RACE === [t1Err0ASSERT_VIOLATIONDATA_RACE, t1Err1ASSERT_VIOLATIONDATA_RACE, t1Err2ASSERT_VIOLATIONDATA_RACE, t1Err3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-11 11:52:51,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-11 11:52:51,888 INFO L85 PathProgramCache]: Analyzing trace with hash 815692386, now seen corresponding path program 1 times [2022-11-11 11:52:51,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-11 11:52:51,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15415949] [2022-11-11 11:52:51,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-11 11:52:51,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-11 11:52:51,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-11 11:52:51,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-11 11:52:51,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-11 11:52:51,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15415949] [2022-11-11 11:52:51,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15415949] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-11 11:52:51,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-11 11:52:51,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-11 11:52:51,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599667959] [2022-11-11 11:52:51,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-11 11:52:51,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-11 11:52:51,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-11 11:52:51,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-11 11:52:51,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-11 11:52:51,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:52:51,937 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-11 11:52:51,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 41.5) internal successors, (83), 3 states have internal predecessors, (83), 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) [2022-11-11 11:52:51,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:52:51,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:51,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:51,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-11 11:52:51,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:52:52,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:52:52,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:52,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:52,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-11 11:52:52,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:52,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-11 11:52:52,141 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t1Err4ASSERT_VIOLATIONDATA_RACE === [t1Err0ASSERT_VIOLATIONDATA_RACE, t1Err1ASSERT_VIOLATIONDATA_RACE, t1Err2ASSERT_VIOLATIONDATA_RACE, t1Err3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-11 11:52:52,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-11 11:52:52,142 INFO L85 PathProgramCache]: Analyzing trace with hash 214048917, now seen corresponding path program 1 times [2022-11-11 11:52:52,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-11 11:52:52,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488471976] [2022-11-11 11:52:52,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-11 11:52:52,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-11 11:52:52,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-11 11:52:52,359 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 124 proven. 20 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-11 11:52:52,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-11 11:52:52,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488471976] [2022-11-11 11:52:52,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488471976] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-11 11:52:52,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889868425] [2022-11-11 11:52:52,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-11 11:52:52,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-11 11:52:52,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-11 11:52:52,361 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-11 11:52:52,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-11 11:52:52,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-11 11:52:52,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-11 11:52:52,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-11 11:52:52,601 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-11-11 11:52:52,601 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-11 11:52:52,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [889868425] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-11 11:52:52,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-11 11:52:52,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-11 11:52:52,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376086791] [2022-11-11 11:52:52,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-11 11:52:52,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-11 11:52:52,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-11 11:52:52,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-11 11:52:52,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-11 11:52:52,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:52:52,608 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-11 11:52:52,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 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) [2022-11-11 11:52:52,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:52:52,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:52,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:52,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-11 11:52:52,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:52,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:52:52,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:52:52,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:52,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:52,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-11 11:52:52,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:52,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:52,719 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-11 11:52:52,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-11 11:52:52,896 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err0ASSERT_VIOLATIONDATA_RACE === [t1Err0ASSERT_VIOLATIONDATA_RACE, t1Err1ASSERT_VIOLATIONDATA_RACE, t1Err2ASSERT_VIOLATIONDATA_RACE, t1Err3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-11 11:52:52,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-11 11:52:52,897 INFO L85 PathProgramCache]: Analyzing trace with hash 2130104592, now seen corresponding path program 1 times [2022-11-11 11:52:52,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-11 11:52:52,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333473269] [2022-11-11 11:52:52,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-11 11:52:52,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-11 11:52:52,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-11 11:52:53,062 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 96 proven. 20 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-11 11:52:53,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-11 11:52:53,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333473269] [2022-11-11 11:52:53,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333473269] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-11 11:52:53,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1374964292] [2022-11-11 11:52:53,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-11 11:52:53,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-11 11:52:53,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-11 11:52:53,064 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-11 11:52:53,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-11 11:52:53,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-11 11:52:53,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-11 11:52:53,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-11 11:52:53,322 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 96 proven. 20 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-11 11:52:53,322 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-11 11:52:53,434 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 96 proven. 