/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-prod-cons.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 06:56:18,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 06:56:18,193 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 06:56:18,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 06:56:18,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 06:56:18,228 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 06:56:18,230 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 06:56:18,233 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 06:56:18,234 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 06:56:18,237 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 06:56:18,238 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 06:56:18,239 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 06:56:18,239 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 06:56:18,240 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 06:56:18,242 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 06:56:18,242 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 06:56:18,243 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 06:56:18,244 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 06:56:18,245 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 06:56:18,250 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 06:56:18,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 06:56:18,253 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 06:56:18,254 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 06:56:18,255 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 06:56:18,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 06:56:18,260 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 06:56:18,260 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 06:56:18,261 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 06:56:18,261 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 06:56:18,262 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 06:56:18,262 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 06:56:18,262 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 06:56:18,263 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 06:56:18,264 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 06:56:18,265 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 06:56:18,265 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 06:56:18,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 06:56:18,265 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 06:56:18,265 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 06:56:18,266 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 06:56:18,266 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 06:56:18,267 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 06:56:18,289 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 06:56:18,289 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 06:56:18,289 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 06:56:18,289 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 06:56:18,290 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 06:56:18,290 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 06:56:18,291 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 06:56:18,291 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 06:56:18,291 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 06:56:18,291 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 06:56:18,292 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 06:56:18,292 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 06:56:18,292 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 06:56:18,292 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 06:56:18,292 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 06:56:18,292 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 06:56:18,292 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 06:56:18,292 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 06:56:18,292 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 06:56:18,292 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 06:56:18,293 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 06:56:18,293 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 06:56:18,293 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 06:56:18,294 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 06:56:18,294 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 06:56:18,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 06:56:18,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 06:56:18,294 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 06:56:18,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 06:56:18,294 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 06:56:18,294 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 06:56:18,294 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 06:56:18,295 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 06:56:18,295 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 06:56:18,295 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 06:56:18,295 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 06:56:18,295 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-04 06:56:18,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 06:56:18,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 06:56:18,458 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 06:56:18,459 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 06:56:18,459 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 06:56:18,460 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-prod-cons.wvr.c [2023-05-04 06:56:18,511 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdb04aec4/e987af9b13a84b3db645adbae446245f/FLAGbf6d58409 [2023-05-04 06:56:18,877 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 06:56:18,877 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons.wvr.c [2023-05-04 06:56:18,885 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdb04aec4/e987af9b13a84b3db645adbae446245f/FLAGbf6d58409 [2023-05-04 06:56:18,895 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdb04aec4/e987af9b13a84b3db645adbae446245f [2023-05-04 06:56:18,897 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 06:56:18,898 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 06:56:18,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 06:56:18,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 06:56:18,903 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 06:56:18,903 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 06:56:18" (1/1) ... [2023-05-04 06:56:18,904 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b2805e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:56:18, skipping insertion in model container [2023-05-04 06:56:18,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 06:56:18" (1/1) ... [2023-05-04 06:56:18,909 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 06:56:18,925 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 06:56:19,151 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons.wvr.c[3056,3069] [2023-05-04 06:56:19,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 06:56:19,171 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 06:56:19,201 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons.wvr.c[3056,3069] [2023-05-04 06:56:19,202 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 06:56:19,212 INFO L208 MainTranslator]: Completed translation [2023-05-04 06:56:19,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:56:19 WrapperNode [2023-05-04 06:56:19,212 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 06:56:19,214 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 06:56:19,214 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 06:56:19,214 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 06:56:19,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:56:19" (1/1) ... [2023-05-04 06:56:19,233 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:56:19" (1/1) ... [2023-05-04 06:56:19,251 INFO L138 Inliner]: procedures = 25, calls = 50, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 166 [2023-05-04 06:56:19,251 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 06:56:19,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 06:56:19,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 06:56:19,251 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 06:56:19,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:56:19" (1/1) ... [2023-05-04 06:56:19,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:56:19" (1/1) ... [2023-05-04 06:56:19,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:56:19" (1/1) ... [2023-05-04 06:56:19,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:56:19" (1/1) ... [2023-05-04 06:56:19,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:56:19" (1/1) ... [2023-05-04 06:56:19,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:56:19" (1/1) ... [2023-05-04 06:56:19,277 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:56:19" (1/1) ... [2023-05-04 06:56:19,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:56:19" (1/1) ... [2023-05-04 06:56:19,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 06:56:19,280 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 06:56:19,280 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 06:56:19,280 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 06:56:19,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:56:19" (1/1) ... [2023-05-04 06:56:19,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 06:56:19,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:56:19,310 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) [2023-05-04 06:56:19,315 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 [2023-05-04 06:56:19,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 06:56:19,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 06:56:19,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 06:56:19,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 06:56:19,335 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 06:56:19,335 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 06:56:19,335 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 06:56:19,335 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 06:56:19,335 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-04 06:56:19,335 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-04 06:56:19,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 06:56:19,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-04 06:56:19,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-04 06:56:19,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-04 06:56:19,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 06:56:19,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 06:56:19,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 06:56:19,336 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 06:56:19,419 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 06:56:19,420 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 06:56:19,609 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 06:56:19,662 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 06:56:19,662 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-05-04 06:56:19,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 06:56:19 BoogieIcfgContainer [2023-05-04 06:56:19,664 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 06:56:19,665 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 06:56:19,665 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 06:56:19,667 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 06:56:19,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 06:56:18" (1/3) ... [2023-05-04 06:56:19,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76292e85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 06:56:19, skipping insertion in model container [2023-05-04 06:56:19,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:56:19" (2/3) ... [2023-05-04 06:56:19,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76292e85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 06:56:19, skipping insertion in model container [2023-05-04 06:56:19,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 06:56:19" (3/3) ... [2023-05-04 06:56:19,669 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-prod-cons.wvr.c [2023-05-04 06:56:19,673 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 06:56:19,679 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 06:56:19,679 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 06:56:19,679 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 06:56:19,716 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-04 06:56:19,742 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 06:56:19,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 06:56:19,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:56:19,744 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) [2023-05-04 06:56:19,748 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 [2023-05-04 06:56:19,766 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 06:56:19,776 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 06:56:19,780 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;@34b489a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 06:56:19,780 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-04 06:56:19,921 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:56:19,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:56:19,924 INFO L85 PathProgramCache]: Analyzing trace with hash 542580902, now seen corresponding path program 1 times [2023-05-04 06:56:19,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:56:19,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571442680] [2023-05-04 06:56:19,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:56:19,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:56:20,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:56:20,174 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 06:56:20,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:56:20,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571442680] [2023-05-04 06:56:20,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571442680] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 06:56:20,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 06:56:20,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 06:56:20,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009733644] [2023-05-04 06:56:20,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 06:56:20,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 06:56:20,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:56:20,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 06:56:20,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 06:56:20,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:56:20,199 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:56:20,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 63.0) internal successors, (126), 2 states have internal predecessors, (126), 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) [2023-05-04 06:56:20,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:56:20,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:56:20,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 06:56:20,248 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:56:20,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:56:20,249 INFO L85 PathProgramCache]: Analyzing trace with hash -358322793, now seen corresponding path program 1 times [2023-05-04 06:56:20,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:56:20,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753676431] [2023-05-04 06:56:20,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:56:20,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:56:20,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:56:20,707 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-05-04 06:56:20,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:56:20,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753676431] [2023-05-04 06:56:20,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753676431] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 06:56:20,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 06:56:20,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 06:56:20,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921399919] [2023-05-04 06:56:20,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 06:56:20,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 06:56:20,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:56:20,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 06:56:20,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-04 06:56:20,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:56:20,710 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:56:20,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.5) internal successors, (123), 6 states have internal predecessors, (123), 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) [2023-05-04 06:56:20,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:56:20,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:56:20,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:56:20,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:56:20,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 06:56:20,864 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:56:20,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:56:20,866 INFO L85 PathProgramCache]: Analyzing trace with hash 787379167, now seen corresponding path program 1 times [2023-05-04 06:56:20,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:56:20,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476913321] [2023-05-04 06:56:20,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:56:20,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:56:20,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:56:20,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:56:20,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:56:20,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476913321] [2023-05-04 06:56:20,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476913321] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 06:56:20,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 06:56:20,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-04 06:56:20,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736082445] [2023-05-04 06:56:20,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 06:56:20,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 06:56:20,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:56:20,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 06:56:20,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-04 06:56:20,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:56:20,994 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:56:20,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 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) [2023-05-04 06:56:20,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:56:20,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:56:20,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:56:21,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:56:21,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:56:21,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:56:21,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-04 06:56:21,086 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:56:21,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:56:21,087 INFO L85 PathProgramCache]: Analyzing trace with hash 920212167, now seen corresponding path program 2 times [2023-05-04 06:56:21,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:56:21,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371815440] [2023-05-04 06:56:21,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:56:21,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:56:21,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:56:21,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:56:21,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:56:21,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371815440] [2023-05-04 06:56:21,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371815440] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 