/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 --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-two-queue.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-19 23:59:05,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-19 23:59:05,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-19 23:59:05,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-19 23:59:05,286 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-19 23:59:05,288 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-19 23:59:05,290 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-19 23:59:05,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-19 23:59:05,294 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-19 23:59:05,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-19 23:59:05,298 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-19 23:59:05,300 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-19 23:59:05,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-19 23:59:05,301 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-19 23:59:05,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-19 23:59:05,303 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-19 23:59:05,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-19 23:59:05,304 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-19 23:59:05,306 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-19 23:59:05,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-19 23:59:05,310 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-19 23:59:05,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-19 23:59:05,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-19 23:59:05,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-19 23:59:05,317 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-19 23:59:05,317 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-19 23:59:05,317 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-19 23:59:05,318 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-19 23:59:05,319 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-19 23:59:05,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-19 23:59:05,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-19 23:59:05,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-19 23:59:05,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-19 23:59:05,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-19 23:59:05,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-19 23:59:05,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-19 23:59:05,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-19 23:59:05,322 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-19 23:59:05,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-19 23:59:05,323 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-19 23:59:05,323 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-19 23:59:05,324 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-19 23:59:05,345 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-19 23:59:05,346 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-19 23:59:05,346 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-19 23:59:05,346 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-19 23:59:05,347 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-19 23:59:05,347 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-19 23:59:05,347 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-19 23:59:05,347 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-19 23:59:05,347 INFO L138 SettingsManager]: * Use SBE=true [2023-05-19 23:59:05,347 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-19 23:59:05,348 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-19 23:59:05,348 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-19 23:59:05,348 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-19 23:59:05,348 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-19 23:59:05,348 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-19 23:59:05,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-19 23:59:05,348 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-19 23:59:05,349 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-19 23:59:05,349 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-19 23:59:05,349 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-19 23:59:05,349 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-19 23:59:05,349 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-19 23:59:05,349 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-19 23:59:05,350 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-19 23:59:05,350 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-19 23:59:05,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 23:59:05,350 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-19 23:59:05,350 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-19 23:59:05,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-19 23:59:05,350 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-19 23:59:05,350 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-19 23:59:05,350 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-19 23:59:05,351 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-19 23:59:05,351 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-19 23:59:05,351 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-19 23:59:05,351 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-19 23:59:05,351 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> true [2023-05-19 23:59:05,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-19 23:59:05,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-19 23:59:05,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-19 23:59:05,502 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-19 23:59:05,503 INFO L275 PluginConnector]: CDTParser initialized [2023-05-19 23:59:05,504 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-two-queue.wvr.c [2023-05-19 23:59:05,540 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c11b3f259/d900480b8b964b64a703fba9c40d802d/FLAG3e236bebc [2023-05-19 23:59:05,825 INFO L306 CDTParser]: Found 1 translation units. [2023-05-19 23:59:05,825 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-two-queue.wvr.c [2023-05-19 23:59:05,833 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c11b3f259/d900480b8b964b64a703fba9c40d802d/FLAG3e236bebc [2023-05-19 23:59:06,265 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c11b3f259/d900480b8b964b64a703fba9c40d802d [2023-05-19 23:59:06,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-19 23:59:06,268 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-19 23:59:06,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-19 23:59:06,270 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-19 23:59:06,272 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-19 23:59:06,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.05 11:59:06" (1/1) ... [2023-05-19 23:59:06,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70e4c1f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:59:06, skipping insertion in model container [2023-05-19 23:59:06,274 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.05 11:59:06" (1/1) ... [2023-05-19 23:59:06,279 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-19 23:59:06,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-19 23:59:06,441 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-two-queue.wvr.c[2987,3000] [2023-05-19 23:59:06,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-19 23:59:06,452 INFO L203 MainTranslator]: Completed pre-run [2023-05-19 23:59:06,465 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-two-queue.wvr.c[2987,3000] [2023-05-19 23:59:06,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-19 23:59:06,476 INFO L208 MainTranslator]: Completed translation [2023-05-19 23:59:06,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:59:06 WrapperNode [2023-05-19 23:59:06,477 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-19 23:59:06,478 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-19 23:59:06,478 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-19 23:59:06,478 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-19 23:59:06,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:59:06" (1/1) ... [2023-05-19 23:59:06,488 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:59:06" (1/1) ... [2023-05-19 23:59:06,503 INFO L138 Inliner]: procedures = 24, calls = 43, calls flagged for inlining = 13, calls inlined = 15, statements flattened = 200 [2023-05-19 23:59:06,503 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-19 23:59:06,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-19 23:59:06,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-19 23:59:06,504 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-19 23:59:06,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:59:06" (1/1) ... [2023-05-19 23:59:06,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:59:06" (1/1) ... [2023-05-19 23:59:06,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:59:06" (1/1) ... [2023-05-19 23:59:06,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:59:06" (1/1) ... [2023-05-19 23:59:06,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:59:06" (1/1) ... [2023-05-19 23:59:06,530 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:59:06" (1/1) ... [2023-05-19 23:59:06,531 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:59:06" (1/1) ... [2023-05-19 23:59:06,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:59:06" (1/1) ... [2023-05-19 23:59:06,534 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-19 23:59:06,535 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-19 23:59:06,535 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-19 23:59:06,535 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-19 23:59:06,537 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:59:06" (1/1) ... [2023-05-19 23:59:06,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 23:59:06,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 23:59:06,570 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) [2023-05-19 23:59:06,576 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 [2023-05-19 23:59:06,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-19 23:59:06,595 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-19 23:59:06,595 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-19 23:59:06,595 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-19 23:59:06,598 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-19 23:59:06,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-19 23:59:06,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-19 23:59:06,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-19 23:59:06,599 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-19 23:59:06,599 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-19 23:59:06,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-19 23:59:06,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-19 23:59:06,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-19 23:59:06,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-19 23:59:06,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-19 23:59:06,602 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-19 23:59:06,668 INFO L235 CfgBuilder]: Building ICFG [2023-05-19 23:59:06,670 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-19 23:59:06,892 INFO L276 CfgBuilder]: Performing block encoding [2023-05-19 23:59:06,982 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-19 23:59:06,982 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2023-05-19 23:59:06,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 11:59:06 BoogieIcfgContainer [2023-05-19 23:59:06,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-19 23:59:06,986 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-19 23:59:06,986 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-19 23:59:06,998 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-19 23:59:06,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.05 11:59:06" (1/3) ... [2023-05-19 23:59:06,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c473449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.05 11:59:06, skipping insertion in model container [2023-05-19 23:59:06,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:59:06" (2/3) ... [2023-05-19 23:59:06,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c473449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.05 11:59:06, skipping insertion in model container [2023-05-19 23:59:06,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 11:59:06" (3/3) ... [2023-05-19 23:59:07,000 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-two-queue.wvr.c [2023-05-19 23:59:07,005 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-19 23:59:07,012 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-19 23:59:07,012 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-19 23:59:07,012 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-19 23:59:07,055 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-19 23:59:07,093 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 23:59:07,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-19 23:59:07,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 23:59:07,095 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) [2023-05-19 23:59:07,113 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 [2023-05-19 23:59:07,124 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-19 23:59:07,143 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-19 23:59:07,147 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;@3e589c0e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 23:59:07,147 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-19 23:59:07,298 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 23:59:07,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 23:59:07,302 INFO L85 PathProgramCache]: Analyzing trace with hash 358637786, now seen corresponding path program 1 times [2023-05-19 23:59:07,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 23:59:07,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682177342] [2023-05-19 23:59:07,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:59:07,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 23:59:07,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:59:07,509 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 23:59:07,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 23:59:07,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682177342] [2023-05-19 23:59:07,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682177342] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 23:59:07,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 23:59:07,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-19 23:59:07,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288716225] [2023-05-19 23:59:07,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 23:59:07,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-19 23:59:07,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 23:59:07,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-19 23:59:07,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-19 23:59:07,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:07,533 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 23:59:07,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 68.0) internal successors, (136), 2 states have internal predecessors, (136), 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) [2023-05-19 23:59:07,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:07,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:07,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-19 23:59:07,569 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 23:59:07,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 23:59:07,570 INFO L85 PathProgramCache]: Analyzing trace with hash 455818695, now seen corresponding path program 1 times [2023-05-19 23:59:07,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 23:59:07,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586472357] [2023-05-19 23:59:07,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:59:07,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 23:59:07,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:59:07,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 23:59:07,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 23:59:07,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586472357] [2023-05-19 23:59:07,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586472357] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 23:59:07,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 23:59:07,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-19 23:59:07,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865053813] [2023-05-19 23:59:07,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 23:59:07,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-19 23:59:07,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 23:59:07,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-19 23:59:07,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-05-19 23:59:07,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:07,936 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 23:59:07,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 5 states have internal predecessors, (133), 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) [2023-05-19 23:59:07,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:07,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:08,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:08,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 23:59:08,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-19 23:59:08,024 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 23:59:08,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 23:59:08,025 INFO L85 PathProgramCache]: Analyzing trace with hash -591710895, now seen corresponding path program 1 times [2023-05-19 23:59:08,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 23:59:08,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946719503] [2023-05-19 23:59:08,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:59:08,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 23:59:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:59:08,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 23:59:08,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 23:59:08,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946719503] [2023-05-19 23:59:08,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946719503] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 23:59:08,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 23:59:08,345 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-19 23:59:08,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393403233] [2023-05-19 23:59:08,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 23:59:08,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-19 23:59:08,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 23:59:08,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-19 23:59:08,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-05-19 23:59:08,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:08,349 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 23:59:08,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.166666666666668) internal successors, (127), 6 states have internal predecessors, (127), 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) [2023-05-19 23:59:08,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:08,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 23:59:08,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:08,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:08,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 23:59:08,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:59:08,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-19 23:59:08,556 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 23:59:08,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 23:59:08,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1469171245, now seen corresponding path program 1 times [2023-05-19 23:59:08,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 23:59:08,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162608550] [2023-05-19 23:59:08,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:59:08,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 23:59:08,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:59:08,712 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 23:59:08,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 23:59:08,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162608550] [2023-05-19 23:59:08,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162608550] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 23:59:08,715 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 23:59:08,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-19 23:59:08,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41462848] [2023-05-19 23:59:08,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 23:59:08,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-19 23:59:08,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 23:59:08,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-19 23:59:08,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-19 23:59:08,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:08,718 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 23:59:08,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 6 states have internal predecessors, (139), 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) [2023-05-19 23:59:08,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:08,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 23:59:08,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:59:08,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:08,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:08,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 23:59:08,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:59:08,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:59:08,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-19 23:59:08,800 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 23:59:08,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 23:59:08,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1428499865, now seen corresponding path program 1 times [2023-05-19 23:59:08,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 23:59:08,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670527746] [2023-05-19 23:59:08,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:59:08,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 23:59:08,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:59:08,939 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 23:59:08,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 23:59:08,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670527746] [2023-05-19 23:59:08,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670527746] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 23:59:08,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 23:59:08,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-19 23:59:08,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139221233] [2023-05-19 23:59:08,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 23:59:08,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-19 23:59:08,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 23:59:08,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-19 23:59:08,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-19 23:59:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:08,942 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 23:59:08,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.333333333333332) internal successors, (146), 6 states have internal predecessors, (146), 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) [2023-05-19 23:59:08,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:08,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 23:59:08,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:59:08,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:59:08,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:09,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:09,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 23:59:09,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:59:09,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:59:09,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 23:59:09,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-05-19 23:59:09,016 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 23:59:09,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 23:59:09,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1513829014, now seen corresponding path program 1 times [2023-05-19 23:59:09,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 23:59:09,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826723536] [2023-05-19 23:59:09,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:59:09,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 23:59:09,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:59:09,222 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-19 23:59:09,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 23:59:09,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826723536] [2023-05-19 23:59:09,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826723536] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 23:59:09,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 23:59:09,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-19 23:59:09,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126091141] [2023-05-19 23:59:09,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 23:59:09,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-19 23:59:09,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 23:59:09,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-19 23:59:09,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-19 23:59:09,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:09,225 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 23:59:09,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 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) [2023-05-19 23:59:09,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:09,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 23:59:09,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:59:09,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:59:09,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 23:59:09,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:09,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:09,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 23:59:09,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:59:09,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:59:09,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 23:59:09,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 23:59:09,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-05-19 23:59:09,309 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 23:59:09,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 23:59:09,310 INFO L85 PathProgramCache]: Analyzing trace with hash 538849716, now seen corresponding path program 2 times [2023-05-19 23:59:09,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 23:59:09,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657638711] [2023-05-19 23:59:09,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:59:09,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 23:59:09,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:59:09,588 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 23:59:09,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 23:59:09,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657638711] [2023-05-19 23:59:09,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657638711] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 23:59:09,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1676004111] [2023-05-19 23:59:09,592 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 23:59:09,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 23:59:09,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 23:59:09,593 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) [2023-05-19 23:59:09,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-19 23:59:09,703 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 23:59:09,703 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 23:59:09,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-19 23:59:09,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 23:59:09,957 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 23:59:09,957 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 23:59:10,179 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 23:59:10,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1676004111] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 23:59:10,179 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 23:59:10,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2023-05-19 23:59:10,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871571808] [2023-05-19 23:59:10,180 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 23:59:10,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-19 23:59:10,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 23:59:10,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-19 23:59:10,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2023-05-19 23:59:10,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:10,182 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 23:59:10,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 12.631578947368421) internal successors, (240), 19 states have internal predecessors, (240), 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) [2023-05-19 23:59:10,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:10,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 23:59:10,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:59:10,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:59:10,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 23:59:10,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 23:59:10,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:10,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:10,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 23:59:10,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:59:10,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:59:10,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 23:59:10,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 23:59:10,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 23:59:10,385 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-19 23:59:10,581 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,SelfDestructingSolverStorable6 [2023-05-19 23:59:10,581 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 23:59:10,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 23:59:10,582 INFO L85 PathProgramCache]: Analyzing trace with hash 808095107, now seen corresponding path program 3 times [2023-05-19 23:59:10,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 23:59:10,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388058600] [2023-05-19 23:59:10,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:59:10,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 23:59:10,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:59:10,730 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-19 23:59:10,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 23:59:10,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388058600] [2023-05-19 23:59:10,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388058600] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 23:59:10,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1841393106] [2023-05-19 23:59:10,731 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 23:59:10,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 23:59:10,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 23:59:10,746 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) [2023-05-19 23:59:10,759 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-19 23:59:10,887 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-05-19 23:59:10,887 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 23:59:10,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-19 23:59:10,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 23:59:11,246 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-19 23:59:11,246 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 23:59:11,794 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-19 23:59:11,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1841393106] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 23:59:11,794 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 23:59:11,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 11, 11] total 22 [2023-05-19 23:59:11,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693170179] [2023-05-19 23:59:11,794 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 23:59:11,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-05-19 23:59:11,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 23:59:11,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-05-19 23:59:11,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2023-05-19 23:59:11,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:11,796 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 23:59:11,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 16.136363636363637) internal successors, (355), 22 states have internal predecessors, (355), 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) [2023-05-19 23:59:11,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:11,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 23:59:11,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:59:11,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:59:11,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 23:59:11,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 23:59:11,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 23:59:11,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:12,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:12,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 23:59:12,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:59:12,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:59:12,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 23:59:12,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 23:59:12,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 23:59:12,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-19 23:59:12,126 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-19 23:59:12,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 23:59:12,324 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 23:59:12,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 23:59:12,325 INFO L85 PathProgramCache]: Analyzing trace with hash -543989469, now seen corresponding path program 4 times [2023-05-19 23:59:12,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 23:59:12,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879502682] [2023-05-19 23:59:12,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:59:12,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 23:59:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:59:12,591 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 32 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-05-19 23:59:12,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 23:59:12,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879502682] [2023-05-19 23:59:12,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879502682] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 23:59:12,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [142140811] [2023-05-19 23:59:12,592 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-19 23:59:12,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 23:59:12,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 23:59:12,593 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) [2023-05-19 23:59:12,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-19 23:59:12,719 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-19 23:59:12,719 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 23:59:12,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-19 23:59:12,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 23:59:12,993 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 37 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-05-19 23:59:12,993 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 23:59:13,333 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 25 proven. 21 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-05-19 23:59:13,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [142140811] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 23:59:13,334 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 23:59:13,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 31 [2023-05-19 23:59:13,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067924960] [2023-05-19 23:59:13,334 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 23:59:13,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-05-19 23:59:13,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 23:59:13,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-05-19 23:59:13,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=808, Unknown=0, NotChecked=0, Total=930 [2023-05-19 23:59:13,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:13,336 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 23:59:13,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 11.290322580645162) internal successors, (350), 31 states have internal predecessors, (350), 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) [2023-05-19 23:59:13,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:13,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 23:59:13,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:59:13,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:59:13,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 23:59:13,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 23:59:13,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 23:59:13,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-19 23:59:13,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:13,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:13,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 23:59:13,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:59:13,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:59:13,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 23:59:13,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 23:59:13,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 23:59:13,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-19 23:59:13,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-19 23:59:13,945 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-19 23:59:14,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 23:59:14,137 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 23:59:14,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 23:59:14,138 INFO L85 PathProgramCache]: Analyzing trace with hash -36654432, now seen corresponding path program 5 times [2023-05-19 23:59:14,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 23:59:14,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880180883] [2023-05-19 23:59:14,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:59:14,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 23:59:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:59:14,341 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-05-19 23:59:14,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 23:59:14,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880180883] [2023-05-19 23:59:14,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880180883] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 23:59:14,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 23:59:14,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-19 23:59:14,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3767057] [2023-05-19 23:59:14,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 23:59:14,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-19 23:59:14,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 23:59:14,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-19 23:59:14,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-05-19 23:59:14,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:14,343 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 23:59:14,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 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) [2023-05-19 23:59:14,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:14,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 23:59:14,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:59:14,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:59:14,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 23:59:14,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 23:59:14,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 23:59:14,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-19 23:59:14,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-19 23:59:14,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:14,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:14,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 23:59:14,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:59:14,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:59:14,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 23:59:14,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 23:59:14,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 23:59:14,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-19 23:59:14,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-19 23:59:14,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 23:59:14,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-05-19 23:59:14,380 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 23:59:14,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 23:59:14,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1069444994, now seen corresponding path program 6 times [2023-05-19 23:59:14,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 23:59:14,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096897057] [2023-05-19 23:59:14,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:59:14,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 23:59:14,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:59:14,714 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 44 proven. 62 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-05-19 23:59:14,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 23:59:14,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096897057] [2023-05-19 23:59:14,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096897057] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 23:59:14,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1633017330] [2023-05-19 23:59:14,715 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-19 23:59:14,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 23:59:14,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 23:59:14,716 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) [2023-05-19 23:59:14,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-19 23:59:14,909 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2023-05-19 23:59:14,910 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 23:59:14,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 16 conjunts are in the unsatisfiable core [2023-05-19 23:59:14,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 23:59:15,315 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 86 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-19 23:59:15,315 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 23:59:15,769 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 55 proven. 55 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-19 23:59:15,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1633017330] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 23:59:15,770 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 23:59:15,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16, 16] total 40 [2023-05-19 23:59:15,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895612718] [2023-05-19 23:59:15,770 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 23:59:15,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2023-05-19 23:59:15,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 23:59:15,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2023-05-19 23:59:15,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=293, Invalid=1267, Unknown=0, NotChecked=0, Total=1560 [2023-05-19 23:59:15,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:15,772 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 23:59:15,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 10.425) internal successors, (417), 40 states have internal predecessors, (417), 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) [2023-05-19 23:59:15,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:15,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 23:59:15,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:59:15,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:59:15,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 23:59:15,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 23:59:15,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 23:59:15,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-19 23:59:15,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-19 23:59:15,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 23:59:15,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:16,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:16,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 23:59:16,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:59:16,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:59:16,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 23:59:16,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 23:59:16,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 23:59:16,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-19 23:59:16,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-19 23:59:16,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 23:59:16,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-19 23:59:16,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-19 23:59:16,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-05-19 23:59:16,389 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 23:59:16,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 23:59:16,389 INFO L85 PathProgramCache]: Analyzing trace with hash 117391102, now seen corresponding path program 7 times [2023-05-19 23:59:16,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 23:59:16,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256095147] [2023-05-19 23:59:16,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:59:16,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 23:59:16,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:59:16,617 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 35 proven. 26 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-05-19 23:59:16,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 23:59:16,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256095147] [2023-05-19 23:59:16,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256095147] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 23:59:16,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1129287915] [2023-05-19 23:59:16,618 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-19 23:59:16,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 23:59:16,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 23:59:16,619 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) [2023-05-19 23:59:16,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-19 23:59:16,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:59:16,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 21 conjunts are in the unsatisfiable core [2023-05-19 23:59:16,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 23:59:17,293 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 79 proven. 29 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2023-05-19 23:59:17,294 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 23:59:18,185 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 63 proven. 45 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2023-05-19 23:59:18,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1129287915] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 23:59:18,185 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 23:59:18,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 18, 18] total 37 [2023-05-19 23:59:18,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308251655] [2023-05-19 23:59:18,185 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 23:59:18,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-05-19 23:59:18,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 23:59:18,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-05-19 23:59:18,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=334, Invalid=998, Unknown=0, NotChecked=0, Total=1332 [2023-05-19 23:59:18,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:18,187 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 23:59:18,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 11.513513513513514) internal successors, (426), 37 states have internal predecessors, (426), 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) [2023-05-19 23:59:18,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:18,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 23:59:18,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:59:18,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:59:18,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 23:59:18,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 23:59:18,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 23:59:18,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-19 23:59:18,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-19 23:59:18,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 23:59:18,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-19 23:59:18,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:18,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:18,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 23:59:18,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:59:18,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:59:18,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 23:59:18,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 23:59:18,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 23:59:18,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-19 23:59:18,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-19 23:59:18,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 23:59:18,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-19 23:59:18,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-19 23:59:18,894 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-05-19 23:59:19,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 23:59:19,085 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 23:59:19,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 23:59:19,086 INFO L85 PathProgramCache]: Analyzing trace with hash 131804566, now seen corresponding path program 8 times [2023-05-19 23:59:19,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 23:59:19,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312706866] [2023-05-19 23:59:19,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:59:19,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 23:59:19,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:59:28,277 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 23:59:28,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 23:59:28,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312706866] [2023-05-19 23:59:28,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312706866] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 23:59:28,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346806436] [2023-05-19 23:59:28,277 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 23:59:28,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 23:59:28,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 23:59:28,278 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) [2023-05-19 23:59:28,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-19 23:59:28,479 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 23:59:28,479 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 23:59:28,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 105 conjunts are in the unsatisfiable core [2023-05-19 23:59:28,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 23:59:32,908 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 23:59:32,909 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 47 treesize of output 35 [2023-05-19 23:59:33,184 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 2 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 23:59:33,184 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 23:59:34,744 INFO L356 Elim1Store]: treesize reduction 30, result has 87.6 percent of original size [2023-05-19 23:59:34,744 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 90 treesize of output 242 [2023-05-19 23:59:42,036 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 2 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 23:59:42,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [346806436] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 23:59:42,037 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 23:59:42,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 54, 54] total 161 [2023-05-19 23:59:42,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610020063] [2023-05-19 23:59:42,037 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 23:59:42,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 161 states [2023-05-19 23:59:42,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 23:59:42,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 161 interpolants. [2023-05-19 23:59:42,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2282, Invalid=23478, Unknown=0, NotChecked=0, Total=25760 [2023-05-19 23:59:42,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:42,044 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 23:59:42,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 161 states, 161 states have (on average 3.739130434782609) internal successors, (602), 161 states have internal predecessors, (602), 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) [2023-05-19 23:59:42,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:42,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 23:59:42,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:59:42,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:59:42,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 23:59:42,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 23:59:42,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-19 23:59:42,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-19 23:59:42,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-19 23:59:42,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 23:59:42,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-19 23:59:42,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-19 23:59:42,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:50,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:59:50,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 23:59:50,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:59:50,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:59:50,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 23:59:50,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 23:59:50,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-19 23:59:50,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-19 23:59:50,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-19 23:59:50,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 23:59:50,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-19 23:59:50,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-19 23:59:50,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-19 23:59:50,856 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-19 23:59:51,056 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 [2023-05-19 23:59:51,057 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 23:59:51,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 23:59:51,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1709811402, now seen corresponding path program 9 times [2023-05-19 23:59:51,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 23:59:51,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310031898] [2023-05-19 23:59:51,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:59:51,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 23:59:51,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:59:59,147 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 3 proven. 263 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 23:59:59,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 23:59:59,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310031898] [2023-05-19 23:59:59,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310031898] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 23:59:59,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [62969952] [2023-05-19 23:59:59,148 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 23:59:59,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 23:59:59,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 23:59:59,149 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) [2023-05-19 23:59:59,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-19 23:59:59,694 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-05-19 23:59:59,694 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 23:59:59,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 52 conjunts are in the unsatisfiable core [2023-05-19 23:59:59,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 00:00:01,020 INFO L356 Elim1Store]: treesize reduction 29, result has 45.3 percent of original size [2023-05-20 00:00:01,021 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 38 [2023-05-20 00:00:01,231 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 2 proven. 52 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2023-05-20 00:00:01,231 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 00:00:02,266 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 00:00:02,267 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 88 treesize of output 280 [2023-05-20 00:00:15,641 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-05-20 00:00:15,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [62969952] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 00:00:15,641 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 00:00:15,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75, 21, 28] total 112 [2023-05-20 00:00:15,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218696815] [2023-05-20 00:00:15,642 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 00:00:15,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 112 states [2023-05-20 00:00:15,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 00:00:15,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2023-05-20 00:00:15,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=680, Invalid=11752, Unknown=0, NotChecked=0, Total=12432 [2023-05-20 00:00:15,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:00:15,646 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 00:00:15,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 112 states, 112 states have (on average 4.723214285714286) internal successors, (529), 112 states have internal predecessors, (529), 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) [2023-05-20 00:00:15,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:00:15,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 00:00:15,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 00:00:15,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 00:00:15,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 00:00:15,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 00:00:15,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 00:00:15,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 00:00:15,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-20 00:00:15,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 00:00:15,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 00:00:15,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-20 00:00:15,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-20 00:00:15,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:00:23,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:00:23,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 00:00:23,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 00:00:23,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 00:00:23,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 00:00:23,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 00:00:23,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 00:00:23,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 00:00:23,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-20 00:00:23,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 00:00:23,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 00:00:23,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-20 00:00:23,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-20 00:00:23,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-05-20 00:00:23,778 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-05-20 00:00:23,973 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 [2023-05-20 00:00:23,974 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 00:00:23,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 00:00:23,974 INFO L85 PathProgramCache]: Analyzing trace with hash -351727876, now seen corresponding path program 10 times [2023-05-20 00:00:23,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 00:00:23,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963538395] [2023-05-20 00:00:23,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 00:00:23,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 00:00:24,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 00:00:24,408 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 110 proven. 134 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2023-05-20 00:00:24,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 00:00:24,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963538395] [2023-05-20 00:00:24,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963538395] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 00:00:24,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139995500] [2023-05-20 00:00:24,409 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-20 00:00:24,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 00:00:24,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 00:00:24,410 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) [2023-05-20 00:00:24,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-20 00:00:24,535 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-20 00:00:24,535 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 00:00:24,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 21 conjunts are in the unsatisfiable core [2023-05-20 00:00:24,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 00:00:25,031 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 166 proven. 75 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2023-05-20 00:00:25,031 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 00:00:25,540 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 132 proven. 109 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2023-05-20 00:00:25,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139995500] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 00:00:25,540 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 00:00:25,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 55 [2023-05-20 00:00:25,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479224910] [2023-05-20 00:00:25,540 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 00:00:25,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2023-05-20 00:00:25,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 00:00:25,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2023-05-20 00:00:25,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=481, Invalid=2489, Unknown=0, NotChecked=0, Total=2970 [2023-05-20 00:00:25,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:00:25,542 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 00:00:25,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 8.309090909090909) internal successors, (457), 55 states have internal predecessors, (457), 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) [2023-05-20 00:00:25,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:00:25,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 00:00:25,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 00:00:25,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 00:00:25,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 00:00:25,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 00:00:25,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 00:00:25,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 00:00:25,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-20 00:00:25,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 00:00:25,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 00:00:25,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-20 00:00:25,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-20 00:00:25,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-05-20 00:00:25,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:00:26,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:00:26,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 00:00:26,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 00:00:26,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 00:00:26,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 00:00:26,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 00:00:26,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 00:00:26,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 00:00:26,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-20 00:00:26,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 00:00:26,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 00:00:26,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-20 00:00:26,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-20 00:00:26,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-05-20 00:00:26,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-20 00:00:26,072 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-05-20 00:00:26,256 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 [2023-05-20 00:00:26,257 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 00:00:26,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 00:00:26,257 INFO L85 PathProgramCache]: Analyzing trace with hash -536662709, now seen corresponding path program 11 times [2023-05-20 00:00:26,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 00:00:26,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055542157] [2023-05-20 00:00:26,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 00:00:26,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 00:00:26,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 00:00:26,777 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 159 proven. 123 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2023-05-20 00:00:26,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 00:00:26,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055542157] [2023-05-20 00:00:26,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055542157] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 00:00:26,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1801556294] [2023-05-20 00:00:26,777 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-20 00:00:26,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 00:00:26,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 00:00:26,779 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) [2023-05-20 00:00:26,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-20 00:00:27,330 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2023-05-20 00:00:27,331 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 00:00:27,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-20 00:00:27,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 00:00:27,593 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 82 proven. 36 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2023-05-20 00:00:27,593 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 00:00:28,280 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 72 proven. 87 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2023-05-20 00:00:28,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1801556294] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 00:00:28,281 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 00:00:28,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 5, 11] total 36 [2023-05-20 00:00:28,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752714173] [2023-05-20 00:00:28,281 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 00:00:28,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2023-05-20 00:00:28,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 00:00:28,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2023-05-20 00:00:28,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=1090, Unknown=0, NotChecked=0, Total=1260 [2023-05-20 00:00:28,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:00:28,282 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 00:00:28,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 13.777777777777779) internal successors, (496), 36 states have internal predecessors, (496), 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) [2023-05-20 00:00:28,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:00:28,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 00:00:28,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 00:00:28,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 00:00:28,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 00:00:28,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 00:00:28,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 00:00:28,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 00:00:28,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-20 00:00:28,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 00:00:28,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 00:00:28,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-20 00:00:28,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-20 00:00:28,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-05-20 00:00:28,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-20 00:00:28,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:00:28,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:00:28,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 00:00:28,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 00:00:28,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 00:00:28,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 00:00:28,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 00:00:28,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 00:00:28,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 00:00:28,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-20 00:00:28,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 00:00:28,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 00:00:28,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-20 00:00:28,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-20 00:00:28,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-05-20 00:00:28,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-20 00:00:28,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-20 00:00:28,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-05-20 00:00:29,162 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 [2023-05-20 00:00:29,163 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 00:00:29,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 00:00:29,163 INFO L85 PathProgramCache]: Analyzing trace with hash -2011235800, now seen corresponding path program 12 times [2023-05-20 00:00:29,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 00:00:29,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252435682] [2023-05-20 00:00:29,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 00:00:29,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 00:00:29,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 00:00:40,895 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 12 proven. 376 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 00:00:40,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 00:00:40,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252435682] [2023-05-20 00:00:40,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252435682] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 00:00:40,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265328773] [2023-05-20 00:00:40,896 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-20 00:00:40,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 00:00:40,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 00:00:40,897 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) [2023-05-20 00:00:40,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-05-20 00:00:41,691 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2023-05-20 00:00:41,691 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 00:00:41,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 652 conjuncts, 119 conjunts are in the unsatisfiable core [2023-05-20 00:00:41,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 00:00:44,695 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 [2023-05-20 00:00:45,058 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 6 treesize of output 5 [2023-05-20 00:00:45,229 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 6 treesize of output 5 [2023-05-20 00:00:46,508 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 00:00:46,508 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 47 treesize of output 35 [2023-05-20 00:00:46,780 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-05-20 00:00:46,780 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 00:04:45,578 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse9 (* c_~q2_back~0 4)) (.cse7 (* c_~q2_front~0 4)) (.cse5 (* c_~q1_back~0 4)) (.cse8 (* c_~q1_front~0 4))) (and (forall ((v_ArrVal_678 (Array Int Int)) (~q1~0.offset Int) (~q1~0.base Int) (~q2~0.offset Int)) (let ((.cse10 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_678))) (let ((.cse4 (select .cse10 ~q1~0.base)) (.cse6 (select .cse10 c_~q2~0.base))) (let ((.cse1 (select .cse6 (+ ~q2~0.offset .cse9 8))) (.cse0 (select .cse4 (+ .cse8 ~q1~0.offset 12))) (.cse2 (select .cse6 (+ ~q2~0.offset .cse7 12))) (.cse3 (select .cse4 (+ .cse5 ~q1~0.offset 12)))) (or (< .cse0 .cse1) (< .cse2 (+ .cse1 1)) (< .cse0 .cse3) (< .cse2 (+ 1 .cse3))))))) (forall ((v_ArrVal_678 (Array Int Int)) (~q1~0.offset Int) (~q1~0.base Int) (~q2~0.offset Int)) (let ((.cse17 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_678))) (let ((.cse15 (select .cse17 c_~q2~0.base)) (.cse16 (select .cse17 ~q1~0.base))) (let ((.cse11 (select .cse16 (+ .cse8 ~q1~0.offset 12))) (.cse12 (select .cse16 (+ .cse5 ~q1~0.offset 12))) (.cse14 (select .cse15 (+ ~q2~0.offset .cse7 12))) (.cse13 (select .cse15 (+ ~q2~0.offset .cse9 8)))) (or (< .cse11 (+ 1 .cse12)) (< .cse11 (+ .cse13 1)) (< .cse14 .cse12) (< .cse14 .cse13)))))))) is different from false [2023-05-20 00:04:50,439 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 00:04:50,439 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 233 treesize of output 149 [2023-05-20 00:04:50,504 INFO L356 Elim1Store]: treesize reduction 9, result has 91.1 percent of original size [2023-05-20 00:04:50,505 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 2157 treesize of output 1906 [2023-05-20 00:04:50,531 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 00:04:50,556 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 00:04:50,557 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 1776 treesize of output 1586 [2023-05-20 00:04:50,580 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 00:04:50,604 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 00:04:50,605 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 1549 treesize of output 1093 [2023-05-20 00:05:12,571 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 00:05:12,571 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 233 treesize of output 149 [2023-05-20 00:05:12,619 INFO L356 Elim1Store]: treesize reduction 55, result has 45.5 percent of original size [2023-05-20 00:05:12,619 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 4133 treesize of output 3530 [2023-05-20 00:05:12,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 00:05:12,683 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 00:05:12,696 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 00:05:12,696 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 3369 treesize of output 2847 [2023-05-20 00:05:12,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 00:05:12,717 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 00:05:12,728 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 00:05:12,729 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 2911 treesize of output 1912 [2023-05-20 00:06:26,161 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 62 refuted. 49 times theorem prover too weak. 277 trivial. 0 not checked. [2023-05-20 00:06:26,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265328773] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 00:06:26,161 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 00:06:26,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [76, 55, 36] total 152 [2023-05-20 00:06:26,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578848] [2023-05-20 00:06:26,162 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 00:06:26,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 152 states [2023-05-20 00:06:26,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 00:06:26,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 152 interpolants. [2023-05-20 00:06:26,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=826, Invalid=21414, Unknown=414, NotChecked=298, Total=22952 [2023-05-20 00:06:26,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:06:26,166 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 00:06:26,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 152 states, 152 states have (on average 4.052631578947368) internal successors, (616), 152 states have internal predecessors, (616), 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) [2023-05-20 00:06:26,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:06:26,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 00:06:26,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 00:06:26,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 00:06:26,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 00:06:26,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 00:06:26,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 00:06:26,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 00:06:26,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-20 00:06:26,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 00:06:26,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 00:06:26,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-20 00:06:26,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-20 00:06:26,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-05-20 00:06:26,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-20 00:06:26,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-20 00:06:26,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:06:39,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:06:39,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 00:06:39,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 00:06:39,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 00:06:39,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 00:06:39,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 00:06:39,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 00:06:39,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 00:06:39,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-20 00:06:39,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 00:06:39,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 00:06:39,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-20 00:06:39,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-05-20 00:06:39,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-05-20 00:06:39,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-20 00:06:39,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-20 00:06:39,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2023-05-20 00:06:40,003 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-05-20 00:06:40,186 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,SelfDestructingSolverStorable16 [2023-05-20 00:06:40,186 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 00:06:40,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 00:06:40,187 INFO L85 PathProgramCache]: Analyzing trace with hash -324158318, now seen corresponding path program 13 times [2023-05-20 00:06:40,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 00:06:40,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509661036] [2023-05-20 00:06:40,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 00:06:40,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 00:06:40,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 00:06:51,872 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 7 proven. 353 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 00:06:51,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 00:06:51,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509661036] [2023-05-20 00:06:51,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509661036] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 00:06:51,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1687168664] [2023-05-20 00:06:51,872 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-20 00:06:51,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 00:06:51,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 00:06:51,874 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) [2023-05-20 00:06:51,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-05-20 00:06:52,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 00:06:52,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 119 conjunts are in the unsatisfiable core [2023-05-20 00:06:52,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 00:06:57,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 00:06:57,916 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 29 treesize of output 29 [2023-05-20 00:06:58,516 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 00:06:58,517 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 54 treesize of output 36 [2023-05-20 00:06:58,994 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 358 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 00:06:58,994 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 00:07:00,625 INFO L356 Elim1Store]: treesize reduction 30, result has 87.2 percent of original size [2023-05-20 00:07:00,625 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 204 treesize of output 352 [2023-05-20 00:07:00,648 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 00:07:00,649 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 143 treesize of output 170 [2023-05-20 00:07:00,670 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 00:07:00,670 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 125 treesize of output 152 [2023-05-20 00:07:36,356 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2023-05-20 00:07:36,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1687168664] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 00:07:36,357 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 00:07:36,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [70, 63, 47] total 170 [2023-05-20 00:07:36,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346425613] [2023-05-20 00:07:36,357 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 00:07:36,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 170 states [2023-05-20 00:07:36,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 00:07:36,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 170 interpolants. [2023-05-20 00:07:36,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1613, Invalid=27081, Unknown=36, NotChecked=0, Total=28730 [2023-05-20 00:07:36,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:07:36,360 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 00:07:36,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 170 states, 170 states have (on average 3.788235294117647) internal successors, (644), 170 states have internal predecessors, (644), 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) [2023-05-20 00:07:36,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:07:36,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 00:07:36,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 00:07:36,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 00:07:36,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 00:07:36,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 00:07:36,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 00:07:36,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 00:07:36,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-20 00:07:36,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 00:07:36,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 00:07:36,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-20 00:07:36,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2023-05-20 00:07:36,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2023-05-20 00:07:36,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-20 00:07:36,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-20 00:07:36,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2023-05-20 00:07:36,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:12:07,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:12:07,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 00:12:07,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 00:12:07,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 00:12:07,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 00:12:07,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 00:12:07,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 00:12:07,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-20 00:12:07,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-05-20 00:12:07,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 00:12:07,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-20 00:12:07,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-20 00:12:07,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 497 states. [2023-05-20 00:12:07,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 251 states. [2023-05-20 00:12:07,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-05-20 00:12:07,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2023-05-20 00:12:07,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 355 states. [2023-05-20 00:12:07,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 334 states. [2023-05-20 00:12:07,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-20 00:12:07,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-20 00:12:07,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-20 00:12:07,984 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-05-20 00:12:08,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-05-20 00:12:08,171 INFO L444 BasicCegarLoop]: Path program histogram: [13, 1, 1, 1, 1, 1] [2023-05-20 00:12:08,173 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 00:12:08,173 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 00:12:08,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 12:12:08 BasicIcfg [2023-05-20 00:12:08,175 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 00:12:08,175 INFO L158 Benchmark]: Toolchain (without parser) took 781907.58ms. Allocated memory was 212.9MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 156.0MB in the beginning and 385.4MB in the end (delta: -229.4MB). Peak memory consumption was 939.8MB. Max. memory is 8.0GB. [2023-05-20 00:12:08,175 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 212.9MB. Free memory was 172.3MB in the beginning and 172.2MB in the end (delta: 143.4kB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 00:12:08,175 INFO L158 Benchmark]: CACSL2BoogieTranslator took 207.70ms. Allocated memory was 212.9MB in the beginning and 263.2MB in the end (delta: 50.3MB). Free memory was 155.7MB in the beginning and 236.0MB in the end (delta: -80.4MB). Peak memory consumption was 14.3MB. Max. memory is 8.0GB. [2023-05-20 00:12:08,175 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.98ms. Allocated memory is still 263.2MB. Free memory was 236.0MB in the beginning and 233.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 00:12:08,176 INFO L158 Benchmark]: Boogie Preprocessor took 30.22ms. Allocated memory is still 263.2MB. Free memory was 233.9MB in the beginning and 231.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 00:12:08,176 INFO L158 Benchmark]: RCFGBuilder took 449.12ms. Allocated memory is still 263.2MB. Free memory was 231.8MB in the beginning and 202.5MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2023-05-20 00:12:08,176 INFO L158 Benchmark]: TraceAbstraction took 781189.19ms. Allocated memory was 263.2MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 201.4MB in the beginning and 385.4MB in the end (delta: -183.9MB). Peak memory consumption was 935.9MB. Max. memory is 8.0GB. [2023-05-20 00:12:08,177 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 212.9MB. Free memory was 172.3MB in the beginning and 172.2MB in the end (delta: 143.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 207.70ms. Allocated memory was 212.9MB in the beginning and 263.2MB in the end (delta: 50.3MB). Free memory was 155.7MB in the beginning and 236.0MB in the end (delta: -80.4MB). Peak memory consumption was 14.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.98ms. Allocated memory is still 263.2MB. Free memory was 236.0MB in the beginning and 233.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.22ms. Allocated memory is still 263.2MB. Free memory was 233.9MB in the beginning and 231.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 449.12ms. Allocated memory is still 263.2MB. Free memory was 231.8MB in the beginning and 202.5MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. * TraceAbstraction took 781189.19ms. Allocated memory was 263.2MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 201.4MB in the beginning and 385.4MB in the end (delta: -183.9MB). Peak memory consumption was 935.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 109920, independent: 102007, independent conditional: 101025, independent unconditional: 982, dependent: 7913, dependent conditional: 7900, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 102532, independent: 102007, independent conditional: 101025, independent unconditional: 982, dependent: 525, dependent conditional: 512, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 102532, independent: 102007, independent conditional: 101025, independent unconditional: 982, dependent: 525, dependent conditional: 512, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 112419, independent: 102007, independent conditional: 1492, independent unconditional: 100515, dependent: 10412, dependent conditional: 8395, dependent unconditional: 2017, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 112419, independent: 102007, independent conditional: 1492, independent unconditional: 100515, dependent: 10412, dependent conditional: 5200, dependent unconditional: 5212, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 112419, independent: 102007, independent conditional: 1492, independent unconditional: 100515, dependent: 10412, dependent conditional: 5200, dependent unconditional: 5212, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 934, independent: 824, independent conditional: 28, independent unconditional: 796, dependent: 110, dependent conditional: 97, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 934, independent: 794, independent conditional: 0, independent unconditional: 794, dependent: 140, dependent conditional: 0, dependent unconditional: 140, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 140, independent: 30, independent conditional: 28, independent unconditional: 2, dependent: 110, dependent conditional: 97, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 140, independent: 30, independent conditional: 28, independent unconditional: 2, dependent: 110, dependent conditional: 97, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 471, independent: 93, independent conditional: 79, independent unconditional: 14, dependent: 378, dependent conditional: 282, dependent unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 112419, independent: 101183, independent conditional: 1464, independent unconditional: 99719, dependent: 10302, dependent conditional: 5103, dependent unconditional: 5199, unknown: 934, unknown conditional: 125, unknown unconditional: 809] , Statistics on independence cache: Total cache size (in pairs): 934, Positive cache size: 824, Positive conditional cache size: 28, Positive unconditional cache size: 796, Negative cache size: 110, Negative conditional cache size: 97, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3195, Maximal queried relation: 16, Independence queries for same thread: 7388 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 498, Number of trivial persistent sets: 443, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 995, independent: 982, independent conditional: 0, independent unconditional: 982, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 109920, independent: 102007, independent conditional: 101025, independent unconditional: 982, dependent: 7913, dependent conditional: 7900, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 102532, independent: 102007, independent conditional: 101025, independent unconditional: 982, dependent: 525, dependent conditional: 512, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 102532, independent: 102007, independent conditional: 101025, independent unconditional: 982, dependent: 525, dependent conditional: 512, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 112419, independent: 102007, independent conditional: 1492, independent unconditional: 100515, dependent: 10412, dependent conditional: 8395, dependent unconditional: 2017, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 112419, independent: 102007, independent conditional: 1492, independent unconditional: 100515, dependent: 10412, dependent conditional: 5200, dependent unconditional: 5212, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 112419, independent: 102007, independent conditional: 1492, independent unconditional: 100515, dependent: 10412, dependent conditional: 5200, dependent unconditional: 5212, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 934, independent: 824, independent conditional: 28, independent unconditional: 796, dependent: 110, dependent conditional: 97, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 934, independent: 794, independent conditional: 0, independent unconditional: 794, dependent: 140, dependent conditional: 0, dependent unconditional: 140, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 140, independent: 30, independent conditional: 28, independent unconditional: 2, dependent: 110, dependent conditional: 97, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 140, independent: 30, independent conditional: 28, independent unconditional: 2, dependent: 110, dependent conditional: 97, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 471, independent: 93, independent conditional: 79, independent unconditional: 14, dependent: 378, dependent conditional: 282, dependent unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 112419, independent: 101183, independent conditional: 1464, independent unconditional: 99719, dependent: 10302, dependent conditional: 5103, dependent unconditional: 5199, unknown: 934, unknown conditional: 125, unknown unconditional: 809] , Statistics on independence cache: Total cache size (in pairs): 934, Positive cache size: 824, Positive conditional cache size: 28, Positive unconditional cache size: 796, Negative cache size: 110, Negative conditional cache size: 97, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3195, Maximal queried relation: 16, Independence queries for same thread: 7388 - PositiveResult [Line: 102]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 186 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 781.1s, OverallIterations: 18, TraceHistogramMax: 0, PathProgramHistogramMax: 13, EmptinessCheckTime: 306.4s, 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: 1858, 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, 3.3s SatisfiabilityAnalysisTime, 467.7s InterpolantComputationTime, 6093 NumberOfCodeBlocks, 6030 NumberOfCodeBlocksAsserted, 54 NumberOfCheckSat, 8580 ConstructedInterpolants, 96 QuantifiedInterpolants, 126508 SizeOfPredicates, 293 NumberOfNonLiveVariables, 5943 ConjunctsInSsa, 502 ConjunctsInUnsatCore, 40 InterpolantComputations, 7 PerfectInterpolantSequences, 3885/7466 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-05-20 00:12:08,211 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-05-20 00:12:08,597 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2023-05-20 00:12:08,629 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...