20 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-11 11:52:53,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1374964292] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-11 11:52:53,434 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-11 11:52:53,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-11-11 11:52:53,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117345959] [2022-11-11 11:52:53,435 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-11 11:52:53,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-11 11:52:53,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-11 11:52:53,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-11 11:52:53,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-11 11:52:53,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:52:53,439 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-11 11:52:53,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 36.3) internal successors, (363), 10 states have internal predecessors, (363), 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) [2022-11-11 11:52:53,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:52:53,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:53,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:53,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-11 11:52:53,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:53,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:53,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:52:53,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:52:53,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:53,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:53,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-11 11:52:53,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:53,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:53,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-11 11:52:53,562 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-11 11:52:53,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-11 11:52:53,762 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t1Err0ASSERT_VIOLATIONDATA_RACE === [t1Err0ASSERT_VIOLATIONDATA_RACE, t1Err1ASSERT_VIOLATIONDATA_RACE, t1Err2ASSERT_VIOLATIONDATA_RACE, t1Err3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-11 11:52:53,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-11 11:52:53,762 INFO L85 PathProgramCache]: Analyzing trace with hash 806270544, now seen corresponding path program 2 times [2022-11-11 11:52:53,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-11 11:52:53,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542292447] [2022-11-11 11:52:53,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-11 11:52:53,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-11 11:52:53,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-11 11:52:53,987 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2022-11-11 11:52:53,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-11 11:52:53,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542292447] [2022-11-11 11:52:53,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542292447] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-11 11:52:53,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-11 11:52:53,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-11 11:52:53,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619012168] [2022-11-11 11:52:53,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-11 11:52:53,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-11 11:52:53,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-11 11:52:53,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-11 11:52:53,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-11 11:52:53,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:52:53,990 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-11 11:52:53,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 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) [2022-11-11 11:52:53,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:52:53,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:53,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:53,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-11 11:52:53,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:53,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:53,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-11 11:52:53,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:52:54,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:52:54,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:54,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:54,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-11 11:52:54,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:54,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:54,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-11 11:52:54,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:54,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-11 11:52:54,411 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t1Err2ASSERT_VIOLATIONDATA_RACE === [t1Err0ASSERT_VIOLATIONDATA_RACE, t1Err1ASSERT_VIOLATIONDATA_RACE, t1Err2ASSERT_VIOLATIONDATA_RACE, t1Err3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-11 11:52:54,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-11 11:52:54,412 INFO L85 PathProgramCache]: Analyzing trace with hash -588099083, now seen corresponding path program 1 times [2022-11-11 11:52:54,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-11 11:52:54,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155450312] [2022-11-11 11:52:54,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-11 11:52:54,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-11 11:52:54,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-11 11:52:54,573 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 701 proven. 0 refuted. 0 times theorem prover too weak. 608 trivial. 0 not checked. [2022-11-11 11:52:54,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-11 11:52:54,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155450312] [2022-11-11 11:52:54,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155450312] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-11 11:52:54,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-11 11:52:54,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-11 11:52:54,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041747943] [2022-11-11 11:52:54,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-11 11:52:54,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-11 11:52:54,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-11 11:52:54,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-11 11:52:54,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-11 11:52:54,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:52:54,576 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-11 11:52:54,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 3 states have internal predecessors, (244), 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) [2022-11-11 11:52:54,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:52:54,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:54,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:54,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-11 11:52:54,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:54,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:54,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-11 11:52:54,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:54,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:52:54,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:52:54,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:54,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:54,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-11 11:52:54,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:54,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:54,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-11 11:52:54,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:54,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:54,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-11 11:52:54,776 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t1Err2ASSERT_VIOLATIONDATA_RACE === [t1Err0ASSERT_VIOLATIONDATA_RACE, t1Err1ASSERT_VIOLATIONDATA_RACE, t1Err2ASSERT_VIOLATIONDATA_RACE, t1Err3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-11 11:52:54,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-11 11:52:54,776 INFO L85 PathProgramCache]: Analyzing trace with hash -737967596, now seen corresponding path program 1 times [2022-11-11 11:52:54,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-11 11:52:54,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305871235] [2022-11-11 11:52:54,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-11 11:52:54,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-11 11:52:54,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-11 11:52:55,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1296 backedges. 743 proven. 237 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2022-11-11 11:52:55,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-11 11:52:55,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305871235] [2022-11-11 11:52:55,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305871235] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-11 11:52:55,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1334378669] [2022-11-11 11:52:55,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-11 11:52:55,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-11 11:52:55,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-11 11:52:55,194 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-11 11:52:55,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-11 11:52:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-11 11:52:55,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 1155 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-11 11:52:55,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-11 11:52:55,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1296 backedges. 743 proven. 237 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2022-11-11 11:52:55,628 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-11 11:52:55,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1296 backedges. 743 proven. 237 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2022-11-11 11:52:55,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1334378669] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-11 11:52:55,882 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-11 11:52:55,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-11-11 11:52:55,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573648305] [2022-11-11 11:52:55,895 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-11 11:52:55,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-11 11:52:55,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-11 11:52:55,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-11 11:52:55,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-11-11 11:52:55,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:52:55,898 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-11 11:52:55,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 36.611111111111114) internal successors, (659), 18 states have internal predecessors, (659), 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) [2022-11-11 11:52:55,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:52:55,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:55,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:55,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-11 11:52:55,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:55,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:55,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-11 11:52:55,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:55,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:55,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:52:56,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:52:56,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:56,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:56,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-11 11:52:56,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:56,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:56,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-11 11:52:56,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:56,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:52:56,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-11 11:52:56,428 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-11 11:52:56,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-11 11:52:56,629 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t1Err2ASSERT_VIOLATIONDATA_RACE === [t1Err0ASSERT_VIOLATIONDATA_RACE, t1Err1ASSERT_VIOLATIONDATA_RACE, t1Err2ASSERT_VIOLATIONDATA_RACE, t1Err3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-11 11:52:56,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-11 11:52:56,630 INFO L85 PathProgramCache]: Analyzing trace with hash 416409108, now seen corresponding path program 2 times [2022-11-11 11:52:56,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-11 11:52:56,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941555269] [2022-11-11 11:52:56,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-11 11:52:56,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-11 11:52:56,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-11 11:52:57,831 INFO L134 CoverageAnalysis]: Checked inductivity of 6292 backedges. 3359 proven. 1379 refuted. 0 times theorem prover too weak. 1554 trivial. 0 not checked. [2022-11-11 11:52:57,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-11 11:52:57,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941555269] [2022-11-11 11:52:57,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941555269] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-11 11:52:57,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [560449181] [2022-11-11 11:52:57,832 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-11 11:52:57,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-11 11:52:57,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-11 11:52:57,833 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-11 11:52:57,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-11 11:52:58,043 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-11 11:52:58,043 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-11 11:52:58,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-11 11:52:58,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-11 11:52:58,122 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-11 11:52:58,123 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-11 11:53:00,213 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-11 11:53:00,234 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2022-11-11 11:53:00,262 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-11 11:53:00,263 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2022-11-11 11:53:00,293 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-11 11:53:00,294 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2022-11-11 11:53:00,333 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 50 [2022-11-11 11:53:00,359 INFO L134 CoverageAnalysis]: Checked inductivity of 6292 backedges. 0 proven. 315 refuted. 0 times theorem prover too weak. 5977 trivial. 0 not checked. [2022-11-11 11:53:00,360 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-11 11:53:00,504 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (* |c_t1Thread1of1ForFork0_push_#t~ret36#1| 4))) (let ((.cse2 (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| 3 .cse1))) (let ((.cse0 (store |c_#race| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#race| |c_t1Thread1of1ForFork0_push_~stack#1.base|) .cse2 |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)))) (and (forall ((v_ArrVal_1286 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1286) |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| 2 .cse1)) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)) (forall ((v_ArrVal_1286 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1286) |c_t1Thread1of1ForFork0_push_~stack#1.base|) .cse2) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)) (forall ((v_ArrVal_1286 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1286) |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| .cse1)) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)) (forall ((v_ArrVal_1286 (Array Int Int))) (= |c_t1Thread1of1ForFork0_push_#t~nondet37#1| (select (select (store .cse0 |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1286) |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| 1 .cse1)))))))) is different from false [2022-11-11 11:53:00,521 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (* |c_t1Thread1of1ForFork0_push_#t~ret36#1| 4))) (let ((.cse2 (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| 2 .cse1)) (.cse3 (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| 3 .cse1))) (let ((.cse0 (store |c_#race| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (store (select |c_#race| |c_t1Thread1of1ForFork0_push_~stack#1.base|) .cse2 |c_t1Thread1of1ForFork0_push_#t~nondet37#1|) .cse3 |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)))) (and (forall ((v_ArrVal_1286 (Array Int Int))) (= |c_t1Thread1of1ForFork0_push_#t~nondet37#1| (select (select (store .cse0 |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1286) |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| .cse1)))) (forall ((v_ArrVal_1286 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1286) |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| 1 .cse1)) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)) (forall ((v_ArrVal_1286 (Array Int Int))) (= |c_t1Thread1of1ForFork0_push_#t~nondet37#1| (select (select (store .cse0 |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1286) |c_t1Thread1of1ForFork0_push_~stack#1.base|) .cse2))) (forall ((v_ArrVal_1286 (Array Int Int))) (= |c_t1Thread1of1ForFork0_push_#t~nondet37#1| (select (select (store .cse0 |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1286) |c_t1Thread1of1ForFork0_push_~stack#1.base|) .cse3))))))) is different from false [2022-11-11 11:53:00,617 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-11 11:53:00,617 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 67 [2022-11-11 11:53:00,624 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-11 11:53:00,625 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 93 treesize of output 31 [2022-11-11 11:53:00,632 INFO L356 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2022-11-11 11:53:00,632 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 1 [2022-11-11 11:53:00,638 INFO L356 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2022-11-11 11:53:00,638 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 50 treesize of output 1 [2022-11-11 11:53:00,643 INFO L356 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2022-11-11 11:53:00,643 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 1 [2022-11-11 11:53:01,670 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-11 11:53:01,670 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-11-11 11:53:01,676 INFO L134 CoverageAnalysis]: Checked inductivity of 6292 backedges. 0 proven. 287 refuted. 0 times theorem prover too weak. 5977 trivial. 28 not checked. [2022-11-11 11:53:01,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [560449181] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-11 11:53:01,676 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-11 11:53:01,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 11, 11] total 36 [2022-11-11 11:53:01,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541180475] [2022-11-11 11:53:01,677 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-11 11:53:01,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-11-11 11:53:01,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-11 11:53:01,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-11-11 11:53:01,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=948, Unknown=34, NotChecked=130, Total=1260 [2022-11-11 11:53:01,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:53:01,680 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-11 11:53:01,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 26.694444444444443) internal successors, (961), 36 states have internal predecessors, (961), 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) [2022-11-11 11:53:01,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:53:01,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:01,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:01,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-11 11:53:01,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:01,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:01,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-11 11:53:01,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:01,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:01,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-11 11:53:01,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:53:07,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:53:07,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:07,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:07,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-11 11:53:07,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:07,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:07,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-11 11:53:07,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:07,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:07,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-11 11:53:07,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2022-11-11 11:53:07,516 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-11-11 11:53:07,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-11 11:53:07,719 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t1Err2ASSERT_VIOLATIONDATA_RACE === [t1Err0ASSERT_VIOLATIONDATA_RACE, t1Err1ASSERT_VIOLATIONDATA_RACE, t1Err2ASSERT_VIOLATIONDATA_RACE, t1Err3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-11 11:53:07,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-11 11:53:07,719 INFO L85 PathProgramCache]: Analyzing trace with hash -426292172, now seen corresponding path program 3 times [2022-11-11 11:53:07,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-11 11:53:07,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545302551] [2022-11-11 11:53:07,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-11 11:53:07,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-11 11:53:07,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-11 11:53:09,077 INFO L134 CoverageAnalysis]: Checked inductivity of 7182 backedges. 3816 proven. 1812 refuted. 0 times theorem prover too weak. 1554 trivial. 0 not checked. [2022-11-11 11:53:09,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-11 11:53:09,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545302551] [2022-11-11 11:53:09,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545302551] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-11 11:53:09,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086835311] [2022-11-11 11:53:09,078 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-11 11:53:09,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-11 11:53:09,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-11 11:53:09,088 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-11 11:53:09,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-11 11:53:09,318 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-11 11:53:09,318 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-11 11:53:09,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-11 11:53:09,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-11 11:53:09,385 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-11 11:53:09,385 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-11 11:53:11,764 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-11 11:53:11,797 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2022-11-11 11:53:11,826 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-11 11:53:11,827 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2022-11-11 11:53:11,862 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 40 [2022-11-11 11:53:11,892 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-11 11:53:11,892 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2022-11-11 11:53:11,922 INFO L134 CoverageAnalysis]: Checked inductivity of 7182 backedges. 0 proven. 337 refuted. 0 times theorem prover too weak. 6845 trivial. 0 not checked. [2022-11-11 11:53:11,922 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-11 11:53:11,976 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (* |c_t1Thread1of1ForFork0_push_#t~ret36#1| 4))) (and (forall ((v_ArrVal_1815 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1815) |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| .cse0)) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)) (forall ((v_ArrVal_1815 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1815) |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| 1 .cse0)) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)) (forall ((v_ArrVal_1815 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1815) |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| 2 .cse0)) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)))) is different from false [2022-11-11 11:53:11,998 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (* |c_t1Thread1of1ForFork0_push_#t~ret36#1| 4))) (let ((.cse2 (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| 2 .cse1))) (let ((.cse0 (store |c_#race| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#race| |c_t1Thread1of1ForFork0_push_~stack#1.base|) .cse2 |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)))) (and (forall ((v_ArrVal_1815 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1815) |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| .cse1)) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)) (forall ((v_ArrVal_1815 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1815) |c_t1Thread1of1ForFork0_push_~stack#1.base|) .cse2) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)) (forall ((v_ArrVal_1815 (Array Int Int))) (= |c_t1Thread1of1ForFork0_push_#t~nondet37#1| (select (select (store .cse0 |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1815) |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| 1 .cse1)))))))) is different from false [2022-11-11 11:53:12,009 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse2 (* |c_t1Thread1of1ForFork0_push_#t~ret36#1| 4))) (let ((.cse1 (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| 1 .cse2)) (.cse3 (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| 2 .cse2))) (let ((.cse0 (store |c_#race| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (store (select |c_#race| |c_t1Thread1of1ForFork0_push_~stack#1.base|) .cse1 |c_t1Thread1of1ForFork0_push_#t~nondet37#1|) .cse3 |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)))) (and (forall ((v_ArrVal_1815 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1815) |c_t1Thread1of1ForFork0_push_~stack#1.base|) .cse1) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)) (forall ((v_ArrVal_1815 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1815) |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| .cse2)) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)) (forall ((v_ArrVal_1815 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1815) |c_t1Thread1of1ForFork0_push_~stack#1.base|) .cse3) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)))))) is different from false [2022-11-11 11:53:12,018 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-11 11:53:12,018 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 54 [2022-11-11 11:53:12,022 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-11 11:53:12,023 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 93 treesize of output 31 [2022-11-11 11:53:12,028 INFO L356 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2022-11-11 11:53:12,028 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 1 [2022-11-11 11:53:12,032 INFO L356 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2022-11-11 11:53:12,032 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 1 [2022-11-11 11:53:13,034 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-11 11:53:13,035 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-11-11 11:53:13,047 INFO L134 CoverageAnalysis]: Checked inductivity of 7182 backedges. 0 proven. 307 refuted. 0 times theorem prover too weak. 6845 trivial. 30 not checked. [2022-11-11 11:53:13,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1086835311] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-11 11:53:13,047 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-11 11:53:13,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 11, 11] total 38 [2022-11-11 11:53:13,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897226893] [2022-11-11 11:53:13,047 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-11 11:53:13,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-11-11 11:53:13,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-11 11:53:13,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-11-11 11:53:13,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=1040, Unknown=3, NotChecked=204, Total=1406 [2022-11-11 11:53:13,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:53:13,051 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-11 11:53:13,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 26.842105263157894) internal successors, (1020), 38 states have internal predecessors, (1020), 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) [2022-11-11 11:53:13,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:53:13,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:13,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:13,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-11 11:53:13,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:13,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:13,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-11 11:53:13,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:13,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:13,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-11 11:53:13,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 175 states. [2022-11-11 11:53:13,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:53:23,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:53:23,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:23,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:23,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-11 11:53:23,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:23,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:23,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-11 11:53:23,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:23,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:23,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-11 11:53:23,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2022-11-11 11:53:23,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2022-11-11 11:53:23,313 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-11-11 11:53:23,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-11 11:53:23,499 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting t1Err2ASSERT_VIOLATIONDATA_RACE === [t1Err0ASSERT_VIOLATIONDATA_RACE, t1Err1ASSERT_VIOLATIONDATA_RACE, t1Err2ASSERT_VIOLATIONDATA_RACE, t1Err3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-11 11:53:23,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-11 11:53:23,499 INFO L85 PathProgramCache]: Analyzing trace with hash -2135910646, now seen corresponding path program 4 times [2022-11-11 11:53:23,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-11 11:53:23,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049467806] [2022-11-11 11:53:23,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-11 11:53:23,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-11 11:53:23,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-11 11:53:25,047 INFO L134 CoverageAnalysis]: Checked inductivity of 9139 backedges. 4824 proven. 2304 refuted. 0 times theorem prover too weak. 2011 trivial. 0 not checked. [2022-11-11 11:53:25,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-11 11:53:25,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049467806] [2022-11-11 11:53:25,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049467806] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-11 11:53:25,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [403927996] [2022-11-11 11:53:25,048 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-11 11:53:25,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-11 11:53:25,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-11 11:53:25,049 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-11 11:53:25,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-11 11:53:25,527 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-11 11:53:25,527 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-11 11:53:25,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 2189 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-11 11:53:25,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-11 11:53:26,454 INFO L134 CoverageAnalysis]: Checked inductivity of 9139 backedges. 7558 proven. 19 refuted. 0 times theorem prover too weak. 1562 trivial. 0 not checked. [2022-11-11 11:53:26,454 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-11 11:53:27,563 INFO L134 CoverageAnalysis]: Checked inductivity of 9139 backedges. 7558 proven. 19 refuted. 0 times theorem prover too weak. 1562 trivial. 0 not checked. [2022-11-11 11:53:27,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [403927996] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-11 11:53:27,563 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-11 11:53:27,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 22, 22] total 58 [2022-11-11 11:53:27,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176885738] [2022-11-11 11:53:27,564 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-11 11:53:27,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2022-11-11 11:53:27,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-11 11:53:27,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2022-11-11 11:53:27,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=502, Invalid=2804, Unknown=0, NotChecked=0, Total=3306 [2022-11-11 11:53:27,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:53:27,568 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-11 11:53:27,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 33.39655172413793) internal successors, (1937), 58 states have internal predecessors, (1937), 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) [2022-11-11 11:53:27,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:53:27,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:27,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:27,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-11 11:53:27,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:27,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:27,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-11 11:53:27,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:27,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:27,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-11 11:53:27,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 175 states. [2022-11-11 11:53:27,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states. [2022-11-11 11:53:27,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:53:30,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:53:30,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:30,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:30,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-11 11:53:30,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:30,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:30,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-11 11:53:30,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-11 11:53:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2022-11-11 11:53:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2022-11-11 11:53:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2022-11-11 11:53:30,831 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-11 11:53:31,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-11 11:53:31,014 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting t1Err2ASSERT_VIOLATIONDATA_RACE === [t1Err0ASSERT_VIOLATIONDATA_RACE, t1Err1ASSERT_VIOLATIONDATA_RACE, t1Err2ASSERT_VIOLATIONDATA_RACE, t1Err3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-11 11:53:31,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-11 11:53:31,015 INFO L85 PathProgramCache]: Analyzing trace with hash -860515713, now seen corresponding path program 1 times [2022-11-11 11:53:31,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-11 11:53:31,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606751403] [2022-11-11 11:53:31,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-11 11:53:31,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-11 11:53:31,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-11 11:53:32,236 INFO L134 CoverageAnalysis]: Checked inductivity of 3969 backedges. 