/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.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/pthread-divine/ring_1w1r-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 12:44:29,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 12:44:29,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 12:44:29,482 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 12:44:29,482 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 12:44:29,483 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 12:44:29,488 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 12:44:29,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 12:44:29,493 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 12:44:29,496 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 12:44:29,497 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 12:44:29,498 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 12:44:29,498 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 12:44:29,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 12:44:29,500 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 12:44:29,501 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 12:44:29,502 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 12:44:29,502 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 12:44:29,505 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 12:44:29,509 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 12:44:29,510 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 12:44:29,511 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 12:44:29,512 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 12:44:29,513 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 12:44:29,517 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-16 12:44:29,518 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-16 12:44:29,518 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-16 12:44:29,519 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-16 12:44:29,519 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-16 12:44:29,519 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-16 12:44:29,520 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-16 12:44:29,520 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-16 12:44:29,522 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-16 12:44:29,522 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-16 12:44:29,523 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-16 12:44:29,523 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-16 12:44:29,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-16 12:44:29,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-16 12:44:29,523 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 12:44:29,524 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 12:44:29,524 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 12:44:29,525 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-09-16 12:44:29,554 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 12:44:29,554 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 12:44:29,554 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 12:44:29,554 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 12:44:29,555 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 12:44:29,555 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 12:44:29,556 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 12:44:29,556 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 12:44:29,556 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 12:44:29,556 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 12:44:29,557 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 12:44:29,557 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 12:44:29,557 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 12:44:29,557 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 12:44:29,557 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 12:44:29,557 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 12:44:29,557 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 12:44:29,557 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 12:44:29,557 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 12:44:29,557 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 12:44:29,558 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 12:44:29,558 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 12:44:29,558 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 12:44:29,559 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 12:44:29,559 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 12:44:29,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 12:44:29,559 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 12:44:29,559 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 12:44:29,559 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 12:44:29,559 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 12:44:29,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 12:44:29,560 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 12:44:29,560 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-09-16 12:44:29,560 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 12:44:29,560 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-09-16 12:44:29,560 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-09-16 12:44:29,560 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 12:44:29,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 12:44:29,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 12:44:29,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 12:44:29,782 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 12:44:29,783 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 12:44:29,784 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-divine/ring_1w1r-1.i [2022-09-16 12:44:29,828 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/360253ec6/7de1930919424393b8c0e69beaa4b367/FLAG5c65bd2b4 [2022-09-16 12:44:30,281 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 12:44:30,281 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_1w1r-1.i [2022-09-16 12:44:30,299 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/360253ec6/7de1930919424393b8c0e69beaa4b367/FLAG5c65bd2b4 [2022-09-16 12:44:30,313 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/360253ec6/7de1930919424393b8c0e69beaa4b367 [2022-09-16 12:44:30,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 12:44:30,317 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 12:44:30,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 12:44:30,319 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 12:44:30,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 12:44:30,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 12:44:30" (1/1) ... [2022-09-16 12:44:30,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@253894ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:44:30, skipping insertion in model container [2022-09-16 12:44:30,323 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 12:44:30" (1/1) ... [2022-09-16 12:44:30,328 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 12:44:30,390 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 12:44:30,546 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-09-16 12:44:30,710 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-divine/ring_1w1r-1.i[39095,39108] [2022-09-16 12:44:30,713 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-divine/ring_1w1r-1.i[39180,39193] [2022-09-16 12:44:30,713 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-divine/ring_1w1r-1.i[39232,39245] [2022-09-16 12:44:30,718 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-divine/ring_1w1r-1.i[39641,39654] [2022-09-16 12:44:30,719 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-divine/ring_1w1r-1.i[39726,39739] [2022-09-16 12:44:30,719 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-divine/ring_1w1r-1.i[39778,39791] [2022-09-16 12:44:30,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 12:44:30,730 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 12:44:30,741 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-09-16 12:44:30,765 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-divine/ring_1w1r-1.i[39095,39108] [2022-09-16 12:44:30,765 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-divine/ring_1w1r-1.i[39180,39193] [2022-09-16 12:44:30,766 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-divine/ring_1w1r-1.i[39232,39245] [2022-09-16 12:44:30,772 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-divine/ring_1w1r-1.i[39641,39654] [2022-09-16 12:44:30,772 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-divine/ring_1w1r-1.i[39726,39739] [2022-09-16 12:44:30,772 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-divine/ring_1w1r-1.i[39778,39791] [2022-09-16 12:44:30,774 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 12:44:30,797 INFO L208 MainTranslator]: Completed translation [2022-09-16 12:44:30,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:44:30 WrapperNode [2022-09-16 12:44:30,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 12:44:30,799 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 12:44:30,799 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 12:44:30,799 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 12:44:30,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:44:30" (1/1) ... [2022-09-16 12:44:30,813 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:44:30" (1/1) ... [2022-09-16 12:44:30,828 INFO L138 Inliner]: procedures = 225, calls = 43, calls flagged for inlining = 10, calls inlined = 7, statements flattened = 127 [2022-09-16 12:44:30,828 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 12:44:30,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 12:44:30,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 12:44:30,829 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 12:44:30,834 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:44:30" (1/1) ... [2022-09-16 12:44:30,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:44:30" (1/1) ... [2022-09-16 12:44:30,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:44:30" (1/1) ... [2022-09-16 12:44:30,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:44:30" (1/1) ... [2022-09-16 12:44:30,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:44:30" (1/1) ... [2022-09-16 12:44:30,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:44:30" (1/1) ... [2022-09-16 12:44:30,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:44:30" (1/1) ... [2022-09-16 12:44:30,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 12:44:30,849 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 12:44:30,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 12:44:30,849 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 12:44:30,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:44:30" (1/1) ... [2022-09-16 12:44:30,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 12:44:30,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:44:30,875 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) [2022-09-16 12:44:30,879 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 [2022-09-16 12:44:30,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 12:44:30,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 12:44:30,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-09-16 12:44:30,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 12:44:30,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 12:44:30,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 12:44:30,898 INFO L130 BoogieDeclarations]: Found specification of procedure reader_nowait_fn [2022-09-16 12:44:30,898 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_nowait_fn [2022-09-16 12:44:30,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 12:44:30,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 12:44:30,899 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-16 12:44:31,029 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 12:44:31,030 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 12:44:31,283 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 12:44:31,289 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 12:44:31,289 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-09-16 12:44:31,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 12:44:31 BoogieIcfgContainer [2022-09-16 12:44:31,290 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 12:44:31,292 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 12:44:31,292 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 12:44:31,294 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 12:44:31,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 12:44:30" (1/3) ... [2022-09-16 12:44:31,295 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@731f6e53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 12:44:31, skipping insertion in model container [2022-09-16 12:44:31,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:44:30" (2/3) ... [2022-09-16 12:44:31,295 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@731f6e53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 12:44:31, skipping insertion in model container [2022-09-16 12:44:31,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 12:44:31" (3/3) ... [2022-09-16 12:44:31,296 INFO L112 eAbstractionObserver]: Analyzing ICFG ring_1w1r-1.i [2022-09-16 12:44:31,301 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 12:44:31,306 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 12:44:31,306 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2022-09-16 12:44:31,306 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 12:44:31,375 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-09-16 12:44:31,403 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 12:44:31,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-16 12:44:31,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:44:31,404 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) [2022-09-16 12:44:31,405 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 [2022-09-16 12:44:31,428 INFO L156 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-16 12:44:31,436 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == reader_nowait_fnThread1of1ForFork0 ======== [2022-09-16 12:44:31,440 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;@493d89cb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 12:44:31,440 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-09-16 12:44:31,515 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting reader_nowait_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [reader_nowait_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, reader_nowait_fnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, reader_nowait_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-09-16 12:44:31,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:44:31,519 INFO L85 PathProgramCache]: Analyzing trace with hash -660964209, now seen corresponding path program 1 times [2022-09-16 12:44:31,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:44:31,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512904440] [2022-09-16 12:44:31,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:44:31,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:44:31,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:44:31,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:44:31,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:44:31,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512904440] [2022-09-16 12:44:31,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512904440] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 12:44:31,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 12:44:31,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-09-16 12:44:31,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501069648] [2022-09-16 12:44:31,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 12:44:31,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-09-16 12:44:31,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:44:31,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-09-16 12:44:31,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2022-09-16 12:44:31,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:31,938 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:44:31,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 16 states have internal predecessors, (50), 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) [2022-09-16 12:44:31,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:32,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:44:32,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 12:44:32,372 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting reader_nowait_fnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [reader_nowait_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, reader_nowait_fnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, reader_nowait_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-09-16 12:44:32,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:44:32,373 INFO L85 PathProgramCache]: Analyzing trace with hash 984946444, now seen corresponding path program 1 times [2022-09-16 12:44:32,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:44:32,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008043361] [2022-09-16 12:44:32,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:44:32,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:44:32,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:44:32,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:44:32,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:44:32,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008043361] [2022-09-16 12:44:32,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008043361] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 12:44:32,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 12:44:32,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-09-16 12:44:32,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166127016] [2022-09-16 12:44:32,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 12:44:32,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-09-16 12:44:32,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:44:32,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-09-16 12:44:32,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2022-09-16 12:44:32,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:32,564 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:44:32,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 3.4) internal successors, (51), 16 states have internal predecessors, (51), 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) [2022-09-16 12:44:32,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:44:32,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:33,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 12:44:33,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 12:44:33,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 12:44:33,102 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting reader_nowait_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [reader_nowait_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, reader_nowait_fnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, reader_nowait_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-09-16 12:44:33,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:44:33,103 INFO L85 PathProgramCache]: Analyzing trace with hash -551530824, now seen corresponding path program 1 times [2022-09-16 12:44:33,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:44:33,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508949891] [2022-09-16 12:44:33,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:44:33,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:44:33,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:44:33,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:44:33,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:44:33,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508949891] [2022-09-16 12:44:33,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508949891] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 12:44:33,140 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 12:44:33,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 12:44:33,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926433901] [2022-09-16 12:44:33,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 12:44:33,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 12:44:33,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:44:33,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 12:44:33,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 12:44:33,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:33,142 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:44:33,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 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) [2022-09-16 12:44:33,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-09-16 12:44:33,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-09-16 12:44:33,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:33,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 12:44:33,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 12:44:33,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:33,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 12:44:33,159 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting reader_nowait_fnErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [reader_nowait_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, reader_nowait_fnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, reader_nowait_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-09-16 12:44:33,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:44:33,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1522350596, now seen corresponding path program 1 times [2022-09-16 12:44:33,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:44:33,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421343838] [2022-09-16 12:44:33,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:44:33,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:44:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:44:33,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:44:33,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:44:33,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421343838] [2022-09-16 12:44:33,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421343838] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 12:44:33,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 12:44:33,206 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 12:44:33,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737223220] [2022-09-16 12:44:33,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 12:44:33,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 12:44:33,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:44:33,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 12:44:33,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 12:44:33,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:33,207 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:44:33,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 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) [2022-09-16 12:44:33,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-09-16 12:44:33,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-09-16 12:44:33,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:33,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:33,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:44:33,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:44:33,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:33,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:33,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 12:44:33,304 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting reader_nowait_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [reader_nowait_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, reader_nowait_fnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, reader_nowait_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-09-16 12:44:33,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:44:33,304 INFO L85 PathProgramCache]: Analyzing trace with hash 299715853, now seen corresponding path program 1 times [2022-09-16 12:44:33,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:44:33,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778716732] [2022-09-16 12:44:33,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:44:33,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:44:33,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:44:33,402 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:44:33,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:44:33,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778716732] [2022-09-16 12:44:33,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778716732] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-16 12:44:33,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2025341069] [2022-09-16 12:44:33,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:44:33,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:44:33,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:44:33,408 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) [2022-09-16 12:44:33,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-09-16 12:44:33,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:44:33,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 21 conjunts are in the unsatisfiable core [2022-09-16 12:44:33,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-16 12:44:33,645 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 11 treesize of output 7 [2022-09-16 12:44:33,749 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 15 treesize of output 7 [2022-09-16 12:44:33,752 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:44:33,752 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-16 12:44:33,837 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 24 [2022-09-16 12:44:33,910 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:44:33,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2025341069] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-16 12:44:33,910 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-16 12:44:33,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 12 [2022-09-16 12:44:33,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232827371] [2022-09-16 12:44:33,910 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-16 12:44:33,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-09-16 12:44:33,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:44:33,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-09-16 12:44:33,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-09-16 12:44:33,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:33,912 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:44:33,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.416666666666666) internal successors, (113), 13 states have internal predecessors, (113), 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) [2022-09-16 12:44:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:44:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:44:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:34,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:44:34,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:44:34,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:34,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:34,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:44:34,123 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-09-16 12:44:34,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:44:34,304 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting reader_nowait_fnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [reader_nowait_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, reader_nowait_fnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, reader_nowait_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-09-16 12:44:34,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:44:34,305 INFO L85 PathProgramCache]: Analyzing trace with hash 701257294, now seen corresponding path program 1 times [2022-09-16 12:44:34,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:44:34,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144525379] [2022-09-16 12:44:34,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:44:34,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:44:34,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:44:34,409 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:44:34,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:44:34,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144525379] [2022-09-16 12:44:34,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144525379] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-16 12:44:34,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840606946] [2022-09-16 12:44:34,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:44:34,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:44:34,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:44:34,412 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) [2022-09-16 12:44:34,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-09-16 12:44:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:44:34,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 21 conjunts are in the unsatisfiable core [2022-09-16 12:44:34,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-16 12:44:34,526 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 11 treesize of output 7 [2022-09-16 12:44:34,611 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 17 treesize of output 9 [2022-09-16 12:44:34,621 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:44:34,621 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-16 12:44:34,713 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 32 treesize of output 28 [2022-09-16 12:44:34,759 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:44:34,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [840606946] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-16 12:44:34,759 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-16 12:44:34,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 16 [2022-09-16 12:44:34,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001895304] [2022-09-16 12:44:34,759 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-16 12:44:34,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 12:44:34,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:44:34,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 12:44:34,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2022-09-16 12:44:34,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:34,761 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:44:34,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 9.0) internal successors, (144), 17 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) [2022-09-16 12:44:34,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:44:34,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:44:34,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:34,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:34,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:44:34,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:34,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:44:34,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:44:34,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:34,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:34,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:44:34,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:44:35,013 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-09-16 12:44:35,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:44:35,181 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting reader_nowait_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [reader_nowait_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, reader_nowait_fnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, reader_nowait_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-09-16 12:44:35,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:44:35,182 INFO L85 PathProgramCache]: Analyzing trace with hash 128915894, now seen corresponding path program 1 times [2022-09-16 12:44:35,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:44:35,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729299620] [2022-09-16 12:44:35,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:44:35,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:44:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:44:35,283 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:44:35,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:44:35,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729299620] [2022-09-16 12:44:35,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729299620] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-16 12:44:35,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590050703] [2022-09-16 12:44:35,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:44:35,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:44:35,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:44:35,296 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) [2022-09-16 12:44:35,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-09-16 12:44:35,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:44:35,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-16 12:44:35,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-16 12:44:35,438 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:44:35,438 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-16 12:44:35,508 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:44:35,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [590050703] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-16 12:44:35,509 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-16 12:44:35,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 10 [2022-09-16 12:44:35,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023785104] [2022-09-16 12:44:35,512 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-16 12:44:35,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-09-16 12:44:35,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:44:35,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-09-16 12:44:35,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-09-16 12:44:35,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:35,513 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:44:35,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 17.4) internal successors, (174), 11 states have internal predecessors, (174), 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) [2022-09-16 12:44:35,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:44:35,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:44:35,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:35,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:35,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:44:35,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:44:35,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:35,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:44:35,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:44:35,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:35,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:35,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:44:35,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:44:35,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-09-16 12:44:35,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-09-16 12:44:35,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:44:35,777 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting reader_nowait_fnErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [reader_nowait_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, reader_nowait_fnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, reader_nowait_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-09-16 12:44:35,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:44:35,777 INFO L85 PathProgramCache]: Analyzing trace with hash -298574121, now seen corresponding path program 1 times [2022-09-16 12:44:35,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:44:35,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238063256] [2022-09-16 12:44:35,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:44:35,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:44:35,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:44:35,817 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:44:35,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:44:35,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238063256] [2022-09-16 12:44:35,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238063256] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-16 12:44:35,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791558875] [2022-09-16 12:44:35,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:44:35,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:44:35,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:44:35,819 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) [2022-09-16 12:44:35,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-09-16 12:44:35,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:44:35,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-16 12:44:35,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-16 12:44:35,954 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:44:35,955 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-09-16 12:44:35,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [791558875] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 12:44:35,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-09-16 12:44:35,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2022-09-16 12:44:35,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830398575] [2022-09-16 12:44:35,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 12:44:35,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 12:44:35,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:44:35,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 12:44:35,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-09-16 12:44:35,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:35,956 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:44:35,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 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) [2022-09-16 12:44:35,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:44:35,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:44:35,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:35,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:35,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:44:35,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:44:35,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-09-16 12:44:35,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:36,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:44:36,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:44:36,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:36,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:36,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:44:36,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:44:36,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:44:36,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-09-16 12:44:36,045 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-09-16 12:44:36,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:44:36,245 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting reader_nowait_fnErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [reader_nowait_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, reader_nowait_fnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, reader_nowait_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-09-16 12:44:36,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:44:36,246 INFO L85 PathProgramCache]: Analyzing trace with hash 56091130, now seen corresponding path program 1 times [2022-09-16 12:44:36,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:44:36,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306241808] [2022-09-16 12:44:36,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:44:36,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:44:36,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:44:36,283 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-09-16 12:44:36,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:44:36,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306241808] [2022-09-16 12:44:36,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306241808] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 12:44:36,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 12:44:36,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 12:44:36,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224133947] [2022-09-16 12:44:36,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 12:44:36,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 12:44:36,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:44:36,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 12:44:36,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 12:44:36,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:36,285 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:44:36,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 47.5) internal successors, (95), 3 states have internal predecessors, (95), 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) [2022-09-16 12:44:36,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:44:36,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:44:36,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:36,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:36,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:44:36,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:44:36,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:44:36,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-09-16 12:44:36,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:36,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:44:36,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:44:36,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:36,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:36,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:44:36,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:44:36,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:44:36,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-09-16 12:44:36,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:36,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-09-16 12:44:36,307 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting reader_nowait_fnErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [reader_nowait_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, reader_nowait_fnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, reader_nowait_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-09-16 12:44:36,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:44:36,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1738825499, now seen corresponding path program 1 times [2022-09-16 12:44:36,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:44:36,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674006950] [2022-09-16 12:44:36,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:44:36,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:44:36,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:44:36,364 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:44:36,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:44:36,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674006950] [2022-09-16 12:44:36,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674006950] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-16 12:44:36,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1539745268] [2022-09-16 12:44:36,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:44:36,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:44:36,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:44:36,366 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) [2022-09-16 12:44:36,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-09-16 12:44:36,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:44:36,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 3 conjunts are in the unsatisfiable core [2022-09-16 12:44:36,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-16 12:44:36,488 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:44:36,488 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-09-16 12:44:36,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1539745268] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 12:44:36,489 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-09-16 12:44:36,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-09-16 12:44:36,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474283960] [2022-09-16 12:44:36,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 12:44:36,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 12:44:36,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:44:36,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 12:44:36,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-09-16 12:44:36,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:36,490 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:44:36,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 32.0) internal successors, (96), 4 states have internal predecessors, (96), 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) [2022-09-16 12:44:36,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:44:36,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:44:36,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:36,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:36,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:44:36,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:44:36,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:44:36,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-09-16 12:44:36,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:36,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:36,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:44:36,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:44:36,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:36,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:36,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:44:36,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:44:36,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:44:36,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-09-16 12:44:36,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:36,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:44:36,552 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-09-16 12:44:36,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:44:36,752 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting reader_nowait_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [reader_nowait_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, reader_nowait_fnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, reader_nowait_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-09-16 12:44:36,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:44:36,752 INFO L85 PathProgramCache]: Analyzing trace with hash -361434762, now seen corresponding path program 2 times [2022-09-16 12:44:36,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:44:36,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094662660] [2022-09-16 12:44:36,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:44:36,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:44:36,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:44:36,912 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:44:36,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:44:36,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094662660] [2022-09-16 12:44:36,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094662660] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-16 12:44:36,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [756534558] [2022-09-16 12:44:36,912 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-09-16 12:44:36,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:44:36,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:44:36,928 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) [2022-09-16 12:44:36,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-09-16 12:44:37,012 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-09-16 12:44:37,013 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-09-16 12:44:37,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 8 conjunts are in the unsatisfiable core [2022-09-16 12:44:37,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-16 12:44:37,130 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:44:37,131 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-16 12:44:37,296 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:44:37,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [756534558] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-16 12:44:37,297 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-16 12:44:37,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8, 8] total 22 [2022-09-16 12:44:37,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119319533] [2022-09-16 12:44:37,297 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-16 12:44:37,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 12:44:37,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:44:37,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 12:44:37,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=385, Unknown=0, NotChecked=0, Total=506 [2022-09-16 12:44:37,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:37,298 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:44:37,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 14.272727272727273) internal successors, (314), 23 states have internal predecessors, (314), 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) [2022-09-16 12:44:37,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:44:37,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:44:37,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:37,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:37,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:44:37,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:44:37,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:44:37,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-09-16 12:44:37,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:37,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:44:37,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:37,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:44:37,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:44:37,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:37,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:37,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:44:37,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:44:37,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:44:37,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-09-16 12:44:37,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:37,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:44:37,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-09-16 12:44:37,602 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-09-16 12:44:37,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:44:37,782 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting reader_nowait_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [reader_nowait_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, reader_nowait_fnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, reader_nowait_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-09-16 12:44:37,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:44:37,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1277464330, now seen corresponding path program 3 times [2022-09-16 12:44:37,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:44:37,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700690198] [2022-09-16 12:44:37,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:44:37,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:44:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:44:38,244 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:44:38,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:44:38,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700690198] [2022-09-16 12:44:38,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700690198] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-16 12:44:38,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [615989811] [2022-09-16 12:44:38,245 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-09-16 12:44:38,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:44:38,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:44:38,260 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) [2022-09-16 12:44:38,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-09-16 12:44:38,770 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-09-16 12:44:38,770 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-09-16 12:44:38,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 16 conjunts are in the unsatisfiable core [2022-09-16 12:44:38,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-16 12:44:38,974 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:44:38,974 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-16 12:44:39,414 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:44:39,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [615989811] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-16 12:44:39,415 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-16 12:44:39,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 16, 16] total 46 [2022-09-16 12:44:39,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686366730] [2022-09-16 12:44:39,415 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-16 12:44:39,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2022-09-16 12:44:39,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:44:39,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2022-09-16 12:44:39,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=455, Invalid=1707, Unknown=0, NotChecked=0, Total=2162 [2022-09-16 12:44:39,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:39,418 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:44:39,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 46 states have (on average 12.91304347826087) internal successors, (594), 47 states have internal predecessors, (594), 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) [2022-09-16 12:44:39,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:44:39,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:44:39,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:39,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:39,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:44:39,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:44:39,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:44:39,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-09-16 12:44:39,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:39,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:44:39,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-09-16 12:44:39,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:40,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:44:40,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:44:40,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:40,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:40,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:44:40,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:44:40,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:44:40,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-09-16 12:44:40,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:40,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:44:40,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-09-16 12:44:40,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-09-16 12:44:40,390 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-09-16 12:44:40,579 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,SelfDestructingSolverStorable11 [2022-09-16 12:44:40,579 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting reader_nowait_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [reader_nowait_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, reader_nowait_fnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, reader_nowait_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-09-16 12:44:40,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:44:40,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1050914806, now seen corresponding path program 4 times [2022-09-16 12:44:40,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:44:40,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996925115] [2022-09-16 12:44:40,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:44:40,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:44:40,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:44:41,812 INFO L134 CoverageAnalysis]: Checked inductivity of 3600 backedges. 0 proven. 3600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:44:41,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:44:41,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996925115] [2022-09-16 12:44:41,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996925115] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-16 12:44:41,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1309149258] [2022-09-16 12:44:41,813 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-09-16 12:44:41,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:44:41,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:44:41,814 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) [2022-09-16 12:44:41,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-09-16 12:44:41,991 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-09-16 12:44:41,991 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-09-16 12:44:41,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 778 conjuncts, 10 conjunts are in the unsatisfiable core [2022-09-16 12:44:42,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-16 12:44:42,452 INFO L134 CoverageAnalysis]: Checked inductivity of 3600 backedges. 2795 proven. 0 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2022-09-16 12:44:42,452 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-09-16 12:44:42,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1309149258] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 12:44:42,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-09-16 12:44:42,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [62] total 72 [2022-09-16 12:44:42,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797599274] [2022-09-16 12:44:42,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 12:44:42,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-09-16 12:44:42,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:44:42,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-09-16 12:44:42,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=971, Invalid=4141, Unknown=0, NotChecked=0, Total=5112 [2022-09-16 12:44:42,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:42,455 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:44:42,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 28.90909090909091) internal successors, (318), 11 states have internal predecessors, (318), 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) [2022-09-16 12:44:42,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:44:42,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:44:42,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:42,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:42,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:44:42,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:44:42,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:44:42,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-09-16 12:44:42,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:42,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:44:42,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-09-16 12:44:42,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-09-16 12:44:42,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:42,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:44:42,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:44:42,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:42,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:42,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:44:42,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:44:42,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:44:42,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-09-16 12:44:42,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:42,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:44:42,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-09-16 12:44:42,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-09-16 12:44:42,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:44:42,914 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-09-16 12:44:43,114 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,SelfDestructingSolverStorable12 [2022-09-16 12:44:43,114 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting reader_nowait_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [reader_nowait_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, reader_nowait_fnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, reader_nowait_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-09-16 12:44:43,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:44:43,115 INFO L85 PathProgramCache]: Analyzing trace with hash -263362261, now seen corresponding path program 1 times [2022-09-16 12:44:43,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:44:43,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49745140] [2022-09-16 12:44:43,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:44:43,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:44:43,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:44:43,427 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 189 proven. 70 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2022-09-16 12:44:43,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:44:43,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49745140] [2022-09-16 12:44:43,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49745140] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-16 12:44:43,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [229855537] [2022-09-16 12:44:43,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:44:43,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:44:43,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:44:43,444 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) [2022-09-16 12:44:43,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-09-16 12:44:43,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:44:43,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 50 conjunts are in the unsatisfiable core [2022-09-16 12:44:43,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-16 12:44:43,859 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 11 treesize of output 7 [2022-09-16 12:44:44,748 INFO L356 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2022-09-16 12:44:44,748 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 1 case distinctions, treesize of input 60 treesize of output 52 [2022-09-16 12:44:44,820 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-16 12:44:44,820 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 27 treesize of output 23 [2022-09-16 12:44:44,841 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 204 proven. 70 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2022-09-16 12:44:44,842 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-16 12:45:07,561 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 24 [2022-09-16 12:45:07,646 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 249 proven. 10 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2022-09-16 12:45:07,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [229855537] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-16 12:45:07,647 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-16 12:45:07,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19, 11] total 42 [2022-09-16 12:45:07,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773161916] [2022-09-16 12:45:07,647 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-16 12:45:07,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-09-16 12:45:07,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:45:07,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-09-16 12:45:07,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=1634, Unknown=8, NotChecked=0, Total=1806 [2022-09-16 12:45:07,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:07,649 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:45:07,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 7.142857142857143) internal successors, (300), 43 states have internal predecessors, (300), 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) [2022-09-16 12:45:07,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:45:07,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:45:07,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:07,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:07,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:45:07,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:45:07,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:45:07,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-09-16 12:45:07,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:07,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:45:07,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-09-16 12:45:07,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-09-16 12:45:07,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:45:07,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:09,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:45:09,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:45:09,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:09,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:09,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:45:09,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:45:09,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:45:09,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-09-16 12:45:09,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:09,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:45:09,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-09-16 12:45:09,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-09-16 12:45:09,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:45:09,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-09-16 12:45:09,662 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-09-16 12:45:09,860 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,SelfDestructingSolverStorable13 [2022-09-16 12:45:09,860 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting reader_nowait_fnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [reader_nowait_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, reader_nowait_fnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, reader_nowait_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-09-16 12:45:09,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:45:09,861 INFO L85 PathProgramCache]: Analyzing trace with hash 425704944, now seen corresponding path program 1 times [2022-09-16 12:45:09,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:45:09,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537742171] [2022-09-16 12:45:09,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:45:09,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:45:09,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:45:10,205 INFO L134 CoverageAnalysis]: Checked inductivity of 749 backedges. 189 proven. 77 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2022-09-16 12:45:10,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:45:10,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537742171] [2022-09-16 12:45:10,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537742171] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-16 12:45:10,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [859696780] [2022-09-16 12:45:10,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:45:10,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:45:10,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:45:10,207 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) [2022-09-16 12:45:10,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-09-16 12:45:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:45:10,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 49 conjunts are in the unsatisfiable core [2022-09-16 12:45:10,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-16 12:45:10,607 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 11 treesize of output 7 [2022-09-16 12:45:10,981 INFO L356 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2022-09-16 12:45:10,982 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 1 case distinctions, treesize of input 26 treesize of output 34 [2022-09-16 12:45:11,022 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-16 12:45:11,022 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 29 treesize of output 25 [2022-09-16 12:45:11,043 INFO L134 CoverageAnalysis]: Checked inductivity of 749 backedges. 204 proven. 77 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2022-09-16 12:45:11,044 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-16 12:45:30,147 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 32 treesize of output 28 [2022-09-16 12:45:30,224 INFO L134 CoverageAnalysis]: Checked inductivity of 749 backedges. 255 proven. 11 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2022-09-16 12:45:30,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [859696780] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-16 12:45:30,224 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-16 12:45:30,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19, 11] total 43 [2022-09-16 12:45:30,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428533358] [2022-09-16 12:45:30,225 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-16 12:45:30,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-09-16 12:45:30,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:45:30,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-09-16 12:45:30,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=1714, Unknown=10, NotChecked=0, Total=1892 [2022-09-16 12:45:30,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:30,226 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:45:30,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 43 states have (on average 7.069767441860465) internal successors, (304), 44 states have internal predecessors, (304), 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) [2022-09-16 12:45:30,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:45:30,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:45:30,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:30,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:30,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:45:30,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:45:30,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:45:30,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-09-16 12:45:30,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:30,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:45:30,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-09-16 12:45:30,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-09-16 12:45:30,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:45:30,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-09-16 12:45:30,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:31,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:45:31,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:45:31,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:31,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:31,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:45:31,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:45:31,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:45:31,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-09-16 12:45:31,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:31,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:45:31,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-09-16 12:45:31,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-09-16 12:45:31,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:45:31,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-09-16 12:45:31,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-09-16 12:45:31,744 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-09-16 12:45:31,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-09-16 12:45:31,943 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting reader_nowait_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [reader_nowait_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, reader_nowait_fnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, reader_nowait_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-09-16 12:45:31,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:45:31,943 INFO L85 PathProgramCache]: Analyzing trace with hash -857659408, now seen corresponding path program 1 times [2022-09-16 12:45:31,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:45:31,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435337230] [2022-09-16 12:45:31,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:45:31,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:45:31,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:45:32,438 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 72 proven. 187 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2022-09-16 12:45:32,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:45:32,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435337230] [2022-09-16 12:45:32,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435337230] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-16 12:45:32,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1777871162] [2022-09-16 12:45:32,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:45:32,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:45:32,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:45:32,440 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-09-16 12:45:32,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-09-16 12:45:32,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:45:32,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 153 conjunts are in the unsatisfiable core [2022-09-16 12:45:32,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-16 12:45:32,593 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-09-16 12:45:32,612 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-09-16 12:45:32,613 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 [2022-09-16 12:45:32,696 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 13 treesize of output 9 [2022-09-16 12:45:32,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-16 12:45:32,729 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-09-16 12:45:32,776 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 23 treesize of output 23 [2022-09-16 12:45:33,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-16 12:45:33,169 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 26 [2022-09-16 12:45:33,460 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 26 [2022-09-16 12:45:33,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-16 12:45:33,715 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 26 [2022-09-16 12:45:33,940 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 26 [2022-09-16 12:45:34,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-16 12:45:34,231 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 26 [2022-09-16 12:45:34,530 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 26 [2022-09-16 12:45:34,858 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 26 [2022-09-16 12:45:35,419 INFO L173 IndexEqualityManager]: detected equality via solver [2022-09-16 12:45:35,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-16 12:45:35,428 INFO L356 Elim1Store]: treesize reduction 42, result has 35.4 percent of original size [2022-09-16 12:45:35,429 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 44 [2022-09-16 12:45:35,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-16 12:45:35,470 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 21 treesize of output 20 [2022-09-16 12:45:35,488 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 15 treesize of output 7 [2022-09-16 12:45:35,491 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2022-09-16 12:45:35,491 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-16 12:48:32,840 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_555 Int) (v_ArrVal_553 Int) (|v_ULTIMATE.start_ring_enqueue_#t~mem6#1_10| Int) (v_ArrVal_540 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#reader~0#1.base| v_ArrVal_540) |c_ULTIMATE.start_main_~#r~3#1.base|))) (or (not (<= (select .cse0 (+ |c_ULTIMATE.start_main_~#r~3#1.offset| 20)) |v_ULTIMATE.start_ring_enqueue_#t~mem6#1_10|)) (< 3 v_ArrVal_553) (< (select (store (store .cse0 |c_ULTIMATE.start_main_~#r~3#1.offset| v_ArrVal_553) (+ |c_ULTIMATE.start_main_~#r~3#1.offset| (* |v_ULTIMATE.start_ring_enqueue_#t~mem6#1_10| 4) 4) v_ArrVal_555) |c_ULTIMATE.start_main_~#r~3#1.offset|) 2147483647)))) is different from false [2022-09-16 12:48:32,900 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_555 Int) (v_ArrVal_553 Int) (|v_ULTIMATE.start_ring_enqueue_#t~mem6#1_10| Int) (v_ArrVal_539 Int) (v_ArrVal_540 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_ring_init_~r#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_ring_init_~r#1.base|) |c_ULTIMATE.start_ring_init_~r#1.offset| v_ArrVal_539)) |c_ULTIMATE.start_main_~#reader~0#1.base| v_ArrVal_540) |c_ULTIMATE.start_main_~#r~3#1.base|))) (or (not (<= 0 v_ArrVal_539)) (< 3 v_ArrVal_553) (< (select (store (store .cse0 |c_ULTIMATE.start_main_~#r~3#1.offset| v_ArrVal_553) (+ |c_ULTIMATE.start_main_~#r~3#1.offset| (* |v_ULTIMATE.start_ring_enqueue_#t~mem6#1_10| 4) 4) v_ArrVal_555) |c_ULTIMATE.start_main_~#r~3#1.offset|) 2147483647) (not (<= (select .cse0 (+ |c_ULTIMATE.start_main_~#r~3#1.offset| 20)) |v_ULTIMATE.start_ring_enqueue_#t~mem6#1_10|))))) is different from false [2022-09-16 12:48:32,912 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-16 12:48:32,912 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 61 treesize of output 53 [2022-09-16 12:48:32,920 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-16 12:48:32,921 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 90 treesize of output 90 [2022-09-16 12:48:32,926 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 55 treesize of output 51 [2022-09-16 12:48:32,940 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-16 12:48:32,940 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 15 treesize of output 9 [2022-09-16 12:48:32,958 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-16 12:48:32,959 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 61 treesize of output 69 [2022-09-16 12:48:33,245 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 0 proven. 70 refuted. 189 times theorem prover too weak. 483 trivial. 0 not checked. [2022-09-16 12:48:33,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1777871162] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-16 12:48:33,245 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-16 12:48:33,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 26, 29] total 74 [2022-09-16 12:48:33,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822048697] [2022-09-16 12:48:33,246 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-16 12:48:33,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2022-09-16 12:48:33,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:48:33,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2022-09-16 12:48:33,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=339, Invalid=4886, Unknown=39, NotChecked=286, Total=5550 [2022-09-16 12:48:33,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:48:33,248 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:48:33,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 74 states have (on average 5.027027027027027) internal successors, (372), 75 states have internal predecessors, (372), 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) [2022-09-16 12:48:33,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:48:33,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:48:33,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:48:33,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:48:33,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:48:33,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:48:33,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:48:33,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-09-16 12:48:33,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:48:33,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:48:33,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-09-16 12:48:33,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-09-16 12:48:33,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:48:33,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-09-16 12:48:33,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-09-16 12:48:33,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:48:34,635 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~#r~3#1.base|))) (and (forall ((v_ArrVal_555 Int) (|v_ULTIMATE.start_ring_enqueue_#t~mem6#1_10| Int) (v_ArrVal_557 Int)) (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~#r~3#1.base|)) (.cse1 (+ |c_ULTIMATE.start_main_~#r~3#1.offset| 20))) (or (not (<= (select .cse0 .cse1) |v_ULTIMATE.start_ring_enqueue_#t~mem6#1_10|)) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#r~3#1.base| (store (store .cse0 (+ |c_ULTIMATE.start_main_~#r~3#1.offset| (* |v_ULTIMATE.start_ring_enqueue_#t~mem6#1_10| 4) 4) v_ArrVal_555) .cse1 v_ArrVal_557)) |c_reader_nowait_fnThread1of1ForFork0_~r~2#1.base|) |c_reader_nowait_fnThread1of1ForFork0_~r~2#1.offset|) 2147483647)))) (= |c_reader_nowait_fnThread1of1ForFork0_~r~2#1.base| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base|) (<= 0 (select .cse2 (+ |c_ULTIMATE.start_main_~#r~3#1.offset| 20))) (= |c_reader_nowait_fnThread1of1ForFork0_#in~arg#1.base| |c_ULTIMATE.start_main_~#r~3#1.base|) (forall ((v_ArrVal_555 Int) (|v_ULTIMATE.start_ring_enqueue_#t~mem6#1_10| Int) (v_ArrVal_557 Int)) (let ((.cse3 (select |c_#memory_int| |c_ULTIMATE.start_main_~#r~3#1.base|)) (.cse4 (+ |c_ULTIMATE.start_main_~#r~3#1.offset| 20))) (or (not (<= (select .cse3 .cse4) |v_ULTIMATE.start_ring_enqueue_#t~mem6#1_10|)) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#r~3#1.base| (store (store .cse3 (+ |c_ULTIMATE.start_main_~#r~3#1.offset| (* |v_ULTIMATE.start_ring_enqueue_#t~mem6#1_10| 4) 4) v_ArrVal_555) .cse4 v_ArrVal_557)) |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r#1.base|) |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r#1.offset|) 2147483647)))) (= |c_reader_nowait_fnThread1of1ForFork0_~r~2#1.offset| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r#1.offset|) (<= 0 (select .cse2 |c_ULTIMATE.start_main_~#r~3#1.offset|)) (forall ((v_ArrVal_555 Int) (|v_ULTIMATE.start_ring_enqueue_#t~mem6#1_10| Int) (v_ArrVal_557 Int)) (let ((.cse5 (select |c_#memory_int| |c_ULTIMATE.start_main_~#r~3#1.base|)) (.cse6 (+ |c_ULTIMATE.start_main_~#r~3#1.offset| 20))) (or (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#r~3#1.base| (store (store .cse5 (+ |c_ULTIMATE.start_main_~#r~3#1.offset| (* |v_ULTIMATE.start_ring_enqueue_#t~mem6#1_10| 4) 4) v_ArrVal_555) .cse6 v_ArrVal_557)) |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base|) |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset|) 2147483647) (not (<= (select .cse5 .cse6) |v_ULTIMATE.start_ring_enqueue_#t~mem6#1_10|))))) (<= (select (select |c_#memory_int| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base|) |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset|) |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10#1|) (= |c_ULTIMATE.start_main_~#r~3#1.offset| |c_reader_nowait_fnThread1of1ForFork0_~arg#1.offset|) (= |c_ULTIMATE.start_main_~#r~3#1.offset| |c_reader_nowait_fnThread1of1ForFork0_#in~arg#1.offset|) (not (= |c_ULTIMATE.start_main_~#r~3#1.base| |c_ULTIMATE.start_main_~#reader~0#1.base|)) (= |c_ULTIMATE.start_main_~#r~3#1.base| |c_reader_nowait_fnThread1of1ForFork0_~arg#1.base|) (= |c_ULTIMATE.start_main_~#r~3#1.offset| 0) (= |c_reader_nowait_fnThread1of1ForFork0_~r~2#1.base| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r#1.base|) (= |c_reader_nowait_fnThread1of1ForFork0_~r~2#1.offset| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset|) (<= |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10#1| 2147483646) (= |c_reader_nowait_fnThread1of1ForFork0_~r~2#1.base| |c_ULTIMATE.start_main_~#r~3#1.base|) (= |c_reader_nowait_fnThread1of1ForFork0_~r~2#1.offset| |c_ULTIMATE.start_main_~#r~3#1.offset|))) is different from false [2022-09-16 12:48:35,256 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~#r~3#1.base|))) (and (forall ((v_ArrVal_555 Int) (|v_ULTIMATE.start_ring_enqueue_#t~mem6#1_10| Int) (v_ArrVal_557 Int)) (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~#r~3#1.base|)) (.cse1 (+ |c_ULTIMATE.start_main_~#r~3#1.offset| 20))) (or (not (<= (select .cse0 .cse1) |v_ULTIMATE.start_ring_enqueue_#t~mem6#1_10|)) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#r~3#1.base| (store (store .cse0 (+ |c_ULTIMATE.start_main_~#r~3#1.offset| (* |v_ULTIMATE.start_ring_enqueue_#t~mem6#1_10| 