/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 X --traceabstraction.defines.what.statements.are.considered.a.step.in.por GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-chromosome-opt-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 13:49:45,099 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 13:49:45,101 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 13:49:45,131 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 13:49:45,131 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 13:49:45,134 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 13:49:45,135 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 13:49:45,137 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 13:49:45,138 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 13:49:45,145 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 13:49:45,145 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 13:49:45,147 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 13:49:45,147 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 13:49:45,149 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 13:49:45,150 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 13:49:45,151 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 13:49:45,151 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 13:49:45,152 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 13:49:45,153 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 13:49:45,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 13:49:45,157 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 13:49:45,158 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 13:49:45,159 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 13:49:45,160 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 13:49:45,165 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 13:49:45,165 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 13:49:45,165 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 13:49:45,166 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 13:49:45,167 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 13:49:45,167 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-20 13:49:45,168 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-20 13:49:45,168 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-20 13:49:45,169 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-20 13:49:45,170 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-20 13:49:45,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-20 13:49:45,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-20 13:49:45,171 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-20 13:49:45,171 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-20 13:49:45,171 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 13:49:45,172 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 13:49:45,172 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 13:49:45,173 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 13:49:45,196 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 13:49:45,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 13:49:45,197 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 13:49:45,197 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 13:49:45,197 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 13:49:45,198 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 13:49:45,198 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 13:49:45,198 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 13:49:45,198 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 13:49:45,198 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 13:49:45,199 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 13:49:45,199 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 13:49:45,199 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 13:49:45,199 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 13:49:45,199 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 13:49:45,199 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 13:49:45,200 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 13:49:45,200 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 13:49:45,200 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 13:49:45,200 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 13:49:45,200 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 13:49:45,200 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 13:49:45,200 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 13:49:45,200 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 13:49:45,200 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 13:49:45,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 13:49:45,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 13:49:45,201 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 13:49:45,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 13:49:45,202 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 13:49:45,202 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 13:49:45,202 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 13:49:45,202 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 13:49:45,202 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 13:49:45,202 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 13:49:45,202 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 13:49:45,203 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-20 13:49:45,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 13:49:45,412 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 13:49:45,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 13:49:45,414 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 13:49:45,415 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 13:49:45,416 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-chromosome-opt-symm.wvr.c [2023-05-20 13:49:45,472 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b7a499e9/d2034a151f0443b69f860643bd253b41/FLAG96cde3ef2 [2023-05-20 13:49:45,818 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 13:49:45,819 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-chromosome-opt-symm.wvr.c [2023-05-20 13:49:45,832 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b7a499e9/d2034a151f0443b69f860643bd253b41/FLAG96cde3ef2 [2023-05-20 13:49:46,232 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b7a499e9/d2034a151f0443b69f860643bd253b41 [2023-05-20 13:49:46,235 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 13:49:46,236 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 13:49:46,238 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 13:49:46,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 13:49:46,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 13:49:46,241 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 01:49:46" (1/1) ... [2023-05-20 13:49:46,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bdec5b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:49:46, skipping insertion in model container [2023-05-20 13:49:46,243 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 01:49:46" (1/1) ... [2023-05-20 13:49:46,247 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 13:49:46,263 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 13:49:46,449 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-chromosome-opt-symm.wvr.c[2566,2579] [2023-05-20 13:49:46,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 13:49:46,467 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 13:49:46,497 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/chl-chromosome-opt-symm.wvr.c[2566,2579] [2023-05-20 13:49:46,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 13:49:46,508 INFO L208 MainTranslator]: Completed translation [2023-05-20 13:49:46,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:49:46 WrapperNode [2023-05-20 13:49:46,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 13:49:46,510 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 13:49:46,510 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 13:49:46,510 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 13:49:46,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:49:46" (1/1) ... [2023-05-20 13:49:46,526 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:49:46" (1/1) ... [2023-05-20 13:49:46,550 INFO L138 Inliner]: procedures = 24, calls = 35, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 174 [2023-05-20 13:49:46,550 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 13:49:46,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 13:49:46,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 13:49:46,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 13:49:46,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:49:46" (1/1) ... [2023-05-20 13:49:46,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:49:46" (1/1) ... [2023-05-20 13:49:46,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:49:46" (1/1) ... [2023-05-20 13:49:46,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:49:46" (1/1) ... [2023-05-20 13:49:46,577 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:49:46" (1/1) ... [2023-05-20 13:49:46,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:49:46" (1/1) ... [2023-05-20 13:49:46,581 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:49:46" (1/1) ... [2023-05-20 13:49:46,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:49:46" (1/1) ... [2023-05-20 13:49:46,583 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 13:49:46,584 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 13:49:46,584 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 13:49:46,584 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 13:49:46,585 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:49:46" (1/1) ... [2023-05-20 13:49:46,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 13:49:46,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 13:49:46,632 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 13:49:46,668 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 13:49:46,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 13:49:46,688 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-20 13:49:46,689 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-20 13:49:46,689 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-20 13:49:46,689 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-20 13:49:46,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 13:49:46,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 13:49:46,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 13:49:46,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-20 13:49:46,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 13:49:46,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 13:49:46,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 13:49:46,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 13:49:46,691 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 13:49:46,786 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 13:49:46,787 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 13:49:46,974 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 13:49:46,987 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 13:49:46,987 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2023-05-20 13:49:46,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 01:49:46 BoogieIcfgContainer [2023-05-20 13:49:46,989 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 13:49:46,990 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 13:49:46,990 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 13:49:47,010 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 13:49:47,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 01:49:46" (1/3) ... [2023-05-20 13:49:47,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c8d7a12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 01:49:47, skipping insertion in model container [2023-05-20 13:49:47,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:49:46" (2/3) ... [2023-05-20 13:49:47,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c8d7a12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 01:49:47, skipping insertion in model container [2023-05-20 13:49:47,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 01:49:46" (3/3) ... [2023-05-20 13:49:47,013 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-opt-symm.wvr.c [2023-05-20 13:49:47,018 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 13:49:47,024 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 13:49:47,024 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 13:49:47,024 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 13:49:47,129 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-20 13:49:47,171 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 13:49:47,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 13:49:47,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 13:49:47,173 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 13:49:47,200 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 13:49:47,214 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 13:49:47,230 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 13:49:47,237 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;@727ac21b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 13:49:47,237 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-20 13:49:47,417 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 13:49:47,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 13:49:47,421 INFO L85 PathProgramCache]: Analyzing trace with hash -818078901, now seen corresponding path program 1 times [2023-05-20 13:49:47,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 13:49:47,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599617763] [2023-05-20 13:49:47,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 13:49:47,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 13:49:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 13:49:47,677 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 13:49:47,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 13:49:47,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599617763] [2023-05-20 13:49:47,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599617763] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 13:49:47,678 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 13:49:47,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 13:49:47,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088315406] [2023-05-20 13:49:47,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 13:49:47,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 13:49:47,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 13:49:47,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 13:49:47,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 13:49:47,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:49:47,704 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 13:49:47,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 73.0) internal successors, (146), 2 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 13:49:47,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:49:47,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:49:47,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 13:49:47,772 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 13:49:47,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 13:49:47,774 INFO L85 PathProgramCache]: Analyzing trace with hash 677860613, now seen corresponding path program 1 times [2023-05-20 13:49:47,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 13:49:47,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689904686] [2023-05-20 13:49:47,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 13:49:47,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 13:49:47,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 13:49:48,096 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 13:49:48,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 13:49:48,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689904686] [2023-05-20 13:49:48,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689904686] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 13:49:48,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [506336356] [2023-05-20 13:49:48,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 13:49:48,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 13:49:48,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 13:49:48,099 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 13:49:48,134 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 13:49:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 13:49:48,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 4 conjunts are in the unsatisfiable core [2023-05-20 13:49:48,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 13:49:48,356 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 13:49:48,356 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-20 13:49:48,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [506336356] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 13:49:48,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-20 13:49:48,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2023-05-20 13:49:48,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605907565] [2023-05-20 13:49:48,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 13:49:48,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-20 13:49:48,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 13:49:48,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-20 13:49:48,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-05-20 13:49:48,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:49:48,359 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 13:49:48,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 13:49:48,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:49:48,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:49:48,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:49:48,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:49:48,476 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 13:49:48,665 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,SelfDestructingSolverStorable1 [2023-05-20 13:49:48,668 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 13:49:48,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 13:49:48,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1917793423, now seen corresponding path program 1 times [2023-05-20 13:49:48,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 13:49:48,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142590147] [2023-05-20 13:49:48,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 13:49:48,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 13:49:48,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 13:49:48,889 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 13:49:48,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 13:49:48,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142590147] [2023-05-20 13:49:48,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142590147] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 13:49:48,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [612635099] [2023-05-20 13:49:48,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 13:49:48,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 13:49:48,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 13:49:48,895 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 13:49:48,934 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 13:49:48,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 13:49:48,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 6 conjunts are in the unsatisfiable core [2023-05-20 13:49:49,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 13:49:49,131 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 13:49:49,131 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 13:49:49,227 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 13:49:49,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [612635099] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 13:49:49,230 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 13:49:49,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 16 [2023-05-20 13:49:49,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119448275] [2023-05-20 13:49:49,230 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 13:49:49,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-05-20 13:49:49,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 13:49:49,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-05-20 13:49:49,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2023-05-20 13:49:49,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:49:49,232 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 13:49:49,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 19.5) internal successors, (312), 16 states have internal predecessors, (312), 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 13:49:49,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:49:49,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:49:49,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:49:49,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:49:49,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:49:49,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:49:49,538 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 13:49:49,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 13:49:49,736 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 13:49:49,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 13:49:49,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1537196888, now seen corresponding path program 1 times [2023-05-20 13:49:49,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 13:49:49,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227973012] [2023-05-20 13:49:49,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 13:49:49,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 13:49:49,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 13:49:50,041 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-05-20 13:49:50,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 13:49:50,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227973012] [2023-05-20 13:49:50,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227973012] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 13:49:50,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614671455] [2023-05-20 13:49:50,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 13:49:50,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 13:49:50,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 13:49:50,058 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 13:49:50,084 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 13:49:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 13:49:50,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-20 13:49:50,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 13:49:50,328 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-05-20 13:49:50,329 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 13:49:50,447 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-05-20 13:49:50,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1614671455] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 13:49:50,448 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 13:49:50,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2023-05-20 13:49:50,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916304488] [2023-05-20 13:49:50,449 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 13:49:50,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-05-20 13:49:50,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 13:49:50,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-05-20 13:49:50,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2023-05-20 13:49:50,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:49:50,451 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 13:49:50,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 10.181818181818182) internal successors, (224), 22 states have internal predecessors, (224), 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 13:49:50,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:49:50,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:49:50,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:49:50,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:49:50,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:49:50,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:49:50,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:49:50,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 13:49:50,725 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 13:49:50,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 13:49:50,911 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 13:49:50,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 13:49:50,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1759483560, now seen corresponding path program 2 times [2023-05-20 13:49:50,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 13:49:50,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303165896] [2023-05-20 13:49:50,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 13:49:50,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 13:49:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 13:49:51,144 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2023-05-20 13:49:51,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 13:49:51,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303165896] [2023-05-20 13:49:51,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303165896] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 13:49:51,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 13:49:51,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 13:49:51,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656152924] [2023-05-20 13:49:51,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 13:49:51,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 13:49:51,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 13:49:51,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 13:49:51,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-20 13:49:51,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:49:51,149 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 13:49:51,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.5) internal successors, (159), 6 states have internal predecessors, (159), 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 13:49:51,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:49:51,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:49:51,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:49:51,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 13:49:51,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:49:51,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:49:51,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:49:51,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:49:51,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 13:49:51,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 13:49:51,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-05-20 13:49:51,246 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 13:49:51,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 13:49:51,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1568604919, now seen corresponding path program 1 times [2023-05-20 13:49:51,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 13:49:51,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089898243] [2023-05-20 13:49:51,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 13:49:51,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 13:49:51,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 13:49:51,579 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-05-20 13:49:51,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 13:49:51,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089898243] [2023-05-20 13:49:51,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089898243] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 13:49:51,580 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 13:49:51,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 13:49:51,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777748902] [2023-05-20 13:49:51,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 13:49:51,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 13:49:51,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 13:49:51,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 13:49:51,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-05-20 13:49:51,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:49:51,582 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 13:49:51,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.833333333333332) internal successors, (161), 6 states have internal predecessors, (161), 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 13:49:51,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:49:51,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:49:51,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:49:51,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 13:49:51,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 13:49:51,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:49:51,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:49:51,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:49:51,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:49:51,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 13:49:51,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 13:49:51,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:49:51,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-05-20 13:49:51,654 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 13:49:51,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 13:49:51,654 INFO L85 PathProgramCache]: Analyzing trace with hash -126027226, now seen corresponding path program 1 times [2023-05-20 13:49:51,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 13:49:51,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290087966] [2023-05-20 13:49:51,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 13:49:51,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 13:49:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 13:49:53,056 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-05-20 13:49:53,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 13:49:53,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290087966] [2023-05-20 13:49:53,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290087966] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 13:49:53,057 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 13:49:53,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-05-20 13:49:53,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120432375] [2023-05-20 13:49:53,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 13:49:53,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-05-20 13:49:53,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 13:49:53,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-05-20 13:49:53,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=455, Unknown=0, NotChecked=0, Total=552 [2023-05-20 13:49:53,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:49:53,058 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 13:49:53,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 7.666666666666667) internal successors, (184), 24 states have internal predecessors, (184), 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 13:49:53,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:49:53,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:49:53,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:49:53,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 13:49:53,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 13:49:53,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:49:53,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:49:53,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:49:53,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:49:53,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:49:53,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 13:49:53,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 13:49:53,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:49:53,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-20 13:49:53,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-05-20 13:49:53,730 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 13:49:53,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 13:49:53,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1866524001, now seen corresponding path program 1 times [2023-05-20 13:49:53,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 13:49:53,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196653446] [2023-05-20 13:49:53,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 13:49:53,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 13:49:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 13:49:55,150 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-05-20 13:49:55,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 13:49:55,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196653446] [2023-05-20 13:49:55,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196653446] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 13:49:55,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 13:49:55,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2023-05-20 13:49:55,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128963241] [2023-05-20 13:49:55,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 13:49:55,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-05-20 13:49:55,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 13:49:55,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-05-20 13:49:55,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=773, Unknown=0, NotChecked=0, Total=870 [2023-05-20 13:49:55,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:49:55,152 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 13:49:55,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 5.566666666666666) internal successors, (167), 30 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 13:49:55,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:49:55,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:49:55,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:49:55,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 13:49:55,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 13:49:55,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:49:55,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-20 13:49:55,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:49:56,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:49:56,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:49:56,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:49:56,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 13:49:56,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 13:49:56,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:49:56,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-20 13:49:56,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-20 13:49:56,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-05-20 13:49:56,642 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 13:49:56,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 13:49:56,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1292824388, now seen corresponding path program 1 times [2023-05-20 13:49:56,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 13:49:56,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084985430] [2023-05-20 13:49:56,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 13:49:56,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 13:49:56,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 13:49:56,814 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-05-20 13:49:56,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 13:49:56,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084985430] [2023-05-20 13:49:56,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084985430] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 13:49:56,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [764491763] [2023-05-20 13:49:56,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 13:49:56,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 13:49:56,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 13:49:56,834 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 13:49:56,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-20 13:49:56,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 13:49:56,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 7 conjunts are in the unsatisfiable core [2023-05-20 13:49:56,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 13:49:57,107 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-05-20 13:49:57,107 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 13:49:57,345 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-05-20 13:49:57,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [764491763] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 13:49:57,346 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 13:49:57,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 16 [2023-05-20 13:49:57,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761121029] [2023-05-20 13:49:57,347 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 13:49:57,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-05-20 13:49:57,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 13:49:57,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-05-20 13:49:57,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2023-05-20 13:49:57,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:49:57,350 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 13:49:57,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 19.5) internal successors, (312), 16 states have internal predecessors, (312), 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 13:49:57,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:49:57,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:49:57,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:49:57,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 13:49:57,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 13:49:57,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:49:57,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-20 13:49:57,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-20 13:49:57,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:49:57,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:49:57,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:49:57,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:49:57,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 13:49:57,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 13:49:57,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:49:57,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-20 13:49:57,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-20 13:49:57,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:49:57,491 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 13:49:57,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 13:49:57,689 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 13:49:57,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 13:49:57,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1703553873, now seen corresponding path program 2 times [2023-05-20 13:49:57,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 13:49:57,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634125714] [2023-05-20 13:49:57,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 13:49:57,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 13:49:57,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 13:49:59,051 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 74 proven. 2 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2023-05-20 13:49:59,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 13:49:59,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634125714] [2023-05-20 13:49:59,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634125714] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 13:49:59,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981556663] [2023-05-20 13:49:59,052 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 13:49:59,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 13:49:59,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 13:49:59,067 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 13:49:59,069 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 13:49:59,259 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 13:49:59,259 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 13:49:59,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 34 conjunts are in the unsatisfiable core [2023-05-20 13:49:59,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 13:49:59,636 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 13:49:59,636 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 22 [2023-05-20 13:49:59,733 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 74 proven. 2 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2023-05-20 13:49:59,733 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 13:49:59,920 INFO L356 Elim1Store]: treesize reduction 32, result has 62.4 percent of original size [2023-05-20 13:49:59,920 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 61 [2023-05-20 13:50:00,000 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 74 proven. 2 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2023-05-20 13:50:00,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981556663] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 13:50:00,000 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 13:50:00,000 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 16, 11] total 42 [2023-05-20 13:50:00,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068287700] [2023-05-20 13:50:00,001 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 13:50:00,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2023-05-20 13:50:00,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 13:50:00,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2023-05-20 13:50:00,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=1491, Unknown=0, NotChecked=0, Total=1722 [2023-05-20 13:50:00,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:00,004 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 13:50:00,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 9.19047619047619) internal successors, (386), 42 states have internal predecessors, (386), 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 13:50:00,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:00,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:50:00,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:00,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 13:50:00,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 13:50:00,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:50:00,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-20 13:50:00,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-20 13:50:00,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:00,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:01,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:01,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:50:01,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:01,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 13:50:01,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 13:50:01,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:50:01,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-20 13:50:01,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-20 13:50:01,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:01,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-20 13:50:01,132 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 13:50:01,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 13:50:01,321 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 13:50:01,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 13:50:01,321 INFO L85 PathProgramCache]: Analyzing trace with hash 188710877, now seen corresponding path program 1 times [2023-05-20 13:50:01,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 13:50:01,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014411695] [2023-05-20 13:50:01,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 13:50:01,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 13:50:01,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 13:50:03,360 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 98 proven. 25 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2023-05-20 13:50:03,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 13:50:03,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014411695] [2023-05-20 13:50:03,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014411695] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 13:50:03,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [121722532] [2023-05-20 13:50:03,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 13:50:03,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 13:50:03,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 13:50:03,362 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 13:50:03,364 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 13:50:03,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 13:50:03,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 57 conjunts are in the unsatisfiable core [2023-05-20 13:50:03,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 13:50:04,278 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 13:50:04,278 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 25 [2023-05-20 13:50:04,383 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 98 proven. 75 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2023-05-20 13:50:04,383 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 13:50:04,632 INFO L356 Elim1Store]: treesize reduction 32, result has 62.4 percent of original size [2023-05-20 13:50:04,633 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 61 [2023-05-20 13:50:04,994 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 99 proven. 22 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2023-05-20 13:50:04,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [121722532] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 13:50:04,994 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 13:50:04,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28, 18] total 66 [2023-05-20 13:50:04,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200353404] [2023-05-20 13:50:04,994 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 13:50:04,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2023-05-20 13:50:04,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 13:50:04,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2023-05-20 13:50:04,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=311, Invalid=3979, Unknown=0, NotChecked=0, Total=4290 [2023-05-20 13:50:04,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:04,997 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 13:50:04,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 7.318181818181818) internal successors, (483), 66 states have internal predecessors, (483), 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 13:50:04,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:04,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:50:04,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:04,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 13:50:04,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 13:50:04,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:50:04,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-20 13:50:04,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-20 13:50:04,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:04,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-20 13:50:04,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:09,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:09,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:50:09,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:09,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 13:50:09,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 13:50:09,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:50:09,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-20 13:50:09,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-20 13:50:09,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:09,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-20 13:50:09,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-05-20 13:50:09,408 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 13:50:09,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 13:50:09,593 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 13:50:09,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 13:50:09,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1635200938, now seen corresponding path program 1 times [2023-05-20 13:50:09,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 13:50:09,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410388349] [2023-05-20 13:50:09,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 13:50:09,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 13:50:09,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 13:50:09,962 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2023-05-20 13:50:09,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 13:50:09,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410388349] [2023-05-20 13:50:09,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410388349] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 13:50:09,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 13:50:09,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-05-20 13:50:09,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075209414] [2023-05-20 13:50:09,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 13:50:09,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-05-20 13:50:09,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 13:50:09,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-05-20 13:50:09,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2023-05-20 13:50:09,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:09,965 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 13:50:09,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 17.454545454545453) internal successors, (192), 11 states have internal predecessors, (192), 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 13:50:09,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:09,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:50:09,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:09,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 13:50:09,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 13:50:09,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:50:09,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-20 13:50:09,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-20 13:50:09,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:09,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-20 13:50:09,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-05-20 13:50:09,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:10,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:10,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:50:10,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:10,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 13:50:10,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 13:50:10,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:50:10,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-20 13:50:10,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-20 13:50:10,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:10,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-20 13:50:10,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-20 13:50:10,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 13:50:10,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-05-20 13:50:10,783 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 13:50:10,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 13:50:10,784 INFO L85 PathProgramCache]: Analyzing trace with hash -127910876, now seen corresponding path program 2 times [2023-05-20 13:50:10,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 13:50:10,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403668644] [2023-05-20 13:50:10,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 13:50:10,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 13:50:10,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 13:50:10,852 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2023-05-20 13:50:10,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 13:50:10,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403668644] [2023-05-20 13:50:10,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403668644] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 13:50:10,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 13:50:10,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-20 13:50:10,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025206922] [2023-05-20 13:50:10,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 13:50:10,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-20 13:50:10,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 13:50:10,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-20 13:50:10,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-20 13:50:10,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:10,855 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 13:50:10,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 52.25) internal successors, (209), 4 states have internal predecessors, (209), 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 13:50:10,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:10,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:50:10,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:10,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 13:50:10,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 13:50:10,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:50:10,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-20 13:50:10,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-20 13:50:10,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:10,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-20 13:50:10,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-20 13:50:10,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 13:50:10,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:11,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:11,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:50:11,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:11,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 13:50:11,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 13:50:11,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:50:11,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-20 13:50:11,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-20 13:50:11,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:11,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-20 13:50:11,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-05-20 13:50:11,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 13:50:11,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:50:11,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-05-20 13:50:11,352 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 13:50:11,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 13:50:11,353 INFO L85 PathProgramCache]: Analyzing trace with hash -66544475, now seen corresponding path program 1 times [2023-05-20 13:50:11,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 13:50:11,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125324778] [2023-05-20 13:50:11,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 13:50:11,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 13:50:11,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 13:50:13,037 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 105 proven. 35 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2023-05-20 13:50:13,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 13:50:13,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125324778] [2023-05-20 13:50:13,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125324778] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 13:50:13,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950439766] [2023-05-20 13:50:13,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 13:50:13,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 13:50:13,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 13:50:13,053 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 13:50:13,069 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 13:50:13,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 13:50:13,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 50 conjunts are in the unsatisfiable core [2023-05-20 13:50:13,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 13:50:13,719 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 13:50:13,719 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 22 [2023-05-20 13:50:13,782 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 105 proven. 85 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2023-05-20 13:50:13,782 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 13:50:14,137 INFO L356 Elim1Store]: treesize reduction 34, result has 62.6 percent of original size [2023-05-20 13:50:14,137 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 43 treesize of output 65 [2023-05-20 13:50:14,301 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 105 proven. 35 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2023-05-20 13:50:14,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1950439766] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 13:50:14,301 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 13:50:14,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 17, 15] total 52 [2023-05-20 13:50:14,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179867666] [2023-05-20 13:50:14,302 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 13:50:14,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2023-05-20 13:50:14,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 13:50:14,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2023-05-20 13:50:14,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=2456, Unknown=0, NotChecked=0, Total=2652 [2023-05-20 13:50:14,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:14,304 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 13:50:14,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 8.846153846153847) internal successors, (460), 52 states have internal predecessors, (460), 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 13:50:14,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:14,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:50:14,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:14,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 13:50:14,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 13:50:14,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:50:14,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-20 13:50:14,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-20 13:50:14,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:14,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-20 13:50:14,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-05-20 13:50:14,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 13:50:14,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:50:14,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:17,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:50:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 13:50:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 13:50:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:50:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-20 13:50:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-20 13:50:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-20 13:50:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-05-20 13:50:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 13:50:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:50:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2023-05-20 13:50:17,318 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 13:50:17,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-05-20 13:50:17,501 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 13:50:17,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 13:50:17,502 INFO L85 PathProgramCache]: Analyzing trace with hash -490338248, now seen corresponding path program 1 times [2023-05-20 13:50:17,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 13:50:17,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182777412] [2023-05-20 13:50:17,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 13:50:17,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 13:50:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 13:50:17,651 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 108 proven. 37 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2023-05-20 13:50:17,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 13:50:17,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182777412] [2023-05-20 13:50:17,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182777412] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 13:50:17,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [502055412] [2023-05-20 13:50:17,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 13:50:17,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 13:50:17,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 13:50:17,657 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 13:50:17,659 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 13:50:17,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 13:50:17,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 7 conjunts are in the unsatisfiable core [2023-05-20 13:50:17,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 13:50:17,942 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 108 proven. 37 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2023-05-20 13:50:17,942 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 13:50:18,103 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 108 proven. 37 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2023-05-20 13:50:18,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [502055412] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 13:50:18,109 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 13:50:18,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 16 [2023-05-20 13:50:18,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796261113] [2023-05-20 13:50:18,109 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 13:50:18,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-05-20 13:50:18,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 13:50:18,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-05-20 13:50:18,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2023-05-20 13:50:18,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:18,110 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 13:50:18,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 22.125) internal successors, (354), 16 states have internal predecessors, (354), 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 13:50:18,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:18,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:50:18,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:18,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 13:50:18,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 13:50:18,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:50:18,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-20 13:50:18,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-20 13:50:18,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:18,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-20 13:50:18,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-05-20 13:50:18,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 13:50:18,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:50:18,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2023-05-20 13:50:18,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:18,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:18,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:50:18,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:18,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 13:50:18,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 13:50:18,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:50:18,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-20 13:50:18,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-20 13:50:18,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:18,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-20 13:50:18,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2023-05-20 13:50:18,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 13:50:18,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:50:18,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-05-20 13:50:18,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 13:50:18,989 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-20 13:50:19,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-05-20 13:50:19,181 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 13:50:19,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 13:50:19,181 INFO L85 PathProgramCache]: Analyzing trace with hash -844046940, now seen corresponding path program 1 times [2023-05-20 13:50:19,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 13:50:19,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454099933] [2023-05-20 13:50:19,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 13:50:19,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 13:50:19,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 13:50:19,398 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 253 proven. 80 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-05-20 13:50:19,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 13:50:19,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454099933] [2023-05-20 13:50:19,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454099933] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 13:50:19,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585560728] [2023-05-20 13:50:19,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 13:50:19,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 13:50:19,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 13:50:19,400 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 13:50:19,402 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 13:50:19,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 13:50:19,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-20 13:50:19,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 13:50:19,738 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 333 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-05-20 13:50:19,738 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-20 13:50:19,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [585560728] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 13:50:19,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-20 13:50:19,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 15 [2023-05-20 13:50:19,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806360004] [2023-05-20 13:50:19,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 13:50:19,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-05-20 13:50:19,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 13:50:19,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-05-20 13:50:19,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2023-05-20 13:50:19,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:19,758 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 13:50:19,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 23.46153846153846) internal successors, (305), 13 states have internal predecessors, (305), 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 13:50:19,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:19,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:50:19,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:19,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 13:50:19,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 13:50:19,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:50:19,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-20 13:50:19,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-20 13:50:19,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:19,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-20 13:50:19,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2023-05-20 13:50:19,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 13:50:19,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:50:19,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2023-05-20 13:50:19,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 13:50:19,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:19,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:19,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:50:19,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:19,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 13:50:19,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 13:50:19,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:50:19,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-20 13:50:19,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-20 13:50:19,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:19,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-20 13:50:19,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2023-05-20 13:50:19,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 13:50:19,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:50:19,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-05-20 13:50:19,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 13:50:19,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 13:50:19,998 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-05-20 13:50:20,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-05-20 13:50:20,199 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 13:50:20,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 13:50:20,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1769878167, now seen corresponding path program 2 times [2023-05-20 13:50:20,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 13:50:20,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697530570] [2023-05-20 13:50:20,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 13:50:20,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 13:50:20,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 13:50:22,693 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 89 proven. 227 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-05-20 13:50:22,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 13:50:22,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697530570] [2023-05-20 13:50:22,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697530570] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 13:50:22,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2083804405] [2023-05-20 13:50:22,694 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 13:50:22,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 13:50:22,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 13:50:22,696 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 13:50:22,697 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 13:50:22,850 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 13:50:22,850 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 13:50:22,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 82 conjunts are in the unsatisfiable core [2023-05-20 13:50:22,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 13:50:24,221 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 13:50:24,222 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 22 [2023-05-20 13:50:24,303 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 65 proven. 331 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-05-20 13:50:24,303 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 13:50:24,702 INFO L356 Elim1Store]: treesize reduction 34, result has 62.6 percent of original size [2023-05-20 13:50:24,702 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 43 treesize of output 65 [2023-05-20 13:50:24,992 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 65 proven. 123 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2023-05-20 13:50:24,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2083804405] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 13:50:24,992 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 13:50:24,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 40, 16] total 80 [2023-05-20 13:50:24,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25251563] [2023-05-20 13:50:24,992 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 13:50:24,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2023-05-20 13:50:24,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 13:50:24,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2023-05-20 13:50:24,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=341, Invalid=5979, Unknown=0, NotChecked=0, Total=6320 [2023-05-20 13:50:24,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:24,995 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 13:50:24,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 8.475) internal successors, (678), 80 states have internal predecessors, (678), 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 13:50:24,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:24,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:50:24,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:24,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 13:50:24,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 13:50:24,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:50:24,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-20 13:50:24,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-20 13:50:24,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:24,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-20 13:50:24,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2023-05-20 13:50:24,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 13:50:24,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:50:24,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2023-05-20 13:50:24,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 13:50:24,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 13:50:24,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:35,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:35,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:50:35,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:35,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 13:50:35,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 13:50:35,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:50:35,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-20 13:50:35,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-20 13:50:35,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:35,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-20 13:50:35,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2023-05-20 13:50:35,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 13:50:35,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:50:35,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-05-20 13:50:35,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:35,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 13:50:35,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2023-05-20 13:50:35,676 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 13:50:35,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-05-20 13:50:35,873 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 13:50:35,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 13:50:35,873 INFO L85 PathProgramCache]: Analyzing trace with hash -208376629, now seen corresponding path program 3 times [2023-05-20 13:50:35,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 13:50:35,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945632742] [2023-05-20 13:50:35,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 13:50:35,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 13:50:35,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 13:50:36,255 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 362 proven. 151 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-05-20 13:50:36,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 13:50:36,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945632742] [2023-05-20 13:50:36,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945632742] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 13:50:36,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [656641300] [2023-05-20 13:50:36,256 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 13:50:36,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 13:50:36,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 13:50:36,257 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 13:50:36,292 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 13:50:36,519 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-05-20 13:50:36,519 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 13:50:36,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-20 13:50:36,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 13:50:36,694 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 513 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-05-20 13:50:36,694 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-20 13:50:36,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [656641300] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 13:50:36,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-20 13:50:36,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [15] total 17 [2023-05-20 13:50:36,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744730204] [2023-05-20 13:50:36,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 13:50:36,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-05-20 13:50:36,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 13:50:36,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-05-20 13:50:36,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2023-05-20 13:50:36,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:36,696 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 13:50:36,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 22.733333333333334) internal successors, (341), 15 states have internal predecessors, (341), 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 13:50:36,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:36,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:50:36,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:36,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 13:50:36,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 13:50:36,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:50:36,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-20 13:50:36,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-20 13:50:36,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:36,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-20 13:50:36,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2023-05-20 13:50:36,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 13:50:36,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:50:36,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2023-05-20 13:50:36,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:36,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 13:50:36,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2023-05-20 13:50:36,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:36,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:36,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:50:36,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:36,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 13:50:36,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 13:50:36,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:50:36,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-20 13:50:36,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-20 13:50:36,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:36,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-20 13:50:36,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2023-05-20 13:50:36,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 13:50:36,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:50:36,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-05-20 13:50:36,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:36,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 13:50:36,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2023-05-20 13:50:36,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 13:50:36,978 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 13:50:37,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-05-20 13:50:37,169 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 13:50:37,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 13:50:37,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1751718318, now seen corresponding path program 2 times [2023-05-20 13:50:37,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 13:50:37,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263343767] [2023-05-20 13:50:37,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 13:50:37,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 13:50:37,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 13:50:37,405 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 500 trivial. 0 not checked. [2023-05-20 13:50:37,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 13:50:37,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263343767] [2023-05-20 13:50:37,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263343767] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 13:50:37,405 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 13:50:37,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 13:50:37,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399209298] [2023-05-20 13:50:37,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 13:50:37,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 13:50:37,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 13:50:37,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 13:50:37,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-20 13:50:37,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:37,408 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 13:50:37,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.166666666666668) internal successors, (175), 6 states have internal predecessors, (175), 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 13:50:37,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:37,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:50:37,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:37,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 13:50:37,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 13:50:37,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:50:37,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-20 13:50:37,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-20 13:50:37,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:37,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-20 13:50:37,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2023-05-20 13:50:37,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 13:50:37,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:50:37,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2023-05-20 13:50:37,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:37,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 13:50:37,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2023-05-20 13:50:37,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 13:50:37,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:37,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:37,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:50:37,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:37,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 13:50:37,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 13:50:37,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:50:37,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-20 13:50:37,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-20 13:50:37,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:37,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-20 13:50:37,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2023-05-20 13:50:37,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 13:50:37,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:50:37,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-05-20 13:50:37,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:37,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 13:50:37,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2023-05-20 13:50:37,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 13:50:37,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 13:50:37,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-05-20 13:50:37,881 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 13:50:37,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 13:50:37,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1102166154, now seen corresponding path program 1 times [2023-05-20 13:50:37,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 13:50:37,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690914436] [2023-05-20 13:50:37,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 13:50:37,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 13:50:37,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 13:50:40,540 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 121 proven. 205 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-05-20 13:50:40,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 13:50:40,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690914436] [2023-05-20 13:50:40,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690914436] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 13:50:40,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [858642785] [2023-05-20 13:50:40,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 13:50:40,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 13:50:40,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 13:50:40,542 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 13:50:40,547 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 13:50:40,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 13:50:40,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 98 conjunts are in the unsatisfiable core [2023-05-20 13:50:40,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 13:50:41,783 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 13:50:41,783 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 25 [2023-05-20 13:50:41,941 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 53 proven. 426 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-20 13:50:41,941 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 13:50:42,200 INFO L356 Elim1Store]: treesize reduction 32, result has 62.4 percent of original size [2023-05-20 13:50:42,200 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 61 [2023-05-20 13:50:42,573 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 53 proven. 64 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2023-05-20 13:50:42,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [858642785] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 13:50:42,573 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 13:50:42,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 35, 14] total 88 [2023-05-20 13:50:42,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671802314] [2023-05-20 13:50:42,574 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 13:50:42,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2023-05-20 13:50:42,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 13:50:42,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2023-05-20 13:50:42,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=341, Invalid=7315, Unknown=0, NotChecked=0, Total=7656 [2023-05-20 13:50:42,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:42,577 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 13:50:42,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 7.318181818181818) internal successors, (644), 88 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 13:50:42,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:42,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:50:42,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:42,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 13:50:42,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 13:50:42,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:50:42,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-20 13:50:42,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-20 13:50:42,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:42,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-20 13:50:42,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2023-05-20 13:50:42,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 13:50:42,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:50:42,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2023-05-20 13:50:42,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:42,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 13:50:42,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2023-05-20 13:50:42,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 13:50:42,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 13:50:42,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:54,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:54,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:50:54,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:54,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 13:50:54,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 13:50:54,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:50:54,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-20 13:50:54,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-20 13:50:54,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:54,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-20 13:50:54,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2023-05-20 13:50:54,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 13:50:54,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:50:54,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-05-20 13:50:54,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:54,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 13:50:54,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2023-05-20 13:50:54,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 13:50:54,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 13:50:54,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2023-05-20 13:50:54,119 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 13:50:54,289 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,SelfDestructingSolverStorable19 [2023-05-20 13:50:54,290 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 13:50:54,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 13:50:54,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1594976976, now seen corresponding path program 1 times [2023-05-20 13:50:54,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 13:50:54,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401122940] [2023-05-20 13:50:54,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 13:50:54,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 13:50:54,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 13:50:56,793 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 73 proven. 241 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-05-20 13:50:56,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 13:50:56,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401122940] [2023-05-20 13:50:56,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401122940] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 13:50:56,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [533929228] [2023-05-20 13:50:56,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 13:50:56,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 13:50:56,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 13:50:56,795 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 13:50:56,796 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 13:50:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 13:50:56,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 670 conjuncts, 101 conjunts are in the unsatisfiable core [2023-05-20 13:50:56,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 13:50:58,238 INFO L356 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2023-05-20 13:50:58,238 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 21 [2023-05-20 13:50:58,312 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 17 proven. 450 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-20 13:50:58,312 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 13:50:58,770 INFO L356 Elim1Store]: treesize reduction 34, result has 62.6 percent of original size [2023-05-20 13:50:58,771 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 43 treesize of output 65 [2023-05-20 13:50:59,268 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 20 proven. 133 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2023-05-20 13:50:59,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [533929228] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 13:50:59,268 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 13:50:59,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 39, 20] total 96 [2023-05-20 13:50:59,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452760872] [2023-05-20 13:50:59,268 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 13:50:59,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2023-05-20 13:50:59,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 13:50:59,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2023-05-20 13:50:59,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=387, Invalid=8733, Unknown=0, NotChecked=0, Total=9120 [2023-05-20 13:50:59,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:59,272 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 13:50:59,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 7.25) internal successors, (696), 96 states have internal predecessors, (696), 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 13:50:59,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:50:59,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:50:59,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:59,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 13:50:59,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 13:50:59,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:50:59,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-20 13:50:59,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-20 13:50:59,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:59,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-20 13:50:59,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2023-05-20 13:50:59,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 13:50:59,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:50:59,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2023-05-20 13:50:59,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:50:59,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 13:50:59,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2023-05-20 13:50:59,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 13:50:59,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 13:50:59,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2023-05-20 13:50:59,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:51:08,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:51:08,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:51:08,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:51:08,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 13:51:08,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 13:51:08,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:51:08,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-20 13:51:08,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-20 13:51:08,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:51:08,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-20 13:51:08,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2023-05-20 13:51:08,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 13:51:08,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:51:08,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-05-20 13:51:08,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:51:08,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 13:51:08,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2023-05-20 13:51:08,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 13:51:08,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 13:51:08,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2023-05-20 13:51:08,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2023-05-20 13:51:08,859 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 13:51:09,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 13:51:09,037 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 13:51:09,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 13:51:09,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1394994743, now seen corresponding path program 1 times [2023-05-20 13:51:09,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 13:51:09,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377642671] [2023-05-20 13:51:09,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 13:51:09,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 13:51:09,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 13:51:12,999 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 56 proven. 316 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-05-20 13:51:12,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 13:51:12,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377642671] [2023-05-20 13:51:12,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377642671] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 13:51:12,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1451900403] [2023-05-20 13:51:13,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 13:51:13,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 13:51:13,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 13:51:13,001 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 13:51:13,002 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 13:51:13,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 13:51:13,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 18 conjunts are in the unsatisfiable core [2023-05-20 13:51:13,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 13:51:13,459 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2023-05-20 13:51:13,460 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-20 13:51:13,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1451900403] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 13:51:13,460 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-20 13:51:13,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [65] total 72 [2023-05-20 13:51:13,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426034188] [2023-05-20 13:51:13,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 13:51:13,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-05-20 13:51:13,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 13:51:13,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-05-20 13:51:13,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=4852, Unknown=0, NotChecked=0, Total=5112 [2023-05-20 13:51:13,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:51:13,462 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 13:51:13,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 17.818181818181817) internal successors, (196), 11 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 13:51:13,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:51:13,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:51:13,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:51:13,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 13:51:13,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 13:51:13,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:51:13,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-20 13:51:13,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-20 13:51:13,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:51:13,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-20 13:51:13,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2023-05-20 13:51:13,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 13:51:13,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:51:13,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2023-05-20 13:51:13,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:51:13,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 13:51:13,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2023-05-20 13:51:13,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 13:51:13,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 13:51:13,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2023-05-20 13:51:13,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2023-05-20 13:51:13,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:51:44,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:51:44,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:51:44,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:51:44,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 13:51:44,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 13:51:44,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:51:44,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-20 13:51:44,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-05-20 13:51:44,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:51:44,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-20 13:51:44,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2023-05-20 13:51:44,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 13:51:44,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:51:44,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2023-05-20 13:51:44,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:51:44,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 13:51:44,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 251 states. [2023-05-20 13:51:44,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 13:51:44,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 13:51:44,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2023-05-20 13:51:44,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 282 states. [2023-05-20 13:51:44,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 13:51:44,778 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 13:51:44,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 13:51:44,965 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 13:51:44,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 13:51:44,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1464796218, now seen corresponding path program 1 times [2023-05-20 13:51:44,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 13:51:44,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109857241] [2023-05-20 13:51:44,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 13:51:44,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 13:51:44,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 13:51:46,131 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2023-05-20 13:51:46,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 13:51:46,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109857241] [2023-05-20 13:51:46,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109857241] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 13:51:46,132 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 13:51:46,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2023-05-20 13:51:46,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828652464] [2023-05-20 13:51:46,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 13:51:46,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-05-20 13:51:46,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 13:51:46,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-05-20 13:51:46,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2023-05-20 13:51:46,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:51:46,133 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 13:51:46,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 7.36) internal successors, (184), 25 states have internal predecessors, (184), 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 13:51:46,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:51:46,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:51:46,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:51:46,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 13:51:46,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 13:51:46,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:51:46,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-20 13:51:46,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2023-05-20 13:51:46,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:51:46,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-20 13:51:46,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2023-05-20 13:51:46,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 13:51:46,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:51:46,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2023-05-20 13:51:46,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:51:46,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 13:51:46,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 251 states. [2023-05-20 13:51:46,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 13:51:46,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 13:51:46,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 220 states. [2023-05-20 13:51:46,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 282 states. [2023-05-20 13:51:46,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 13:51:46,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:51:47,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:51:47,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:51:47,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:51:47,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 13:51:47,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 13:51:47,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:51:47,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-20 13:51:47,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-05-20 13:51:47,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:51:47,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-20 13:51:47,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2023-05-20 13:51:47,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 13:51:47,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:51:47,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2023-05-20 13:51:47,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:51:47,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 13:51:47,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 251 states. [2023-05-20 13:51:47,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 13:51:47,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 13:51:47,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2023-05-20 13:51:47,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 282 states. [2023-05-20 13:51:47,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 13:51:47,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-20 13:51:47,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-05-20 13:51:47,627 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 13:51:47,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 13:51:47,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1020943412, now seen corresponding path program 2 times [2023-05-20 13:51:47,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 13:51:47,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764142675] [2023-05-20 13:51:47,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 13:51:47,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 13:51:47,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 13:51:48,809 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2023-05-20 13:51:48,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 13:51:48,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764142675] [2023-05-20 13:51:48,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764142675] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 13:51:48,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 13:51:48,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-05-20 13:51:48,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388839601] [2023-05-20 13:51:48,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 13:51:48,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-05-20 13:51:48,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 13:51:48,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-05-20 13:51:48,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=591, Unknown=0, NotChecked=0, Total=650 [2023-05-20 13:51:48,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:51:48,811 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 13:51:48,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 7.076923076923077) internal successors, (184), 26 states have internal predecessors, (184), 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 13:51:48,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:51:48,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:51:48,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:51:48,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 13:51:48,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 13:51:48,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:51:48,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-20 13:51:48,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2023-05-20 13:51:48,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:51:48,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-20 13:51:48,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2023-05-20 13:51:48,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 13:51:48,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:51:48,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2023-05-20 13:51:48,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:51:48,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 13:51:48,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 251 states. [2023-05-20 13:51:48,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 13:51:48,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 13:51:48,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 220 states. [2023-05-20 13:51:48,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 282 states. [2023-05-20 13:51:48,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 13:51:48,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-20 13:51:48,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:51:50,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:51:50,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:51:50,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:51:50,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 13:51:50,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 13:51:50,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:51:50,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-20 13:51:50,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-05-20 13:51:50,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:51:50,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-20 13:51:50,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2023-05-20 13:51:50,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 13:51:50,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 13:51:50,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2023-05-20 13:51:50,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 13:51:50,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 13:51:50,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 251 states. [2023-05-20 13:51:50,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 13:51:50,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 13:51:50,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2023-05-20 13:51:50,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 283 states. [2023-05-20 13:51:50,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 13:51:50,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-20 13:51:50,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 13:51:50,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-20 13:51:50,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-20 13:51:50,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-20 13:51:50,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-05-20 13:51:50,410 INFO L444 BasicCegarLoop]: Path program histogram: [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-05-20 13:51:50,412 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 13:51:50,412 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 13:51:50,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 01:51:50 BasicIcfg [2023-05-20 13:51:50,414 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 13:51:50,414 INFO L158 Benchmark]: Toolchain (without parser) took 124178.38ms. Allocated memory was 190.8MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 162.8MB in the beginning and 401.5MB in the end (delta: -238.6MB). Peak memory consumption was 827.2MB. Max. memory is 8.0GB. [2023-05-20 13:51:50,414 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 190.8MB. Free memory is still 147.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 13:51:50,415 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.75ms. Allocated memory was 190.8MB in the beginning and 259.0MB in the end (delta: 68.2MB). Free memory was 162.8MB in the beginning and 226.9MB in the end (delta: -64.1MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-05-20 13:51:50,415 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.63ms. Allocated memory is still 259.0MB. Free memory was 226.9MB in the beginning and 224.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 13:51:50,415 INFO L158 Benchmark]: Boogie Preprocessor took 32.28ms. Allocated memory is still 259.0MB. Free memory was 224.9MB in the beginning and 223.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-20 13:51:50,415 INFO L158 Benchmark]: RCFGBuilder took 404.98ms. Allocated memory is still 259.0MB. Free memory was 223.3MB in the beginning and 203.4MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-05-20 13:51:50,415 INFO L158 Benchmark]: TraceAbstraction took 123423.42ms. Allocated memory was 259.0MB in the beginning and 1.3GB in the end (delta: 997.2MB). Free memory was 202.3MB in the beginning and 401.5MB in the end (delta: -199.2MB). Peak memory consumption was 799.6MB. Max. memory is 8.0GB. [2023-05-20 13:51:50,418 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 190.8MB. Free memory is still 147.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 270.75ms. Allocated memory was 190.8MB in the beginning and 259.0MB in the end (delta: 68.2MB). Free memory was 162.8MB in the beginning and 226.9MB in the end (delta: -64.1MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.63ms. Allocated memory is still 259.0MB. Free memory was 226.9MB in the beginning and 224.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.28ms. Allocated memory is still 259.0MB. Free memory was 224.9MB in the beginning and 223.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 404.98ms. Allocated memory is still 259.0MB. Free memory was 223.3MB in the beginning and 203.4MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 123423.42ms. Allocated memory was 259.0MB in the beginning and 1.3GB in the end (delta: 997.2MB). Free memory was 202.3MB in the beginning and 401.5MB in the end (delta: -199.2MB). Peak memory consumption was 799.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 211074, independent: 204746, independent conditional: 198663, independent unconditional: 6083, dependent: 6328, dependent conditional: 6313, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 204764, independent: 204746, independent conditional: 198663, independent unconditional: 6083, dependent: 18, dependent conditional: 3, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 204764, independent: 204746, independent conditional: 198663, independent unconditional: 6083, dependent: 18, dependent conditional: 3, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 204834, independent: 204746, independent conditional: 21, independent unconditional: 204725, dependent: 88, dependent conditional: 49, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 204834, independent: 204746, independent conditional: 21, independent unconditional: 204725, dependent: 88, dependent conditional: 34, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 204834, independent: 204746, independent conditional: 21, independent unconditional: 204725, dependent: 88, dependent conditional: 34, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4100, independent: 4062, independent conditional: 9, independent unconditional: 4053, dependent: 38, dependent conditional: 23, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4100, independent: 4052, independent conditional: 0, independent unconditional: 4052, dependent: 48, dependent conditional: 0, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 48, independent: 10, independent conditional: 9, independent unconditional: 1, dependent: 38, dependent conditional: 23, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 48, independent: 10, independent conditional: 9, independent unconditional: 1, dependent: 38, dependent conditional: 23, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, independent: 52, independent conditional: 13, independent unconditional: 39, dependent: 86, dependent conditional: 42, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 204834, independent: 200684, independent conditional: 12, independent unconditional: 200672, dependent: 50, dependent conditional: 11, dependent unconditional: 39, unknown: 4100, unknown conditional: 32, unknown unconditional: 4068] , Statistics on independence cache: Total cache size (in pairs): 4100, Positive cache size: 4062, Positive conditional cache size: 9, Positive unconditional cache size: 4053, Negative cache size: 38, Negative conditional cache size: 23, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 15, Maximal queried relation: 17, Independence queries for same thread: 6310 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 2163, Number of trivial persistent sets: 1911, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6098, independent: 6083, independent conditional: 0, independent unconditional: 6083, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 211074, independent: 204746, independent conditional: 198663, independent unconditional: 6083, dependent: 6328, dependent conditional: 6313, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 204764, independent: 204746, independent conditional: 198663, independent unconditional: 6083, dependent: 18, dependent conditional: 3, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 204764, independent: 204746, independent conditional: 198663, independent unconditional: 6083, dependent: 18, dependent conditional: 3, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 204834, independent: 204746, independent conditional: 21, independent unconditional: 204725, dependent: 88, dependent conditional: 49, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 204834, independent: 204746, independent conditional: 21, independent unconditional: 204725, dependent: 88, dependent conditional: 34, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 204834, independent: 204746, independent conditional: 21, independent unconditional: 204725, dependent: 88, dependent conditional: 34, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4100, independent: 4062, independent conditional: 9, independent unconditional: 4053, dependent: 38, dependent conditional: 23, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4100, independent: 4052, independent conditional: 0, independent unconditional: 4052, dependent: 48, dependent conditional: 0, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 48, independent: 10, independent conditional: 9, independent unconditional: 1, dependent: 38, dependent conditional: 23, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 48, independent: 10, independent conditional: 9, independent unconditional: 1, dependent: 38, dependent conditional: 23, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, independent: 52, independent conditional: 13, independent unconditional: 39, dependent: 86, dependent conditional: 42, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 204834, independent: 200684, independent conditional: 12, independent unconditional: 200672, dependent: 50, dependent conditional: 11, dependent unconditional: 39, unknown: 4100, unknown conditional: 32, unknown unconditional: 4068] , Statistics on independence cache: Total cache size (in pairs): 4100, Positive cache size: 4062, Positive conditional cache size: 9, Positive unconditional cache size: 4053, Negative cache size: 38, Negative conditional cache size: 23, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 15, Maximal queried relation: 17, Independence queries for same thread: 6310 - PositiveResult [Line: 93]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 258 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 123.2s, OverallIterations: 24, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 81.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1390, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 35.5s InterpolantComputationTime, 10950 NumberOfCodeBlocks, 10950 NumberOfCodeBlocksAsserted, 45 NumberOfCheckSat, 13831 ConstructedInterpolants, 91 QuantifiedInterpolants, 65449 SizeOfPredicates, 313 NumberOfNonLiveVariables, 7955 ConjunctsInSsa, 500 ConjunctsInUnsatCore, 48 InterpolantComputations, 14 PerfectInterpolantSequences, 11075/14349 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-05-20 13:51:50,441 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-05-20 13:51:50,659 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...