1070 proven. 2855 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-11 11:53:32,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-11 11:53:32,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606751403] [2022-11-11 11:53:32,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606751403] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-11 11:53:32,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280436826] [2022-11-11 11:53:32,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-11 11:53:32,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-11 11:53:32,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-11 11:53:32,240 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-11 11:53:32,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-11 11:53:32,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-11 11:53:32,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 1737 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-11 11:53:32,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-11 11:53:33,248 INFO L134 CoverageAnalysis]: Checked inductivity of 3969 backedges. 1070 proven. 2855 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-11 11:53:33,248 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-11 11:53:34,156 INFO L134 CoverageAnalysis]: Checked inductivity of 3969 backedges. 1070 proven. 2855 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-11 11:53:34,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1280436826] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-11 11:53:34,156 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-11 11:53:34,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 46 [2022-11-11 11:53:34,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196388696] [2022-11-11 11:53:34,157 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-11 11:53:34,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2022-11-11 11:53:34,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-11 11:53:34,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2022-11-11 11:53:34,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=552, Invalid=1518, Unknown=0, NotChecked=0, Total=2070 [2022-11-11 11:53:34,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:53:34,160 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-11 11:53:34,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 32.21739130434783) internal successors, (1482), 46 states have internal predecessors, (1482), 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) [2022-11-11 11:53:34,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:53:34,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:34,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:34,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-11 11:53:34,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:34,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:34,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-11 11:53:34,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:34,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:34,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-11 11:53:34,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 175 states. [2022-11-11 11:53:34,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2022-11-11 11:53:34,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2022-11-11 11:53:34,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:53:38,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:53:38,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:38,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:38,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-11 11:53:38,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:38,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:38,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-11 11:53:38,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:38,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:38,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-11 11:53:38,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2022-11-11 11:53:38,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2022-11-11 11:53:38,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2022-11-11 11:53:38,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-11-11 11:53:38,358 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-11 11:53:38,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-11 11:53:38,554 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting t1Err2ASSERT_VIOLATIONDATA_RACE === [t1Err0ASSERT_VIOLATIONDATA_RACE, t1Err1ASSERT_VIOLATIONDATA_RACE, t1Err2ASSERT_VIOLATIONDATA_RACE, t1Err3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-11 11:53:38,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-11 11:53:38,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1301315677, now seen corresponding path program 2 times [2022-11-11 11:53:38,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-11 11:53:38,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469726487] [2022-11-11 11:53:38,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-11 11:53:38,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-11 11:53:38,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-11 11:53:42,532 INFO L134 CoverageAnalysis]: Checked inductivity of 15057 backedges. 2203 proven. 12810 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-11 11:53:42,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-11 11:53:42,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469726487] [2022-11-11 11:53:42,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469726487] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-11 11:53:42,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1196165526] [2022-11-11 11:53:42,533 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-11 11:53:42,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-11 11:53:42,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-11 11:53:42,534 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-11 11:53:42,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-11 11:53:42,835 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-11 11:53:42,835 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-11 11:53:42,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-11 11:53:42,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-11 11:53:42,941 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-11 11:53:42,941 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-11 11:53:47,187 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-11 11:53:47,221 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2022-11-11 11:53:47,266 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-11 11:53:47,266 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2022-11-11 11:53:47,325 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 40 [2022-11-11 11:53:47,374 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-11 11:53:47,374 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2022-11-11 11:53:47,416 INFO L134 CoverageAnalysis]: Checked inductivity of 15057 backedges. 0 proven. 491 refuted. 0 times theorem prover too weak. 14566 trivial. 