4) 4) v_ArrVal_555) .cse1 v_ArrVal_557)) |c_reader_nowait_fnThread1of1ForFork0_~r~2#1.base|) |c_reader_nowait_fnThread1of1ForFork0_~r~2#1.offset|) 2147483647)))) (= |c_reader_nowait_fnThread1of1ForFork0_~r~2#1.base| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base|) (<= 0 (select .cse2 (+ |c_ULTIMATE.start_main_~#r~3#1.offset| 20))) (= |c_reader_nowait_fnThread1of1ForFork0_#in~arg#1.base| |c_ULTIMATE.start_main_~#r~3#1.base|) (forall ((v_ArrVal_555 Int) (|v_ULTIMATE.start_ring_enqueue_#t~mem6#1_10| Int) (v_ArrVal_557 Int)) (let ((.cse3 (select |c_#memory_int| |c_ULTIMATE.start_main_~#r~3#1.base|)) (.cse4 (+ |c_ULTIMATE.start_main_~#r~3#1.offset| 20))) (or (not (<= (select .cse3 .cse4) |v_ULTIMATE.start_ring_enqueue_#t~mem6#1_10|)) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#r~3#1.base| (store (store .cse3 (+ |c_ULTIMATE.start_main_~#r~3#1.offset| (* |v_ULTIMATE.start_ring_enqueue_#t~mem6#1_10| 4) 4) v_ArrVal_555) .cse4 v_ArrVal_557)) |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r#1.base|) |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r#1.offset|) 2147483647)))) (= |c_reader_nowait_fnThread1of1ForFork0_~r~2#1.offset| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r#1.offset|) (<= 0 (select .cse2 |c_ULTIMATE.start_main_~#r~3#1.offset|)) (<= (select (select |c_#memory_int| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base|) |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset|) |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10#1|) (= |c_ULTIMATE.start_main_~#r~3#1.offset| |c_reader_nowait_fnThread1of1ForFork0_~arg#1.offset|) (= |c_ULTIMATE.start_main_~#r~3#1.offset| |c_reader_nowait_fnThread1of1ForFork0_#in~arg#1.offset|) (not (= |c_ULTIMATE.start_main_~#r~3#1.base| |c_ULTIMATE.start_main_~#reader~0#1.base|)) (= |c_ULTIMATE.start_main_~#r~3#1.base| |c_reader_nowait_fnThread1of1ForFork0_~arg#1.base|) (= |c_ULTIMATE.start_main_~#r~3#1.offset| 0) (= |c_reader_nowait_fnThread1of1ForFork0_~r~2#1.base| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r#1.base|) (= |c_reader_nowait_fnThread1of1ForFork0_~r~2#1.offset| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset|) (<= |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10#1| 2147483646) (= |c_reader_nowait_fnThread1of1ForFork0_~r~2#1.base| |c_ULTIMATE.start_main_~#r~3#1.base|) (= |c_reader_nowait_fnThread1of1ForFork0_~r~2#1.offset| |c_ULTIMATE.start_main_~#r~3#1.offset|))) is different from false [2022-09-16 12:48:39,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:48:39,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:48:39,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:48:39,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:48:39,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:48:39,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:48:39,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:48:39,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-09-16 12:48:39,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:48:39,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:48:39,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-09-16 12:48:39,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-09-16 12:48:39,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:48:39,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-09-16 12:48:39,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-09-16 12:48:39,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-09-16 12:48:39,892 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-09-16 12:48:40,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-09-16 12:48:40,075 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting reader_nowait_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [reader_nowait_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, reader_nowait_fnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, reader_nowait_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-09-16 12:48:40,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:48:40,076 INFO L85 PathProgramCache]: Analyzing trace with hash -22462956, now seen corresponding path program 1 times [2022-09-16 12:48:40,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:48:40,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279121650] [2022-09-16 12:48:40,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:48:40,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:48:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:48:40,947 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 189 proven. 87 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2022-09-16 12:48:40,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:48:40,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279121650] [2022-09-16 12:48:40,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279121650] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-16 12:48:40,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086448196] [2022-09-16 12:48:40,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:48:40,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:48:40,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:48:40,952 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-09-16 12:48:40,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-09-16 12:48:41,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:48:41,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 170 conjunts are in the unsatisfiable core [2022-09-16 12:48:41,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-16 12:48:41,123 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-09-16 12:48:41,151 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-09-16 12:48:41,151 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 [2022-09-16 12:48:41,261 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 13 treesize of output 9 [2022-09-16 12:48:41,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-16 12:48:41,305 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-09-16 12:48:41,365 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 23 treesize of output 23 [2022-09-16 12:48:41,782 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 26 [2022-09-16 12:48:42,117 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 26 [2022-09-16 12:48:42,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-16 12:48:42,374 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 26 [2022-09-16 12:48:42,650 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 26 [2022-09-16 12:48:42,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-16 12:48:42,892 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 26 [2022-09-16 12:48:43,151 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 26 [2022-09-16 12:48:43,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-16 12:48:43,402 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 26 [2022-09-16 12:48:44,109 INFO L173 IndexEqualityManager]: detected equality via solver [2022-09-16 12:48:44,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-16 12:48:44,122 INFO L356 Elim1Store]: treesize reduction 42, result has 35.4 percent of original size [2022-09-16 12:48:44,123 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 44 [2022-09-16 12:48:44,201 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 21 treesize of output 20 [2022-09-16 12:48:44,482 INFO L356 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-09-16 12:48:44,482 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 1 case distinctions, treesize of input 24 treesize of output 31 [2022-09-16 12:48:44,548 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-16 12:48:44,548 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 26 treesize of output 22 [2022-09-16 12:48:44,575 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2022-09-16 12:48:44,576 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-16 12:48:58,442 WARN L833 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_ring_enqueue_#t~mem6#1| Int) (v_ArrVal_644 Int)) (or (< |c_ULTIMATE.start_ring_enqueue_#in~x#1| v_ArrVal_644) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_ring_enqueue_#in~r#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_ring_enqueue_#in~r#1.base|) (+ (* |ULTIMATE.start_ring_enqueue_#t~mem6#1| 4) 4 |c_ULTIMATE.start_ring_enqueue_#in~r#1.offset|) v_ArrVal_644)) |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base|) |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset|) 2147483647))) is different from false [2022-09-16 12:49:12,528 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_642 Int) (|ULTIMATE.start_ring_enqueue_#t~mem6#1| Int) (v_ArrVal_644 Int)) (or (< (+ |c_ULTIMATE.start_writer_fn_~i~1#1| 2) v_ArrVal_644) (< (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_ring_enqueue_~r#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_ring_enqueue_~r#1.base|) (+ |c_ULTIMATE.start_ring_enqueue_~r#1.offset| 20) v_ArrVal_642)))) (store .cse0 |c_ULTIMATE.start_writer_fn_~r~1#1.base| (store (select .cse0 |c_ULTIMATE.start_writer_fn_~r~1#1.base|) (+ |c_ULTIMATE.start_writer_fn_~r~1#1.offset| (* |ULTIMATE.start_ring_enqueue_#t~mem6#1| 4) 4) v_ArrVal_644))) |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base|) |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset|) 2147483647))) is different from false [2022-09-16 12:51:26,909 WARN L233 SmtUtils]: Spent 10.26s on a formula simplification. DAG size of input: 65 DAG size of output: 62 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-09-16 12:55:00,790 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_642 Int) (v_ArrVal_624 (Array Int Int)) (v_ArrVal_640 Int) (|v_ULTIMATE.start_ring_enqueue_#t~mem6#1_16| Int) (|v_ULTIMATE.start_ring_enqueue_#t~mem6#1_15| Int) (v_ArrVal_638 Int) (v_ArrVal_644 Int)) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#reader~0#1.base| v_ArrVal_624) |c_ULTIMATE.start_main_~#r~3#1.base|)) (.cse1 (+ |c_ULTIMATE.start_main_~#r~3#1.offset| 20))) (or (< 0 (+ v_ArrVal_638 1)) (not (<= (select .cse0 .cse1) |v_ULTIMATE.start_ring_enqueue_#t~mem6#1_16|)) (< (select (store (store (store (store .cse0 |c_ULTIMATE.start_main_~#r~3#1.offset| v_ArrVal_638) (+ |c_ULTIMATE.start_main_~#r~3#1.offset| (* |v_ULTIMATE.start_ring_enqueue_#t~mem6#1_16| 4) 4) v_ArrVal_640) .cse1 v_ArrVal_642) (+ |c_ULTIMATE.start_main_~#r~3#1.offset| 4 (* |v_ULTIMATE.start_ring_enqueue_#t~mem6#1_15| 4)) v_ArrVal_644) |c_ULTIMATE.start_main_~#r~3#1.offset|) 2147483647) (< 2 v_ArrVal_644)))) is different from false [2022-09-16 12:55:00,913 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_642 Int) (v_ArrVal_624 (Array Int Int)) (v_ArrVal_640 Int) (|v_ULTIMATE.start_ring_enqueue_#t~mem6#1_16| Int) (|v_ULTIMATE.start_ring_enqueue_#t~mem6#1_15| Int) (v_ArrVal_638 Int) (v_ArrVal_622 Int) (v_ArrVal_644 Int)) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_ring_init_~r#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_ring_init_~r#1.base|) |c_ULTIMATE.start_ring_init_~r#1.offset| v_ArrVal_622)) |c_ULTIMATE.start_main_~#reader~0#1.base| v_ArrVal_624) |c_ULTIMATE.start_main_~#r~3#1.base|)) (.cse1 (+ |c_ULTIMATE.start_main_~#r~3#1.offset| 20))) (or (< (select (store (store (store (store .cse0 |c_ULTIMATE.start_main_~#r~3#1.offset| v_ArrVal_638) (+ |c_ULTIMATE.start_main_~#r~3#1.offset| (* |v_ULTIMATE.start_ring_enqueue_#t~mem6#1_16| 4) 4) v_ArrVal_640) .cse1 v_ArrVal_642) (+ |c_ULTIMATE.start_main_~#r~3#1.offset| 4 (* |v_ULTIMATE.start_ring_enqueue_#t~mem6#1_15| 4)) v_ArrVal_644) |c_ULTIMATE.start_main_~#r~3#1.offset|) 2147483647) (not (<= 0 v_ArrVal_622)) (< 0 (+ v_ArrVal_638 1)) (not (<= (select .cse0 .cse1) |v_ULTIMATE.start_ring_enqueue_#t~mem6#1_16|)) (< 2 v_ArrVal_644)))) is different from false [2022-09-16 12:55:00,945 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-16 12:55:00,945 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 74 treesize of output 66 [2022-09-16 12:55:00,967 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-16 12:55:00,968 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 116 treesize of output 116 [2022-09-16 12:55:00,984 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 97 treesize of output 93 [2022-09-16 12:55:01,020 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 9 [2022-09-16 12:55:01,064 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-16 12:55:01,065 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 103 treesize of output 111 [2022-09-16 12:55:02,052 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 3 proven. 85 refuted. 195 times theorem prover too weak. 474 trivial. 2 not checked. [2022-09-16 12:55:02,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1086448196] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-16 12:55:02,052 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-16 12:55:02,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 32, 36] total 93 [2022-09-16 12:55:02,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300371280] [2022-09-16 12:55:02,053 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-16 12:55:02,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2022-09-16 12:55:02,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:55:02,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2022-09-16 12:55:02,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=488, Invalid=7440, Unknown=98, NotChecked=716, Total=8742 [2022-09-16 12:55:02,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:55:02,055 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:55:02,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 93 states have (on average 4.795698924731183) internal successors, (446), 94 states have internal predecessors, (446), 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) [2022-09-16 12:55:02,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:55:02,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:55:02,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:55:02,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:55:02,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:55:02,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:55:02,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:55:02,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-09-16 12:55:02,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:55:02,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:55:02,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-09-16 12:55:02,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-09-16 12:55:02,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:55:02,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-09-16 12:55:02,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-09-16 12:55:02,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-09-16 12:55:02,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:55:06,803 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~#r~3#1.base|))) (and (= |c_reader_nowait_fnThread1of1ForFork0_~r~2#1.base| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base|) (forall ((v_ArrVal_642 Int) (v_ArrVal_640 Int) (|v_ULTIMATE.start_ring_enqueue_#t~mem6#1_16| Int) (|v_ULTIMATE.start_ring_enqueue_#t~mem6#1_15| Int) (v_ArrVal_644 Int)) (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~#r~3#1.base|)) (.cse1 (+ |c_ULTIMATE.start_main_~#r~3#1.offset| 20))) (or (not (<= (select .cse0 .cse1) |v_ULTIMATE.start_ring_enqueue_#t~mem6#1_16|)) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#r~3#1.base| (store (store (store .cse0 (+ |c_ULTIMATE.start_main_~#r~3#1.offset| (* |v_ULTIMATE.start_ring_enqueue_#t~mem6#1_16| 4) 4) v_ArrVal_640) .cse1 v_ArrVal_642) (+ |c_ULTIMATE.start_main_~#r~3#1.offset| 4 (* |v_ULTIMATE.start_ring_enqueue_#t~mem6#1_15| 4)) v_ArrVal_644)) |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base|) |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset|) 2147483647) (< 2 v_ArrVal_644)))) (<= 0 (select .cse2 (+ |c_ULTIMATE.start_main_~#r~3#1.offset| 20))) (= |c_reader_nowait_fnThread1of1ForFork0_#in~arg#1.base| |c_ULTIMATE.start_main_~#r~3#1.base|) (= |c_reader_nowait_fnThread1of1ForFork0_~r~2#1.offset| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r#1.offset|) (<= 0 (select .cse2 |c_ULTIMATE.start_main_~#r~3#1.offset|)) (forall ((v_ArrVal_642 Int) (v_ArrVal_640 Int) (|v_ULTIMATE.start_ring_enqueue_#t~mem6#1_16| Int) (|v_ULTIMATE.start_ring_enqueue_#t~mem6#1_15| Int) (v_ArrVal_644 Int)) (let ((.cse3 (select |c_#memory_int| |c_ULTIMATE.start_main_~#r~3#1.base|)) (.cse4 (+ |c_ULTIMATE.start_main_~#r~3#1.offset| 20))) (or (not (<= (select .cse3 .cse4) |v_ULTIMATE.start_ring_enqueue_#t~mem6#1_16|)) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#r~3#1.base| (store (store (store .cse3 (+ |c_ULTIMATE.start_main_~#r~3#1.offset| (* |v_ULTIMATE.start_ring_enqueue_#t~mem6#1_16| 4) 4) v_ArrVal_640) .cse4 v_ArrVal_642) (+ |c_ULTIMATE.start_main_~#r~3#1.offset| 4 (* |v_ULTIMATE.start_ring_enqueue_#t~mem6#1_15| 4)) v_ArrVal_644)) |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r#1.base|) |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r#1.offset|) 2147483647) (< 2 v_ArrVal_644)))) (<= (select (select |c_#memory_int| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base|) |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset|) |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10#1|) (forall ((v_ArrVal_642 Int) (v_ArrVal_640 Int) (|v_ULTIMATE.start_ring_enqueue_#t~mem6#1_16| Int) (|v_ULTIMATE.start_ring_enqueue_#t~mem6#1_15| Int) (v_ArrVal_644 Int)) (let ((.cse5 (select |c_#memory_int| |c_ULTIMATE.start_main_~#r~3#1.base|)) (.cse6 (+ |c_ULTIMATE.start_main_~#r~3#1.offset| 20))) (or (not (<= (select .cse5 .cse6) |v_ULTIMATE.start_ring_enqueue_#t~mem6#1_16|)) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#r~3#1.base| (store (store (store .cse5 (+ |c_ULTIMATE.start_main_~#r~3#1.offset| (* |v_ULTIMATE.start_ring_enqueue_#t~mem6#1_16| 4) 4) v_ArrVal_640) .cse6 v_ArrVal_642) (+ |c_ULTIMATE.start_main_~#r~3#1.offset| 4 (* |v_ULTIMATE.start_ring_enqueue_#t~mem6#1_15| 4)) v_ArrVal_644)) |c_reader_nowait_fnThread1of1ForFork0_~r~2#1.base|) |c_reader_nowait_fnThread1of1ForFork0_~r~2#1.offset|) 2147483647) (< 2 v_ArrVal_644)))) (= |c_ULTIMATE.start_main_~#r~3#1.offset| |c_reader_nowait_fnThread1of1ForFork0_~arg#1.offset|) (= |c_ULTIMATE.start_main_~#r~3#1.offset| |c_reader_nowait_fnThread1of1ForFork0_#in~arg#1.offset|) (not (= |c_ULTIMATE.start_main_~#r~3#1.base| |c_ULTIMATE.start_main_~#reader~0#1.base|)) (= |c_ULTIMATE.start_main_~#r~3#1.base| |c_reader_nowait_fnThread1of1ForFork0_~arg#1.base|) (= |c_ULTIMATE.start_main_~#r~3#1.offset| 0) (= |c_reader_nowait_fnThread1of1ForFork0_~r~2#1.base| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r#1.base|) (= |c_reader_nowait_fnThread1of1ForFork0_~r~2#1.offset| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset|) (<= |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10#1| 2147483646) (= |c_reader_nowait_fnThread1of1ForFork0_~r~2#1.base| |c_ULTIMATE.start_main_~#r~3#1.base|) (= |c_reader_nowait_fnThread1of1ForFork0_~r~2#1.offset| |c_ULTIMATE.start_main_~#r~3#1.offset|))) is different from false [2022-09-16 12:55:12,080 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base|)) (.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~#r~3#1.base|))) (let ((.cse2 (select .cse1 |c_ULTIMATE.start_main_~#r~3#1.offset|)) (.cse3 (select .cse0 |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset|))) (and (<= 0 (select .cse0 (+ 20 |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset|))) (= |c_reader_nowait_fnThread1of1ForFork0_~r~2#1.base| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base|) (<= |c_ULTIMATE.start_ring_enqueue_#in~x#1| (+ |c_ULTIMATE.start_writer_fn_~i~1#1| 1)) (= |c_ULTIMATE.start_ring_enqueue_#in~r#1.base| |c_ULTIMATE.start_writer_fn_~r~1#1.base|) (<= (select (select |c_#memory_int| |c_ULTIMATE.start_writer_fn_~r~1#1.base|) |c_ULTIMATE.start_writer_fn_~r~1#1.offset|) 3) (= |c_ULTIMATE.start_ring_enqueue_#in~r#1.base| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base|) (= |c_ULTIMATE.start_writer_fn_#in~arg#1.offset| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset|) (<= 0 (select .cse1 (+ |c_ULTIMATE.start_main_~#r~3#1.offset| 20))) (= |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base| |c_ULTIMATE.start_writer_fn_#in~arg#1.base|) (= |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base| |c_ULTIMATE.start_writer_fn_~r~1#1.base|) (= |c_ULTIMATE.start_main_~#r~3#1.base| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base|) (<= (select (select |c_#memory_int| |c_reader_nowait_fnThread1of1ForFork0_~r~2#1.base|) |c_reader_nowait_fnThread1of1ForFork0_~r~2#1.offset|) 3) (= |c_reader_nowait_fnThread1of1ForFork0_~r~2#1.offset| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r#1.offset|) (<= 0 .cse2) (<= .cse3 |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10#1|) (= |c_ULTIMATE.start_writer_fn_~r~1#1.offset| |c_ULTIMATE.start_ring_enqueue_#in~r#1.offset|) (<= (select (select |c_#memory_int| |c_ULTIMATE.start_ring_enqueue_#in~r#1.base|) |c_ULTIMATE.start_writer_fn_~r~1#1.offset|) 3) (= |c_ULTIMATE.start_writer_fn_#in~arg#1.offset| 0) (= |c_ULTIMATE.start_writer_fn_~arg#1.offset| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset|) (<= 0 (select .cse0 (+ |c_ULTIMATE.start_writer_fn_#in~arg#1.offset| 20))) (= |c_ULTIMATE.start_main_~#r~3#1.base| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r#1.base|) (= |c_ULTIMATE.start_main_~#r~3#1.offset| 0) (= |c_reader_nowait_fnThread1of1ForFork0_~r~2#1.base| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r#1.base|) (= |c_ULTIMATE.start_main_~#r~3#1.offset| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r#1.offset|) (<= |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10#1| 3) (<= |c_ULTIMATE.start_writer_fn_~i~1#1| 0) (= |c_ULTIMATE.start_writer_fn_~r~1#1.offset| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset|) (= |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| |c_ULTIMATE.start_ring_enqueue_#in~r#1.offset|) (= |c_reader_nowait_fnThread1of1ForFork0_~r~2#1.offset| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset|) (<= |c_ULTIMATE.start_writer_fn_~r~1#1.offset| 0) (= |c_ULTIMATE.start_writer_fn_~i~1#1| 0) (= |c_ULTIMATE.start_ring_enqueue_#in~r#1.offset| 0) (= |c_ULTIMATE.start_main_~#r~3#1.offset| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset|) (<= .cse2 3) (<= |c_ULTIMATE.start_ring_enqueue_#in~x#1| 2) (<= .cse3 3) (= |c_reader_nowait_fnThread1of1ForFork0_~r~2#1.base| |c_ULTIMATE.start_main_~#r~3#1.base|) (<= (select .cse0 |c_ULTIMATE.start_writer_fn_#in~arg#1.offset|) 3) (forall ((|ULTIMATE.start_ring_enqueue_#t~mem6#1| Int) (v_ArrVal_644 Int)) (or (< |c_ULTIMATE.start_ring_enqueue_#in~x#1| v_ArrVal_644) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_ring_enqueue_#in~r#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_ring_enqueue_#in~r#1.base|) (+ (* |ULTIMATE.start_ring_enqueue_#t~mem6#1| 4) 4 |c_ULTIMATE.start_ring_enqueue_#in~r#1.offset|) v_ArrVal_644)) |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base|) |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset|) 2147483647))) (= |c_reader_nowait_fnThread1of1ForFork0_~r~2#1.offset| |c_ULTIMATE.start_main_~#r~3#1.offset|) (<= (select (select |c_#memory_int| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r#1.base|) |c_ULTIMATE.start_main_~#r~3#1.offset|) 3) (= |c_ULTIMATE.start_writer_fn_~r~1#1.offset| 0) (= |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| 0) (= |c_ULTIMATE.start_writer_fn_~arg#1.base| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base|)))) is different from false [2022-09-16 12:55:14,086 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base|))) (and (<= 0 (select .cse0 (+ 20 |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset|))) (<= |c_ULTIMATE.start_ring_enqueue_#in~x#1| (+ |c_ULTIMATE.start_writer_fn_~i~1#1| 1)) (= |c_ULTIMATE.start_ring_enqueue_#in~r#1.base| |c_ULTIMATE.start_writer_fn_~r~1#1.base|) (= |c_ULTIMATE.start_ring_enqueue_#in~r#1.base| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base|) (= |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base| |c_ULTIMATE.start_writer_fn_~r~1#1.base|) (= |c_ULTIMATE.start_writer_fn_~r~1#1.offset| |c_ULTIMATE.start_ring_enqueue_#in~r#1.offset|) (<= (select (select |c_#memory_int| |c_ULTIMATE.start_ring_enqueue_#in~r#1.base|) |c_ULTIMATE.start_writer_fn_~r~1#1.offset|) 3) (<= |c_ULTIMATE.start_writer_fn_~i~1#1| 0) (= |c_ULTIMATE.start_writer_fn_~r~1#1.offset| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset|) (= |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| |c_ULTIMATE.start_ring_enqueue_#in~r#1.offset|) (<= |c_ULTIMATE.start_writer_fn_~r~1#1.offset| 0) (= |c_ULTIMATE.start_writer_fn_~i~1#1| 0) (= |c_ULTIMATE.start_ring_enqueue_#in~r#1.offset| 0) (<= |c_ULTIMATE.start_ring_enqueue_#in~x#1| 2) (<= (select .cse0 |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset|) 3) (forall ((|ULTIMATE.start_ring_enqueue_#t~mem6#1| Int) (v_ArrVal_644 Int)) (or (< |c_ULTIMATE.start_ring_enqueue_#in~x#1| v_ArrVal_644) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_ring_enqueue_#in~r#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_ring_enqueue_#in~r#1.base|) (+ (* |ULTIMATE.start_ring_enqueue_#t~mem6#1| 4) 4 |c_ULTIMATE.start_ring_enqueue_#in~r#1.offset|) v_ArrVal_644)) |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base|) |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset|) 2147483647))) (= |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| 0))) is different from false [2022-09-16 12:55:19,043 WARN L833 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_ring_enqueue_#in~r#1.base| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base|) (= |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base| |c_ULTIMATE.start_writer_fn_~r~1#1.base|) (<= |c_ULTIMATE.start_writer_fn_~i~1#1| 1) (= |c_ULTIMATE.start_writer_fn_~r~1#1.offset| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset|) (= |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| |c_ULTIMATE.start_ring_enqueue_#in~r#1.offset|) (<= |c_ULTIMATE.start_ring_enqueue_#in~x#1| 2) (<= (select (select |c_#memory_int| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base|) |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset|) 3) (forall ((|ULTIMATE.start_ring_enqueue_#t~mem6#1| Int) (v_ArrVal_644 Int)) (or (< |c_ULTIMATE.start_ring_enqueue_#in~x#1| v_ArrVal_644) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_ring_enqueue_#in~r#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_ring_enqueue_#in~r#1.base|) (+ (* |ULTIMATE.start_ring_enqueue_#t~mem6#1| 4) 4 |c_ULTIMATE.start_ring_enqueue_#in~r#1.offset|) v_ArrVal_644)) |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base|) |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset|) 2147483647))) (= |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| 0)) is different from false [2022-09-16 12:55:21,048 WARN L833 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_ring_enqueue_#in~r#1.base| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base|) (= |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| |c_ULTIMATE.start_ring_enqueue_#in~r#1.offset|) (<= |c_ULTIMATE.start_ring_enqueue_#in~x#1| 2) (<= (select (select |c_#memory_int| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base|) |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset|) 3) (forall ((|ULTIMATE.start_ring_enqueue_#t~mem6#1| Int) (v_ArrVal_644 Int)) (or (< |c_ULTIMATE.start_ring_enqueue_#in~x#1| v_ArrVal_644) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_ring_enqueue_#in~r#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_ring_enqueue_#in~r#1.base|) (+ (* |ULTIMATE.start_ring_enqueue_#t~mem6#1| 4) 4 |c_ULTIMATE.start_ring_enqueue_#in~r#1.offset|) v_ArrVal_644)) |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base|) |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset|) 2147483647))) (= |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| 0)) is different from false [2022-09-16 12:55:24,695 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~#r~3#1.base|))) (let ((.cse2 (select .cse1 |c_ULTIMATE.start_main_~#r~3#1.offset|)) (.cse0 (select |c_#memory_int| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base|))) (and (<= 0 (select .cse0 (+ 20 |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset|))) (= |c_reader_nowait_fnThread1of1ForFork0_~r~2#1.base| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base|) (<= |c_ULTIMATE.start_ring_enqueue_#in~x#1| (+ |c_ULTIMATE.start_writer_fn_~i~1#1| 1)) (= |c_ULTIMATE.start_ring_enqueue_#in~r#1.base| |c_ULTIMATE.start_writer_fn_~r~1#1.base|) (<= (select (select |c_#memory_int| |c_ULTIMATE.start_writer_fn_~r~1#1.base|) |c_ULTIMATE.start_writer_fn_~r~1#1.offset|) 3) (= |c_ULTIMATE.start_ring_enqueue_#in~r#1.base| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base|) (= |c_ULTIMATE.start_writer_fn_#in~arg#1.offset| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset|) (<= 0 (select .cse1 (+ |c_ULTIMATE.start_main_~#r~3#1.offset| 20))) (= |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base| |c_ULTIMATE.start_writer_fn_#in~arg#1.base|) (= |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base| |c_ULTIMATE.start_writer_fn_~r~1#1.base|) (= |c_ULTIMATE.start_main_~#r~3#1.base| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base|) (<= (select (select |c_#memory_int| |c_reader_nowait_fnThread1of1ForFork0_~r~2#1.base|) |c_reader_nowait_fnThread1of1ForFork0_~r~2#1.offset|) 3) (= |c_reader_nowait_fnThread1of1ForFork0_~r~2#1.offset| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r#1.offset|) (<= 0 .cse2) (= |c_ULTIMATE.start_writer_fn_~r~1#1.offset| |c_ULTIMATE.start_ring_enqueue_#in~r#1.offset|) (<= (select (select |c_#memory_int| |c_ULTIMATE.start_ring_enqueue_#in~r#1.base|) |c_ULTIMATE.start_writer_fn_~r~1#1.offset|) 3) (= |c_ULTIMATE.start_writer_fn_#in~arg#1.offset| 0) (= |c_ULTIMATE.start_writer_fn_~arg#1.offset| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset|) (<= 0 (select .cse0 (+ |c_ULTIMATE.start_writer_fn_#in~arg#1.offset| 20))) (= |c_ULTIMATE.start_main_~#r~3#1.base| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r#1.base|) (= |c_ULTIMATE.start_main_~#r~3#1.offset| 0) (= |c_reader_nowait_fnThread1of1ForFork0_~r~2#1.base| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r#1.base|) (= |c_ULTIMATE.start_main_~#r~3#1.offset| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r#1.offset|) (<= |c_ULTIMATE.start_writer_fn_~i~1#1| 0) (= |c_ULTIMATE.start_writer_fn_~r~1#1.offset| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset|) (= |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| |c_ULTIMATE.start_ring_enqueue_#in~r#1.offset|) (= |c_reader_nowait_fnThread1of1ForFork0_~r~2#1.offset| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset|) (<= |c_ULTIMATE.start_writer_fn_~r~1#1.offset| 0) (= |c_ULTIMATE.start_writer_fn_~i~1#1| 0) (= |c_ULTIMATE.start_ring_enqueue_#in~r#1.offset| 0) (= |c_ULTIMATE.start_main_~#r~3#1.offset| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset|) (<= .cse2 3) (<= |c_ULTIMATE.start_ring_enqueue_#in~x#1| 2) (<= (select .cse0 |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset|) 3) (= |c_reader_nowait_fnThread1of1ForFork0_~r~2#1.base| |c_ULTIMATE.start_main_~#r~3#1.base|) (<= (select .cse0 |c_ULTIMATE.start_writer_fn_#in~arg#1.offset|) 3) (forall ((|ULTIMATE.start_ring_enqueue_#t~mem6#1| Int) (v_ArrVal_644 Int)) (or (< |c_ULTIMATE.start_ring_enqueue_#in~x#1| v_ArrVal_644) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_ring_enqueue_#in~r#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_ring_enqueue_#in~r#1.base|) (+ (* |ULTIMATE.start_ring_enqueue_#t~mem6#1| 4) 4 |c_ULTIMATE.start_ring_enqueue_#in~r#1.offset|) v_ArrVal_644)) |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base|) |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset|) 2147483647))) (= |c_reader_nowait_fnThread1of1ForFork0_~r~2#1.offset| |c_ULTIMATE.start_main_~#r~3#1.offset|) (<= (select (select |c_#memory_int| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r#1.base|) |c_ULTIMATE.start_main_~#r~3#1.offset|) 3) (= |c_ULTIMATE.start_writer_fn_~r~1#1.offset| 0) (= |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| 0) (= |c_ULTIMATE.start_writer_fn_~arg#1.base| |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base|)))) is different from false [2022-09-16 12:55:24,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:55:24,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 12:55:24,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:55:24,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:55:24,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:55:24,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:55:24,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:55:24,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-09-16 12:55:24,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:55:24,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:55:24,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-09-16 12:55:24,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-09-16 12:55:24,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:55:24,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-09-16 12:55:24,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-09-16 12:55:24,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-09-16 12:55:24,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-09-16 12:55:24,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-09-16 12:55:25,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-09-16 12:55:25,058 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting reader_nowait_fnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [reader_nowait_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, reader_nowait_fnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, reader_nowait_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-09-16 12:55:25,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:55:25,059 INFO L85 PathProgramCache]: Analyzing trace with hash -696351193, now seen corresponding path program 1 times [2022-09-16 12:55:25,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:55:25,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339627168] [2022-09-16 12:55:25,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:55:25,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:55:25,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:55:27,675 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 189 proven. 94 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2022-09-16 12:55:27,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:55:27,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339627168] [2022-09-16 12:55:27,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339627168] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-16 12:55:27,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [626366459] [2022-09-16 12:55:27,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:55:27,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:55:27,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:55:27,677 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-09-16 12:55:27,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-09-16 12:55:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:55:27,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 171 conjunts are in the unsatisfiable core [2022-09-16 12:55:27,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-16 12:55:27,854 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-09-16 12:55:27,963 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-09-16 12:55:27,963 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 [2022-09-16 12:55:28,379 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-09-16 12:55:28,552 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 14 treesize of output 16 [2022-09-16 12:55:30,030 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2022-09-16 12:55:30,917 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2022-09-16 12:55:31,838 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2022-09-16 12:55:32,813 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2022-09-16 12:55:33,796 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2022-09-16 12:55:34,630 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2022-09-16 12:55:35,397 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2022-09-16 12:55:38,065 INFO L356 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2022-09-16 12:55:38,066 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 1 case distinctions, treesize of input 24 treesize of output 32 [2022-09-16 12:55:38,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-16 12:55:38,538 INFO L356 Elim1Store]: treesize reduction 33, result has 35.3 percent of original size [2022-09-16 12:55:38,538 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 43 [2022-09-16 12:55:39,768 INFO L356 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-09-16 12:55:39,768 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 1 case distinctions, treesize of input 24 treesize of output 31 [2022-09-16 12:55:40,094 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-16 12:55:40,096 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 26 treesize of output 22 [2022-09-16 12:55:40,245 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 5 proven. 89 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2022-09-16 12:55:40,245 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-16 12:56:04,915 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_728 Int) (|ULTIMATE.start_ring_enqueue_#t~mem6#1| Int)) (or (< 0 (+ 2147483650 (select (select (store |c_#memory_int| |c_ULTIMATE.start_ring_enqueue_#in~r#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_ring_enqueue_#in~r#1.base|) (+ (* |ULTIMATE.start_ring_enqueue_#t~mem6#1| 4) 4 |c_ULTIMATE.start_ring_enqueue_#in~r#1.offset|) v_ArrVal_728)) |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base|) |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset|))) (< v_ArrVal_728 |c_ULTIMATE.start_ring_enqueue_#in~x#1|))) is different from false [2022-09-16 12:56:27,302 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_728 Int) (|ULTIMATE.start_ring_enqueue_#t~mem6#1| Int)) (or (< v_ArrVal_728 (+ |c_ULTIMATE.start_writer_fn_~i~1#1| 2)) (< 0 (+ 2147483650 (select (select (store |c_#memory_int| |c_ULTIMATE.start_writer_fn_~r~1#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_writer_fn_~r~1#1.base|) (+ |c_ULTIMATE.start_writer_fn_~r~1#1.offset| (* |ULTIMATE.start_ring_enqueue_#t~mem6#1| 4) 4) v_ArrVal_728)) |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base|) |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset|))))) is different from false [2022-09-16 12:57:17,341 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_ring_enqueue_~r#1.offset_21| Int) (|v_ULTIMATE.start_ring_enqueue_#t~mem6#1_21| Int) (v_ArrVal_728 Int) (v_ArrVal_726 Int) (v_ArrVal_724 Int) (|ULTIMATE.start_ring_enqueue_#t~mem6#1| Int)) (or (< v_ArrVal_724 |c_ULTIMATE.start_ring_enqueue_#in~x#1|) (not (<= |c_ULTIMATE.start_ring_enqueue_#in~r#1.offset| |v_ULTIMATE.start_ring_enqueue_~r#1.offset_21|)) (< 0 (+ 2147483650 (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_ring_enqueue_#in~r#1.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_ring_enqueue_#in~r#1.base|) (+ |v_ULTIMATE.start_ring_enqueue_~r#1.offset_21| (* |ULTIMATE.start_ring_enqueue_#t~mem6#1| 4) 4) v_ArrVal_724) (+ |v_ULTIMATE.start_ring_enqueue_~r#1.offset_21| 20) v_ArrVal_726)))) (store .cse0 |c_ULTIMATE.start_writer_fn_~r~1#1.base| (store (select .cse0 |c_ULTIMATE.start_writer_fn_~r~1#1.base|) (+ |c_ULTIMATE.start_writer_fn_~r~1#1.offset| (* |v_ULTIMATE.start_ring_enqueue_#t~mem6#1_21| 4) 4) v_ArrVal_728))) |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base|) |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset|))) (< v_ArrVal_728 (+ |c_ULTIMATE.start_writer_fn_~i~1#1| 2)))) is different from false [2022-09-16 12:58:14,858 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_ring_enqueue_~r#1.offset_21| Int) (|v_ULTIMATE.start_ring_enqueue_#t~mem6#1_21| Int) (v_ArrVal_728 Int) (v_ArrVal_726 Int) (v_ArrVal_724 Int) (|ULTIMATE.start_ring_enqueue_#t~mem6#1| Int)) (or (< v_ArrVal_724 1) (< 0 (+ 2147483650 (select (select (store |c_#memory_int| |c_ULTIMATE.start_writer_fn_~arg#1.base| (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_writer_fn_~arg#1.base|) (+ |v_ULTIMATE.start_ring_enqueue_~r#1.offset_21| (* |ULTIMATE.start_ring_enqueue_#t~mem6#1| 4) 4) v_ArrVal_724) (+ |v_ULTIMATE.start_ring_enqueue_~r#1.offset_21| 20) v_ArrVal_726) (+ (* |v_ULTIMATE.start_ring_enqueue_#t~mem6#1_21| 4) |c_ULTIMATE.start_writer_fn_~arg#1.offset| 4) v_ArrVal_728)) |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base|) |c_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset|))) (< v_ArrVal_728 2) (< |v_ULTIMATE.start_ring_enqueue_~r#1.offset_21| |c_ULTIMATE.start_writer_fn_~arg#1.offset|))) is different from false Received shutdown request... [2022-09-16 12:59:07,511 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-09-16 12:59:07,543 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-09-16 12:59:07,550 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-09-16 12:59:07,585 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location reader_nowait_fnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2022-09-16 12:59:07,603 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-09-16 12:59:07,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:59:07,786 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 324 with TraceHistMax 8,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ATOM-1 context. [2022-09-16 12:59:07,787 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location reader_nowait_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2022-09-16 12:59:07,787 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location reader_nowait_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2022-09-16 12:59:07,788 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location reader_nowait_fnErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2022-09-16 12:59:07,788 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location reader_nowait_fnErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2022-09-16 12:59:07,788 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location reader_nowait_fnErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2022-09-16 12:59:07,790 INFO L444 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 12:59:07,791 INFO L307 ceAbstractionStarter]: Result for error location reader_nowait_fnThread1of1ForFork0 was TIMEOUT,TIMEOUT,TIMEOUT,TIMEOUT,TIMEOUT,TIMEOUT (1/2) [2022-09-16 12:59:07,792 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 12:59:07,792 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 12:59:07,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 12:59:07 BasicIcfg [2022-09-16 12:59:07,794 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 12:59:07,794 INFO L158 Benchmark]: Toolchain (without parser) took 877477.26ms. Allocated memory was 197.1MB in the beginning and 380.6MB in the end (delta: 183.5MB). Free memory was 138.4MB in the beginning and 307.6MB in the end (delta: -169.2MB). Peak memory consumption was 14.9MB. Max. memory is 8.0GB. [2022-09-16 12:59:07,794 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 197.1MB. Free memory is still 156.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 12:59:07,794 INFO L158 Benchmark]: CACSL2BoogieTranslator took 479.23ms. Allocated memory is still 197.1MB. Free memory was 138.2MB in the beginning and 155.2MB in the end (delta: -17.0MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB. [2022-09-16 12:59:07,794 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.64ms. Allocated memory is still 197.1MB. Free memory was 155.2MB in the beginning and 152.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 12:59:07,794 INFO L158 Benchmark]: Boogie Preprocessor took 20.21ms. Allocated memory is still 197.1MB. Free memory was 152.5MB in the beginning and 150.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 12:59:07,795 INFO L158 Benchmark]: RCFGBuilder took 441.16ms. Allocated memory is still 197.1MB. Free memory was 150.8MB in the beginning and 133.9MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-09-16 12:59:07,795 INFO L158 Benchmark]: TraceAbstraction took 876502.08ms. Allocated memory was 197.1MB in the beginning and 380.6MB in the end (delta: 183.5MB). Free memory was 133.2MB in the beginning and 307.6MB in the end (delta: -174.4MB). Peak memory consumption was 10.0MB. Max. memory is 8.0GB. [2022-09-16 12:59:07,801 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 197.1MB. Free memory is still 156.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 479.23ms. Allocated memory is still 197.1MB. Free memory was 138.2MB in the beginning and 155.2MB in the end (delta: -17.0MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.64ms. Allocated memory is still 197.1MB. Free memory was 155.2MB in the beginning and 152.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.21ms. Allocated memory is still 197.1MB. Free memory was 152.5MB in the beginning and 150.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 441.16ms. Allocated memory is still 197.1MB. Free memory was 150.8MB in the beginning and 133.9MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 876502.08ms. Allocated memory was 197.1MB in the beginning and 380.6MB in the end (delta: 183.5MB). Free memory was 133.2MB in the beginning and 307.6MB in the end (delta: -174.4MB). Peak memory consumption was 10.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14416, positive: 12859, positive conditional: 5577, positive unconditional: 7282, negative: 1557, negative conditional: 1536, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12953, positive: 12859, positive conditional: 5577, positive unconditional: 7282, negative: 94, negative conditional: 73, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 12953, positive: 12859, positive conditional: 5577, positive unconditional: 7282, negative: 94, negative conditional: 73, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13826, positive: 12859, positive conditional: 17, positive unconditional: 12842, negative: 967, negative conditional: 856, negative unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 13826, positive: 12859, positive conditional: 17, positive unconditional: 12842, negative: 967, negative conditional: 333, negative unconditional: 634, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13826, positive: 12859, positive conditional: 17, positive unconditional: 12842, negative: 967, negative conditional: 333, negative unconditional: 634, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5888, positive: 5777, positive conditional: 17, positive unconditional: 5760, negative: 111, negative conditional: 90, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5888, positive: 5760, positive conditional: 0, positive unconditional: 5760, negative: 128, negative conditional: 0, negative unconditional: 128, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 128, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 111, negative conditional: 90, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 352, positive: 60, positive conditional: 60, positive unconditional: 0, negative: 293, negative conditional: 228, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 13826, positive: 7082, positive conditional: 0, positive unconditional: 7082, negative: 856, negative conditional: 243, negative unconditional: 613, unknown: 5888, unknown conditional: 107, unknown unconditional: 5781] , Statistics on independence cache: Total cache size (in pairs): 5888, Positive cache size: 5777, Positive conditional cache size: 17, Positive unconditional cache size: 5760, Negative cache size: 111, Negative conditional cache size: 90, Negative unconditional cache size: 21, Eliminated conditions: 523, Maximal queried relation: 15, Independence queries for same thread: 1463 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 297, Number of trivial persistent sets: 152, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7303, positive: 7282, positive conditional: 0, positive unconditional: 7282, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14416, positive: 12859, positive conditional: 5577, positive unconditional: 7282, negative: 1557, negative conditional: 1536, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12953, positive: 12859, positive conditional: 5577, positive unconditional: 7282, negative: 94, negative conditional: 73, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 12953, positive: 12859, positive conditional: 5577, positive unconditional: 7282, negative: 94, negative conditional: 73, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13826, positive: 12859, positive conditional: 17, positive unconditional: 12842, negative: 967, negative conditional: 856, negative unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 13826, positive: 12859, positive conditional: 17, positive unconditional: 12842, negative: 967, negative conditional: 333, negative unconditional: 634, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13826, positive: 12859, positive conditional: 17, positive unconditional: 12842, negative: 967, negative conditional: 333, negative unconditional: 634, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5888, positive: 5777, positive conditional: 17, positive unconditional: 5760, negative: 111, negative conditional: 90, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5888, positive: 5760, positive conditional: 0, positive unconditional: 5760, negative: 128, negative conditional: 0, negative unconditional: 128, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 128, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 111, negative conditional: 90, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 352, positive: 60, positive conditional: 60, positive unconditional: 0, negative: 293, negative conditional: 228, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 13826, positive: 7082, positive conditional: 0, positive unconditional: 7082, negative: 856, negative conditional: 243, negative unconditional: 613, unknown: 5888, unknown conditional: 107, unknown unconditional: 5781] , Statistics on independence cache: Total cache size (in pairs): 5888, Positive cache size: 5777, Positive conditional cache size: 17, Positive unconditional cache size: 5760, Negative cache size: 111, Negative conditional cache size: 90, Negative unconditional cache size: 21, Eliminated conditions: 523, Maximal queried relation: 15, Independence queries for same thread: 1463 - TimeoutResultAtElement [Line: 816]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 324 with TraceHistMax 8,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 816]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 324 with TraceHistMax 8,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 855]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 324 with TraceHistMax 8,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 855]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 324 with TraceHistMax 8,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 857]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 324 with TraceHistMax 8,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 857]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 324 with TraceHistMax 8,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: reader_nowait_fnThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 222 locations, 21 error locations. Started 1 CEGAR loops. OverallTime: 876.4s, OverallIterations: 18, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 36.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 361, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 612.2s InterpolantComputationTime, 5528 NumberOfCodeBlocks, 5410 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 7381 ConstructedInterpolants, 601 QuantifiedInterpolants, 107517 SizeOfPredicates, 267 NumberOfNonLiveVariables, 4868 ConjunctsInSsa, 509 ConjunctsInUnsatCore, 38 InterpolantComputations, 8 PerfectInterpolantSequences, 11172/19379 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown