/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_2w1r-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 12:45:34,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 12:45:34,208 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 12:45:34,227 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 12:45:34,227 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 12:45:34,228 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 12:45:34,228 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 12:45:34,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 12:45:34,230 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 12:45:34,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 12:45:34,231 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 12:45:34,232 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 12:45:34,232 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 12:45:34,233 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 12:45:34,233 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 12:45:34,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 12:45:34,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 12:45:34,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 12:45:34,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 12:45:34,237 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 12:45:34,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 12:45:34,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 12:45:34,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 12:45:34,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 12:45:34,241 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-16 12:45:34,242 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-16 12:45:34,242 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-16 12:45:34,242 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-16 12:45:34,242 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-16 12:45:34,243 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-16 12:45:34,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-16 12:45:34,244 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-16 12:45:34,244 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-16 12:45:34,244 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-16 12:45:34,245 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-16 12:45:34,245 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-16 12:45:34,246 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-16 12:45:34,246 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-16 12:45:34,246 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 12:45:34,246 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 12:45:34,247 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 12:45:34,247 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-09-16 12:45:34,261 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 12:45:34,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 12:45:34,261 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 12:45:34,262 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 12:45:34,262 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 12:45:34,262 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 12:45:34,263 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 12:45:34,263 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 12:45:34,263 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 12:45:34,263 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 12:45:34,263 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 12:45:34,263 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 12:45:34,263 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 12:45:34,263 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 12:45:34,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 12:45:34,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 12:45:34,264 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 12:45:34,264 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 12:45:34,264 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 12:45:34,264 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 12:45:34,264 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 12:45:34,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 12:45:34,264 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 12:45:34,265 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 12:45:34,265 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 12:45:34,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 12:45:34,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 12:45:34,265 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 12:45:34,265 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 12:45:34,265 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 12:45:34,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 12:45:34,266 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 12:45:34,266 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-09-16 12:45:34,266 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 12:45:34,266 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-09-16 12:45:34,266 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-09-16 12:45:34,266 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 12:45:34,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 12:45:34,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 12:45:34,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 12:45:34,439 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 12:45:34,441 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 12:45:34,442 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i [2022-09-16 12:45:34,501 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00b8de877/985bc768166249a3953ddc46bfd198ca/FLAGedd6ccdf0 [2022-09-16 12:45:34,936 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 12:45:34,936 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i [2022-09-16 12:45:34,950 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00b8de877/985bc768166249a3953ddc46bfd198ca/FLAGedd6ccdf0 [2022-09-16 12:45:34,958 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00b8de877/985bc768166249a3953ddc46bfd198ca [2022-09-16 12:45:34,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 12:45:34,961 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 12:45:34,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 12:45:34,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 12:45:34,967 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 12:45:34,968 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 12:45:34" (1/1) ... [2022-09-16 12:45:34,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d47a524 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:45:34, skipping insertion in model container [2022-09-16 12:45:34,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 12:45:34" (1/1) ... [2022-09-16 12:45:34,972 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 12:45:35,014 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 12:45:35,140 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-09-16 12:45:35,318 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_2w1r-1.i[39095,39108] [2022-09-16 12:45:35,321 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_2w1r-1.i[39180,39193] [2022-09-16 12:45:35,321 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_2w1r-1.i[39232,39245] [2022-09-16 12:45:35,376 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_2w1r-1.i[49388,49401] [2022-09-16 12:45:35,377 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_2w1r-1.i[49437,49450] [2022-09-16 12:45:35,380 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_2w1r-1.i[49565,49578] [2022-09-16 12:45:35,380 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_2w1r-1.i[49623,49636] [2022-09-16 12:45:35,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 12:45:35,396 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 12:45:35,408 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-09-16 12:45:35,429 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_2w1r-1.i[39095,39108] [2022-09-16 12:45:35,430 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_2w1r-1.i[39180,39193] [2022-09-16 12:45:35,431 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_2w1r-1.i[39232,39245] [2022-09-16 12:45:35,447 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_2w1r-1.i[49388,49401] [2022-09-16 12:45:35,448 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_2w1r-1.i[49437,49450] [2022-09-16 12:45:35,449 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_2w1r-1.i[49565,49578] [2022-09-16 12:45:35,449 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_2w1r-1.i[49623,49636] [2022-09-16 12:45:35,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 12:45:35,502 INFO L208 MainTranslator]: Completed translation [2022-09-16 12:45:35,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:45:35 WrapperNode [2022-09-16 12:45:35,503 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 12:45:35,503 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 12:45:35,503 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 12:45:35,504 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 12:45:35,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:45:35" (1/1) ... [2022-09-16 12:45:35,525 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:45:35" (1/1) ... [2022-09-16 12:45:35,554 INFO L138 Inliner]: procedures = 310, calls = 70, calls flagged for inlining = 10, calls inlined = 8, statements flattened = 229 [2022-09-16 12:45:35,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 12:45:35,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 12:45:35,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 12:45:35,555 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 12:45:35,560 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:45:35" (1/1) ... [2022-09-16 12:45:35,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:45:35" (1/1) ... [2022-09-16 12:45:35,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:45:35" (1/1) ... [2022-09-16 12:45:35,564 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:45:35" (1/1) ... [2022-09-16 12:45:35,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:45:35" (1/1) ... [2022-09-16 12:45:35,586 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:45:35" (1/1) ... [2022-09-16 12:45:35,587 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:45:35" (1/1) ... [2022-09-16 12:45:35,590 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 12:45:35,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 12:45:35,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 12:45:35,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 12:45:35,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:45:35" (1/1) ... [2022-09-16 12:45:35,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 12:45:35,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:45:35,617 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 12:45:35,628 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 12:45:35,642 INFO L130 BoogieDeclarations]: Found specification of procedure reader_two [2022-09-16 12:45:35,642 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_two [2022-09-16 12:45:35,642 INFO L130 BoogieDeclarations]: Found specification of procedure writer_fn [2022-09-16 12:45:35,642 INFO L138 BoogieDeclarations]: Found implementation of procedure writer_fn [2022-09-16 12:45:35,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 12:45:35,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 12:45:35,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-09-16 12:45:35,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 12:45:35,643 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-09-16 12:45:35,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 12:45:35,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 12:45:35,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 12:45:35,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 12:45:35,644 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 12:45:35,767 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 12:45:35,769 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 12:45:36,033 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 12:45:36,040 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 12:45:36,040 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-09-16 12:45:36,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 12:45:36 BoogieIcfgContainer [2022-09-16 12:45:36,042 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 12:45:36,044 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 12:45:36,045 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 12:45:36,047 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 12:45:36,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 12:45:34" (1/3) ... [2022-09-16 12:45:36,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41ed3d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 12:45:36, skipping insertion in model container [2022-09-16 12:45:36,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:45:35" (2/3) ... [2022-09-16 12:45:36,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41ed3d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 12:45:36, skipping insertion in model container [2022-09-16 12:45:36,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 12:45:36" (3/3) ... [2022-09-16 12:45:36,050 INFO L112 eAbstractionObserver]: Analyzing ICFG ring_2w1r-1.i [2022-09-16 12:45:36,055 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 12:45:36,061 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 12:45:36,062 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2022-09-16 12:45:36,062 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 12:45:36,175 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-09-16 12:45:36,219 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 12:45:36,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-16 12:45:36,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:45:36,220 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 12:45:36,221 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 12:45:36,240 INFO L156 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-16 12:45:36,248 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == writer_fnThread1of1ForFork0 ======== [2022-09-16 12:45:36,252 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;@34a0d993, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 12:45:36,252 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-09-16 12:45:36,418 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting writer_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [writer_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, writer_fnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, writer_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-09-16 12:45:36,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:45:36,423 INFO L85 PathProgramCache]: Analyzing trace with hash -50364907, now seen corresponding path program 1 times [2022-09-16 12:45:36,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:45:36,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565127592] [2022-09-16 12:45:36,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:45:36,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:45:36,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:45:36,641 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 12:45:36,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:45:36,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565127592] [2022-09-16 12:45:36,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565127592] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 12:45:36,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 12:45:36,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 12:45:36,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757258132] [2022-09-16 12:45:36,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 12:45:36,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 12:45:36,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:45:36,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 12:45:36,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 12:45:36,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:36,661 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:45:36,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 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 12:45:36,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:36,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:36,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 12:45:36,693 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting writer_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [writer_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, writer_fnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, writer_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-09-16 12:45:36,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:45:36,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1576764613, now seen corresponding path program 1 times [2022-09-16 12:45:36,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:45:36,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11108594] [2022-09-16 12:45:36,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:45:36,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:45:36,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:45:37,035 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 12:45:37,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:45:37,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11108594] [2022-09-16 12:45:37,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11108594] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 12:45:37,036 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 12:45:37,036 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 12:45:37,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755308384] [2022-09-16 12:45:37,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 12:45:37,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 12:45:37,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:45:37,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 12:45:37,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2022-09-16 12:45:37,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:37,044 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:45:37,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.8125) internal successors, (61), 17 states have internal predecessors, (61), 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 12:45:37,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:37,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:37,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:37,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:45:37,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 12:45:37,690 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting writer_fnErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [writer_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, writer_fnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, writer_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-09-16 12:45:37,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:45:37,690 INFO L85 PathProgramCache]: Analyzing trace with hash -145831177, now seen corresponding path program 1 times [2022-09-16 12:45:37,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:45:37,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585724718] [2022-09-16 12:45:37,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:45:37,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:45:37,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:45:37,841 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 12:45:37,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:45:37,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585724718] [2022-09-16 12:45:37,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585724718] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 12:45:37,846 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 12:45:37,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-09-16 12:45:37,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689534835] [2022-09-16 12:45:37,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 12:45:37,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-09-16 12:45:37,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:45:37,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-09-16 12:45:37,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-09-16 12:45:37,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:37,851 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:45:37,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 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 12:45:37,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:37,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:45:37,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:37,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:37,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:45:37,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-09-16 12:45:37,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 12:45:37,987 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting writer_fnErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [writer_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, writer_fnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, writer_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-09-16 12:45:37,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:45:37,987 INFO L85 PathProgramCache]: Analyzing trace with hash -225798379, now seen corresponding path program 1 times [2022-09-16 12:45:37,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:45:37,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954801123] [2022-09-16 12:45:37,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:45:37,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:45:38,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:45:38,103 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 12:45:38,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:45:38,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954801123] [2022-09-16 12:45:38,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954801123] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 12:45:38,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 12:45:38,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-09-16 12:45:38,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605450070] [2022-09-16 12:45:38,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 12:45:38,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-09-16 12:45:38,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:45:38,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-09-16 12:45:38,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-09-16 12:45:38,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:38,106 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:45:38,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.2) internal successors, (72), 11 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 12:45:38,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:38,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:45:38,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-09-16 12:45:38,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:38,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:38,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:45:38,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-09-16 12:45:38,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-09-16 12:45:38,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 12:45:38,311 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting writer_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [writer_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, writer_fnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, writer_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-09-16 12:45:38,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:45:38,311 INFO L85 PathProgramCache]: Analyzing trace with hash 638754883, now seen corresponding path program 1 times [2022-09-16 12:45:38,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:45:38,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580231204] [2022-09-16 12:45:38,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:45:38,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:45:38,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:45:38,347 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-09-16 12:45:38,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:45:38,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580231204] [2022-09-16 12:45:38,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580231204] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 12:45:38,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 12:45:38,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 12:45:38,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730675279] [2022-09-16 12:45:38,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 12:45:38,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 12:45:38,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:45:38,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 12:45:38,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 12:45:38,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:38,349 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:45:38,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 42.5) internal successors, (85), 3 states have internal predecessors, (85), 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 12:45:38,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:38,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:45:38,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-09-16 12:45:38,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-09-16 12:45:38,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:38,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:38,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:45:38,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-09-16 12:45:38,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-09-16 12:45:38,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:38,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-09-16 12:45:38,367 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting writer_fnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [writer_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, writer_fnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, writer_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-09-16 12:45:38,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:45:38,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1673434319, now seen corresponding path program 1 times [2022-09-16 12:45:38,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:45:38,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313453945] [2022-09-16 12:45:38,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:45:38,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:45:38,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:45:38,409 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:45:38,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:45:38,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313453945] [2022-09-16 12:45:38,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313453945] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-16 12:45:38,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366759887] [2022-09-16 12:45:38,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:45:38,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:45:38,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:45:38,411 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 12:45:38,412 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 12:45:38,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:45:38,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 3 conjunts are in the unsatisfiable core [2022-09-16 12:45:38,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-16 12:45:38,618 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:45:38,619 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-09-16 12:45:38,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [366759887] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 12:45:38,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-09-16 12:45:38,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-09-16 12:45:38,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324910438] [2022-09-16 12:45:38,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 12:45:38,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 12:45:38,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:45:38,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 12:45:38,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-09-16 12:45:38,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:38,620 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:45:38,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 states have internal predecessors, (86), 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 12:45:38,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:38,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:45:38,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-09-16 12:45:38,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-09-16 12:45:38,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:38,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:38,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:38,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:45:38,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:45:38,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:45:38,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:38,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:45:38,721 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 12:45:38,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-09-16 12:45:38,875 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting writer_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [writer_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, writer_fnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, writer_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-09-16 12:45:38,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:45:38,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1021210775, now seen corresponding path program 1 times [2022-09-16 12:45:38,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:45:38,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274840328] [2022-09-16 12:45:38,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:45:38,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:45:38,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:45:39,074 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:45:39,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:45:39,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274840328] [2022-09-16 12:45:39,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274840328] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-16 12:45:39,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [614004294] [2022-09-16 12:45:39,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:45:39,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:45:39,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:45:39,076 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 12:45:39,077 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 12:45:39,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:45:39,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 21 conjunts are in the unsatisfiable core [2022-09-16 12:45:39,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-16 12:45:39,281 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 12:45:39,349 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 19 treesize of output 7 [2022-09-16 12:45:39,351 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:45:39,351 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-16 12:45:39,419 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 30 treesize of output 24 [2022-09-16 12:45:39,482 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:45:39,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [614004294] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-16 12:45:39,482 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-16 12:45:39,482 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 7, 7] total 22 [2022-09-16 12:45:39,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336071277] [2022-09-16 12:45:39,483 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-16 12:45:39,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 12:45:39,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:45:39,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 12:45:39,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2022-09-16 12:45:39,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:39,484 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:45:39,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 8.090909090909092) internal successors, (178), 23 states have internal predecessors, (178), 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 12:45:39,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:39,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:45:39,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:45:39,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:45:39,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:39,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:45:39,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:39,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:39,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:45:39,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:45:39,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:45:39,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:39,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:45:39,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 12:45:39,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-09-16 12:45:40,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:45:40,044 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting writer_fnErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [writer_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, writer_fnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, writer_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-09-16 12:45:40,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:45:40,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1592762152, now seen corresponding path program 1 times [2022-09-16 12:45:40,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:45:40,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830320987] [2022-09-16 12:45:40,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:45:40,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:45:40,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:45:40,249 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:45:40,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:45:40,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830320987] [2022-09-16 12:45:40,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830320987] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-16 12:45:40,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1681523164] [2022-09-16 12:45:40,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:45:40,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:45:40,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:45:40,268 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 12:45:40,269 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 12:45:40,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:45:40,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 21 conjunts are in the unsatisfiable core [2022-09-16 12:45:40,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-16 12:45:40,455 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 12:45:40,537 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 21 treesize of output 9 [2022-09-16 12:45:40,551 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:45:40,551 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-16 12:45:40,648 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 34 treesize of output 28 [2022-09-16 12:45:40,701 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:45:40,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1681523164] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-16 12:45:40,702 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-16 12:45:40,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 7, 7] total 23 [2022-09-16 12:45:40,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061063837] [2022-09-16 12:45:40,702 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-16 12:45:40,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-09-16 12:45:40,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:45:40,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-09-16 12:45:40,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=491, Unknown=0, NotChecked=0, Total=552 [2022-09-16 12:45:40,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:40,703 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:45:40,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 7.913043478260869) internal successors, (182), 24 states have internal predecessors, (182), 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 12:45:40,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:40,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:45:40,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:45:40,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:45:40,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:40,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:45:40,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-09-16 12:45:40,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:41,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:41,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:45:41,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-09-16 12:45:41,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-09-16 12:45:41,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:41,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:45:41,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 12:45:41,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 12:45:41,108 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 12:45:41,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:45:41,277 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting writer_fnErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [writer_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, writer_fnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, writer_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-09-16 12:45:41,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:45:41,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1220870747, now seen corresponding path program 1 times [2022-09-16 12:45:41,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:45:41,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505828972] [2022-09-16 12:45:41,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:45:41,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:45:41,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:45:41,389 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:45:41,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:45:41,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505828972] [2022-09-16 12:45:41,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505828972] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-16 12:45:41,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311398275] [2022-09-16 12:45:41,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:45:41,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:45:41,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:45:41,392 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 12:45:41,393 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 12:45:41,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:45:41,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 11 conjunts are in the unsatisfiable core [2022-09-16 12:45:41,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-16 12:45:41,572 INFO L356 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-09-16 12:45:41,572 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 31 [2022-09-16 12:45:41,608 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-16 12:45:41,608 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 31 treesize of output 20 [2022-09-16 12:45:41,612 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:45:41,612 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-16 12:45:42,861 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 27 treesize of output 23 [2022-09-16 12:45:42,868 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 31 treesize of output 23 [2022-09-16 12:45:43,320 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:45:43,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311398275] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-16 12:45:43,320 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-16 12:45:43,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 20 [2022-09-16 12:45:43,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698923091] [2022-09-16 12:45:43,321 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-16 12:45:43,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-09-16 12:45:43,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:45:43,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-09-16 12:45:43,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=339, Unknown=4, NotChecked=0, Total=420 [2022-09-16 12:45:43,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:43,322 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:45:43,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 9.8) internal successors, (196), 21 states have internal predecessors, (196), 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 12:45:43,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:43,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:45:43,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-09-16 12:45:43,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-09-16 12:45:43,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:43,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:45:43,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-09-16 12:45:43,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-09-16 12:45:43,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:43,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:43,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:45:43,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-09-16 12:45:43,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-09-16 12:45:43,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:43,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:45:43,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 12:45:43,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 12:45:43,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-09-16 12:45:43,630 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 12:45:43,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:45:43,803 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting writer_fnErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [writer_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, writer_fnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, writer_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-09-16 12:45:43,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:45:43,804 INFO L85 PathProgramCache]: Analyzing trace with hash 807713319, now seen corresponding path program 1 times [2022-09-16 12:45:43,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:45:43,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2216134] [2022-09-16 12:45:43,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:45:43,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:45:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:45:43,940 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 12:45:43,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:45:43,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2216134] [2022-09-16 12:45:43,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2216134] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-16 12:45:43,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [150812755] [2022-09-16 12:45:43,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:45:43,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:45:43,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:45:43,942 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 12:45:43,943 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 12:45:44,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:45:44,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 11 conjunts are in the unsatisfiable core [2022-09-16 12:45:44,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-16 12:45:44,098 INFO L356 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-09-16 12:45:44,099 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 28 treesize of output 33 [2022-09-16 12:45:44,140 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-16 12:45:44,140 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 33 treesize of output 22 [2022-09-16 12:45:44,145 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:45:44,145 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-16 12:45:46,679 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 31 treesize of output 27 [2022-09-16 12:45:46,681 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 37 treesize of output 29 [2022-09-16 12:45:46,756 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:45:46,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [150812755] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-16 12:45:46,757 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-16 12:45:46,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 20 [2022-09-16 12:45:46,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384184309] [2022-09-16 12:45:46,757 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-16 12:45:46,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-09-16 12:45:46,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:45:46,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-09-16 12:45:46,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=341, Unknown=2, NotChecked=0, Total=420 [2022-09-16 12:45:46,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:46,758 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:45:46,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 9.85) internal successors, (197), 21 states have internal predecessors, (197), 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 12:45:46,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:46,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:45:46,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-09-16 12:45:46,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-09-16 12:45:46,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:46,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:45:46,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-09-16 12:45:46,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-09-16 12:45:46,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-09-16 12:45:46,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:52,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:52,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:45:52,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:45:52,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:45:52,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:52,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:45:52,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 12:45:52,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 12:45:52,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-09-16 12:45:52,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-09-16 12:45:52,862 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 12:45:53,062 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 12:45:53,063 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting writer_fnErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [writer_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, writer_fnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, writer_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-09-16 12:45:53,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:45:53,063 INFO L85 PathProgramCache]: Analyzing trace with hash -903603630, now seen corresponding path program 1 times [2022-09-16 12:45:53,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:45:53,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483208072] [2022-09-16 12:45:53,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:45:53,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:45:53,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:45:53,111 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-09-16 12:45:53,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:45:53,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483208072] [2022-09-16 12:45:53,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483208072] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 12:45:53,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 12:45:53,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 12:45:53,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093199638] [2022-09-16 12:45:53,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 12:45:53,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 12:45:53,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:45:53,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 12:45:53,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 12:45:53,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:53,114 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:45:53,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 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 12:45:53,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:53,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:45:53,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:45:53,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:45:53,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:53,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:45:53,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-09-16 12:45:53,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-09-16 12:45:53,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-09-16 12:45:53,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-09-16 12:45:53,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:53,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:53,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:45:53,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:45:53,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:45:53,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:53,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:45:53,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 12:45:53,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 12:45:53,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-09-16 12:45:53,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-09-16 12:45:53,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:53,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-09-16 12:45:53,166 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting writer_fnErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [writer_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, writer_fnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, writer_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-09-16 12:45:53,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:45:53,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1529283199, now seen corresponding path program 1 times [2022-09-16 12:45:53,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:45:53,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446370152] [2022-09-16 12:45:53,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:45:53,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:45:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:45:53,217 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-09-16 12:45:53,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:45:53,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446370152] [2022-09-16 12:45:53,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446370152] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 12:45:53,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 12:45:53,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 12:45:53,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39518856] [2022-09-16 12:45:53,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 12:45:53,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 12:45:53,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:45:53,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 12:45:53,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 12:45:53,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:53,219 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:45:53,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 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 12:45:53,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:53,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:45:53,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:45:53,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:45:53,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:53,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:45:53,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-09-16 12:45:53,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-09-16 12:45:53,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-09-16 12:45:53,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-09-16 12:45:53,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:53,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:53,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:53,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:45:53,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:45:53,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:45:53,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:53,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:45:53,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 12:45:53,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 12:45:53,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-09-16 12:45:53,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-09-16 12:45:53,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:53,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:53,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-09-16 12:45:53,267 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting writer_fnErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [writer_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, writer_fnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, writer_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-09-16 12:45:53,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:45:53,267 INFO L85 PathProgramCache]: Analyzing trace with hash -755612810, now seen corresponding path program 1 times [2022-09-16 12:45:53,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:45:53,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572011877] [2022-09-16 12:45:53,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:45:53,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:45:53,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:45:53,771 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 8 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:45:53,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:45:53,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572011877] [2022-09-16 12:45:53,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572011877] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-16 12:45:53,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1437126758] [2022-09-16 12:45:53,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:45:53,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:45:53,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:45:53,773 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 12:45:53,774 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 12:45:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:45:53,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 55 conjunts are in the unsatisfiable core [2022-09-16 12:45:53,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-16 12:45:54,219 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 12:45:54,739 INFO L356 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2022-09-16 12:45:54,739 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 2 case distinctions, treesize of input 79 treesize of output 48 [2022-09-16 12:45:55,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-16 12:45:55,557 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 65 treesize of output 40 [2022-09-16 12:45:55,602 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 63 treesize of output 27 [2022-09-16 12:45:55,630 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 39 proven. 32 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-09-16 12:45:55,630 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-16 12:46:25,416 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_reader_twoThread1of1ForFork1_ring_dequeue_~r#1.offset_15| Int) (v_ArrVal_508 Int) (v_ArrVal_505 Int)) (or (< |c_reader_twoThread1of1ForFork1_#in~arg#1.offset| |v_reader_twoThread1of1ForFork1_ring_dequeue_~r#1.offset_15|) (<= 0 (+ 2147483649 (select (select (let ((.cse0 (store |c_#memory_int| |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.base| (store (select |c_#memory_int| |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.base|) (+ (* |c_writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6#1| 4) 4 |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.offset|) v_ArrVal_505)))) (store .cse0 |c_reader_twoThread1of1ForFork1_#in~arg#1.base| (store (select .cse0 |c_reader_twoThread1of1ForFork1_#in~arg#1.base|) |v_reader_twoThread1of1ForFork1_ring_dequeue_~r#1.offset_15| v_ArrVal_508))) |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.base|) (+ 20 |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.offset|)))))) is different from false [2022-09-16 12:50:01,450 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 1466 treesize of output 1412 [2022-09-16 12:50:29,995 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 39 proven. 30 refuted. 0 times theorem prover too weak. 7 trivial. 2 not checked. [2022-09-16 12:50:29,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1437126758] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-16 12:50:29,996 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-16 12:50:29,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 18, 18] total 55 [2022-09-16 12:50:29,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678592832] [2022-09-16 12:50:29,996 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-16 12:50:29,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2022-09-16 12:50:29,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:50:29,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2022-09-16 12:50:29,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=205, Invalid=2636, Unknown=133, NotChecked=106, Total=3080 [2022-09-16 12:50:29,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:50:29,998 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:50:29,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 55 states have (on average 8.818181818181818) internal successors, (485), 56 states have internal predecessors, (485), 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 12:50:29,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:50:29,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:50:29,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:50:29,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:50:29,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:50:29,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:50:29,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-09-16 12:50:29,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-09-16 12:50:29,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-09-16 12:50:29,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-09-16 12:50:29,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:50:29,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:50:29,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:52:16,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:16,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:52:16,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:52:16,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:52:16,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:16,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:52:16,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 12:52:16,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 12:52:16,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-09-16 12:52:16,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-09-16 12:52:16,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:16,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:16,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-09-16 12:52:16,681 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 12:52:16,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:52:16,862 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting writer_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [writer_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, writer_fnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, writer_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-09-16 12:52:16,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:52:16,863 INFO L85 PathProgramCache]: Analyzing trace with hash -770387215, now seen corresponding path program 1 times [2022-09-16 12:52:16,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:52:16,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345094736] [2022-09-16 12:52:16,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:52:16,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:52:16,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:52:17,399 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 34 proven. 33 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-09-16 12:52:17,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:52:17,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345094736] [2022-09-16 12:52:17,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345094736] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-16 12:52:17,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [87740890] [2022-09-16 12:52:17,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:52:17,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:52:17,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:52:17,402 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 12:52:17,402 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 12:52:17,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:52:17,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 51 conjunts are in the unsatisfiable core [2022-09-16 12:52:17,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-16 12:52:18,227 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 12:52:18,291 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 12:52:18,293 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 4 proven. 33 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2022-09-16 12:52:18,293 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-16 12:52:18,417 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 30 treesize of output 24 [2022-09-16 12:52:18,947 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-09-16 12:52:18,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [87740890] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-16 12:52:18,948 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-16 12:52:18,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 15, 13] total 31 [2022-09-16 12:52:18,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909454210] [2022-09-16 12:52:18,948 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-16 12:52:18,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-09-16 12:52:18,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:52:18,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-09-16 12:52:18,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=906, Unknown=0, NotChecked=0, Total=992 [2022-09-16 12:52:18,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:52:18,949 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:52:18,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 8.225806451612904) internal successors, (255), 32 states have internal predecessors, (255), 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 12:52:18,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:18,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:52:18,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:52:18,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:52:18,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:18,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:52:18,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-09-16 12:52:18,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-09-16 12:52:18,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-09-16 12:52:18,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-09-16 12:52:18,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:18,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:18,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-09-16 12:52:18,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:52:24,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:24,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:52:24,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:52:24,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:52:24,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:24,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:52:24,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 12:52:24,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 12:52:24,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-09-16 12:52:24,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-09-16 12:52:24,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:24,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:24,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-09-16 12:52:24,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-09-16 12:52:24,435 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 12:52:24,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-09-16 12:52:24,628 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting writer_fnErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [writer_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, writer_fnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, writer_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-09-16 12:52:24,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:52:24,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1887800912, now seen corresponding path program 1 times [2022-09-16 12:52:24,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:52:24,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960642699] [2022-09-16 12:52:24,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:52:24,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:52:24,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:52:24,953 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-09-16 12:52:24,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:52:24,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960642699] [2022-09-16 12:52:24,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960642699] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-16 12:52:24,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [759581337] [2022-09-16 12:52:24,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:52:24,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:52:24,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:52:24,955 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 12:52:24,956 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 12:52:25,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:52:25,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 51 conjunts are in the unsatisfiable core [2022-09-16 12:52:25,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-16 12:52:25,651 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 12:52:25,758 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 12:52:25,775 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2022-09-16 12:52:25,776 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-16 12:52:25,864 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 34 treesize of output 28 [2022-09-16 12:52:26,391 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-09-16 12:52:26,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [759581337] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-16 12:52:26,392 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-16 12:52:26,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 13] total 33 [2022-09-16 12:52:26,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682955002] [2022-09-16 12:52:26,392 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-16 12:52:26,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-09-16 12:52:26,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:52:26,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-09-16 12:52:26,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=1029, Unknown=0, NotChecked=0, Total=1122 [2022-09-16 12:52:26,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:52:26,393 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:52:26,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 33 states have (on average 7.696969696969697) internal successors, (254), 34 states have internal predecessors, (254), 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 12:52:26,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:26,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:52:26,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:52:26,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:52:26,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:26,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:52:26,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-09-16 12:52:26,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-09-16 12:52:26,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-09-16 12:52:26,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-09-16 12:52:26,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:26,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:26,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-09-16 12:52:26,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-09-16 12:52:26,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:52:30,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:30,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:52:30,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:52:30,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:52:30,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:30,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:52:30,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 12:52:30,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 12:52:30,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-09-16 12:52:30,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-09-16 12:52:30,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:30,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-09-16 12:52:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 12:52:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-09-16 12:52:30,916 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 12:52:31,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-09-16 12:52:31,101 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting writer_fnErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [writer_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, writer_fnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, writer_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-09-16 12:52:31,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:52:31,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1683045088, now seen corresponding path program 1 times [2022-09-16 12:52:31,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:52:31,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411297641] [2022-09-16 12:52:31,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:52:31,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:52:31,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:52:31,167 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 309 proven. 1 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2022-09-16 12:52:31,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:52:31,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411297641] [2022-09-16 12:52:31,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411297641] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-16 12:52:31,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1536948050] [2022-09-16 12:52:31,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:52:31,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:52:31,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:52:31,169 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 12:52:31,170 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 12:52:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:52:31,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 3 conjunts are in the unsatisfiable core [2022-09-16 12:52:31,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-16 12:52:31,467 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 309 proven. 1 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2022-09-16 12:52:31,467 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-16 12:52:31,582 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 309 proven. 1 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2022-09-16 12:52:31,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1536948050] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-16 12:52:31,582 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-16 12:52:31,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-09-16 12:52:31,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899037218] [2022-09-16 12:52:31,583 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-16 12:52:31,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-09-16 12:52:31,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:52:31,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-09-16 12:52:31,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-09-16 12:52:31,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:52:31,584 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:52:31,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 54.42857142857143) internal successors, (381), 7 states have internal predecessors, (381), 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 12:52:31,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:31,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:52:31,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:52:31,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:52:31,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:31,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:52:31,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-09-16 12:52:31,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-09-16 12:52:31,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-09-16 12:52:31,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-09-16 12:52:31,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:31,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:31,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-09-16 12:52:31,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-09-16 12:52:31,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-09-16 12:52:31,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:52:37,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:37,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:52:37,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:52:37,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:52:37,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:37,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:52:37,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 12:52:37,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 12:52:37,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-09-16 12:52:37,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-09-16 12:52:37,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:37,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:37,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-09-16 12:52:37,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 12:52:37,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-09-16 12:52:37,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 12:52:37,820 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 12:52:38,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-09-16 12:52:38,003 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting writer_fnErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [writer_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, writer_fnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, writer_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-09-16 12:52:38,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:52:38,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1433292327, now seen corresponding path program 1 times [2022-09-16 12:52:38,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:52:38,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270016766] [2022-09-16 12:52:38,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:52:38,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:52:38,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:52:38,174 INFO L134 CoverageAnalysis]: Checked inductivity of 2869 backedges. 1823 proven. 0 refuted. 0 times theorem prover too weak. 1046 trivial. 0 not checked. [2022-09-16 12:52:38,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:52:38,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270016766] [2022-09-16 12:52:38,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270016766] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 12:52:38,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 12:52:38,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 12:52:38,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943687613] [2022-09-16 12:52:38,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 12:52:38,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 12:52:38,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:52:38,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 12:52:38,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 12:52:38,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:52:38,176 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:52:38,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 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 12:52:38,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:38,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:52:38,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:52:38,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:52:38,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:38,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:52:38,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-09-16 12:52:38,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-09-16 12:52:38,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-09-16 12:52:38,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-09-16 12:52:38,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:38,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:38,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-09-16 12:52:38,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-09-16 12:52:38,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-09-16 12:52:38,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-09-16 12:52:38,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:52:45,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:45,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:52:45,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:52:45,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:52:45,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:45,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:52:45,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 12:52:45,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 12:52:45,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-09-16 12:52:45,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-09-16 12:52:45,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:45,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:45,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-09-16 12:52:45,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 12:52:45,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-09-16 12:52:45,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-09-16 12:52:45,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:45,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-09-16 12:52:45,237 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting writer_fnErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [writer_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, writer_fnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, writer_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-09-16 12:52:45,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:52:45,238 INFO L85 PathProgramCache]: Analyzing trace with hash 870820512, now seen corresponding path program 1 times [2022-09-16 12:52:45,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:52:45,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057270824] [2022-09-16 12:52:45,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:52:45,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:52:45,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:52:45,871 INFO L134 CoverageAnalysis]: Checked inductivity of 9441 backedges. 8727 proven. 714 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:52:45,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:52:45,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057270824] [2022-09-16 12:52:45,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057270824] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-16 12:52:45,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [957704114] [2022-09-16 12:52:45,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:52:45,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:52:45,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:52:45,872 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 12:52:45,873 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 12:52:46,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:52:46,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 2088 conjuncts, 10 conjunts are in the unsatisfiable core [2022-09-16 12:52:46,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-16 12:52:46,648 INFO L134 CoverageAnalysis]: Checked inductivity of 9441 backedges. 5218 proven. 0 refuted. 0 times theorem prover too weak. 4223 trivial. 0 not checked. [2022-09-16 12:52:46,648 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-09-16 12:52:46,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [957704114] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 12:52:46,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-09-16 12:52:46,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [27] total 28 [2022-09-16 12:52:46,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367759787] [2022-09-16 12:52:46,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 12:52:46,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-09-16 12:52:46,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:52:46,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-09-16 12:52:46,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=354, Invalid=402, Unknown=0, NotChecked=0, Total=756 [2022-09-16 12:52:46,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:52:46,650 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:52:46,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 44.81818181818182) internal successors, (493), 11 states have internal predecessors, (493), 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 12:52:46,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:46,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:52:46,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:52:46,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:52:46,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:46,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:52:46,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-09-16 12:52:46,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-09-16 12:52:46,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-09-16 12:52:46,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-09-16 12:52:46,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:46,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:46,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-09-16 12:52:46,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-09-16 12:52:46,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-09-16 12:52:46,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-09-16 12:52:46,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:46,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:52:48,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:48,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:52:48,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:52:48,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 12:52:48,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:48,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:52:48,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 12:52:48,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 12:52:48,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-09-16 12:52:48,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-09-16 12:52:48,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:48,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:48,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-09-16 12:52:48,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-09-16 12:52:48,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 12:52:48,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-09-16 12:52:48,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:52:48,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 12:52:48,840 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-09-16 12:52:49,040 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,SelfDestructingSolverStorable17 [2022-09-16 12:52:49,040 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting writer_fnErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [writer_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, writer_fnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, writer_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-09-16 12:52:49,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:52:49,040 INFO L85 PathProgramCache]: Analyzing trace with hash -967985380, now seen corresponding path program 1 times [2022-09-16 12:52:49,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:52:49,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318741857] [2022-09-16 12:52:49,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:52:49,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:52:49,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:52:49,997 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 0 proven. 826 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:52:49,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:52:49,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318741857] [2022-09-16 12:52:49,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318741857] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-16 12:52:49,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133839778] [2022-09-16 12:52:49,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:52:49,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:52:49,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:52:49,998 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 12:52:49,999 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 12:52:50,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:52:50,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 784 conjuncts, 107 conjunts are in the unsatisfiable core [2022-09-16 12:52:50,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-16 12:52:51,886 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 12:52:52,302 INFO L356 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-09-16 12:52:52,302 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-09-16 12:52:53,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-16 12:52:53,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-16 12:52:53,997 INFO L173 IndexEqualityManager]: detected equality via solver [2022-09-16 12:52:54,026 INFO L356 Elim1Store]: treesize reduction 90, result has 23.1 percent of original size [2022-09-16 12:52:54,027 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 78 treesize of output 88 [2022-09-16 12:52:54,387 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-09-16 12:52:54,388 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 79 treesize of output 71 [2022-09-16 12:52:54,463 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-09-16 12:52:54,463 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 33 [2022-09-16 12:52:54,472 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 0 proven. 826 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:52:54,472 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-16 12:52:54,498 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1633 (Array Int Int))) (<= (select (select (store |c_#memory_int| |c_reader_twoThread1of1ForFork1_~#read~0#1.base| v_ArrVal_1633) |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.base|) (+ 20 |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.offset|)) 2147483646)) is different from false [2022-09-16 12:52:54,536 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1633 (Array Int Int)) (v_ArrVal_1632 Int)) (<= (select (select (store (store |c_#memory_int| |c_reader_twoThread1of1ForFork1_ring_dequeue_~r#1.base| (store (select |c_#memory_int| |c_reader_twoThread1of1ForFork1_ring_dequeue_~r#1.base|) |c_reader_twoThread1of1ForFork1_ring_dequeue_~r#1.offset| v_ArrVal_1632)) |c_reader_twoThread1of1ForFork1_~#read~0#1.base| v_ArrVal_1633) |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.base|) (+ 20 |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.offset|)) 2147483646)) is different from false [2022-09-16 12:52:58,007 INFO L356 Elim1Store]: treesize reduction 788, result has 40.3 percent of original size [2022-09-16 12:52:58,007 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 26 case distinctions, treesize of input 1819 treesize of output 2050 [2022-09-16 12:52:58,195 INFO L356 Elim1Store]: treesize reduction 88, result has 43.6 percent of original size [2022-09-16 12:52:58,195 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 11 case distinctions, treesize of input 312 treesize of output 329 [2022-09-16 12:52:58,288 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-16 12:52:58,289 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 292 treesize of output 322 [2022-09-16 12:52:58,355 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 66 treesize of output 58 [2022-09-16 12:53:07,160 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 8 treesize of output 6 [2022-09-16 12:53:07,549 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 8 treesize of output 4 [2022-09-16 12:53:07,934 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 8 treesize of output 4 [2022-09-16 12:53:08,030 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-16 12:53:08,031 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 44 treesize of output 48 [2022-09-16 12:53:08,171 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 8 treesize of output 4 [2022-09-16 12:54:07,004 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-09-16 12:54:07,199 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-09-16 12:54:07,241 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-09-16 12:54:07,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-09-16 12:54:07,354 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 218 treesize of output 204 [2022-09-16 12:54:07,646 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-16 12:54:07,647 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 169 treesize of output 205 [2022-09-16 12:54:11,480 INFO L356 Elim1Store]: treesize reduction 14, result has 57.6 percent of original size [2022-09-16 12:54:11,480 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 161 treesize of output 152 [2022-09-16 12:54:13,169 INFO L356 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-09-16 12:54:13,169 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 126 treesize of output 107 [2022-09-16 12:54:13,537 INFO L356 Elim1Store]: treesize reduction 13, result has 61.8 percent of original size [2022-09-16 12:54:13,538 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 134 treesize of output 129 [2022-09-16 12:54:14,702 INFO L356 Elim1Store]: treesize reduction 14, result has 57.6 percent of original size [2022-09-16 12:54:14,702 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 265 treesize of output 256 [2022-09-16 12:54:16,951 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-16 12:54:16,951 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 274 treesize of output 283 [2022-09-16 12:54:18,773 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-16 12:54:18,773 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 1208 treesize of output 1162 [2022-09-16 12:54:28,202 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-16 12:54:28,202 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1250 treesize of output 1232 [2022-09-16 12:54:34,527 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-16 12:54:34,528 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 6243 treesize of output 6014 [2022-09-16 12:54:34,764 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-16 12:54:34,765 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 5832 treesize of output 5697 Received shutdown request... [2022-09-16 12:59:46,967 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location writer_fnErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-09-16 12:59:46,968 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 12:59:46,971 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 12:59:46,968 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-09-16 12:59:46,991 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-09-16 12:59:47,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:59:47,168 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 365 with TraceHistMax 8,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-29-7-4-8-4-8-5-7-8-8-9-7-9-8-8-7-7-7-7-5-6-3-5-2-2-1 context. [2022-09-16 12:59:47,170 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location writer_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-09-16 12:59:47,170 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location writer_fnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-09-16 12:59:47,170 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location writer_fnErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-09-16 12:59:47,170 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location writer_fnErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-09-16 12:59:47,170 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location writer_fnErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-09-16 12:59:47,170 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location writer_fnErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-09-16 12:59:47,170 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location writer_fnErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-09-16 12:59:47,174 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 12:59:47,175 INFO L307 ceAbstractionStarter]: Result for error location writer_fnThread1of1ForFork0 was TIMEOUT,TIMEOUT,TIMEOUT,TIMEOUT,TIMEOUT,TIMEOUT,TIMEOUT,TIMEOUT (1/3) [2022-09-16 12:59:47,176 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 12:59:47,176 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 12:59:47,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 12:59:47 BasicIcfg [2022-09-16 12:59:47,178 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 12:59:47,179 INFO L158 Benchmark]: Toolchain (without parser) took 852218.01ms. Allocated memory was 175.1MB in the beginning and 805.3MB in the end (delta: 630.2MB). Free memory was 118.2MB in the beginning and 511.7MB in the end (delta: -393.5MB). Peak memory consumption was 538.2MB. Max. memory is 8.0GB. [2022-09-16 12:59:47,179 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 175.1MB. Free memory is still 136.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 12:59:47,180 INFO L158 Benchmark]: CACSL2BoogieTranslator took 537.65ms. Allocated memory was 175.1MB in the beginning and 238.0MB in the end (delta: 62.9MB). Free memory was 117.9MB in the beginning and 189.5MB in the end (delta: -71.6MB). Peak memory consumption was 13.3MB. Max. memory is 8.0GB. [2022-09-16 12:59:47,182 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.22ms. Allocated memory is still 238.0MB. Free memory was 189.4MB in the beginning and 185.8MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-09-16 12:59:47,182 INFO L158 Benchmark]: Boogie Preprocessor took 34.68ms. Allocated memory is still 238.0MB. Free memory was 185.8MB in the beginning and 183.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 12:59:47,182 INFO L158 Benchmark]: RCFGBuilder took 451.54ms. Allocated memory is still 238.0MB. Free memory was 183.7MB in the beginning and 161.1MB in the end (delta: 22.5MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2022-09-16 12:59:47,182 INFO L158 Benchmark]: TraceAbstraction took 851134.14ms. Allocated memory was 238.0MB in the beginning and 805.3MB in the end (delta: 567.3MB). Free memory was 160.6MB in the beginning and 511.7MB in the end (delta: -351.1MB). Peak memory consumption was 517.6MB. Max. memory is 8.0GB. [2022-09-16 12:59:47,184 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 175.1MB. Free memory is still 136.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 537.65ms. Allocated memory was 175.1MB in the beginning and 238.0MB in the end (delta: 62.9MB). Free memory was 117.9MB in the beginning and 189.5MB in the end (delta: -71.6MB). Peak memory consumption was 13.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 51.22ms. Allocated memory is still 238.0MB. Free memory was 189.4MB in the beginning and 185.8MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.68ms. Allocated memory is still 238.0MB. Free memory was 185.8MB in the beginning and 183.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 451.54ms. Allocated memory is still 238.0MB. Free memory was 183.7MB in the beginning and 161.1MB in the end (delta: 22.5MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. * TraceAbstraction took 851134.14ms. Allocated memory was 238.0MB in the beginning and 805.3MB in the end (delta: 567.3MB). Free memory was 160.6MB in the beginning and 511.7MB in the end (delta: -351.1MB). Peak memory consumption was 517.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 70883, positive: 66968, positive conditional: 26817, positive unconditional: 40151, negative: 3915, negative conditional: 3785, negative unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 67476, positive: 66968, positive conditional: 26817, positive unconditional: 40151, negative: 508, negative conditional: 378, negative unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 67476, positive: 66968, positive conditional: 26817, positive unconditional: 40151, negative: 508, negative conditional: 378, negative unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 73217, positive: 66968, positive conditional: 55, positive unconditional: 66913, negative: 6249, negative conditional: 5686, negative unconditional: 563, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 73217, positive: 66968, positive conditional: 55, positive unconditional: 66913, negative: 6249, negative conditional: 2651, negative unconditional: 3598, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 73217, positive: 66968, positive conditional: 55, positive unconditional: 66913, negative: 6249, negative conditional: 2651, negative unconditional: 3598, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 28599, positive: 28105, positive conditional: 5, positive unconditional: 28100, negative: 494, negative conditional: 364, negative unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 28599, positive: 28097, positive conditional: 0, positive unconditional: 28097, negative: 502, negative conditional: 0, negative unconditional: 502, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 502, positive: 8, positive conditional: 5, positive unconditional: 3, negative: 473, negative conditional: 343, negative unconditional: 130, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 11162, positive: 74, positive conditional: 11, positive unconditional: 63, negative: 857, negative conditional: 681, negative unconditional: 176, unknown: 10232, unknown conditional: 10232, unknown unconditional: 0] ], Cache Queries: [ total: 73217, positive: 38863, positive conditional: 50, positive unconditional: 38813, negative: 5755, negative conditional: 2287, negative unconditional: 3468, unknown: 28599, unknown conditional: 369, unknown unconditional: 28230] , Statistics on independence cache: Total cache size (in pairs): 28599, Positive cache size: 28105, Positive conditional cache size: 5, Positive unconditional cache size: 28100, Negative cache size: 494, Negative conditional cache size: 364, Negative unconditional cache size: 130, Eliminated conditions: 3035, Maximal queried relation: 17, Independence queries for same thread: 3407 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.6s, Number of persistent set computation: 4010, Number of trivial persistent sets: 1565, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 40281, positive: 40151, positive conditional: 0, positive unconditional: 40151, negative: 130, negative conditional: 0, negative unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 70883, positive: 66968, positive conditional: 26817, positive unconditional: 40151, negative: 3915, negative conditional: 3785, negative unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 67476, positive: 66968, positive conditional: 26817, positive unconditional: 40151, negative: 508, negative conditional: 378, negative unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 67476, positive: 66968, positive conditional: 26817, positive unconditional: 40151, negative: 508, negative conditional: 378, negative unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 73217, positive: 66968, positive conditional: 55, positive unconditional: 66913, negative: 6249, negative conditional: 5686, negative unconditional: 563, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 73217, positive: 66968, positive conditional: 55, positive unconditional: 66913, negative: 6249, negative conditional: 2651, negative unconditional: 3598, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 73217, positive: 66968, positive conditional: 55, positive unconditional: 66913, negative: 6249, negative conditional: 2651, negative unconditional: 3598, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 28599, positive: 28105, positive conditional: 5, positive unconditional: 28100, negative: 494, negative conditional: 364, negative unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 28599, positive: 28097, positive conditional: 0, positive unconditional: 28097, negative: 502, negative conditional: 0, negative unconditional: 502, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 502, positive: 8, positive conditional: 5, positive unconditional: 3, negative: 473, negative conditional: 343, negative unconditional: 130, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 11162, positive: 74, positive conditional: 11, positive unconditional: 63, negative: 857, negative conditional: 681, negative unconditional: 176, unknown: 10232, unknown conditional: 10232, unknown unconditional: 0] ], Cache Queries: [ total: 73217, positive: 38863, positive conditional: 50, positive unconditional: 38813, negative: 5755, negative conditional: 2287, negative unconditional: 3468, unknown: 28599, unknown conditional: 369, unknown unconditional: 28230] , Statistics on independence cache: Total cache size (in pairs): 28599, Positive cache size: 28105, Positive conditional cache size: 5, Positive unconditional cache size: 28100, Negative cache size: 494, Negative conditional cache size: 364, Negative unconditional cache size: 130, Eliminated conditions: 3035, Maximal queried relation: 17, Independence queries for same thread: 3407 - TimeoutResultAtElement [Line: 812]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 365 with TraceHistMax 8,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-29-7-4-8-4-8-5-7-8-8-9-7-9-8-8-7-7-7-7-5-6-3-5-2-2-1 context. - TimeoutResultAtElement [Line: 845]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 365 with TraceHistMax 8,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-29-7-4-8-4-8-5-7-8-8-9-7-9-8-8-7-7-7-7-5-6-3-5-2-2-1 context. - TimeoutResultAtElement [Line: 845]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 365 with TraceHistMax 8,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-29-7-4-8-4-8-5-7-8-8-9-7-9-8-8-7-7-7-7-5-6-3-5-2-2-1 context. - TimeoutResultAtElement [Line: 810]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 365 with TraceHistMax 8,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-29-7-4-8-4-8-5-7-8-8-9-7-9-8-8-7-7-7-7-5-6-3-5-2-2-1 context. - TimeoutResultAtElement [Line: 810]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 365 with TraceHistMax 8,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-29-7-4-8-4-8-5-7-8-8-9-7-9-8-8-7-7-7-7-5-6-3-5-2-2-1 context. - TimeoutResultAtElement [Line: 812]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 365 with TraceHistMax 8,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-29-7-4-8-4-8-5-7-8-8-9-7-9-8-8-7-7-7-7-5-6-3-5-2-2-1 context. - TimeoutResultAtElement [Line: 843]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 365 with TraceHistMax 8,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-29-7-4-8-4-8-5-7-8-8-9-7-9-8-8-7-7-7-7-5-6-3-5-2-2-1 context. - TimeoutResultAtElement [Line: 843]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 365 with TraceHistMax 8,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-29-7-4-8-4-8-5-7-8-8-9-7-9-8-8-7-7-7-7-5-6-3-5-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: writer_fnThread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 414 locations, 46 error locations. Started 1 CEGAR loops. OverallTime: 851.0s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 140.5s, 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: 296, 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: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 287.9s InterpolantComputationTime, 6273 NumberOfCodeBlocks, 6273 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 7545 ConstructedInterpolants, 101 QuantifiedInterpolants, 34274 SizeOfPredicates, 141 NumberOfNonLiveVariables, 5444 ConjunctsInSsa, 237 ConjunctsInUnsatCore, 36 InterpolantComputations, 10 PerfectInterpolantSequences, 23242/24459 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