0 not checked. [2022-11-11 11:53:47,416 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-11 11:53:47,606 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (* |c_t1Thread1of1ForFork0_push_#t~ret36#1| 4))) (let ((.cse2 (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| 2 .cse1))) (let ((.cse0 (store |c_#race| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#race| |c_t1Thread1of1ForFork0_push_~stack#1.base|) .cse2 |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)))) (and (forall ((v_ArrVal_3514 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_3514) |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| 1 .cse1)) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)) (forall ((v_ArrVal_3514 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_3514) |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| .cse1)) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)) (forall ((v_ArrVal_3514 (Array Int Int))) (= |c_t1Thread1of1ForFork0_push_#t~nondet37#1| (select (select (store .cse0 |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_3514) |c_t1Thread1of1ForFork0_push_~stack#1.base|) .cse2))))))) is different from false [2022-11-11 11:53:47,618 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (* |c_t1Thread1of1ForFork0_push_#t~ret36#1| 4))) (let ((.cse2 (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| 1 .cse1)) (.cse3 (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| 2 .cse1))) (let ((.cse0 (store |c_#race| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (store (select |c_#race| |c_t1Thread1of1ForFork0_push_~stack#1.base|) .cse2 |c_t1Thread1of1ForFork0_push_#t~nondet37#1|) .cse3 |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)))) (and (forall ((v_ArrVal_3514 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_3514) |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| .cse1)) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)) (forall ((v_ArrVal_3514 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_3514) |c_t1Thread1of1ForFork0_push_~stack#1.base|) .cse2) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)) (forall ((v_ArrVal_3514 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_3514) |c_t1Thread1of1ForFork0_push_~stack#1.base|) .cse3) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)))))) is different from false [2022-11-11 11:53:47,637 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-11 11:53:47,637 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 54 [2022-11-11 11:53:47,641 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-11 11:53:47,641 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 71 treesize of output 27 [2022-11-11 11:53:47,647 INFO L356 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2022-11-11 11:53:47,648 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 1 [2022-11-11 11:53:47,651 INFO L356 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2022-11-11 11:53:47,652 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 1 [2022-11-11 11:53:49,354 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-11 11:53:49,355 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-11-11 11:53:49,361 INFO L134 CoverageAnalysis]: Checked inductivity of 15057 backedges. 0 proven. 447 refuted. 0 times theorem prover too weak. 14566 trivial. 44 not checked. [2022-11-11 11:53:49,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1196165526] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-11 11:53:49,361 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-11 11:53:49,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 11, 11] total 64 [2022-11-11 11:53:49,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438611647] [2022-11-11 11:53:49,361 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-11 11:53:49,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2022-11-11 11:53:49,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-11 11:53:49,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2022-11-11 11:53:49,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=590, Invalid=3188, Unknown=12, NotChecked=242, Total=4032 [2022-11-11 11:53:49,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:53:49,366 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-11 11:53:49,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 27.78125) internal successors, (1778), 64 states have internal predecessors, (1778), 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) [2022-11-11 11:53:49,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:53:49,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:49,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:49,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-11 11:53:49,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:49,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:49,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-11 11:53:49,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:49,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:53:49,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-11 11:53:49,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 175 states. [2022-11-11 11:53:49,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2022-11-11 11:53:49,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2022-11-11 11:53:49,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-11-11 11:53:49,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:54:14,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:54:14,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:54:14,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:54:14,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-11 11:54:14,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:54:14,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:54:14,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-11 11:54:14,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:54:14,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:54:14,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-11 11:54:14,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2022-11-11 11:54:14,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2022-11-11 11:54:14,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2022-11-11 11:54:14,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-11-11 11:54:14,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 436 states. [2022-11-11 11:54:14,340 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-11 11:54:14,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-11 11:54:14,526 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting t1Err2ASSERT_VIOLATIONDATA_RACE === [t1Err0ASSERT_VIOLATIONDATA_RACE, t1Err1ASSERT_VIOLATIONDATA_RACE, t1Err2ASSERT_VIOLATIONDATA_RACE, t1Err3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-11 11:54:14,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-11 11:54:14,527 INFO L85 PathProgramCache]: Analyzing trace with hash -2059552473, now seen corresponding path program 1 times [2022-11-11 11:54:14,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-11 11:54:14,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952626298] [2022-11-11 11:54:14,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-11 11:54:14,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-11 11:54:14,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-11 11:54:18,631 INFO L134 CoverageAnalysis]: Checked inductivity of 16419 backedges. 2306 proven. 14069 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-11 11:54:18,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-11 11:54:18,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952626298] [2022-11-11 11:54:18,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952626298] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-11 11:54:18,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466834924] [2022-11-11 11:54:18,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-11 11:54:18,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-11 11:54:18,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-11 11:54:18,633 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-11 11:54:18,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-11 11:54:19,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-11 11:54:19,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 3188 conjuncts, 46 conjunts are in the unsatisfiable core [2022-11-11 11:54:19,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-11 11:54:20,396 INFO L134 CoverageAnalysis]: Checked inductivity of 16419 backedges. 2306 proven. 14069 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-11 11:54:20,396 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-11 11:54:23,142 INFO L134 CoverageAnalysis]: Checked inductivity of 16419 backedges. 2306 proven. 14069 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-11 11:54:23,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1466834924] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-11 11:54:23,142 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-11 11:54:23,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 94 [2022-11-11 11:54:23,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981759503] [2022-11-11 11:54:23,143 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-11 11:54:23,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2022-11-11 11:54:23,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-11 11:54:23,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2022-11-11 11:54:23,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2256, Invalid=6486, Unknown=0, NotChecked=0, Total=8742 [2022-11-11 11:54:23,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:54:23,149 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-11 11:54:23,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 30.819148936170212) internal successors, (2897), 94 states have internal predecessors, (2897), 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) [2022-11-11 11:54:23,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:54:23,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:54:23,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:54:23,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-11 11:54:23,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:54:23,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:54:23,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-11 11:54:23,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:54:23,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:54:23,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-11 11:54:23,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 175 states. [2022-11-11 11:54:23,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2022-11-11 11:54:23,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2022-11-11 11:54:23,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-11-11 11:54:23,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 436 states. [2022-11-11 11:54:23,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:54:39,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:54:39,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:54:39,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:54:39,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-11 11:54:39,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:54:39,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:54:39,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-11 11:54:39,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:54:39,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:54:39,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-11 11:54:39,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2022-11-11 11:54:39,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2022-11-11 11:54:39,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2022-11-11 11:54:39,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-11-11 11:54:39,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 436 states. [2022-11-11 11:54:39,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2022-11-11 11:54:39,533 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-11-11 11:54:39,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-11 11:54:39,719 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting t1Err2ASSERT_VIOLATIONDATA_RACE === [t1Err0ASSERT_VIOLATIONDATA_RACE, t1Err1ASSERT_VIOLATIONDATA_RACE, t1Err2ASSERT_VIOLATIONDATA_RACE, t1Err3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-11 11:54:39,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-11 11:54:39,720 INFO L85 PathProgramCache]: Analyzing trace with hash 253433353, now seen corresponding path program 2 times [2022-11-11 11:54:39,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-11 11:54:39,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317613797] [2022-11-11 11:54:39,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-11 11:54:39,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-11 11:54:39,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-11 11:55:01,103 INFO L134 CoverageAnalysis]: Checked inductivity of 64029 backedges. 4675 proven. 59310 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-11 11:55:01,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-11 11:55:01,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317613797] [2022-11-11 11:55:01,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317613797] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-11 11:55:01,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [497111448] [2022-11-11 11:55:01,104 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-11 11:55:01,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-11 11:55:01,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-11 11:55:01,105 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-11 11:55:01,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-11 11:55:01,542 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-11 11:55:01,542 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-11 11:55:01,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-11 11:55:01,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-11 11:55:01,666 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-11 11:55:01,666 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-11 11:55:11,249 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-11 11:55:11,303 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2022-11-11 11:55:11,370 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2022-11-11 11:55:11,425 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-11 11:55:11,425 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2022-11-11 11:55:11,484 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-11 11:55:11,485 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2022-11-11 11:55:11,555 INFO L134 CoverageAnalysis]: Checked inductivity of 64029 backedges. 0 proven. 1019 refuted. 0 times theorem prover too weak. 63010 trivial. 0 not checked. [2022-11-11 11:55:11,555 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-11 11:55:11,719 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (* |c_t1Thread1of1ForFork0_push_#t~ret36#1| 4))) (and (forall ((v_ArrVal_5641 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_5641) |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| 1 .cse0)) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)) (forall ((v_ArrVal_5641 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_5641) |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| .cse0)) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)))) is different from false [2022-11-11 11:55:11,727 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse2 (* |c_t1Thread1of1ForFork0_push_#t~ret36#1| 4))) (let ((.cse1 (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| 1 .cse2))) (let ((.cse0 (store |c_#race| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#race| |c_t1Thread1of1ForFork0_push_~stack#1.base|) .cse1 |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)))) (and (forall ((v_ArrVal_5641 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_5641) |c_t1Thread1of1ForFork0_push_~stack#1.base|) .cse1) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)) (forall ((v_ArrVal_5641 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_5641) |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| .cse2)) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)))))) is different from false [2022-11-11 11:55:11,735 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-11 11:55:11,736 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 40 [2022-11-11 11:55:11,741 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-11 11:55:11,742 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 26 [2022-11-11 11:55:11,749 INFO L356 Elim1Store]: treesize reduction 25, result has 3.8 percent of original size [2022-11-11 11:55:11,750 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 1 [2022-11-11 11:55:17,708 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-11 11:55:17,709 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-11-11 11:55:17,717 INFO L134 CoverageAnalysis]: Checked inductivity of 64029 backedges. 0 proven. 973 refuted. 0 times theorem prover too weak. 63010 trivial. 46 not checked. [2022-11-11 11:55:17,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [497111448] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-11 11:55:17,717 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-11 11:55:17,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [93, 11, 11] total 112 [2022-11-11 11:55:17,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113408905] [2022-11-11 11:55:17,718 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-11 11:55:17,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 112 states [2022-11-11 11:55:17,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-11 11:55:17,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2022-11-11 11:55:17,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2271, Invalid=9725, Unknown=2, NotChecked=434, Total=12432 [2022-11-11 11:55:17,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:55:17,726 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-11 11:55:17,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 112 states, 112 states have (on average 28.491071428571427) internal successors, (3191), 112 states have internal predecessors, (3191), 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) [2022-11-11 11:55:17,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-11 11:55:17,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:55:17,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:55:17,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-11 11:55:17,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:55:17,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:55:17,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-11 11:55:17,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:55:17,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-11 11:55:17,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-11 11:55:17,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 175 states. [2022-11-11 11:55:17,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2022-11-11 11:55:17,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2022-11-11 11:55:17,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-11-11 11:55:17,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 436 states. [2022-11-11 11:55:17,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2022-11-11 11:55:17,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.