06:56:21,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 06:56:21,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-04 06:56:21,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192595702] [2023-05-04 06:56:21,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 06:56:21,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 06:56:21,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:56:21,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 06:56:21,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-04 06:56:21,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:56:21,245 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:56:21,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 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) [2023-05-04 06:56:21,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:56:21,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:56:21,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:56:21,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:56:21,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:56:21,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:56:21,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:56:21,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:56:21,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-04 06:56:21,353 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:56:21,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:56:21,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1630878639, now seen corresponding path program 3 times [2023-05-04 06:56:21,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:56:21,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365806893] [2023-05-04 06:56:21,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:56:21,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:56:21,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:56:21,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:56:21,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:56:21,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365806893] [2023-05-04 06:56:21,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365806893] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 06:56:21,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 06:56:21,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-05-04 06:56:21,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717670073] [2023-05-04 06:56:21,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 06:56:21,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-04 06:56:21,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:56:21,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-04 06:56:21,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-05-04 06:56:21,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:56:21,665 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:56:21,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 8 states have internal predecessors, (114), 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) [2023-05-04 06:56:21,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:56:21,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:56:21,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:56:21,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:56:21,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:56:21,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:56:21,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:56:21,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:56:21,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:56:21,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 06:56:21,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-05-04 06:56:21,850 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:56:21,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:56:21,851 INFO L85 PathProgramCache]: Analyzing trace with hash 704095584, now seen corresponding path program 1 times [2023-05-04 06:56:21,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:56:21,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389469505] [2023-05-04 06:56:21,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:56:21,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:56:21,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:56:22,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:56:22,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:56:22,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389469505] [2023-05-04 06:56:22,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389469505] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 06:56:22,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 06:56:22,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-05-04 06:56:22,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904608322] [2023-05-04 06:56:22,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 06:56:22,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-05-04 06:56:22,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:56:22,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-05-04 06:56:22,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-05-04 06:56:22,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:56:22,224 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:56:22,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 9 states have internal predecessors, (112), 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) [2023-05-04 06:56:22,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:56:22,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:56:22,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:56:22,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:56:22,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 06:56:22,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:56:22,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:56:22,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:56:22,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:56:22,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:56:22,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 06:56:22,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 06:56:22,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-05-04 06:56:22,515 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:56:22,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:56:22,516 INFO L85 PathProgramCache]: Analyzing trace with hash -923008239, now seen corresponding path program 1 times [2023-05-04 06:56:22,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:56:22,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431334031] [2023-05-04 06:56:22,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:56:22,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:56:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:56:22,733 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 9 proven. 22 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 06:56:22,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:56:22,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431334031] [2023-05-04 06:56:22,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431334031] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:56:22,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198603381] [2023-05-04 06:56:22,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:56:22,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:56:22,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:56:22,736 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) [2023-05-04 06:56:22,789 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-04 06:56:22,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:56:22,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-04 06:56:22,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:56:23,198 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 06:56:23,198 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:56:23,434 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 26 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 06:56:23,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [198603381] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:56:23,435 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:56:23,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2023-05-04 06:56:23,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091027072] [2023-05-04 06:56:23,435 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:56:23,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-04 06:56:23,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:56:23,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-04 06:56:23,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2023-05-04 06:56:23,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:56:23,437 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:56:23,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 12.736842105263158) internal successors, (242), 19 states have internal predecessors, (242), 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) [2023-05-04 06:56:23,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:56:23,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:56:23,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:56:23,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:56:23,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 06:56:23,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 06:56:23,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:56:23,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:56:23,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:56:23,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:56:23,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:56:23,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 06:56:23,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 06:56:23,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 06:56:23,711 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-04 06:56:23,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-05-04 06:56:23,902 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:56:23,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:56:23,902 INFO L85 PathProgramCache]: Analyzing trace with hash -853972338, now seen corresponding path program 1 times [2023-05-04 06:56:23,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:56:23,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880097370] [2023-05-04 06:56:23,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:56:23,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:56:23,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:56:24,023 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 06:56:24,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:56:24,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880097370] [2023-05-04 06:56:24,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880097370] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 06:56:24,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 06:56:24,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-04 06:56:24,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698717422] [2023-05-04 06:56:24,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 06:56:24,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 06:56:24,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:56:24,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 06:56:24,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-05-04 06:56:24,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:56:24,026 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:56:24,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 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) [2023-05-04 06:56:24,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:56:24,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:56:24,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:56:24,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:56:24,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 06:56:24,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 06:56:24,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 06:56:24,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:56:24,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:56:24,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:56:24,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:56:24,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:56:24,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 06:56:24,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 06:56:24,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 06:56:24,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 06:56:24,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-05-04 06:56:24,104 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:56:24,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:56:24,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1788565072, now seen corresponding path program 2 times [2023-05-04 06:56:24,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:56:24,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955703965] [2023-05-04 06:56:24,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:56:24,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:56:24,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:56:25,388 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:56:25,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:56:25,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955703965] [2023-05-04 06:56:25,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955703965] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:56:25,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [170622843] [2023-05-04 06:56:25,389 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 06:56:25,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:56:25,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:56:25,390 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) [2023-05-04 06:56:25,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-04 06:56:25,487 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 06:56:25,488 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:56:25,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 52 conjunts are in the unsatisfiable core [2023-05-04 06:56:25,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:56:26,045 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-05-04 06:56:26,446 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-04 06:56:26,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:56:26,669 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-04 06:56:26,861 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2023-05-04 06:56:27,041 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:56:27,041 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:56:28,145 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:56:28,145 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 47 [2023-05-04 06:56:28,155 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:56:28,155 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 108 treesize of output 104 [2023-05-04 06:56:28,160 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 56 [2023-05-04 06:56:28,169 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:56:28,169 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 55 [2023-05-04 06:56:28,895 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:56:28,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [170622843] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:56:28,895 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:56:28,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 28, 28] total 75 [2023-05-04 06:56:28,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016726438] [2023-05-04 06:56:28,896 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:56:28,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2023-05-04 06:56:28,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:56:28,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2023-05-04 06:56:28,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=414, Invalid=5131, Unknown=5, NotChecked=0, Total=5550 [2023-05-04 06:56:28,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:56:28,899 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:56:28,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 4.346666666666667) internal successors, (326), 75 states have internal predecessors, (326), 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) [2023-05-04 06:56:28,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:56:28,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:56:28,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:56:28,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:56:28,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 06:56:28,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 06:56:28,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 06:56:28,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 06:56:28,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:56:35,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:56:35,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:56:35,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:56:35,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:56:35,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 06:56:35,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 06:56:35,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 06:56:35,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 06:56:35,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-05-04 06:56:36,020 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-04 06:56:36,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:56:36,184 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:56:36,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:56:36,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1050192787, now seen corresponding path program 2 times [2023-05-04 06:56:36,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:56:36,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526236962] [2023-05-04 06:56:36,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:56:36,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:56:36,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:56:37,402 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:56:37,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:56:37,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526236962] [2023-05-04 06:56:37,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526236962] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:56:37,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [35204044] [2023-05-04 06:56:37,403 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 06:56:37,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:56:37,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:56:37,404 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) [2023-05-04 06:56:37,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-04 06:56:37,512 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 06:56:37,512 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:56:37,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 51 conjunts are in the unsatisfiable core [2023-05-04 06:56:37,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:56:37,548 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-04 06:56:37,581 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2023-05-04 06:56:37,581 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2023-05-04 06:56:37,912 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-04 06:56:37,912 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2023-05-04 06:56:38,048 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-05-04 06:56:38,375 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-04 06:56:38,566 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-04 06:56:38,694 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2023-05-04 06:56:38,815 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:56:38,815 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:56:39,720 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:56:39,721 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 47 [2023-05-04 06:56:39,726 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:56:39,726 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 108 treesize of output 104 [2023-05-04 06:56:39,729 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 56 [2023-05-04 06:56:39,736 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:56:39,737 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 55 [2023-05-04 06:56:40,901 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-05-04 06:56:40,917 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:56:40,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [35204044] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:56:40,917 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:56:40,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 27, 26] total 69 [2023-05-04 06:56:40,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704592084] [2023-05-04 06:56:40,917 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:56:40,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2023-05-04 06:56:40,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:56:40,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2023-05-04 06:56:40,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=355, Invalid=4319, Unknown=18, NotChecked=0, Total=4692 [2023-05-04 06:56:40,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:56:40,920 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:56:40,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 4.550724637681159) internal successors, (314), 69 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 06:56:40,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:56:40,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:56:40,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:56:40,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:56:40,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 06:56:40,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 06:56:40,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 06:56:40,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 06:56:40,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-05-04 06:56:40,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:56:47,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:56:47,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:56:47,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:56:47,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:56:47,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 06:56:47,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 06:56:47,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 06:56:47,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 06:56:47,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-04 06:56:47,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-05-04 06:56:47,083 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-04 06:56:47,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:56:47,268 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:56:47,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:56:47,268 INFO L85 PathProgramCache]: Analyzing trace with hash 516722178, now seen corresponding path program 3 times [2023-05-04 06:56:47,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:56:47,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550272986] [2023-05-04 06:56:47,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:56:47,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:56:47,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:56:48,560 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:56:48,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:56:48,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550272986] [2023-05-04 06:56:48,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550272986] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:56:48,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1540717368] [2023-05-04 06:56:48,561 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 06:56:48,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:56:48,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:56:48,562 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) [2023-05-04 06:56:48,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-04 06:56:48,648 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-05-04 06:56:48,648 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:56:48,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 51 conjunts are in the unsatisfiable core [2023-05-04 06:56:48,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:56:49,249 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-05-04 06:56:49,604 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-04 06:56:49,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:56:49,801 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-04 06:56:49,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:56:49,922 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-04 06:56:49,980 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2023-05-04 06:56:50,077 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:56:50,077 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:56:51,089 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:56:51,089 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 50 [2023-05-04 06:56:51,101 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:56:51,102 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 362 treesize of output 350 [2023-05-04 06:56:51,114 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 314 treesize of output 266 [2023-05-04 06:56:51,119 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 266 treesize of output 242 [2023-05-04 06:56:51,126 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:56:51,126 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 266 treesize of output 260 [2023-05-04 06:56:52,017 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:56:52,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1540717368] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:56:52,017 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:56:52,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 28, 28] total 76 [2023-05-04 06:56:52,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127831135] [2023-05-04 06:56:52,017 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:56:52,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2023-05-04 06:56:52,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:56:52,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2023-05-04 06:56:52,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=391, Invalid=5296, Unknown=13, NotChecked=0, Total=5700 [2023-05-04 06:56:52,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:56:52,020 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:56:52,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 4.184210526315789) internal successors, (318), 76 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 06:56:52,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:56:52,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:56:52,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:56:52,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:56:52,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 06:56:52,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 06:56:52,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 06:56:52,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 06:56:52,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-04 06:56:52,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-05-04 06:56:52,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:57:18,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:57:18,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:57:18,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:57:18,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:57:18,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 06:57:18,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 06:57:18,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 06:57:18,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 06:57:18,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-04 06:57:18,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-05-04 06:57:18,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-05-04 06:57:18,101 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-05-04 06:57:18,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-05-04 06:57:18,279 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:57:18,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:57:18,279 INFO L85 PathProgramCache]: Analyzing trace with hash 421289553, now seen corresponding path program 4 times [2023-05-04 06:57:18,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:57:18,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413259719] [2023-05-04 06:57:18,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:57:18,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:57:18,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:57:18,483 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 28 proven. 36 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 06:57:18,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:57:18,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413259719] [2023-05-04 06:57:18,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413259719] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:57:18,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1474671451] [2023-05-04 06:57:18,483 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 06:57:18,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:57:18,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:57:18,493 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) [2023-05-04 06:57:18,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-04 06:57:18,624 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 06:57:18,625 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:57:18,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-04 06:57:18,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:57:18,891 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 53 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-04 06:57:18,891 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:57:19,174 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 33 proven. 29 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-04 06:57:19,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1474671451] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:57:19,175 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:57:19,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 28 [2023-05-04 06:57:19,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384176078] [2023-05-04 06:57:19,177 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:57:19,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-05-04 06:57:19,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:57:19,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-05-04 06:57:19,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=611, Unknown=0, NotChecked=0, Total=756 [2023-05-04 06:57:19,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:57:19,179 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:57:19,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 10.535714285714286) internal successors, (295), 28 states have internal predecessors, (295), 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) [2023-05-04 06:57:19,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:57:19,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:57:19,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:57:19,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:57:19,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 06:57:19,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 06:57:19,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 06:57:19,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 06:57:19,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-05-04 06:57:19,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2023-05-04 06:57:19,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2023-05-04 06:57:19,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:57:19,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:57:19,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:57:19,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:57:19,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:57:19,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 06:57:19,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 06:57:19,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 06:57:19,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 06:57:19,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-04 06:57:19,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-05-04 06:57:19,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-05-04 06:57:19,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 06:57:19,609 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-04 06:57:19,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:57:19,810 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:57:19,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:57:19,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1354773583, now seen corresponding path program 5 times [2023-05-04 06:57:19,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:57:19,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257981151] [2023-05-04 06:57:19,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:57:19,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:57:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:57:21,952 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:57:21,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:57:21,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257981151] [2023-05-04 06:57:21,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257981151] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:57:21,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007056348] [2023-05-04 06:57:21,953 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 06:57:21,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:57:21,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:57:21,954 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) [2023-05-04 06:57:21,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-04 06:57:22,053 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2023-05-04 06:57:22,053 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:57:22,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 70 conjunts are in the unsatisfiable core [2023-05-04 06:57:22,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:57:22,096 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-04 06:57:22,164 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2023-05-04 06:57:22,164 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2023-05-04 06:57:22,246 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2023-05-04 06:57:22,246 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2023-05-04 06:57:22,815 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-04 06:57:22,816 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 18 [2023-05-04 06:57:23,138 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-05-04 06:57:23,607 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-04 06:57:23,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:57:23,816 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-04 06:57:24,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:57:24,185 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 31 [2023-05-04 06:57:24,295 INFO L356 Elim1Store]: treesize reduction 24, result has 11.1 percent of original size [2023-05-04 06:57:24,295 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 16 [2023-05-04 06:57:24,498 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:57:24,498 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:57:26,714 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:57:26,715 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 123 treesize of output 87 [2023-05-04 06:57:26,748 INFO L356 Elim1Store]: treesize reduction 12, result has 81.5 percent of original size [2023-05-04 06:57:26,748 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 1126 treesize of output 1062 [2023-05-04 06:57:26,762 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:57:26,763 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 986 treesize of output 864 [2023-05-04 06:57:26,795 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:57:26,795 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 850 treesize of output 712 [2023-05-04 06:57:26,839 INFO L356 Elim1Store]: treesize reduction 12, result has 81.5 percent of original size [2023-05-04 06:57:26,840 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 710 treesize of output 674 [2023-05-04 06:57:31,984 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:57:31,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007056348] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:57:31,984 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:57:31,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 37, 37] total 102 [2023-05-04 06:57:31,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006006497] [2023-05-04 06:57:31,985 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:57:31,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2023-05-04 06:57:31,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:57:31,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2023-05-04 06:57:31,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=781, Invalid=9507, Unknown=14, NotChecked=0, Total=10302 [2023-05-04 06:57:31,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:57:31,988 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:57:31,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 102 states, 102 states have (on average 3.7941176470588234) internal successors, (387), 102 states have internal predecessors, (387), 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) [2023-05-04 06:57:31,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:57:31,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:57:31,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:57:31,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:57:31,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 06:57:31,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 06:57:31,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 06:57:31,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 06:57:31,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-05-04 06:57:31,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2023-05-04 06:57:31,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2023-05-04 06:57:31,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 06:57:31,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:57:56,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:57:56,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:57:56,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:57:56,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:57:56,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 06:57:56,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 06:57:56,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 06:57:56,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 06:57:56,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-04 06:57:56,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-05-04 06:57:56,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-05-04 06:57:56,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 06:57:56,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2023-05-04 06:57:56,362 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-04 06:57:56,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:57:56,558 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:57:56,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:57:56,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1218652628, now seen corresponding path program 3 times [2023-05-04 06:57:56,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:57:56,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958948043] [2023-05-04 06:57:56,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:57:56,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:57:56,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:57:58,074 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:57:58,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:57:58,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958948043] [2023-05-04 06:57:58,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958948043] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:57:58,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050018155] [2023-05-04 06:57:58,074 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 06:57:58,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:57:58,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:57:58,075 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) [2023-05-04 06:57:58,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-04 06:57:58,211 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-05-04 06:57:58,211 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:57:58,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 69 conjunts are in the unsatisfiable core [2023-05-04 06:57:58,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:57:58,792 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-05-04 06:57:58,938 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-05-04 06:57:59,316 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-04 06:57:59,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:57:59,588 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-04 06:57:59,815 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 7 [2023-05-04 06:58:00,090 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-04 06:58:00,091 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 23 treesize of output 10 [2023-05-04 06:58:00,221 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:58:00,222 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:58:00,370 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:58:00,371 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 28 treesize of output 24 [2023-05-04 06:58:00,796 WARN L833 $PredicateComparison]: unable to prove that (or (let ((.cse0 (* c_~front~0 4))) (and (= (+ .cse0 4) (* c_~back~0 4)) (forall ((v_ArrVal_365 (Array Int Int))) (< (+ c_~d~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_365) c_~queue~0.base) (+ c_~queue~0.offset .cse0))) c_~W~0)))) (< |c_thread1Thread1of1ForFork1_~w~0#1| 2) (not (< c_~back~0 c_~n~0)) (not (<= 0 c_~back~0))) is different from false [2023-05-04 06:58:03,470 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:58:03,470 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 41 [2023-05-04 06:58:03,473 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 24 [2023-05-04 06:58:03,476 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 4 [2023-05-04 06:58:03,486 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:58:03,487 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 75 treesize of output 60 [2023-05-04 06:58:03,494 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:58:03,494 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 194 treesize of output 182 [2023-05-04 06:58:03,501 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:58:03,501 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 170 treesize of output 164 [2023-05-04 06:58:03,505 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 110 [2023-05-04 06:58:03,599 WARN L234 Elim1Store]: Array PQE input equivalent to true [2023-05-04 06:58:04,604 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:58:04,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2050018155] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:58:04,604 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:58:04,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 36, 37] total 97 [2023-05-04 06:58:04,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543008201] [2023-05-04 06:58:04,604 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:58:04,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2023-05-04 06:58:04,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:58:04,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2023-05-04 06:58:04,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=726, Invalid=8370, Unknown=28, NotChecked=188, Total=9312 [2023-05-04 06:58:04,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:58:04,608 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:58:04,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 3.731958762886598) internal successors, (362), 97 states have internal predecessors, (362), 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) [2023-05-04 06:58:04,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:58:04,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:58:04,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:58:04,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:58:04,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 06:58:04,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 06:58:04,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 06:58:04,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 06:58:04,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-05-04 06:58:04,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2023-05-04 06:58:04,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2023-05-04 06:58:04,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 06:58:04,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2023-05-04 06:58:04,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:58:27,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:58:27,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:58:27,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:58:27,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:58:27,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 06:58:27,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 06:58:27,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 06:58:27,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 06:58:27,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2023-05-04 06:58:27,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-05-04 06:58:27,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-05-04 06:58:27,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 06:58:27,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2023-05-04 06:58:27,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2023-05-04 06:58:27,787 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-04 06:58:27,988 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 [2023-05-04 06:58:27,988 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:58:27,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:58:27,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1991836607, now seen corresponding path program 6 times [2023-05-04 06:58:27,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:58:27,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469643952] [2023-05-04 06:58:27,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:58:27,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:58:28,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:58:29,785 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:58:29,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:58:29,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469643952] [2023-05-04 06:58:29,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469643952] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:58:29,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448124102] [2023-05-04 06:58:29,786 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-04 06:58:29,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:58:29,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:58:29,787 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) [2023-05-04 06:58:29,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-04 06:58:30,119 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2023-05-04 06:58:30,119 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:58:30,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 79 conjunts are in the unsatisfiable core [2023-05-04 06:58:30,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:58:31,100 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-05-04 06:58:31,627 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-04 06:58:31,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:58:31,953 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 21 [2023-05-04 06:58:32,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:58:32,503 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 21 [2023-05-04 06:58:32,955 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:58:32,955 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 13 [2023-05-04 06:58:33,152 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:58:33,152 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:58:35,415 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:58:35,415 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 127 treesize of output 91 [2023-05-04 06:58:35,438 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:58:35,438 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 824 treesize of output 816 [2023-05-04 06:58:35,458 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:58:35,458 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 527 treesize of output 473 [2023-05-04 06:58:35,477 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:58:35,478 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 660 treesize of output 526 [2023-05-04 06:58:35,502 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:58:35,503 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 524 treesize of output 530 [2023-05-04 06:58:38,256 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:58:38,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [448124102] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:58:38,256 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:58:38,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 40, 40] total 110 [2023-05-04 06:58:38,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715146085] [2023-05-04 06:58:38,256 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:58:38,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 110 states [2023-05-04 06:58:38,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:58:38,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2023-05-04 06:58:38,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1012, Invalid=10965, Unknown=13, NotChecked=0, Total=11990 [2023-05-04 06:58:38,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:58:38,260 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:58:38,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 110 states, 110 states have (on average 3.6363636363636362) internal successors, (400), 110 states have internal predecessors, (400), 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) [2023-05-04 06:58:38,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:58:38,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:58:38,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:58:38,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:58:38,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 06:58:38,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 06:58:38,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 06:58:38,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 06:58:38,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2023-05-04 06:58:38,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2023-05-04 06:58:38,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2023-05-04 06:58:38,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 06:58:38,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 180 states. [2023-05-04 06:58:38,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2023-05-04 06:58:38,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:59:15,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:59:15,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:59:15,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:59:15,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:59:15,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 06:59:15,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 06:59:15,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 06:59:15,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 06:59:15,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2023-05-04 06:59:15,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-05-04 06:59:15,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-05-04 06:59:15,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:59:15,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2023-05-04 06:59:15,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2023-05-04 06:59:15,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2023-05-04 06:59:15,416 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-04 06:59:15,604 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 [2023-05-04 06:59:15,605 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:59:15,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:59:15,605 INFO L85 PathProgramCache]: Analyzing trace with hash -508078640, now seen corresponding path program 7 times [2023-05-04 06:59:15,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:59:15,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244718698] [2023-05-04 06:59:15,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:59:15,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:59:15,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:59:15,882 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 47 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 06:59:15,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:59:15,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244718698] [2023-05-04 06:59:15,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244718698] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:59:15,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1933294702] [2023-05-04 06:59:15,883 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-04 06:59:15,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:59:15,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:59:15,885 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) [2023-05-04 06:59:15,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-04 06:59:16,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:59:16,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 15 conjunts are in the unsatisfiable core [2023-05-04 06:59:16,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:59:16,361 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 59 proven. 24 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 06:59:16,361 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:59:16,787 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 33 proven. 50 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 06:59:16,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1933294702] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:59:16,787 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:59:16,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 37 [2023-05-04 06:59:16,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317172647] [2023-05-04 06:59:16,789 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:59:16,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-05-04 06:59:16,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:59:16,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-05-04 06:59:16,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=1097, Unknown=0, NotChecked=0, Total=1332 [2023-05-04 06:59:16,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:59:16,791 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:59:16,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 8.945945945945946) internal successors, (331), 37 states have internal predecessors, (331), 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) [2023-05-04 06:59:16,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:59:16,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:59:16,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:59:16,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:59:16,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 06:59:16,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 06:59:16,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 06:59:16,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 06:59:16,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2023-05-04 06:59:16,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2023-05-04 06:59:16,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2023-05-04 06:59:16,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:59:16,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2023-05-04 06:59:16,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2023-05-04 06:59:16,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. [2023-05-04 06:59:16,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:59:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:59:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:59:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:59:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:59:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 06:59:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 06:59:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 06:59:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 06:59:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2023-05-04 06:59:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-05-04 06:59:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-05-04 06:59:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:59:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2023-05-04 06:59:17,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2023-05-04 06:59:17,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2023-05-04 06:59:17,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:59:17,316 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-05-04 06:59:17,516 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 [2023-05-04 06:59:17,516 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:59:17,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:59:17,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1841991093, now seen corresponding path program 8 times [2023-05-04 06:59:17,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:59:17,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880438379] [2023-05-04 06:59:17,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:59:17,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:59:17,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:59:17,704 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-05-04 06:59:17,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:59:17,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880438379] [2023-05-04 06:59:17,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880438379] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 06:59:17,705 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 06:59:17,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 06:59:17,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789919522] [2023-05-04 06:59:17,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 06:59:17,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 06:59:17,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:59:17,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 06:59:17,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-04 06:59:17,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:59:17,706 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:59:17,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.833333333333332) internal successors, (143), 6 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 06:59:17,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:59:17,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:59:17,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:59:17,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:59:17,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 06:59:17,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 06:59:17,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 06:59:17,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 06:59:17,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2023-05-04 06:59:17,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2023-05-04 06:59:17,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2023-05-04 06:59:17,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:59:17,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2023-05-04 06:59:17,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2023-05-04 06:59:17,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. [2023-05-04 06:59:17,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:59:17,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:59:17,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:59:17,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:59:17,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:59:17,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:59:17,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 06:59:17,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 06:59:17,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 06:59:17,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 06:59:17,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2023-05-04 06:59:17,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-05-04 06:59:17,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-05-04 06:59:17,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:59:17,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2023-05-04 06:59:17,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2023-05-04 06:59:17,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2023-05-04 06:59:17,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:59:17,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:59:17,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-05-04 06:59:17,946 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:59:17,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:59:17,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1824506512, now seen corresponding path program 9 times [2023-05-04 06:59:17,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:59:17,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211356396] [2023-05-04 06:59:17,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:59:17,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:59:17,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:59:20,063 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:59:20,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:59:20,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211356396] [2023-05-04 06:59:20,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211356396] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:59:20,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794919567] [2023-05-04 06:59:20,064 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 06:59:20,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:59:20,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:59:20,065 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) [2023-05-04 06:59:20,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-05-04 06:59:20,251 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-05-04 06:59:20,251 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:59:20,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 50 conjunts are in the unsatisfiable core [2023-05-04 06:59:20,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:59:20,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:59:20,968 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 21 [2023-05-04 06:59:21,096 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 7 [2023-05-04 06:59:21,213 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2023-05-04 06:59:21,456 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-04 06:59:21,456 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:59:21,731 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:59:21,731 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 28 treesize of output 24 [2023-05-04 06:59:22,062 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:59:22,062 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 55 treesize of output 51 [2023-05-04 06:59:22,066 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2023-05-04 06:59:23,067 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-04 06:59:23,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [794919567] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:59:23,067 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:59:23,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 28, 28] total 87 [2023-05-04 06:59:23,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145872073] [2023-05-04 06:59:23,067 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:59:23,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2023-05-04 06:59:23,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:59:23,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2023-05-04 06:59:23,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=546, Invalid=6936, Unknown=0, NotChecked=0, Total=7482 [2023-05-04 06:59:23,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:59:23,070 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:59:23,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 4.517241379310345) internal successors, (393), 87 states have internal predecessors, (393), 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) [2023-05-04 06:59:23,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:59:23,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:59:23,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:59:23,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:59:23,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 06:59:23,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 06:59:23,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 06:59:23,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 06:59:23,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2023-05-04 06:59:23,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2023-05-04 06:59:23,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2023-05-04 06:59:23,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:59:23,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2023-05-04 06:59:23,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2023-05-04 06:59:23,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. [2023-05-04 06:59:23,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:59:23,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:59:23,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:59:34,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:59:34,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:59:34,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:59:34,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:59:34,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 06:59:34,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 06:59:34,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 06:59:34,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 06:59:34,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2023-05-04 06:59:34,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-05-04 06:59:34,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-05-04 06:59:34,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:59:34,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2023-05-04 06:59:34,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2023-05-04 06:59:34,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2023-05-04 06:59:34,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:59:34,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:59:34,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2023-05-04 06:59:34,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-05-04 06:59:34,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-05-04 06:59:34,211 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:59:34,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:59:34,212 INFO L85 PathProgramCache]: Analyzing trace with hash -717029549, now seen corresponding path program 4 times [2023-05-04 06:59:34,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:59:34,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468678031] [2023-05-04 06:59:34,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:59:34,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:59:34,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:59:36,617 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:59:36,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:59:36,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468678031] [2023-05-04 06:59:36,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468678031] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:59:36,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1038552514] [2023-05-04 06:59:36,618 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 06:59:36,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:59:36,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:59:36,619 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) [2023-05-04 06:59:36,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-05-04 06:59:36,752 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 06:59:36,752 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:59:36,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 69 conjunts are in the unsatisfiable core [2023-05-04 06:59:36,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:59:38,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:59:38,284 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-04 06:59:38,473 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 7 [2023-05-04 06:59:38,679 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2023-05-04 06:59:38,772 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:59:38,773 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:59:38,882 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:59:38,883 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 28 treesize of output 24 [2023-05-04 06:59:39,262 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:59:39,262 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 55 treesize of output 51 [2023-05-04 06:59:39,265 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2023-05-04 06:59:41,038 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:59:41,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1038552514] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:59:41,038 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:59:41,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 36, 36] total 98 [2023-05-04 06:59:41,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933669266] [2023-05-04 06:59:41,039 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:59:41,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2023-05-04 06:59:41,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:59:41,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2023-05-04 06:59:41,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=563, Invalid=8936, Unknown=7, NotChecked=0, Total=9506 [2023-05-04 06:59:41,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:59:41,041 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:59:41,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 3.8979591836734695) internal successors, (382), 98 states have internal predecessors, (382), 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) [2023-05-04 06:59:41,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:59:41,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:59:41,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:59:41,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:59:41,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 06:59:41,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 06:59:41,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 06:59:41,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 06:59:41,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2023-05-04 06:59:41,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2023-05-04 06:59:41,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2023-05-04 06:59:41,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:59:41,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2023-05-04 06:59:41,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2023-05-04 06:59:41,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. [2023-05-04 06:59:41,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:59:41,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:59:41,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2023-05-04 06:59:41,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:00:11,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:00:11,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:00:11,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:00:11,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:00:11,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 07:00:11,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 07:00:11,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 07:00:11,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 07:00:11,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2023-05-04 07:00:11,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-05-04 07:00:11,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-05-04 07:00:11,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 07:00:11,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2023-05-04 07:00:11,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2023-05-04 07:00:11,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2023-05-04 07:00:11,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 07:00:11,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:00:11,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2023-05-04 07:00:11,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2023-05-04 07:00:11,243 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-05-04 07:00:11,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:00:11,443 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 07:00:11,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:00:11,444 INFO L85 PathProgramCache]: Analyzing trace with hash 509066568, now seen corresponding path program 10 times [2023-05-04 07:00:11,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:00:11,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038173370] [2023-05-04 07:00:11,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:00:11,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:00:11,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:00:11,613 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-05-04 07:00:11,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:00:11,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038173370] [2023-05-04 07:00:11,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038173370] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 07:00:11,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 07:00:11,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 07:00:11,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781398511] [2023-05-04 07:00:11,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 07:00:11,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 07:00:11,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:00:11,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 07:00:11,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-04 07:00:11,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:00:11,614 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:00:11,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 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) [2023-05-04 07:00:11,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:00:11,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:00:11,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:00:11,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:00:11,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 07:00:11,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 07:00:11,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 07:00:11,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 07:00:11,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2023-05-04 07:00:11,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2023-05-04 07:00:11,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2023-05-04 07:00:11,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 07:00:11,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2023-05-04 07:00:11,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2023-05-04 07:00:11,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. [2023-05-04 07:00:11,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 07:00:11,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:00:11,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2023-05-04 07:00:11,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2023-05-04 07:00:11,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:00:12,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:00:12,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:00:12,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:00:12,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:00:12,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 07:00:12,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 07:00:12,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 07:00:12,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 07:00:12,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2023-05-04 07:00:12,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-05-04 07:00:12,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-05-04 07:00:12,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 07:00:12,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2023-05-04 07:00:12,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2023-05-04 07:00:12,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2023-05-04 07:00:12,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 07:00:12,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:00:12,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2023-05-04 07:00:12,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. [2023-05-04 07:00:12,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 07:00:12,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-05-04 07:00:12,322 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 07:00:12,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:00:12,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1640702694, now seen corresponding path program 11 times [2023-05-04 07:00:12,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:00:12,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648400409] [2023-05-04 07:00:12,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:00:12,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:00:12,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:00:15,057 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 6 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:00:15,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:00:15,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648400409] [2023-05-04 07:00:15,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648400409] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 07:00:15,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1959207603] [2023-05-04 07:00:15,058 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 07:00:15,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:00:15,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:00:15,060 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) [2023-05-04 07:00:15,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-05-04 07:00:15,204 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2023-05-04 07:00:15,204 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 07:00:15,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 60 conjunts are in the unsatisfiable core [2023-05-04 07:00:15,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 07:00:16,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 07:00:16,367 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 21 [2023-05-04 07:00:16,589 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 07:00:16,590 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 25 treesize of output 19 [2023-05-04 07:00:16,968 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 07:00:16,968 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 80 [2023-05-04 07:00:17,991 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 6 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:00:17,991 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 07:00:18,877 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 07:00:18,877 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 28 treesize of output 24 [2023-05-04 07:00:19,772 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 07:00:19,772 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 59 treesize of output 55 [2023-05-04 07:00:19,776 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 32 [2023-05-04 07:00:21,477 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 13 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:00:21,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1959207603] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 07:00:21,477 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 07:00:21,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 37, 37] total 111 [2023-05-04 07:00:21,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136156257] [2023-05-04 07:00:21,478 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 07:00:21,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 111 states [2023-05-04 07:00:21,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:00:21,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2023-05-04 07:00:21,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=589, Invalid=11620, Unknown=1, NotChecked=0, Total=12210 [2023-05-04 07:00:21,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:00:21,480 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:00:21,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 111 states, 111 states have (on average 4.009009009009009) internal successors, (445), 111 states have internal predecessors, (445), 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) [2023-05-04 07:00:21,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:00:21,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:00:21,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:00:21,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:00:21,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 07:00:21,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 07:00:21,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 07:00:21,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 07:00:21,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2023-05-04 07:00:21,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2023-05-04 07:00:21,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2023-05-04 07:00:21,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 07:00:21,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2023-05-04 07:00:21,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2023-05-04 07:00:21,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. [2023-05-04 07:00:21,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 07:00:21,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:00:21,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2023-05-04 07:00:21,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 205 states. [2023-05-04 07:00:21,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 07:00:21,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:01:42,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:01:42,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:01:42,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:01:42,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:01:42,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 07:01:42,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 07:01:42,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 07:01:42,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 07:01:42,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2023-05-04 07:01:42,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-05-04 07:01:42,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-05-04 07:01:42,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 07:01:42,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2023-05-04 07:01:42,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2023-05-04 07:01:42,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2023-05-04 07:01:42,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 07:01:42,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:01:42,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2023-05-04 07:01:42,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. [2023-05-04 07:01:42,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 07:01:42,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 336 states. [2023-05-04 07:01:42,440 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-05-04 07:01:42,622 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,SelfDestructingSolverStorable20 [2023-05-04 07:01:42,622 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 07:01:42,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:01:42,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1360317001, now seen corresponding path program 5 times [2023-05-04 07:01:42,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:01:42,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319767813] [2023-05-04 07:01:42,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:01:42,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:01:42,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:01:44,394 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:01:44,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:01:44,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319767813] [2023-05-04 07:01:44,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319767813] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 07:01:44,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1996154516] [2023-05-04 07:01:44,395 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 07:01:44,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:01:44,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:01:44,396 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) [2023-05-04 07:01:44,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-05-04 07:01:44,502 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2023-05-04 07:01:44,502 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 07:01:44,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 54 conjunts are in the unsatisfiable core [2023-05-04 07:01:44,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 07:01:45,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 07:01:45,034 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 21 [2023-05-04 07:01:45,191 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 7 [2023-05-04 07:01:45,341 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2023-05-04 07:01:45,568 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 45 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-05-04 07:01:45,568 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 07:01:45,887 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 07:01:45,887 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 28 treesize of output 24 [2023-05-04 07:01:46,336 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 07:01:46,336 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 55 treesize of output 51 [2023-05-04 07:01:46,350 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2023-05-04 07:01:47,372 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 8 proven. 31 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-04 07:01:47,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1996154516] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 07:01:47,372 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 07:01:47,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 27, 25] total 83 [2023-05-04 07:01:47,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316053184] [2023-05-04 07:01:47,372 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 07:01:47,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 83 states [2023-05-04 07:01:47,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:01:47,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2023-05-04 07:01:47,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=503, Invalid=6298, Unknown=5, NotChecked=0, Total=6806 [2023-05-04 07:01:47,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:01:47,374 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:01:47,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 83 states, 83 states have (on average 4.9879518072289155) internal successors, (414), 83 states have internal predecessors, (414), 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) [2023-05-04 07:01:47,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:01:47,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:01:47,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:01:47,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:01:47,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 07:01:47,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 07:01:47,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 07:01:47,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 07:01:47,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2023-05-04 07:01:47,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2023-05-04 07:01:47,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2023-05-04 07:01:47,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 07:01:47,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2023-05-04 07:01:47,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2023-05-04 07:01:47,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. [2023-05-04 07:01:47,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 07:01:47,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:01:47,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2023-05-04 07:01:47,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 205 states. [2023-05-04 07:01:47,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 07:01:47,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 336 states. [2023-05-04 07:01:47,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:02:17,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:02:17,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:02:17,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:02:17,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:02:17,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 07:02:17,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 07:02:17,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 07:02:17,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 07:02:17,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2023-05-04 07:02:17,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-05-04 07:02:17,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-05-04 07:02:17,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 07:02:17,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2023-05-04 07:02:17,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2023-05-04 07:02:17,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2023-05-04 07:02:17,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 07:02:17,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:02:17,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2023-05-04 07:02:17,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. [2023-05-04 07:02:17,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 07:02:17,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 339 states. [2023-05-04 07:02:17,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 247 states. [2023-05-04 07:02:17,031 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-05-04 07:02:17,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:02:17,217 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 07:02:17,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:02:17,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1121496556, now seen corresponding path program 12 times [2023-05-04 07:02:17,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:02:17,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370529153] [2023-05-04 07:02:17,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:02:17,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:02:17,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:02:19,748 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 7 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:02:19,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:02:19,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370529153] [2023-05-04 07:02:19,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370529153] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 07:02:19,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280573004] [2023-05-04 07:02:19,749 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-04 07:02:19,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:02:19,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:02:19,768 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) [2023-05-04 07:02:19,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-05-04 07:02:19,971 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2023-05-04 07:02:19,971 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 07:02:19,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 82 conjunts are in the unsatisfiable core [2023-05-04 07:02:19,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 07:02:21,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 07:02:21,016 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-04 07:02:21,167 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 7 [2023-05-04 07:02:22,112 INFO L356 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2023-05-04 07:02:22,112 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 48 treesize of output 21 [2023-05-04 07:02:22,397 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:02:22,397 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 07:02:23,153 INFO L356 Elim1Store]: treesize reduction 12, result has 81.5 percent of original size [2023-05-04 07:02:23,153 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 50 treesize of output 69 [2023-05-04 07:02:24,021 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 07:02:24,021 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 60 treesize of output 56 [2023-05-04 07:02:24,026 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2023-05-04 07:02:26,381 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:02:26,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1280573004] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 07:02:26,381 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 07:02:26,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 43, 43] total 121 [2023-05-04 07:02:26,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772514729] [2023-05-04 07:02:26,382 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 07:02:26,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 121 states [2023-05-04 07:02:26,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:02:26,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2023-05-04 07:02:26,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1196, Invalid=13323, Unknown=1, NotChecked=0, Total=14520 [2023-05-04 07:02:26,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:02:26,384 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:02:26,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 121 states, 121 states have (on average 3.7520661157024793) internal successors, (454), 121 states have internal predecessors, (454), 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) [2023-05-04 07:02:26,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:02:26,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:02:26,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:02:26,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:02:26,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 07:02:26,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 07:02:26,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 07:02:26,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 07:02:26,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2023-05-04 07:02:26,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2023-05-04 07:02:26,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2023-05-04 07:02:26,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 07:02:26,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2023-05-04 07:02:26,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2023-05-04 07:02:26,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. [2023-05-04 07:02:26,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 07:02:26,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:02:26,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2023-05-04 07:02:26,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 205 states. [2023-05-04 07:02:26,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 07:02:26,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 339 states. [2023-05-04 07:02:26,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 247 states. [2023-05-04 07:02:26,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:03:15,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:03:15,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:03:15,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:03:15,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:03:15,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 07:03:15,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 07:03:15,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 07:03:15,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 07:03:15,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2023-05-04 07:03:15,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-05-04 07:03:15,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-05-04 07:03:15,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 07:03:15,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2023-05-04 07:03:15,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2023-05-04 07:03:15,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2023-05-04 07:03:15,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 07:03:15,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:03:15,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2023-05-04 07:03:15,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. [2023-05-04 07:03:15,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 07:03:15,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 339 states. [2023-05-04 07:03:15,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 247 states. [2023-05-04 07:03:15,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 280 states. [2023-05-04 07:03:15,586 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-05-04 07:03:15,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:03:15,788 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 07:03:15,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:03:15,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1704006409, now seen corresponding path program 6 times [2023-05-04 07:03:15,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:03:15,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670472178] [2023-05-04 07:03:15,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:03:15,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:03:15,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:03:18,959 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 8 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:03:18,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:03:18,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670472178] [2023-05-04 07:03:18,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670472178] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 07:03:18,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1824620280] [2023-05-04 07:03:18,960 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-04 07:03:18,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:03:18,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:03:18,961 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 07:03:18,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-05-04 07:03:19,318 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2023-05-04 07:03:19,319 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 07:03:19,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 91 conjunts are in the unsatisfiable core [2023-05-04 07:03:19,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 07:03:20,487 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-05-04 07:03:20,959 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-04 07:03:21,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 07:03:21,177 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-04 07:03:21,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 07:03:21,629 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 31 [2023-05-04 07:03:22,599 INFO L356 Elim1Store]: treesize reduction 98, result has 6.7 percent of original size [2023-05-04 07:03:22,599 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 69 treesize of output 24 [2023-05-04 07:03:22,752 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:03:22,752 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 07:03:27,786 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 07:03:27,786 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 187 treesize of output 127 [2023-05-04 07:03:27,866 INFO L356 Elim1Store]: treesize reduction 64, result has 62.1 percent of original size [2023-05-04 07:03:27,867 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 5402 treesize of output 4936 [2023-05-04 07:03:27,962 INFO L356 Elim1Store]: treesize reduction 64, result has 62.1 percent of original size [2023-05-04 07:03:27,963 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 4832 treesize of output 4504 [2023-05-04 07:03:28,021 INFO L356 Elim1Store]: treesize reduction 26, result has 61.2 percent of original size [2023-05-04 07:03:28,021 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 4382 treesize of output 3486 [2023-05-04 07:03:28,102 INFO L356 Elim1Store]: treesize reduction 64, result has 39.0 percent of original size [2023-05-04 07:03:28,103 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 3446 treesize of output 2634 [2023-05-04 07:03:55,366 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:03:55,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1824620280] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 07:03:55,367 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 07:03:55,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 45, 44] total 124 [2023-05-04 07:03:55,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862642371] [2023-05-04 07:03:55,367 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 07:03:55,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 124 states [2023-05-04 07:03:55,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:03:55,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2023-05-04 07:03:55,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=997, Invalid=14245, Unknown=10, NotChecked=0, Total=15252 [2023-05-04 07:03:55,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:03:55,369 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:03:55,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 124 states, 124 states have (on average 3.411290322580645) internal successors, (423), 124 states have internal predecessors, (423), 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) [2023-05-04 07:03:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:03:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:03:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:03:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:03:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 07:03:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 07:03:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 07:03:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 07:03:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2023-05-04 07:03:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2023-05-04 07:03:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2023-05-04 07:03:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 07:03:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2023-05-04 07:03:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2023-05-04 07:03:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. [2023-05-04 07:03:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 07:03:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:03:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2023-05-04 07:03:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 205 states. [2023-05-04 07:03:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 07:03:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 339 states. [2023-05-04 07:03:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 247 states. [2023-05-04 07:03:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 280 states. [2023-05-04 07:03:55,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:05:46,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:05:46,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:05:46,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:05:46,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:05:46,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 07:05:46,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 07:05:46,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 07:05:46,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 07:05:46,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2023-05-04 07:05:46,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-05-04 07:05:46,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-05-04 07:05:46,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 07:05:46,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2023-05-04 07:05:46,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2023-05-04 07:05:46,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2023-05-04 07:05:46,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 07:05:46,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:05:46,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2023-05-04 07:05:46,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. [2023-05-04 07:05:46,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 07:05:46,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 372 states. [2023-05-04 07:05:46,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 307 states. [2023-05-04 07:05:46,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 346 states. [2023-05-04 07:05:46,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 319 states. [2023-05-04 07:05:46,093 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-05-04 07:05:46,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2023-05-04 07:05:46,289 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 07:05:46,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:05:46,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1159168522, now seen corresponding path program 13 times [2023-05-04 07:05:46,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:05:46,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315393690] [2023-05-04 07:05:46,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:05:46,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:05:46,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:05:48,755 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 6 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:05:48,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:05:48,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315393690] [2023-05-04 07:05:48,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315393690] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 07:05:48,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [522915315] [2023-05-04 07:05:48,755 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-04 07:05:48,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:05:48,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:05:48,757 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 07:05:48,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-05-04 07:05:48,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:05:48,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 94 conjunts are in the unsatisfiable core [2023-05-04 07:05:48,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 07:05:49,499 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-05-04 07:05:49,632 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-05-04 07:05:49,769 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-05-04 07:05:50,120 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-04 07:05:50,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 07:05:50,411 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-04 07:05:50,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 07:05:50,833 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 31 [2023-05-04 07:05:51,494 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 07:05:51,495 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 70 treesize of output 18 [2023-05-04 07:05:51,713 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 6 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:05:51,713 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 07:05:58,770 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 07:05:58,770 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 285 treesize of output 155 [2023-05-04 07:05:58,814 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 07:05:58,814 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 3114 treesize of output 2918 [2023-05-04 07:05:58,865 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 07:05:58,866 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 2774 treesize of output 2382 [2023-05-04 07:05:58,922 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 07:05:58,922 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 2326 treesize of output 2204 [2023-05-04 07:05:58,966 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 07:05:58,966 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 2066 treesize of output 1558 [2023-05-04 07:06:12,479 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 9 proven. 58 refuted. 2 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:06:12,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [522915315] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 07:06:12,480 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 07:06:12,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 47, 48] total 131 [2023-05-04 07:06:12,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053437096] [2023-05-04 07:06:12,480 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 07:06:12,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 131 states [2023-05-04 07:06:12,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:06:12,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2023-05-04 07:06:12,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1374, Invalid=15604, Unknown=52, NotChecked=0, Total=17030 [2023-05-04 07:06:12,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:06:12,483 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:06:12,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 131 states, 131 states have (on average 3.404580152671756) internal successors, (446), 131 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 07:06:12,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:06:12,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:06:12,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:06:12,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:06:12,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 07:06:12,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 07:06:12,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 07:06:12,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 07:06:12,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2023-05-04 07:06:12,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2023-05-04 07:06:12,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2023-05-04 07:06:12,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 07:06:12,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2023-05-04 07:06:12,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2023-05-04 07:06:12,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 192 states. [2023-05-04 07:06:12,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 07:06:12,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:06:12,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2023-05-04 07:06:12,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 205 states. [2023-05-04 07:06:12,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 07:06:12,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 372 states. [2023-05-04 07:06:12,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 307 states. [2023-05-04 07:06:12,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 346 states. [2023-05-04 07:06:12,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 319 states. [2023-05-04 07:06:12,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:06:48,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:06:48,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:06:48,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:06:48,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:06:48,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 07:06:48,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 07:06:48,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 07:06:48,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 07:06:48,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2023-05-04 07:06:48,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-05-04 07:06:48,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-05-04 07:06:48,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 07:06:48,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2023-05-04 07:06:48,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2023-05-04 07:06:48,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2023-05-04 07:06:48,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 07:06:48,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:06:48,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2023-05-04 07:06:48,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. [2023-05-04 07:06:48,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 07:06:48,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 372 states. [2023-05-04 07:06:48,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 309 states. [2023-05-04 07:06:48,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 351 states. [2023-05-04 07:06:48,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 319 states. [2023-05-04 07:06:48,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 230 states. [2023-05-04 07:06:49,003 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-05-04 07:06:49,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:06:49,203 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 07:06:49,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:06:49,204 INFO L85 PathProgramCache]: Analyzing trace with hash -261760872, now seen corresponding path program 14 times [2023-05-04 07:06:49,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:06:49,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708889491] [2023-05-04 07:06:49,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:06:49,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:06:49,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:06:51,258 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 7 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:06:51,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:06:51,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708889491] [2023-05-04 07:06:51,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708889491] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 07:06:51,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39256632] [2023-05-04 07:06:51,259 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 07:06:51,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:06:51,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:06:51,260 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 07:06:51,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-05-04 07:06:51,375 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 07:06:51,375 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 07:06:51,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 95 conjunts are in the unsatisfiable core [2023-05-04 07:06:51,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 07:06:52,077 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-05-04 07:06:52,269 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-05-04 07:06:52,440 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-05-04 07:06:52,919 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-04 07:06:53,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 07:06:53,308 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-04 07:06:54,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 07:06:54,334 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 50 [2023-05-04 07:06:54,852 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 07:06:54,852 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 70 treesize of output 18 [2023-05-04 07:06:55,101 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:06:55,101 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 07:06:59,595 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 07:06:59,597 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 279 treesize of output 149 [2023-05-04 07:06:59,654 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 07:06:59,654 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 2876 treesize of output 2617 [2023-05-04 07:06:59,707 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 07:06:59,707 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 2473 treesize of output 1983 [2023-05-04 07:06:59,771 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 07:06:59,771 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 1927 treesize of output 1756 [2023-05-04 07:06:59,812 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 07:06:59,813 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1572 treesize of output 1304 [2023-05-04 07:07:45,853 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:07:45,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [39256632] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 07:07:45,853 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 07:07:45,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 47, 48] total 130 [2023-05-04 07:07:45,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895141961] [2023-05-04 07:07:45,854 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 07:07:45,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 130 states [2023-05-04 07:07:45,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:07:45,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2023-05-04 07:07:45,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1673, Invalid=15057, Unknown=40, NotChecked=0, Total=16770 [2023-05-04 07:07:45,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:07:45,856 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:07:45,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 130 states, 130 states have (on average 3.4923076923076923) internal successors, (454), 130 states have internal predecessors, (454), 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) [2023-05-04 07:07:45,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:07:45,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:07:45,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:07:45,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:07:45,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 07:07:45,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 07:07:45,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 07:07:45,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 07:07:45,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2023-05-04 07:07:45,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2023-05-04 07:07:45,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2023-05-04 07:07:45,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 07:07:45,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2023-05-04 07:07:45,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2023-05-04 07:07:45,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 192 states. [2023-05-04 07:07:45,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 07:07:45,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:07:45,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2023-05-04 07:07:45,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 205 states. [2023-05-04 07:07:45,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 07:07:45,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 372 states. [2023-05-04 07:07:45,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 309 states. [2023-05-04 07:07:45,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 351 states. [2023-05-04 07:07:45,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 319 states. [2023-05-04 07:07:45,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 230 states. [2023-05-04 07:07:45,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:08:45,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:08:45,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:08:45,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:08:45,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:08:45,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 07:08:45,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 07:08:45,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 07:08:45,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 07:08:45,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2023-05-04 07:08:45,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-05-04 07:08:45,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-05-04 07:08:45,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 07:08:45,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2023-05-04 07:08:45,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2023-05-04 07:08:45,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2023-05-04 07:08:45,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 07:08:45,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:08:45,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2023-05-04 07:08:45,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. [2023-05-04 07:08:45,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 07:08:45,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 383 states. [2023-05-04 07:08:45,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 311 states. [2023-05-04 07:08:45,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 354 states. [2023-05-04 07:08:45,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 325 states. [2023-05-04 07:08:45,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 231 states. [2023-05-04 07:08:45,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 262 states. [2023-05-04 07:08:45,274 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-05-04 07:08:45,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:08:45,465 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 07:08:45,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:08:45,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1075277855, now seen corresponding path program 15 times [2023-05-04 07:08:45,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:08:45,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063705955] [2023-05-04 07:08:45,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:08:45,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:08:45,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:08:47,348 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 6 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:08:47,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:08:47,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063705955] [2023-05-04 07:08:47,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063705955] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 07:08:47,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [122258443] [2023-05-04 07:08:47,348 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 07:08:47,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:08:47,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:08:47,350 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 07:08:47,353 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-05-04 07:08:47,650 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-05-04 07:08:47,650 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 07:08:47,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 75 conjunts are in the unsatisfiable core [2023-05-04 07:08:47,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 07:08:49,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 07:08:49,127 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-04 07:08:50,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 07:08:50,603 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 41 [2023-05-04 07:08:50,769 INFO L356 Elim1Store]: treesize reduction 24, result has 11.1 percent of original size [2023-05-04 07:08:50,769 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 16 [2023-05-04 07:08:51,067 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 1 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:08:51,067 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 07:08:52,625 INFO L356 Elim1Store]: treesize reduction 12, result has 81.5 percent of original size [2023-05-04 07:08:52,626 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 294 treesize of output 280 [2023-05-04 07:08:52,632 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 200 treesize of output 172 [2023-05-04 07:08:52,670 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 07:08:52,671 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 196 treesize of output 178 [2023-05-04 07:08:56,114 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:08:56,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [122258443] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 07:08:56,115 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 07:08:56,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 43, 43] total 121 [2023-05-04 07:08:56,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504307080] [2023-05-04 07:08:56,115 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 07:08:56,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 121 states [2023-05-04 07:08:56,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:08:56,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2023-05-04 07:08:56,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1181, Invalid=13337, Unknown=2, NotChecked=0, Total=14520 [2023-05-04 07:08:56,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:08:56,118 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:08:56,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 121 states, 121 states have (on average 3.652892561983471) internal successors, (442), 121 states have internal predecessors, (442), 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) [2023-05-04 07:08:56,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:08:56,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:08:56,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:08:56,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:08:56,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 07:08:56,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 07:08:56,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 07:08:56,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 07:08:56,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2023-05-04 07:08:56,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2023-05-04 07:08:56,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2023-05-04 07:08:56,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 07:08:56,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2023-05-04 07:08:56,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2023-05-04 07:08:56,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 192 states. [2023-05-04 07:08:56,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 07:08:56,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:08:56,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2023-05-04 07:08:56,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 205 states. [2023-05-04 07:08:56,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 07:08:56,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 383 states. [2023-05-04 07:08:56,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 311 states. [2023-05-04 07:08:56,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 354 states. [2023-05-04 07:08:56,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 325 states. [2023-05-04 07:08:56,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 231 states. [2023-05-04 07:08:56,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 262 states. [2023-05-04 07:08:56,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2023-05-04 07:10:19,298 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 07:10:19,299 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 07:10:19,299 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 07:10:19,301 WARN L249 SmtUtils]: Removed 3 from assertion stack [2023-05-04 07:10:19,317 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2023-05-04 07:10:19,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:10:19,502 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 85 for 63ms.. [2023-05-04 07:10:19,503 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-05-04 07:10:19,504 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-04 07:10:19,504 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-04 07:10:19,504 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-04 07:10:19,509 INFO L444 BasicCegarLoop]: Path program histogram: [15, 6, 3, 1, 1, 1] [2023-05-04 07:10:19,510 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 07:10:19,511 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 07:10:19,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 07:10:19 BasicIcfg [2023-05-04 07:10:19,512 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 07:10:19,512 INFO L158 Benchmark]: Toolchain (without parser) took 840613.84ms. Allocated memory was 224.4MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 169.9MB in the beginning and 508.3MB in the end (delta: -338.4MB). Peak memory consumption was 765.1MB. Max. memory is 8.0GB. [2023-05-04 07:10:19,534 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 224.4MB. Free memory was 187.2MB in the beginning and 187.0MB in the end (delta: 230.4kB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 07:10:19,535 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.77ms. Allocated memory is still 224.4MB. Free memory was 169.8MB in the beginning and 195.7MB in the end (delta: -25.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-05-04 07:10:19,535 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.19ms. Allocated memory is still 224.4MB. Free memory was 195.5MB in the beginning and 193.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 07:10:19,535 INFO L158 Benchmark]: Boogie Preprocessor took 28.30ms. Allocated memory is still 224.4MB. Free memory was 193.5MB in the beginning and 192.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-04 07:10:19,535 INFO L158 Benchmark]: RCFGBuilder took 383.86ms. Allocated memory is still 224.4MB. Free memory was 192.0MB in the beginning and 169.6MB in the end (delta: 22.4MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2023-05-04 07:10:19,536 INFO L158 Benchmark]: TraceAbstraction took 839846.81ms. Allocated memory was 224.4MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 168.3MB in the beginning and 508.3MB in the end (delta: -340.0MB). Peak memory consumption was 764.0MB. Max. memory is 8.0GB. [2023-05-04 07:10:19,538 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 224.4MB. Free memory was 187.2MB in the beginning and 187.0MB in the end (delta: 230.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 311.77ms. Allocated memory is still 224.4MB. Free memory was 169.8MB in the beginning and 195.7MB in the end (delta: -25.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.19ms. Allocated memory is still 224.4MB. Free memory was 195.5MB in the beginning and 193.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.30ms. Allocated memory is still 224.4MB. Free memory was 193.5MB in the beginning and 192.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 383.86ms. Allocated memory is still 224.4MB. Free memory was 192.0MB in the beginning and 169.6MB in the end (delta: 22.4MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * TraceAbstraction took 839846.81ms. Allocated memory was 224.4MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 168.3MB in the beginning and 508.3MB in the end (delta: -340.0MB). Peak memory consumption was 764.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 295711, independent: 268609, independent conditional: 266651, independent unconditional: 1958, dependent: 27102, dependent conditional: 27078, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 269137, independent: 268609, independent conditional: 266651, independent unconditional: 1958, dependent: 528, dependent conditional: 504, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 269137, independent: 268609, independent conditional: 266651, independent unconditional: 1958, dependent: 528, dependent conditional: 504, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 303461, independent: 268609, independent conditional: 6082, independent unconditional: 262527, dependent: 34852, dependent conditional: 28242, dependent unconditional: 6610, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 303461, independent: 268609, independent conditional: 6082, independent unconditional: 262527, dependent: 34852, dependent conditional: 17453, dependent unconditional: 17399, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 303461, independent: 268609, independent conditional: 6082, independent unconditional: 262527, dependent: 34852, dependent conditional: 17453, dependent unconditional: 17399, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3280, independent: 2219, independent conditional: 630, independent unconditional: 1589, dependent: 1061, dependent conditional: 1037, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3280, independent: 1588, independent conditional: 0, independent unconditional: 1588, dependent: 1692, dependent conditional: 0, dependent unconditional: 1692, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1692, independent: 631, independent conditional: 630, independent unconditional: 1, dependent: 1061, dependent conditional: 1037, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1692, independent: 631, independent conditional: 630, independent unconditional: 1, dependent: 1061, dependent conditional: 1037, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4170, independent: 1679, independent conditional: 1671, independent unconditional: 7, dependent: 2491, dependent conditional: 2417, dependent unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 303461, independent: 266390, independent conditional: 5452, independent unconditional: 260938, dependent: 33791, dependent conditional: 16416, dependent unconditional: 17375, unknown: 3280, unknown conditional: 1667, unknown unconditional: 1613] , Statistics on independence cache: Total cache size (in pairs): 3280, Positive cache size: 2219, Positive conditional cache size: 630, Positive unconditional cache size: 1589, Negative cache size: 1061, Negative conditional cache size: 1037, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 10789, Maximal queried relation: 26, Independence queries for same thread: 26574 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 1874, Number of trivial persistent sets: 1328, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1982, independent: 1958, independent conditional: 0, independent unconditional: 1958, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 295711, independent: 268609, independent conditional: 266651, independent unconditional: 1958, dependent: 27102, dependent conditional: 27078, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 269137, independent: 268609, independent conditional: 266651, independent unconditional: 1958, dependent: 528, dependent conditional: 504, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 269137, independent: 268609, independent conditional: 266651, independent unconditional: 1958, dependent: 528, dependent conditional: 504, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 303461, independent: 268609, independent conditional: 6082, independent unconditional: 262527, dependent: 34852, dependent conditional: 28242, dependent unconditional: 6610, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 303461, independent: 268609, independent conditional: 6082, independent unconditional: 262527, dependent: 34852, dependent conditional: 17453, dependent unconditional: 17399, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 303461, independent: 268609, independent conditional: 6082, independent unconditional: 262527, dependent: 34852, dependent conditional: 17453, dependent unconditional: 17399, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3280, independent: 2219, independent conditional: 630, independent unconditional: 1589, dependent: 1061, dependent conditional: 1037, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3280, independent: 1588, independent conditional: 0, independent unconditional: 1588, dependent: 1692, dependent conditional: 0, dependent unconditional: 1692, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1692, independent: 631, independent conditional: 630, independent unconditional: 1, dependent: 1061, dependent conditional: 1037, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1692, independent: 631, independent conditional: 630, independent unconditional: 1, dependent: 1061, dependent conditional: 1037, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4170, independent: 1679, independent conditional: 1671, independent unconditional: 7, dependent: 2491, dependent conditional: 2417, dependent unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 303461, independent: 266390, independent conditional: 5452, independent unconditional: 260938, dependent: 33791, dependent conditional: 16416, dependent unconditional: 17375, unknown: 3280, unknown conditional: 1667, unknown unconditional: 1613] , Statistics on independence cache: Total cache size (in pairs): 3280, Positive cache size: 2219, Positive conditional cache size: 630, Positive unconditional cache size: 1589, Negative cache size: 1061, Negative conditional cache size: 1037, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 10789, Maximal queried relation: 26, Independence queries for same thread: 26574 - TimeoutResultAtElement [Line: 116]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 85 for 63ms.. - TimeoutResultAtElement [Line: 110]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 85 for 63ms.. - TimeoutResultAtElement [Line: 109]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 85 for 63ms.. - TimeoutResultAtElement [Line: 108]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 85 for 63ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 173 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 839.8s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 15, EmptinessCheckTime: 617.8s, 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: 3710, 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, 2.3s SatisfiabilityAnalysisTime, 213.8s InterpolantComputationTime, 6810 NumberOfCodeBlocks, 6782 NumberOfCodeBlocksAsserted, 78 NumberOfCheckSat, 9556 ConstructedInterpolants, 554 QuantifiedInterpolants, 181739 SizeOfPredicates, 678 NumberOfNonLiveVariables, 6724 ConjunctsInSsa, 1078 ConjunctsInUnsatCore, 63 InterpolantComputations, 9 PerfectInterpolantSequences, 811/2686 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown