/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 false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por LOOP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 09:11:04,949 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 09:11:04,950 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 09:11:04,968 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 09:11:04,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 09:11:04,969 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 09:11:04,969 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 09:11:04,971 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 09:11:04,972 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 09:11:04,972 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 09:11:04,973 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 09:11:04,974 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 09:11:04,974 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 09:11:04,974 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 09:11:04,975 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 09:11:04,976 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 09:11:04,977 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 09:11:04,977 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 09:11:04,978 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 09:11:04,979 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 09:11:04,980 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 09:11:04,981 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 09:11:04,982 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 09:11:04,982 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 09:11:04,985 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 09:11:04,985 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 09:11:04,985 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 09:11:04,986 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 09:11:04,986 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 09:11:04,986 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-20 09:11:04,987 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-20 09:11:04,987 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-20 09:11:04,988 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-20 09:11:04,988 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-20 09:11:04,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-20 09:11:04,989 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-20 09:11:04,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-20 09:11:04,990 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-20 09:11:04,990 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 09:11:04,990 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 09:11:04,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 09:11:04,991 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 09:11:05,004 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 09:11:05,005 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 09:11:05,005 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 09:11:05,005 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 09:11:05,005 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 09:11:05,006 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 09:11:05,006 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 09:11:05,006 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 09:11:05,006 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 09:11:05,006 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 09:11:05,007 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 09:11:05,007 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 09:11:05,007 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 09:11:05,007 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 09:11:05,007 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 09:11:05,007 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 09:11:05,007 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 09:11:05,007 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 09:11:05,008 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 09:11:05,008 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 09:11:05,008 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 09:11:05,008 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 09:11:05,008 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 09:11:05,008 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 09:11:05,008 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 09:11:05,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 09:11:05,009 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 09:11:05,009 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 09:11:05,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 09:11:05,009 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 09:11:05,009 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 09:11:05,009 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 09:11:05,009 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 09:11:05,009 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 09:11:05,009 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 09:11:05,009 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 09:11:05,010 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-20 09:11:05,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 09:11:05,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 09:11:05,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 09:11:05,184 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 09:11:05,186 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 09:11:05,187 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c [2023-05-20 09:11:05,232 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4367401b/bce03d54f191485091ef9d8ab07b0e1a/FLAG723e5816e [2023-05-20 09:11:05,610 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 09:11:05,610 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c [2023-05-20 09:11:05,616 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4367401b/bce03d54f191485091ef9d8ab07b0e1a/FLAG723e5816e [2023-05-20 09:11:06,030 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4367401b/bce03d54f191485091ef9d8ab07b0e1a [2023-05-20 09:11:06,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 09:11:06,034 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 09:11:06,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 09:11:06,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 09:11:06,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 09:11:06,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 09:11:06" (1/1) ... [2023-05-20 09:11:06,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@396337e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 09:11:06, skipping insertion in model container [2023-05-20 09:11:06,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 09:11:06" (1/1) ... [2023-05-20 09:11:06,045 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 09:11:06,063 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 09:11:06,238 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-three-array-sum.wvr.c[2691,2704] [2023-05-20 09:11:06,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 09:11:06,246 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 09:11:06,283 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-three-array-sum.wvr.c[2691,2704] [2023-05-20 09:11:06,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 09:11:06,315 INFO L208 MainTranslator]: Completed translation [2023-05-20 09:11:06,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 09:11:06 WrapperNode [2023-05-20 09:11:06,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 09:11:06,333 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 09:11:06,334 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 09:11:06,334 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 09:11:06,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 09:11:06" (1/1) ... [2023-05-20 09:11:06,345 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 09:11:06" (1/1) ... [2023-05-20 09:11:06,359 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 12, statements flattened = 150 [2023-05-20 09:11:06,360 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 09:11:06,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 09:11:06,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 09:11:06,360 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 09:11:06,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 09:11:06" (1/1) ... [2023-05-20 09:11:06,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 09:11:06" (1/1) ... [2023-05-20 09:11:06,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 09:11:06" (1/1) ... [2023-05-20 09:11:06,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 09:11:06" (1/1) ... [2023-05-20 09:11:06,384 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 09:11:06" (1/1) ... [2023-05-20 09:11:06,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 09:11:06" (1/1) ... [2023-05-20 09:11:06,389 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 09:11:06" (1/1) ... [2023-05-20 09:11:06,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 09:11:06" (1/1) ... [2023-05-20 09:11:06,391 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 09:11:06,392 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 09:11:06,392 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 09:11:06,392 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 09:11:06,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 09:11:06" (1/1) ... [2023-05-20 09:11:06,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 09:11:06,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 09:11:06,412 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) [2023-05-20 09:11:06,413 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 [2023-05-20 09:11:06,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 09:11:06,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 09:11:06,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 09:11:06,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 09:11:06,451 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-20 09:11:06,451 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-20 09:11:06,451 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-20 09:11:06,451 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-20 09:11:06,451 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-20 09:11:06,451 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-20 09:11:06,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 09:11:06,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-20 09:11:06,452 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-20 09:11:06,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-20 09:11:06,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 09:11:06,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 09:11:06,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 09:11:06,453 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-20 09:11:06,552 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 09:11:06,554 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 09:11:06,918 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 09:11:06,957 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 09:11:06,957 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2023-05-20 09:11:06,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 09:11:06 BoogieIcfgContainer [2023-05-20 09:11:06,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 09:11:06,960 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 09:11:06,960 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 09:11:06,963 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 09:11:06,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 09:11:06" (1/3) ... [2023-05-20 09:11:06,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f1f6112 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 09:11:06, skipping insertion in model container [2023-05-20 09:11:06,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 09:11:06" (2/3) ... [2023-05-20 09:11:06,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f1f6112 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 09:11:06, skipping insertion in model container [2023-05-20 09:11:06,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 09:11:06" (3/3) ... [2023-05-20 09:11:06,964 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-three-array-sum.wvr.c [2023-05-20 09:11:06,969 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 09:11:06,975 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 09:11:06,975 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 09:11:06,975 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 09:11:07,043 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-20 09:11:07,074 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 09:11:07,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 09:11:07,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 09:11:07,085 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) [2023-05-20 09:11:07,086 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 [2023-05-20 09:11:07,116 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 09:11:07,134 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 09:11:07,139 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;@5f3c0e7e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 09:11:07,139 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-20 09:11:07,299 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 09:11:07,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:11:07,302 INFO L85 PathProgramCache]: Analyzing trace with hash -2105150088, now seen corresponding path program 1 times [2023-05-20 09:11:07,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:11:07,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136379867] [2023-05-20 09:11:07,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:11:07,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:11:07,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:11:07,618 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 09:11:07,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 09:11:07,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136379867] [2023-05-20 09:11:07,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136379867] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 09:11:07,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 09:11:07,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 09:11:07,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393634687] [2023-05-20 09:11:07,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 09:11:07,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 09:11:07,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 09:11:07,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 09:11:07,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 09:11:07,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:07,642 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 09:11:07,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 81.5) internal successors, (163), 2 states have internal predecessors, (163), 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 09:11:07,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:07,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:07,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 09:11:07,679 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 09:11:07,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:11:07,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1515923224, now seen corresponding path program 1 times [2023-05-20 09:11:07,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:11:07,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98515722] [2023-05-20 09:11:07,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:11:07,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:11:07,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:11:08,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 09:11:08,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 09:11:08,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98515722] [2023-05-20 09:11:08,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98515722] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 09:11:08,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 09:11:08,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-20 09:11:08,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311928386] [2023-05-20 09:11:08,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 09:11:08,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-20 09:11:08,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 09:11:08,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-20 09:11:08,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-05-20 09:11:08,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:08,099 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 09:11:08,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 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 09:11:08,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:08,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:08,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:08,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:08,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 09:11:08,304 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 09:11:08,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:11:08,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1327896093, now seen corresponding path program 1 times [2023-05-20 09:11:08,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:11:08,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321335653] [2023-05-20 09:11:08,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:11:08,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:11:08,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:11:08,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 09:11:08,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 09:11:08,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321335653] [2023-05-20 09:11:08,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321335653] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 09:11:08,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1034704410] [2023-05-20 09:11:08,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:11:08,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:11:08,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 09:11:08,536 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) [2023-05-20 09:11:08,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-20 09:11:08,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:11:08,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 6 conjunts are in the unsatisfiable core [2023-05-20 09:11:08,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 09:11:08,853 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 09:11:08,853 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 09:11:09,056 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 09:11:09,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1034704410] provided 1 perfect and 1 imperfect interpolant sequences [2023-05-20 09:11:09,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-05-20 09:11:09,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2023-05-20 09:11:09,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514171148] [2023-05-20 09:11:09,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 09:11:09,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-20 09:11:09,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 09:11:09,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-20 09:11:09,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-05-20 09:11:09,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:09,059 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 09:11:09,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 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 09:11:09,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:09,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:09,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:09,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:09,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:09,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:09,235 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-05-20 09:11:09,427 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,SelfDestructingSolverStorable2 [2023-05-20 09:11:09,428 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 09:11:09,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:11:09,428 INFO L85 PathProgramCache]: Analyzing trace with hash -495637665, now seen corresponding path program 1 times [2023-05-20 09:11:09,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:11:09,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006711573] [2023-05-20 09:11:09,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:11:09,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:11:09,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:11:09,565 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 09:11:09,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 09:11:09,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006711573] [2023-05-20 09:11:09,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006711573] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 09:11:09,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1310924969] [2023-05-20 09:11:09,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:11:09,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:11:09,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 09:11:09,572 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) [2023-05-20 09:11:09,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-20 09:11:09,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:11:09,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 6 conjunts are in the unsatisfiable core [2023-05-20 09:11:09,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 09:11:09,823 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 09:11:09,824 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 09:11:09,995 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 09:11:09,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1310924969] provided 1 perfect and 1 imperfect interpolant sequences [2023-05-20 09:11:09,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-05-20 09:11:09,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2023-05-20 09:11:09,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577531462] [2023-05-20 09:11:09,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 09:11:09,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-20 09:11:09,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 09:11:09,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-20 09:11:09,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-05-20 09:11:09,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:09,997 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 09:11:09,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.571428571428573) internal successors, (186), 7 states have internal predecessors, (186), 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 09:11:09,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:09,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:09,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:09,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:10,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:10,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:10,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:10,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:10,159 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-20 09:11:10,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:11:10,342 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 09:11:10,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:11:10,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1513855102, now seen corresponding path program 1 times [2023-05-20 09:11:10,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:11:10,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15454649] [2023-05-20 09:11:10,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:11:10,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:11:10,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:11:10,447 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-05-20 09:11:10,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 09:11:10,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15454649] [2023-05-20 09:11:10,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15454649] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 09:11:10,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 09:11:10,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 09:11:10,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596431408] [2023-05-20 09:11:10,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 09:11:10,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 09:11:10,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 09:11:10,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 09:11:10,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-05-20 09:11:10,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:10,449 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 09:11:10,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 32.666666666666664) internal successors, (196), 6 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 09:11:10,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:10,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:10,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:10,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:10,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:10,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:10,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:10,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:10,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:10,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 09:11:10,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-05-20 09:11:10,501 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 09:11:10,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:11:10,501 INFO L85 PathProgramCache]: Analyzing trace with hash 562489984, now seen corresponding path program 1 times [2023-05-20 09:11:10,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:11:10,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331860258] [2023-05-20 09:11:10,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:11:10,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:11:10,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:11:10,736 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-05-20 09:11:10,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 09:11:10,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331860258] [2023-05-20 09:11:10,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331860258] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 09:11:10,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [933461727] [2023-05-20 09:11:10,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:11:10,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:11:10,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 09:11:10,754 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) [2023-05-20 09:11:10,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-20 09:11:10,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:11:10,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-20 09:11:10,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 09:11:11,090 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-05-20 09:11:11,091 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 09:11:11,330 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-05-20 09:11:11,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [933461727] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 09:11:11,331 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 09:11:11,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2023-05-20 09:11:11,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737996683] [2023-05-20 09:11:11,331 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 09:11:11,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-05-20 09:11:11,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 09:11:11,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-05-20 09:11:11,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2023-05-20 09:11:11,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:11,332 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 09:11:11,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 11.083333333333334) internal successors, (266), 24 states have internal predecessors, (266), 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 09:11:11,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:11,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:11,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:11,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:11,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 09:11:11,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:11,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:11,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:11,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:11,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:11,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 09:11:11,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 09:11:11,655 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-20 09:11:11,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:11:11,824 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 09:11:11,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:11:11,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1481462229, now seen corresponding path program 2 times [2023-05-20 09:11:11,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:11:11,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306930203] [2023-05-20 09:11:11,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:11:11,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:11:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:11:12,057 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 19 proven. 9 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-05-20 09:11:12,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 09:11:12,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306930203] [2023-05-20 09:11:12,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306930203] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 09:11:12,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344102496] [2023-05-20 09:11:12,058 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 09:11:12,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:11:12,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 09:11:12,073 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) [2023-05-20 09:11:12,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-20 09:11:12,181 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 09:11:12,182 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 09:11:12,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-20 09:11:12,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 09:11:12,375 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-05-20 09:11:12,375 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 09:11:12,582 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 27 proven. 1 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-05-20 09:11:12,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [344102496] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 09:11:12,582 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 09:11:12,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2023-05-20 09:11:12,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260722155] [2023-05-20 09:11:12,583 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 09:11:12,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-05-20 09:11:12,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 09:11:12,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-05-20 09:11:12,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2023-05-20 09:11:12,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:12,584 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 09:11:12,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 15.25) internal successors, (366), 24 states have internal predecessors, (366), 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 09:11:12,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:12,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:12,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:12,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:12,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 09:11:12,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 09:11:12,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:13,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:13,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:13,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:13,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:13,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 09:11:13,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 09:11:13,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 09:11:13,076 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-20 09:11:13,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:11:13,265 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 09:11:13,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:11:13,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1569507087, now seen corresponding path program 3 times [2023-05-20 09:11:13,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:11:13,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124609521] [2023-05-20 09:11:13,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:11:13,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:11:13,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:11:13,473 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 20 proven. 25 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-05-20 09:11:13,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 09:11:13,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124609521] [2023-05-20 09:11:13,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124609521] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 09:11:13,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [639875175] [2023-05-20 09:11:13,474 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 09:11:13,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:11:13,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 09:11:13,475 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) [2023-05-20 09:11:13,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-20 09:11:13,642 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-05-20 09:11:13,642 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 09:11:13,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 8 conjunts are in the unsatisfiable core [2023-05-20 09:11:13,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 09:11:13,793 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 20 proven. 18 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-05-20 09:11:13,793 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 09:11:13,869 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 20 proven. 17 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-05-20 09:11:13,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [639875175] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 09:11:13,869 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 09:11:13,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 8] total 22 [2023-05-20 09:11:13,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084392181] [2023-05-20 09:11:13,870 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 09:11:13,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-05-20 09:11:13,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 09:11:13,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-05-20 09:11:13,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2023-05-20 09:11:13,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:13,871 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 09:11:13,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 18.454545454545453) internal successors, (406), 22 states have internal predecessors, (406), 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 09:11:13,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:13,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:13,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:13,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:13,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 09:11:13,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 09:11:13,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 09:11:13,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:14,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:14,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:14,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:14,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:14,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 09:11:14,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 09:11:14,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 09:11:14,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-20 09:11:14,723 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-20 09:11:14,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:11:14,902 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 09:11:14,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:11:14,902 INFO L85 PathProgramCache]: Analyzing trace with hash 957480638, now seen corresponding path program 4 times [2023-05-20 09:11:14,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:11:14,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914914786] [2023-05-20 09:11:14,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:11:14,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:11:14,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:11:15,281 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 101 proven. 40 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-05-20 09:11:15,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 09:11:15,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914914786] [2023-05-20 09:11:15,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914914786] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 09:11:15,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829160633] [2023-05-20 09:11:15,281 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-20 09:11:15,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:11:15,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 09:11:15,289 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) [2023-05-20 09:11:15,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-20 09:11:15,400 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-20 09:11:15,400 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 09:11:15,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-20 09:11:15,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 09:11:15,758 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 117 proven. 8 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-05-20 09:11:15,758 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 09:11:16,104 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 111 proven. 14 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-05-20 09:11:16,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1829160633] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 09:11:16,105 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 09:11:16,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 37 [2023-05-20 09:11:16,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99619148] [2023-05-20 09:11:16,105 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 09:11:16,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-05-20 09:11:16,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 09:11:16,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-05-20 09:11:16,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=1122, Unknown=0, NotChecked=0, Total=1332 [2023-05-20 09:11:16,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:16,107 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 09:11:16,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 10.891891891891891) internal successors, (403), 37 states have internal predecessors, (403), 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 09:11:16,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:16,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:16,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:16,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:16,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 09:11:16,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 09:11:16,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 09:11:16,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-20 09:11:16,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:16,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:16,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:16,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:16,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:16,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 09:11:16,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 09:11:16,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 09:11:16,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-20 09:11:16,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 09:11:16,695 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-20 09:11:16,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:11:16,881 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 09:11:16,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:11:16,882 INFO L85 PathProgramCache]: Analyzing trace with hash -2056314679, now seen corresponding path program 5 times [2023-05-20 09:11:16,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:11:16,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881197791] [2023-05-20 09:11:16,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:11:16,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:11:16,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:11:17,172 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 57 proven. 26 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-05-20 09:11:17,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 09:11:17,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881197791] [2023-05-20 09:11:17,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881197791] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 09:11:17,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9916733] [2023-05-20 09:11:17,172 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-20 09:11:17,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:11:17,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 09:11:17,186 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) [2023-05-20 09:11:17,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-20 09:11:17,347 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2023-05-20 09:11:17,347 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 09:11:17,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 8 conjunts are in the unsatisfiable core [2023-05-20 09:11:17,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 09:11:17,428 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 99 proven. 3 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2023-05-20 09:11:17,428 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 09:11:17,519 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 100 proven. 2 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2023-05-20 09:11:17,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [9916733] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 09:11:17,520 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 09:11:17,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5, 5] total 20 [2023-05-20 09:11:17,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719687612] [2023-05-20 09:11:17,520 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 09:11:17,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-05-20 09:11:17,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 09:11:17,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-05-20 09:11:17,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2023-05-20 09:11:17,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:17,521 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 09:11:17,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 19.75) internal successors, (395), 20 states have internal predecessors, (395), 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 09:11:17,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:17,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:17,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:17,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:17,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 09:11:17,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 09:11:17,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 09:11:17,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-20 09:11:17,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-20 09:11:17,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:18,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:18,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:18,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:18,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:18,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 09:11:18,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 09:11:18,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 09:11:18,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-20 09:11:18,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 09:11:18,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-20 09:11:18,523 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-20 09:11:18,700 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,SelfDestructingSolverStorable9 [2023-05-20 09:11:18,700 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 09:11:18,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:11:18,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1251023903, now seen corresponding path program 6 times [2023-05-20 09:11:18,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:11:18,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275711997] [2023-05-20 09:11:18,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:11:18,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:11:18,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:11:19,088 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 24 proven. 52 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-05-20 09:11:19,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 09:11:19,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275711997] [2023-05-20 09:11:19,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275711997] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 09:11:19,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93442495] [2023-05-20 09:11:19,089 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-20 09:11:19,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:11:19,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 09:11:19,110 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 09:11:19,165 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 09:11:19,356 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2023-05-20 09:11:19,356 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 09:11:19,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-20 09:11:19,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 09:11:19,657 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 29 proven. 49 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-05-20 09:11:19,657 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 09:11:19,815 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 23 proven. 55 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-05-20 09:11:19,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [93442495] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 09:11:19,815 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 09:11:19,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 12] total 30 [2023-05-20 09:11:19,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615266963] [2023-05-20 09:11:19,816 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 09:11:19,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-05-20 09:11:19,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 09:11:19,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-05-20 09:11:19,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=773, Unknown=0, NotChecked=0, Total=870 [2023-05-20 09:11:19,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:19,817 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 09:11:19,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 14.233333333333333) internal successors, (427), 30 states have internal predecessors, (427), 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 09:11:19,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:19,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:19,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:19,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:19,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 09:11:19,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 09:11:19,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 09:11:19,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-20 09:11:19,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-20 09:11:19,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-20 09:11:19,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:20,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:20,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:20,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:20,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:20,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 09:11:20,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 09:11:20,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 09:11:20,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-20 09:11:20,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 09:11:20,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-20 09:11:20,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-20 09:11:20,691 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 09:11:20,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:11:20,891 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 09:11:20,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:11:20,901 INFO L85 PathProgramCache]: Analyzing trace with hash -259944351, now seen corresponding path program 7 times [2023-05-20 09:11:20,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:11:20,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568954349] [2023-05-20 09:11:20,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:11:20,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:11:20,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:11:21,291 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 34 proven. 91 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2023-05-20 09:11:21,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 09:11:21,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568954349] [2023-05-20 09:11:21,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568954349] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 09:11:21,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433798983] [2023-05-20 09:11:21,292 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-20 09:11:21,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:11:21,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 09:11:21,293 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 09:11:21,316 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 09:11:21,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:11:21,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 18 conjunts are in the unsatisfiable core [2023-05-20 09:11:21,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 09:11:21,862 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 94 proven. 21 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-05-20 09:11:21,862 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 09:11:22,167 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 94 proven. 21 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-05-20 09:11:22,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [433798983] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 09:11:22,167 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 09:11:22,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 19, 19] total 48 [2023-05-20 09:11:22,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605408131] [2023-05-20 09:11:22,168 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 09:11:22,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-05-20 09:11:22,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 09:11:22,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-05-20 09:11:22,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=265, Invalid=1991, Unknown=0, NotChecked=0, Total=2256 [2023-05-20 09:11:22,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:22,169 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 09:11:22,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 10.916666666666666) internal successors, (524), 48 states have internal predecessors, (524), 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 09:11:22,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:22,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:22,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:22,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:22,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 09:11:22,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 09:11:22,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 09:11:22,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-20 09:11:22,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-20 09:11:22,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-20 09:11:22,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-20 09:11:22,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:23,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:23,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:23,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:23,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:23,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 09:11:23,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 09:11:23,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 09:11:23,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-20 09:11:23,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 09:11:23,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-20 09:11:23,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-20 09:11:23,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-20 09:11:23,816 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 09:11:24,001 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,SelfDestructingSolverStorable11 [2023-05-20 09:11:24,001 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 09:11:24,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:11:24,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1299052370, now seen corresponding path program 8 times [2023-05-20 09:11:24,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:11:24,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008958215] [2023-05-20 09:11:24,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:11:24,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:11:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:11:24,378 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 89 proven. 16 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2023-05-20 09:11:24,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 09:11:24,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008958215] [2023-05-20 09:11:24,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008958215] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 09:11:24,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1283292086] [2023-05-20 09:11:24,379 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 09:11:24,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:11:24,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 09:11:24,380 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 09:11:24,381 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 09:11:24,552 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 09:11:24,552 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 09:11:24,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 33 conjunts are in the unsatisfiable core [2023-05-20 09:11:24,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 09:11:25,328 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 86 proven. 123 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-05-20 09:11:25,328 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 09:11:26,138 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 98 proven. 113 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-05-20 09:11:26,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1283292086] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 09:11:26,139 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 09:11:26,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 30, 29] total 67 [2023-05-20 09:11:26,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625209683] [2023-05-20 09:11:26,139 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 09:11:26,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2023-05-20 09:11:26,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 09:11:26,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2023-05-20 09:11:26,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=558, Invalid=3864, Unknown=0, NotChecked=0, Total=4422 [2023-05-20 09:11:26,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:26,141 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 09:11:26,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 9.940298507462687) internal successors, (666), 67 states have internal predecessors, (666), 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 09:11:26,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:26,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:26,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:26,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:26,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 09:11:26,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 09:11:26,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 09:11:26,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-20 09:11:26,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-20 09:11:26,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-20 09:11:26,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-20 09:11:26,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-20 09:11:26,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:28,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:28,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:28,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:28,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:28,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 09:11:28,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 09:11:28,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 09:11:28,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-20 09:11:28,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 09:11:28,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-20 09:11:28,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-20 09:11:28,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-20 09:11:28,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-05-20 09:11:28,429 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 09:11:28,609 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,SelfDestructingSolverStorable12 [2023-05-20 09:11:28,609 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 09:11:28,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:11:28,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1761896744, now seen corresponding path program 1 times [2023-05-20 09:11:28,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:11:28,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554635155] [2023-05-20 09:11:28,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:11:28,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:11:28,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:11:29,032 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 76 proven. 110 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2023-05-20 09:11:29,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 09:11:29,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554635155] [2023-05-20 09:11:29,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554635155] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 09:11:29,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [464783320] [2023-05-20 09:11:29,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:11:29,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:11:29,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 09:11:29,037 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 09:11:29,039 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 09:11:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:11:29,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 22 conjunts are in the unsatisfiable core [2023-05-20 09:11:29,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 09:11:29,778 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 131 proven. 73 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2023-05-20 09:11:29,779 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 09:11:30,335 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 162 proven. 42 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2023-05-20 09:11:30,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [464783320] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 09:11:30,336 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 09:11:30,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 23, 23] total 53 [2023-05-20 09:11:30,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481743428] [2023-05-20 09:11:30,336 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 09:11:30,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2023-05-20 09:11:30,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 09:11:30,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2023-05-20 09:11:30,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=497, Invalid=2259, Unknown=0, NotChecked=0, Total=2756 [2023-05-20 09:11:30,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:30,338 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 09:11:30,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 9.30188679245283) internal successors, (493), 53 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 09:11:30,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:30,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:30,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:30,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:30,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 09:11:30,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 09:11:30,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 09:11:30,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-20 09:11:30,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-20 09:11:30,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-20 09:11:30,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-20 09:11:30,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-20 09:11:30,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-05-20 09:11:30,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:31,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:31,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:31,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:31,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:31,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 09:11:31,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 09:11:31,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 09:11:31,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-20 09:11:31,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 09:11:31,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-20 09:11:31,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-20 09:11:31,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-20 09:11:31,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-05-20 09:11:31,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-05-20 09:11:32,000 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 09:11:32,182 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,SelfDestructingSolverStorable13 [2023-05-20 09:11:32,182 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 09:11:32,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:11:32,182 INFO L85 PathProgramCache]: Analyzing trace with hash -10206296, now seen corresponding path program 9 times [2023-05-20 09:11:32,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:11:32,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931555454] [2023-05-20 09:11:32,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:11:32,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:11:32,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:11:32,751 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 57 proven. 210 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2023-05-20 09:11:32,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 09:11:32,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931555454] [2023-05-20 09:11:32,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931555454] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 09:11:32,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [189915171] [2023-05-20 09:11:32,752 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 09:11:32,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:11:32,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 09:11:32,762 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 09:11:32,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-05-20 09:11:33,031 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-05-20 09:11:33,032 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 09:11:33,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 22 conjunts are in the unsatisfiable core [2023-05-20 09:11:33,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 09:11:33,391 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 158 proven. 50 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2023-05-20 09:11:33,391 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 09:11:33,783 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 144 proven. 64 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2023-05-20 09:11:33,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [189915171] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 09:11:33,783 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 09:11:33,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 19, 18] total 47 [2023-05-20 09:11:33,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485021821] [2023-05-20 09:11:33,784 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 09:11:33,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2023-05-20 09:11:33,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 09:11:33,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2023-05-20 09:11:33,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=1964, Unknown=0, NotChecked=0, Total=2162 [2023-05-20 09:11:33,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:33,785 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 09:11:33,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 11.212765957446809) internal successors, (527), 47 states have internal predecessors, (527), 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 09:11:33,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:33,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:33,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:33,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:33,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 09:11:33,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 09:11:33,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 09:11:33,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-20 09:11:33,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-20 09:11:33,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-20 09:11:33,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-05-20 09:11:33,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-20 09:11:33,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-05-20 09:11:33,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2023-05-20 09:11:33,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:37,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:37,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:37,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:37,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:37,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 09:11:37,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 09:11:37,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 09:11:37,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-20 09:11:37,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 09:11:37,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-20 09:11:37,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-20 09:11:37,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-20 09:11:37,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-05-20 09:11:37,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-05-20 09:11:37,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2023-05-20 09:11:37,663 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-05-20 09:11:37,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-05-20 09:11:37,847 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 09:11:37,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:11:37,848 INFO L85 PathProgramCache]: Analyzing trace with hash 2107880616, now seen corresponding path program 10 times [2023-05-20 09:11:37,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:11:37,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275779757] [2023-05-20 09:11:37,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:11:37,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:11:37,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:11:38,403 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 58 proven. 257 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2023-05-20 09:11:38,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 09:11:38,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275779757] [2023-05-20 09:11:38,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275779757] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 09:11:38,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1629607996] [2023-05-20 09:11:38,405 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-20 09:11:38,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:11:38,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 09:11:38,406 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 09:11:38,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-05-20 09:11:38,571 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-20 09:11:38,571 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 09:11:38,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 22 conjunts are in the unsatisfiable core [2023-05-20 09:11:38,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 09:11:39,242 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 113 proven. 220 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2023-05-20 09:11:39,242 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 09:11:39,684 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 144 proven. 189 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2023-05-20 09:11:39,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1629607996] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 09:11:39,684 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 09:11:39,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 23, 23] total 53 [2023-05-20 09:11:39,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782500565] [2023-05-20 09:11:39,684 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 09:11:39,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2023-05-20 09:11:39,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 09:11:39,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2023-05-20 09:11:39,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=497, Invalid=2259, Unknown=0, NotChecked=0, Total=2756 [2023-05-20 09:11:39,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:39,686 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 09:11:39,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 10.754716981132075) internal successors, (570), 53 states have internal predecessors, (570), 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 09:11:39,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:39,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:39,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:39,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:39,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 09:11:39,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 09:11:39,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 09:11:39,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-20 09:11:39,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-20 09:11:39,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-20 09:11:39,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-05-20 09:11:39,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-20 09:11:39,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-05-20 09:11:39,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2023-05-20 09:11:39,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2023-05-20 09:11:39,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:40,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:40,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:40,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:40,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:40,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 09:11:40,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 09:11:40,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 09:11:40,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-20 09:11:40,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 09:11:40,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-20 09:11:40,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-20 09:11:40,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-20 09:11:40,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-05-20 09:11:40,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-05-20 09:11:40,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2023-05-20 09:11:40,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-05-20 09:11:40,743 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-05-20 09:11:40,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:11:40,939 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 09:11:40,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:11:40,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1542119276, now seen corresponding path program 11 times [2023-05-20 09:11:40,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:11:40,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057134983] [2023-05-20 09:11:40,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:11:40,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:11:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:11:41,544 INFO L134 CoverageAnalysis]: Checked inductivity of 677 backedges. 210 proven. 62 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2023-05-20 09:11:41,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 09:11:41,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057134983] [2023-05-20 09:11:41,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057134983] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 09:11:41,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410730734] [2023-05-20 09:11:41,545 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-20 09:11:41,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:11:41,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 09:11:41,561 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 09:11:41,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-05-20 09:11:42,137 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2023-05-20 09:11:42,138 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 09:11:42,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 28 conjunts are in the unsatisfiable core [2023-05-20 09:11:42,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 09:11:42,402 INFO L134 CoverageAnalysis]: Checked inductivity of 677 backedges. 261 proven. 20 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2023-05-20 09:11:42,402 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 09:11:42,655 INFO L134 CoverageAnalysis]: Checked inductivity of 677 backedges. 259 proven. 22 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2023-05-20 09:11:42,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410730734] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 09:11:42,655 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 09:11:42,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 16] total 38 [2023-05-20 09:11:42,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744283357] [2023-05-20 09:11:42,656 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 09:11:42,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-05-20 09:11:42,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 09:11:42,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-05-20 09:11:42,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=1230, Unknown=0, NotChecked=0, Total=1406 [2023-05-20 09:11:42,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:42,657 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 09:11:42,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 8.894736842105264) internal successors, (338), 38 states have internal predecessors, (338), 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 09:11:42,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:42,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:42,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:42,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:42,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 09:11:42,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 09:11:42,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 09:11:42,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-20 09:11:42,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-20 09:11:42,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-20 09:11:42,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-05-20 09:11:42,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-20 09:11:42,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-05-20 09:11:42,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2023-05-20 09:11:42,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2023-05-20 09:11:42,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2023-05-20 09:11:42,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:43,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:11:43,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:43,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:43,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 09:11:43,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 09:11:43,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 09:11:43,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 09:11:43,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-20 09:11:43,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 09:11:43,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-20 09:11:43,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-20 09:11:43,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-20 09:11:43,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-05-20 09:11:43,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-05-20 09:11:43,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2023-05-20 09:11:43,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-05-20 09:11:43,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-20 09:11:43,722 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-05-20 09:11:43,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-05-20 09:11:43,922 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 09:11:43,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:11:43,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1940933396, now seen corresponding path program 2 times [2023-05-20 09:11:43,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:11:43,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031556983] [2023-05-20 09:11:43,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:11:43,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:11:44,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:12:07,316 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 0 proven. 444 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2023-05-20 09:12:07,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 09:12:07,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031556983] [2023-05-20 09:12:07,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031556983] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 09:12:07,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1263381723] [2023-05-20 09:12:07,317 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 09:12:07,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:12:07,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 09:12:07,318 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 09:12:07,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-05-20 09:12:07,848 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 09:12:07,848 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 09:12:07,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 800 conjuncts, 240 conjunts are in the unsatisfiable core [2023-05-20 09:12:07,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 09:12:08,104 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-20 09:12:10,656 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2023-05-20 09:12:10,657 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2023-05-20 09:12:12,387 INFO L356 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2023-05-20 09:12:12,388 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 16 treesize of output 18 [2023-05-20 09:12:14,101 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 09:12:14,103 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-20 09:12:14,103 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 36 [2023-05-20 09:12:14,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:14,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:14,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:14,867 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-20 09:12:14,867 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 32 [2023-05-20 09:12:16,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:16,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:16,618 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 09:12:16,625 INFO L356 Elim1Store]: treesize reduction 39, result has 15.2 percent of original size [2023-05-20 09:12:16,625 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 72 treesize of output 71 [2023-05-20 09:12:17,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:17,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:17,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:17,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:17,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:17,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:17,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:17,183 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 09:12:17,183 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 09:12:17,194 INFO L356 Elim1Store]: treesize reduction 70, result has 19.5 percent of original size [2023-05-20 09:12:17,195 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 91 treesize of output 103 [2023-05-20 09:12:21,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:21,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:21,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:21,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:21,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:21,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:21,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:21,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:21,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:21,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:21,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:21,374 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 09:12:21,375 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 09:12:21,375 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 09:12:21,403 INFO L356 Elim1Store]: treesize reduction 102, result has 20.3 percent of original size [2023-05-20 09:12:21,403 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 11 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 22 case distinctions, treesize of input 182 treesize of output 151 [2023-05-20 09:12:22,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:22,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:22,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:22,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:22,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:22,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:22,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:22,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:22,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:22,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:22,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:22,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:22,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:22,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:22,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:22,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:22,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:22,419 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 09:12:22,420 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 09:12:22,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:22,421 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 09:12:22,421 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 09:12:22,451 INFO L356 Elim1Store]: treesize reduction 134, result has 20.7 percent of original size [2023-05-20 09:12:22,452 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 19 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 35 case distinctions, treesize of input 196 treesize of output 182 [2023-05-20 09:12:27,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:27,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:27,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:27,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:27,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:27,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:27,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:27,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:27,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:27,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:27,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:27,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:27,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:27,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:27,943 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 09:12:27,944 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 09:12:27,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:27,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 09:12:27,946 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 09:12:27,947 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 09:12:27,947 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 09:12:27,990 INFO L356 Elim1Store]: treesize reduction 211, result has 7.0 percent of original size [2023-05-20 09:12:27,995 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 19 select indices, 19 select index equivalence classes, 26 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 59 case distinctions, treesize of input 304 treesize of output 232 [2023-05-20 09:12:35,904 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 09:12:35,905 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 17 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 51 case distinctions, treesize of input 244 treesize of output 112 [2023-05-20 09:12:36,257 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2023-05-20 09:12:36,257 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 09:15:23,015 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1425 (Array Int Int))) (let ((.cse10 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_1425))) (let ((.cse12 (select .cse10 c_~C~0.base)) (.cse3 (select .cse10 c_~B~0.base)) (.cse7 (select .cse10 c_~A~0.base)) (.cse15 (* c_thread2Thread1of1ForFork1_~i~1 4))) (let ((.cse14 (let ((.cse20 (store .cse12 (+ .cse15 c_~C~0.offset) (+ (select .cse3 (+ .cse15 c_~B~0.offset)) (select .cse7 (+ c_~A~0.offset .cse15)))))) (store .cse20 (+ .cse15 c_~C~0.offset 4) (let ((.cse21 (store .cse10 c_~C~0.base .cse20))) (+ (select (select .cse21 c_~B~0.base) (+ .cse15 4 c_~B~0.offset)) (select (select .cse21 c_~A~0.base) (+ c_~A~0.offset .cse15 4)))))))) (let ((.cse19 (store .cse10 c_~C~0.base .cse14))) (let ((.cse8 (select .cse19 c_~B~0.base)) (.cse5 (select .cse19 c_~A~0.base))) (let ((.cse13 (let ((.cse17 (store .cse14 (+ .cse15 c_~C~0.offset 8) (+ (select .cse8 (+ .cse15 8 c_~B~0.offset)) (select .cse5 (+ c_~A~0.offset .cse15 8)))))) (store .cse17 (+ .cse15 c_~C~0.offset 12) (let ((.cse18 (store .cse10 c_~C~0.base .cse17))) (+ (select (select .cse18 c_~A~0.base) (+ c_~A~0.offset .cse15 12)) (select (select .cse18 c_~B~0.base) (+ .cse15 12 c_~B~0.offset)))))))) (let ((.cse16 (store .cse10 c_~C~0.base .cse13))) (let ((.cse4 (select .cse16 c_~B~0.base)) (.cse0 (select .cse16 c_~A~0.base))) (let ((.cse11 (store .cse13 (+ .cse15 16 c_~C~0.offset) (+ (select .cse4 (+ .cse15 16 c_~B~0.offset)) (select .cse0 (+ c_~A~0.offset .cse15 16)))))) (= (mod (let ((.cse9 (store .cse10 c_~C~0.base .cse11))) (let ((.cse2 (select .cse9 c_~A~0.base)) (.cse6 (select .cse9 c_~B~0.base)) (.cse1 (* c_thread1Thread1of1ForFork0_~i~0 4))) (+ (select .cse0 (+ c_~A~0.offset 8 .cse1)) (select .cse2 (+ c_~A~0.offset 12 .cse1)) (select .cse3 (+ .cse1 c_~B~0.offset)) (select .cse4 (+ 8 .cse1 c_~B~0.offset)) c_~asum~0 c_~bsum~0 (select .cse2 (+ c_~A~0.offset 20 .cse1)) (select .cse5 (+ c_~A~0.offset 4 .cse1)) (select .cse6 (+ 16 .cse1 c_~B~0.offset)) (select .cse7 (+ c_~A~0.offset .cse1)) (select .cse2 (+ c_~A~0.offset 16 .cse1)) (select .cse6 (+ 20 .cse1 c_~B~0.offset)) (select .cse6 (+ 12 .cse1 c_~B~0.offset)) (select .cse8 (+ 4 .cse1 c_~B~0.offset))))) 4294967296) (mod (+ (select .cse11 (+ c_~C~0.offset 20)) (select .cse12 c_~C~0.offset) c_~csum~0 (select .cse13 (+ c_~C~0.offset 12)) (select .cse14 (+ c_~C~0.offset 8)) (select .cse13 (+ 16 c_~C~0.offset)) (select .cse14 (+ c_~C~0.offset 4))) 4294967296)))))))))))) is different from false [2023-05-20 09:15:23,564 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1425 (Array Int Int))) (let ((.cse14 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_1425))) (let ((.cse3 (select .cse14 c_~C~0.base)) (.cse4 (select .cse14 c_~B~0.base)) (.cse11 (select .cse14 c_~A~0.base)) (.cse15 (* |c_thread2Thread1of1ForFork1_#t~post4| 4))) (let ((.cse1 (let ((.cse20 (store .cse3 (+ .cse15 c_~C~0.offset 4) (+ (select .cse4 (+ .cse15 4 c_~B~0.offset)) (select .cse11 (+ c_~A~0.offset .cse15 4)))))) (store .cse20 (+ .cse15 c_~C~0.offset 8) (let ((.cse21 (store .cse14 c_~C~0.base .cse20))) (+ (select (select .cse21 c_~A~0.base) (+ c_~A~0.offset .cse15 8)) (select (select .cse21 c_~B~0.base) (+ .cse15 8 c_~B~0.offset)))))))) (let ((.cse19 (store .cse14 c_~C~0.base .cse1))) (let ((.cse8 (select .cse19 c_~B~0.base)) (.cse9 (select .cse19 c_~A~0.base))) (let ((.cse0 (let ((.cse17 (store .cse1 (+ .cse15 c_~C~0.offset 12) (+ (select .cse8 (+ .cse15 12 c_~B~0.offset)) (select .cse9 (+ c_~A~0.offset .cse15 12)))))) (store .cse17 (+ .cse15 16 c_~C~0.offset) (let ((.cse18 (store .cse14 c_~C~0.base .cse17))) (+ (select (select .cse18 c_~A~0.base) (+ c_~A~0.offset .cse15 16)) (select (select .cse18 c_~B~0.base) (+ .cse15 16 c_~B~0.offset)))))))) (let ((.cse16 (store .cse14 c_~C~0.base .cse0))) (let ((.cse12 (select .cse16 c_~A~0.base)) (.cse10 (select .cse16 c_~B~0.base))) (let ((.cse2 (store .cse0 (+ .cse15 c_~C~0.offset 20) (+ (select .cse12 (+ c_~A~0.offset .cse15 20)) (select .cse10 (+ .cse15 20 c_~B~0.offset)))))) (= (mod (+ (select .cse0 (+ c_~C~0.offset 12)) (select .cse1 (+ c_~C~0.offset 8)) (select .cse2 (+ c_~C~0.offset 20)) (select .cse3 c_~C~0.offset) c_~csum~0 (select .cse1 (+ c_~C~0.offset 4)) (select .cse0 (+ 16 c_~C~0.offset))) 4294967296) (mod (let ((.cse13 (store .cse14 c_~C~0.base .cse2))) (let ((.cse6 (select .cse13 c_~A~0.base)) (.cse7 (select .cse13 c_~B~0.base)) (.cse5 (* c_thread1Thread1of1ForFork0_~i~0 4))) (+ (select .cse4 (+ .cse5 c_~B~0.offset)) c_~asum~0 (select .cse6 (+ c_~A~0.offset 12 .cse5)) c_~bsum~0 (select .cse7 (+ 20 .cse5 c_~B~0.offset)) (select .cse8 (+ 4 .cse5 c_~B~0.offset)) (select .cse6 (+ c_~A~0.offset 16 .cse5)) (select .cse7 (+ 12 .cse5 c_~B~0.offset)) (select .cse9 (+ c_~A~0.offset 4 .cse5)) (select .cse10 (+ 8 .cse5 c_~B~0.offset)) (select .cse6 (+ c_~A~0.offset 20 .cse5)) (select .cse7 (+ 16 .cse5 c_~B~0.offset)) (select .cse11 (+ c_~A~0.offset .cse5)) (select .cse12 (+ c_~A~0.offset 8 .cse5))))) 4294967296)))))))))))) is different from false [2023-05-20 09:15:23,758 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1425 (Array Int Int))) (let ((.cse14 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_1425))) (let ((.cse2 (select .cse14 c_~C~0.base)) (.cse6 (select .cse14 c_~B~0.base)) (.cse12 (select .cse14 c_~A~0.base)) (.cse15 (* c_thread2Thread1of1ForFork1_~i~1 4))) (let ((.cse1 (let ((.cse20 (store .cse2 (+ .cse15 c_~C~0.offset 4) (+ (select .cse6 (+ .cse15 4 c_~B~0.offset)) (select .cse12 (+ c_~A~0.offset .cse15 4)))))) (store .cse20 (+ .cse15 c_~C~0.offset 8) (let ((.cse21 (store .cse14 c_~C~0.base .cse20))) (+ (select (select .cse21 c_~A~0.base) (+ c_~A~0.offset .cse15 8)) (select (select .cse21 c_~B~0.base) (+ .cse15 8 c_~B~0.offset)))))))) (let ((.cse19 (store .cse14 c_~C~0.base .cse1))) (let ((.cse4 (select .cse19 c_~B~0.base)) (.cse11 (select .cse19 c_~A~0.base))) (let ((.cse0 (let ((.cse17 (store .cse1 (+ .cse15 c_~C~0.offset 12) (+ (select .cse4 (+ .cse15 12 c_~B~0.offset)) (select .cse11 (+ c_~A~0.offset .cse15 12)))))) (store .cse17 (+ .cse15 16 c_~C~0.offset) (let ((.cse18 (store .cse14 c_~C~0.base .cse17))) (+ (select (select .cse18 c_~B~0.base) (+ .cse15 16 c_~B~0.offset)) (select (select .cse18 c_~A~0.base) (+ c_~A~0.offset .cse15 16)))))))) (let ((.cse16 (store .cse14 c_~C~0.base .cse0))) (let ((.cse9 (select .cse16 c_~A~0.base)) (.cse10 (select .cse16 c_~B~0.base))) (let ((.cse3 (store .cse0 (+ .cse15 c_~C~0.offset 20) (+ (select .cse9 (+ c_~A~0.offset .cse15 20)) (select .cse10 (+ .cse15 20 c_~B~0.offset)))))) (= (mod (+ (select .cse0 (+ 16 c_~C~0.offset)) (select .cse1 (+ c_~C~0.offset 4)) (select .cse1 (+ c_~C~0.offset 8)) (select .cse2 c_~C~0.offset) (select .cse0 (+ c_~C~0.offset 12)) (select .cse3 (+ c_~C~0.offset 20)) c_~csum~0) 4294967296) (mod (let ((.cse13 (store .cse14 c_~C~0.base .cse3))) (let ((.cse7 (select .cse13 c_~A~0.base)) (.cse8 (select .cse13 c_~B~0.base)) (.cse5 (* c_thread1Thread1of1ForFork0_~i~0 4))) (+ (select .cse4 (+ 4 .cse5 c_~B~0.offset)) (select .cse6 (+ .cse5 c_~B~0.offset)) c_~asum~0 (select .cse7 (+ c_~A~0.offset 12 .cse5)) (select .cse7 (+ c_~A~0.offset 20 .cse5)) c_~bsum~0 (select .cse8 (+ 20 .cse5 c_~B~0.offset)) (select .cse7 (+ c_~A~0.offset 16 .cse5)) (select .cse8 (+ 16 .cse5 c_~B~0.offset)) (select .cse8 (+ 12 .cse5 c_~B~0.offset)) (select .cse9 (+ c_~A~0.offset 8 .cse5)) (select .cse10 (+ 8 .cse5 c_~B~0.offset)) (select .cse11 (+ c_~A~0.offset 4 .cse5)) (select .cse12 (+ c_~A~0.offset .cse5))))) 4294967296)))))))))))) is different from false [2023-05-20 09:15:25,753 INFO L356 Elim1Store]: treesize reduction 42, result has 62.5 percent of original size [2023-05-20 09:15:25,753 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 122840 treesize of output 40530