/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 15:45:17,353 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 15:45:17,355 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 15:45:17,392 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 15:45:17,392 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 15:45:17,396 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 15:45:17,397 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 15:45:17,401 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 15:45:17,402 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 15:45:17,406 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 15:45:17,407 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 15:45:17,409 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 15:45:17,409 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 15:45:17,411 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 15:45:17,412 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 15:45:17,413 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 15:45:17,413 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 15:45:17,414 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 15:45:17,414 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 15:45:17,416 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 15:45:17,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 15:45:17,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 15:45:17,424 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 15:45:17,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 15:45:17,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 15:45:17,430 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 15:45:17,430 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 15:45:17,432 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 15:45:17,432 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 15:45:17,433 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 15:45:17,433 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 15:45:17,433 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 15:45:17,435 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 15:45:17,435 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 15:45:17,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 15:45:17,436 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 15:45:17,437 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 15:45:17,437 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 15:45:17,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 15:45:17,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 15:45:17,439 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 15:45:17,439 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 15:45:17,467 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 15:45:17,467 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 15:45:17,467 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 15:45:17,467 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 15:45:17,468 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 15:45:17,468 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 15:45:17,469 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 15:45:17,469 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 15:45:17,469 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 15:45:17,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 15:45:17,470 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 15:45:17,470 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 15:45:17,471 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 15:45:17,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 15:45:17,471 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 15:45:17,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 15:45:17,471 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 15:45:17,471 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 15:45:17,471 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 15:45:17,472 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 15:45:17,472 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 15:45:17,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 15:45:17,476 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 15:45:17,478 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 15:45:17,479 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 15:45:17,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 15:45:17,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 15:45:17,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 15:45:17,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 15:45:17,480 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 15:45:17,480 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 15:45:17,480 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 15:45:17,480 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 15:45:17,480 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 15:45:17,480 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 15:45:17,480 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 15:45:17,481 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-04 15:45:17,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 15:45:17,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 15:45:17,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 15:45:17,687 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 15:45:17,688 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 15:45:17,688 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c [2023-05-04 15:45:17,732 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0af8be229/e5a0a56a54e34b52a8d5898696917ad4/FLAG035189552 [2023-05-04 15:45:18,099 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 15:45:18,100 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c [2023-05-04 15:45:18,106 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0af8be229/e5a0a56a54e34b52a8d5898696917ad4/FLAG035189552 [2023-05-04 15:45:18,115 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0af8be229/e5a0a56a54e34b52a8d5898696917ad4 [2023-05-04 15:45:18,117 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 15:45:18,118 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 15:45:18,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 15:45:18,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 15:45:18,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 15:45:18,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 03:45:18" (1/1) ... [2023-05-04 15:45:18,124 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3afdf3ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:45:18, skipping insertion in model container [2023-05-04 15:45:18,125 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 03:45:18" (1/1) ... [2023-05-04 15:45:18,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 15:45:18,152 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 15:45:18,308 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-more-multiply-verify.wvr.c[3042,3055] [2023-05-04 15:45:18,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 15:45:18,319 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 15:45:18,338 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-more-multiply-verify.wvr.c[3042,3055] [2023-05-04 15:45:18,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 15:45:18,352 INFO L208 MainTranslator]: Completed translation [2023-05-04 15:45:18,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:45:18 WrapperNode [2023-05-04 15:45:18,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 15:45:18,353 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 15:45:18,353 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 15:45:18,353 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 15:45:18,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:45:18" (1/1) ... [2023-05-04 15:45:18,369 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:45:18" (1/1) ... [2023-05-04 15:45:18,390 INFO L138 Inliner]: procedures = 26, calls = 50, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 179 [2023-05-04 15:45:18,390 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 15:45:18,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 15:45:18,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 15:45:18,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 15:45:18,399 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:45:18" (1/1) ... [2023-05-04 15:45:18,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:45:18" (1/1) ... [2023-05-04 15:45:18,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:45:18" (1/1) ... [2023-05-04 15:45:18,402 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:45:18" (1/1) ... [2023-05-04 15:45:18,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:45:18" (1/1) ... [2023-05-04 15:45:18,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:45:18" (1/1) ... [2023-05-04 15:45:18,412 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:45:18" (1/1) ... [2023-05-04 15:45:18,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:45:18" (1/1) ... [2023-05-04 15:45:18,415 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 15:45:18,415 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 15:45:18,416 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 15:45:18,416 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 15:45:18,422 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:45:18" (1/1) ... [2023-05-04 15:45:18,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 15:45:18,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 15:45:18,450 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 15:45:18,458 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 15:45:18,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 15:45:18,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 15:45:18,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 15:45:18,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 15:45:18,483 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 15:45:18,483 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 15:45:18,483 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 15:45:18,483 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 15:45:18,483 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-04 15:45:18,483 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-04 15:45:18,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 15:45:18,483 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-04 15:45:18,483 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-04 15:45:18,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-04 15:45:18,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 15:45:18,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 15:45:18,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 15:45:18,485 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 15:45:18,565 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 15:45:18,566 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 15:45:18,825 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 15:45:18,943 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 15:45:18,944 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-05-04 15:45:18,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 03:45:18 BoogieIcfgContainer [2023-05-04 15:45:18,946 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 15:45:18,947 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 15:45:18,948 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 15:45:18,951 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 15:45:18,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 03:45:18" (1/3) ... [2023-05-04 15:45:18,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69fefd4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 03:45:18, skipping insertion in model container [2023-05-04 15:45:18,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:45:18" (2/3) ... [2023-05-04 15:45:18,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69fefd4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 03:45:18, skipping insertion in model container [2023-05-04 15:45:18,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 03:45:18" (3/3) ... [2023-05-04 15:45:18,953 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-multiply-verify.wvr.c [2023-05-04 15:45:18,959 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 15:45:18,967 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 15:45:18,967 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 15:45:18,967 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 15:45:19,045 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-04 15:45:19,099 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 15:45:19,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 15:45:19,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 15:45:19,101 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 15:45:19,102 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 15:45:19,134 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 15:45:19,151 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 15:45:19,157 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;@67a22e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 15:45:19,158 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-04 15:45:19,385 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 15:45:19,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 15:45:19,390 INFO L85 PathProgramCache]: Analyzing trace with hash -774213256, now seen corresponding path program 1 times [2023-05-04 15:45:19,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 15:45:19,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968711356] [2023-05-04 15:45:19,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 15:45:19,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 15:45:19,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 15:45:19,741 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-05-04 15:45:19,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 15:45:19,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968711356] [2023-05-04 15:45:19,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968711356] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 15:45:19,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 15:45:19,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 15:45:19,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2611857] [2023-05-04 15:45:19,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 15:45:19,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 15:45:19,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 15:45:19,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 15:45:19,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 15:45:19,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:45:19,789 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 15:45:19,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 59.5) internal successors, (119), 2 states have internal predecessors, (119), 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 15:45:19,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:45:19,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:45:19,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 15:45:19,865 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 15:45:19,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 15:45:19,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1570756553, now seen corresponding path program 1 times [2023-05-04 15:45:19,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 15:45:19,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334765793] [2023-05-04 15:45:19,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 15:45:19,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 15:45:19,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 15:45:20,357 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-05-04 15:45:20,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 15:45:20,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334765793] [2023-05-04 15:45:20,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334765793] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 15:45:20,358 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 15:45:20,358 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 15:45:20,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724702799] [2023-05-04 15:45:20,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 15:45:20,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 15:45:20,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 15:45:20,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 15:45:20,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-04 15:45:20,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:45:20,361 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 15:45:20,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 6 states have internal predecessors, (119), 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 15:45:20,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:45:20,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:45:20,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:45:20,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 15:45:20,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 15:45:20,479 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 15:45:20,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 15:45:20,480 INFO L85 PathProgramCache]: Analyzing trace with hash -897020515, now seen corresponding path program 1 times [2023-05-04 15:45:20,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 15:45:20,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232244993] [2023-05-04 15:45:20,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 15:45:20,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 15:45:20,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 15:45:20,707 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-04 15:45:20,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 15:45:20,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232244993] [2023-05-04 15:45:20,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232244993] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 15:45:20,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202174002] [2023-05-04 15:45:20,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 15:45:20,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 15:45:20,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 15:45:20,716 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 15:45:20,744 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 15:45:20,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 15:45:20,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 7 conjunts are in the unsatisfiable core [2023-05-04 15:45:20,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 15:45:21,110 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-04 15:45:21,111 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 15:45:21,332 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-04 15:45:21,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1202174002] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 15:45:21,332 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 15:45:21,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 16 [2023-05-04 15:45:21,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238797370] [2023-05-04 15:45:21,333 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 15:45:21,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-05-04 15:45:21,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 15:45:21,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-05-04 15:45:21,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2023-05-04 15:45:21,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:45:21,338 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 15:45:21,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.5) internal successors, (168), 16 states have internal predecessors, (168), 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 15:45:21,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:45:21,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 15:45:21,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:45:21,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:45:21,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 15:45:21,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 15:45:21,547 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 15:45:21,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-05-04 15:45:21,744 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 15:45:21,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 15:45:21,744 INFO L85 PathProgramCache]: Analyzing trace with hash -540251785, now seen corresponding path program 2 times [2023-05-04 15:45:21,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 15:45:21,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126123271] [2023-05-04 15:45:21,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 15:45:21,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 15:45:21,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 15:45:22,009 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-04 15:45:22,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 15:45:22,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126123271] [2023-05-04 15:45:22,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126123271] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 15:45:22,010 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 15:45:22,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-04 15:45:22,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679832664] [2023-05-04 15:45:22,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 15:45:22,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-04 15:45:22,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 15:45:22,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-04 15:45:22,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-05-04 15:45:22,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:45:22,012 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 15:45:22,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 15:45:22,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:45:22,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 15:45:22,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 15:45:22,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:45:22,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:45:22,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 15:45:22,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 15:45:22,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 15:45:22,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-04 15:45:22,095 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 15:45:22,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 15:45:22,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1732497694, now seen corresponding path program 1 times [2023-05-04 15:45:22,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 15:45:22,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474650896] [2023-05-04 15:45:22,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 15:45:22,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 15:45:22,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 15:45:25,930 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 15:45:25,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 15:45:25,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474650896] [2023-05-04 15:45:25,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474650896] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 15:45:25,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [553863391] [2023-05-04 15:45:25,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 15:45:25,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 15:45:25,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 15:45:25,933 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 15:45:25,950 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 15:45:26,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 15:45:26,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 61 conjunts are in the unsatisfiable core [2023-05-04 15:45:26,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 15:45:26,081 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 15:45:26,128 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2023-05-04 15:45:26,128 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2023-05-04 15:45:26,478 INFO L356 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2023-05-04 15:45:26,478 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 16 treesize of output 18 [2023-05-04 15:45:27,493 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2023-05-04 15:45:27,936 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 33 treesize of output 33 [2023-05-04 15:45:28,386 INFO L356 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2023-05-04 15:45:28,387 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 23 [2023-05-04 15:45:28,540 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 15:45:28,541 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 15:45:29,775 INFO L356 Elim1Store]: treesize reduction 12, result has 81.5 percent of original size [2023-05-04 15:45:29,776 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 290 treesize of output 292 [2023-05-04 15:45:29,813 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 15:45:29,813 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 131 treesize of output 125 [2023-05-04 15:45:29,826 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 15:45:29,826 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 178 treesize of output 126 [2023-05-04 15:45:33,611 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 15:45:33,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [553863391] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 15:45:33,611 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 15:45:33,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 30, 30] total 86 [2023-05-04 15:45:33,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810769403] [2023-05-04 15:45:33,612 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 15:45:33,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2023-05-04 15:45:33,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 15:45:33,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2023-05-04 15:45:33,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=414, Invalid=6893, Unknown=3, NotChecked=0, Total=7310 [2023-05-04 15:45:33,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:45:33,615 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 15:45:33,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 3.895348837209302) internal successors, (335), 86 states have internal predecessors, (335), 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 15:45:33,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:45:33,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 15:45:33,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 15:45:33,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 15:45:33,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:45:36,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:45:36,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 15:45:36,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 15:45:36,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 15:45:36,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-04 15:45:36,615 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 15:45:36,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 15:45:36,801 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 15:45:36,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 15:45:36,802 INFO L85 PathProgramCache]: Analyzing trace with hash -186743620, now seen corresponding path program 2 times [2023-05-04 15:45:36,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 15:45:36,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786584900] [2023-05-04 15:45:36,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 15:45:36,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 15:45:36,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 15:45:42,696 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 15:45:42,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 15:45:42,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786584900] [2023-05-04 15:45:42,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786584900] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 15:45:42,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1990318739] [2023-05-04 15:45:42,696 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 15:45:42,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 15:45:42,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 15:45:42,705 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 15:45:42,706 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 15:45:42,969 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-05-04 15:45:42,969 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 15:45:42,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 51 conjunts are in the unsatisfiable core [2023-05-04 15:45:42,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 15:45:42,987 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 15:45:43,042 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2023-05-04 15:45:43,043 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2023-05-04 15:45:43,250 INFO L356 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2023-05-04 15:45:43,251 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 16 treesize of output 18 [2023-05-04 15:45:43,789 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 23 [2023-05-04 15:45:44,048 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 34 treesize of output 34 [2023-05-04 15:45:44,219 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 15:45:44,220 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 51 treesize of output 17 [2023-05-04 15:45:44,355 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-04 15:45:44,356 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 15:45:44,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1990318739] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 15:45:44,356 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-04 15:45:44,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [41] total 58 [2023-05-04 15:45:44,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223139196] [2023-05-04 15:45:44,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 15:45:44,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-05-04 15:45:44,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 15:45:44,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-05-04 15:45:44,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=3135, Unknown=0, NotChecked=0, Total=3306 [2023-05-04 15:45:44,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:45:44,359 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 15:45:44,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 5.761904761904762) internal successors, (121), 21 states have internal predecessors, (121), 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 15:45:44,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:45:44,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 15:45:44,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 15:45:44,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 15:45:44,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-04 15:45:44,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:45:45,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:45:45,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 15:45:45,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 15:45:45,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 15:45:45,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-04 15:45:45,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 15:45:45,447 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 15:45:45,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 15:45:45,644 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 15:45:45,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 15:45:45,644 INFO L85 PathProgramCache]: Analyzing trace with hash 47748548, now seen corresponding path program 3 times [2023-05-04 15:45:45,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 15:45:45,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074743633] [2023-05-04 15:45:45,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 15:45:45,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 15:45:45,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 15:45:53,453 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 15:45:53,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 15:45:53,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074743633] [2023-05-04 15:45:53,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074743633] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 15:45:53,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584455661] [2023-05-04 15:45:53,454 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 15:45:53,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 15:45:53,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 15:45:53,457 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 15:45:53,481 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 15:45:53,683 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2023-05-04 15:45:53,683 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 15:45:53,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 47 conjunts are in the unsatisfiable core [2023-05-04 15:45:53,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 15:45:53,691 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 15:45:53,820 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-04 15:45:53,820 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 11 treesize of output 11 [2023-05-04 15:45:54,413 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 34 treesize of output 34 [2023-05-04 15:45:54,587 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 15:45:54,588 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 51 treesize of output 17 [2023-05-04 15:45:54,748 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-04 15:45:54,748 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 15:45:54,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [584455661] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 15:45:54,748 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-04 15:45:54,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [40] total 55 [2023-05-04 15:45:54,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560623368] [2023-05-04 15:45:54,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 15:45:54,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-04 15:45:54,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 15:45:54,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-04 15:45:54,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=2822, Unknown=0, NotChecked=0, Total=2970 [2023-05-04 15:45:54,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:45:54,751 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 15:45:54,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 6.368421052631579) internal successors, (121), 19 states have internal predecessors, (121), 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 15:45:54,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:45:54,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 15:45:54,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 15:45:54,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 15:45:54,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-04 15:45:54,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 15:45:54,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:45:55,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:45:55,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 15:45:55,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 15:45:55,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 15:45:55,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-04 15:45:55,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 15:45:55,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 15:45:55,480 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 15:45:55,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 15:45:55,669 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 15:45:55,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 15:45:55,669 INFO L85 PathProgramCache]: Analyzing trace with hash 810438233, now seen corresponding path program 1 times [2023-05-04 15:45:55,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 15:45:55,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445208220] [2023-05-04 15:45:55,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 15:45:55,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 15:45:55,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 15:45:55,826 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-04 15:45:55,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 15:45:55,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445208220] [2023-05-04 15:45:55,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445208220] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 15:45:55,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1988999664] [2023-05-04 15:45:55,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 15:45:55,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 15:45:55,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 15:45:55,831 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 15:45:55,852 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 15:45:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 15:45:55,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 6 conjunts are in the unsatisfiable core [2023-05-04 15:45:55,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 15:45:55,978 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-04 15:45:55,978 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 15:45:56,013 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-04 15:45:56,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1988999664] provided 1 perfect and 1 imperfect interpolant sequences [2023-05-04 15:45:56,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-05-04 15:45:56,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 5] total 7 [2023-05-04 15:45:56,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10518884] [2023-05-04 15:45:56,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 15:45:56,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 15:45:56,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 15:45:56,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 15:45:56,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-05-04 15:45:56,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:45:56,015 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 15:45:56,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 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 15:45:56,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:45:56,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 15:45:56,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 15:45:56,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 15:45:56,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-04 15:45:56,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 15:45:56,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 15:45:56,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:45:56,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:45:56,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 15:45:56,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 15:45:56,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 15:45:56,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-04 15:45:56,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 15:45:56,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 15:45:56,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 15:45:56,107 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 15:45:56,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 15:45:56,306 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 15:45:56,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 15:45:56,307 INFO L85 PathProgramCache]: Analyzing trace with hash 2130218110, now seen corresponding path program 1 times [2023-05-04 15:45:56,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 15:45:56,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285474970] [2023-05-04 15:45:56,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 15:45:56,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 15:45:56,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 15:45:56,642 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 11 proven. 8 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-04 15:45:56,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 15:45:56,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285474970] [2023-05-04 15:45:56,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285474970] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 15:45:56,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1325170346] [2023-05-04 15:45:56,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 15:45:56,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 15:45:56,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 15:45:56,645 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 15:45:56,646 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 15:45:56,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 15:45:56,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 7 conjunts are in the unsatisfiable core [2023-05-04 15:45:56,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 15:45:56,862 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-05-04 15:45:56,863 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 15:45:56,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1325170346] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 15:45:56,863 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-04 15:45:56,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [11] total 13 [2023-05-04 15:45:56,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260383153] [2023-05-04 15:45:56,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 15:45:56,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 15:45:56,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 15:45:56,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 15:45:56,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-05-04 15:45:56,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:45:56,864 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 15:45:56,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 15:45:56,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:45:56,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 15:45:56,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 15:45:56,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 15:45:56,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-04 15:45:56,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 15:45:56,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 15:45:56,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 15:45:56,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:45:56,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:45:56,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 15:45:56,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 15:45:56,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 15:45:56,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-04 15:45:56,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 15:45:56,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 15:45:56,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 15:45:56,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 15:45:56,983 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 15:45:57,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 15:45:57,181 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 15:45:57,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 15:45:57,181 INFO L85 PathProgramCache]: Analyzing trace with hash -544345077, now seen corresponding path program 2 times [2023-05-04 15:45:57,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 15:45:57,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484519304] [2023-05-04 15:45:57,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 15:45:57,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 15:45:57,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 15:45:57,450 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-04 15:45:57,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 15:45:57,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484519304] [2023-05-04 15:45:57,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484519304] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 15:45:57,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526422552] [2023-05-04 15:45:57,451 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 15:45:57,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 15:45:57,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 15:45:57,452 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 15:45:57,472 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 15:45:57,583 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 15:45:57,583 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 15:45:57,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-04 15:45:57,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 15:45:57,691 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-04 15:45:57,691 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 15:45:57,818 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-04 15:45:57,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [526422552] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 15:45:57,819 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 15:45:57,819 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2023-05-04 15:45:57,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764521348] [2023-05-04 15:45:57,819 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 15:45:57,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-05-04 15:45:57,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 15:45:57,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-05-04 15:45:57,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2023-05-04 15:45:57,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:45:57,820 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 15:45:57,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.8125) internal successors, (173), 16 states have internal predecessors, (173), 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 15:45:57,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:45:57,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 15:45:57,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 15:45:57,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 15:45:57,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-04 15:45:57,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 15:45:57,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 15:45:57,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 15:45:57,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 15:45:57,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:45:58,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:45:58,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 15:45:58,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 15:45:58,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 15:45:58,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-04 15:45:58,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 15:45:58,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 15:45:58,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 15:45:58,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 15:45:58,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 15:45:58,217 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 15:45:58,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-05-04 15:45:58,393 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 15:45:58,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 15:45:58,393 INFO L85 PathProgramCache]: Analyzing trace with hash -926769030, now seen corresponding path program 3 times [2023-05-04 15:45:58,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 15:45:58,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240088220] [2023-05-04 15:45:58,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 15:45:58,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 15:45:58,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 15:46:02,304 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 15:46:02,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 15:46:02,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240088220] [2023-05-04 15:46:02,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240088220] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 15:46:02,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [717469124] [2023-05-04 15:46:02,305 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 15:46:02,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 15:46:02,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 15:46:02,307 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 15:46:02,308 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 15:46:02,537 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-05-04 15:46:02,538 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 15:46:02,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 51 conjunts are in the unsatisfiable core [2023-05-04 15:46:02,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 15:46:02,545 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 15:46:02,669 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-04 15:46:02,670 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 11 treesize of output 11 [2023-05-04 15:46:03,306 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 22 treesize of output 24 [2023-05-04 15:46:03,502 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 15:46:03,502 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 48 treesize of output 14 [2023-05-04 15:46:03,658 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-04 15:46:03,659 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 15:46:04,031 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_368 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_368) c_~queue~0.base))) (or (let ((.cse1 (* c_~start~0 4))) (= (mod (select .cse0 (+ .cse1 c_~queue~0.offset)) 4294967296) (mod (select .cse0 (+ .cse1 c_~queue~0.offset 4)) 4294967296))) (not (= (mod (select .cse0 (+ (* c_~end~0 4) c_~queue~0.offset)) 4294967296) (mod |c_thread2Thread1of1ForFork0_~x~1#1| 4294967296)))))) is different from false [2023-05-04 15:46:04,228 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 15:46:04,229 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 116 treesize of output 134 [2023-05-04 15:46:04,251 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 15:46:04,252 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 62 treesize of output 68 [2023-05-04 15:46:05,039 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-04 15:46:05,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [717469124] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 15:46:05,040 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 15:46:05,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 23, 21] total 64 [2023-05-04 15:46:05,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871867424] [2023-05-04 15:46:05,040 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 15:46:05,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2023-05-04 15:46:05,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 15:46:05,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2023-05-04 15:46:05,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=3705, Unknown=11, NotChecked=122, Total=4032 [2023-05-04 15:46:05,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:46:05,043 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 15:46:05,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 5.140625) internal successors, (329), 64 states have internal predecessors, (329), 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 15:46:05,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:46:05,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 15:46:05,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 15:46:05,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 15:46:05,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-04 15:46:05,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 15:46:05,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 15:46:05,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 15:46:05,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 15:46:05,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 15:46:05,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:46:10,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:46:10,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 15:46:10,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 15:46:10,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 15:46:10,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-04 15:46:10,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 15:46:10,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 15:46:10,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 15:46:10,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 15:46:10,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 15:46:10,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-04 15:46:10,121 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 15:46:10,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 15:46:10,306 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 15:46:10,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 15:46:10,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1834304178, now seen corresponding path program 4 times [2023-05-04 15:46:10,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 15:46:10,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202089545] [2023-05-04 15:46:10,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 15:46:10,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 15:46:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 15:46:16,605 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 15:46:16,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 15:46:16,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202089545] [2023-05-04 15:46:16,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202089545] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 15:46:16,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050226076] [2023-05-04 15:46:16,606 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 15:46:16,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 15:46:16,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 15:46:16,607 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 15:46:16,609 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 15:46:16,715 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 15:46:16,716 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 15:46:16,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 53 conjunts are in the unsatisfiable core [2023-05-04 15:46:16,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 15:46:17,447 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 15:46:17,447 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 48 treesize of output 14 [2023-05-04 15:46:17,611 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 15:46:17,612 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 15:46:17,991 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 15:46:17,991 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 58 treesize of output 76 [2023-05-04 15:46:18,904 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-05-04 15:46:18,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2050226076] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 15:46:18,904 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 15:46:18,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 21, 14] total 63 [2023-05-04 15:46:18,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389412349] [2023-05-04 15:46:18,905 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 15:46:18,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2023-05-04 15:46:18,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 15:46:18,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2023-05-04 15:46:18,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=3696, Unknown=0, NotChecked=0, Total=3906 [2023-05-04 15:46:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:46:18,907 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 15:46:18,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 5.253968253968254) internal successors, (331), 63 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 15:46:18,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:46:18,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 15:46:18,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 15:46:18,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 15:46:18,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-04 15:46:18,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 15:46:18,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 15:46:18,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 15:46:18,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 15:46:18,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 15:46:18,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-04 15:46:18,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:46:23,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:46:23,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 15:46:23,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 15:46:23,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 15:46:23,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-04 15:46:23,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 15:46:23,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 15:46:23,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 15:46:23,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 15:46:23,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-04 15:46:23,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-04 15:46:23,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-04 15:46:23,221 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-05-04 15:46:23,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-05-04 15:46:23,414 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 15:46:23,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 15:46:23,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1242732779, now seen corresponding path program 5 times [2023-05-04 15:46:23,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 15:46:23,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095680491] [2023-05-04 15:46:23,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 15:46:23,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 15:46:23,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 15:46:23,671 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-05-04 15:46:23,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 15:46:23,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095680491] [2023-05-04 15:46:23,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095680491] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 15:46:23,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1182154247] [2023-05-04 15:46:23,671 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 15:46:23,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 15:46:23,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 15:46:23,673 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 15:46:23,698 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 15:46:23,859 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2023-05-04 15:46:23,859 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 15:46:23,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-04 15:46:23,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 15:46:23,940 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-05-04 15:46:23,941 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 15:46:24,047 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-05-04 15:46:24,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1182154247] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 15:46:24,047 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 15:46:24,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2023-05-04 15:46:24,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004232778] [2023-05-04 15:46:24,048 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 15:46:24,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-05-04 15:46:24,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 15:46:24,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-05-04 15:46:24,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2023-05-04 15:46:24,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:46:24,049 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 15:46:24,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 11.0625) internal successors, (177), 16 states have internal predecessors, (177), 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 15:46:24,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:46:24,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 15:46:24,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 15:46:24,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 15:46:24,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-04 15:46:24,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 15:46:24,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 15:46:24,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 15:46:24,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 15:46:24,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-04 15:46:24,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-04 15:46:24,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-04 15:46:24,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:46:24,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:46:24,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 15:46:24,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 15:46:24,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 15:46:24,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-04 15:46:24,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 15:46:24,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 15:46:24,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 15:46:24,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 15:46:24,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-04 15:46:24,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-04 15:46:24,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-04 15:46:24,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-04 15:46:24,581 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 15:46:24,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-05-04 15:46:24,773 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 15:46:24,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 15:46:24,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1082107238, now seen corresponding path program 6 times [2023-05-04 15:46:24,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 15:46:24,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734127729] [2023-05-04 15:46:24,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 15:46:24,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 15:46:24,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 15:46:29,014 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 15:46:29,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 15:46:29,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734127729] [2023-05-04 15:46:29,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734127729] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 15:46:29,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [301503051] [2023-05-04 15:46:29,015 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-04 15:46:29,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 15:46:29,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 15:46:29,016 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 15:46:29,017 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 15:46:29,304 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2023-05-04 15:46:29,304 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 15:46:29,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 52 conjunts are in the unsatisfiable core [2023-05-04 15:46:29,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 15:46:29,929 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 15:46:29,930 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 68 treesize of output 25 [2023-05-04 15:46:30,060 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-05-04 15:46:30,060 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 15:46:30,591 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 15:46:30,591 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 136 treesize of output 51 [2023-05-04 15:46:31,191 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-05-04 15:46:31,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [301503051] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 15:46:31,191 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 15:46:31,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 19, 15] total 61 [2023-05-04 15:46:31,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600983900] [2023-05-04 15:46:31,191 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 15:46:31,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2023-05-04 15:46:31,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 15:46:31,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2023-05-04 15:46:31,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=3439, Unknown=0, NotChecked=0, Total=3660 [2023-05-04 15:46:31,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:46:31,193 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 15:46:31,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 5.672131147540983) internal successors, (346), 61 states have internal predecessors, (346), 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 15:46:31,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:46:31,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 15:46:31,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 15:46:31,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 15:46:31,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-04 15:46:31,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 15:46:31,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 15:46:31,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 15:46:31,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 15:46:31,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-04 15:46:31,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-04 15:46:31,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-04 15:46:31,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-04 15:46:31,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:46:35,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:46:35,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 15:46:35,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 15:46:35,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 15:46:35,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-04 15:46:35,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 15:46:35,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 15:46:35,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 15:46:35,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 15:46:35,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-04 15:46:35,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-04 15:46:35,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-04 15:46:35,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-04 15:46:35,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-04 15:46:35,057 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 15:46:35,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-05-04 15:46:35,257 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 15:46:35,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 15:46:35,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1492115893, now seen corresponding path program 7 times [2023-05-04 15:46:35,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 15:46:35,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452352406] [2023-05-04 15:46:35,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 15:46:35,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 15:46:35,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 15:46:35,651 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-05-04 15:46:35,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 15:46:35,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452352406] [2023-05-04 15:46:35,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452352406] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 15:46:35,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1358687201] [2023-05-04 15:46:35,652 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-04 15:46:35,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 15:46:35,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 15:46:35,653 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 15:46:35,671 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 15:46:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 15:46:35,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 22 conjunts are in the unsatisfiable core [2023-05-04 15:46:35,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 15:46:35,939 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-05-04 15:46:35,939 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 15:47:09,523 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-05-04 15:47:09,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1358687201] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 15:47:09,524 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 15:47:09,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 25 [2023-05-04 15:47:09,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657459346] [2023-05-04 15:47:09,525 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 15:47:09,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-05-04 15:47:09,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 15:47:09,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-05-04 15:47:09,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=520, Unknown=9, NotChecked=0, Total=600 [2023-05-04 15:47:09,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:47:09,528 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 15:47:09,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 7.76) internal successors, (194), 25 states have internal predecessors, (194), 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 15:47:09,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:47:09,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 15:47:09,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 15:47:09,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 15:47:09,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-04 15:47:09,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 15:47:09,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 15:47:09,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 15:47:09,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 15:47:09,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-04 15:47:09,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-04 15:47:09,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-04 15:47:09,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-04 15:47:09,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-04 15:47:09,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:49:28,716 WARN L233 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 15:49:37,665 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (mod |c_thread1Thread1of1ForFork2_~i~0#1| 4294967296)) (.cse0 (* (div (+ |c_thread2Thread1of1ForFork0_~i~1#1| (- 4294967294)) 4294967296) 4294967296))) (and (= |c_thread2Thread1of1ForFork0_#t~post4#1| 0) (forall ((aux_mod_aux_mod_~A~0_21_77 Int)) (or (>= aux_mod_aux_mod_~A~0_21_77 4294967296) (< (+ aux_mod_aux_mod_~A~0_21_77 .cse0 4294967293) |c_thread2Thread1of1ForFork0_~i~1#1|) (< .cse1 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| (* 4294967295 aux_mod_aux_mod_~A~0_21_77) 2) 4294967296)))) (forall ((aux_div_aux_mod_~A~0_21_77 Int) (aux_mod_aux_mod_~A~0_21_77 Int)) (let ((.cse2 (* 4294967296 aux_div_aux_mod_~A~0_21_77))) (or (>= aux_mod_aux_mod_~A~0_21_77 4294967296) (<= (+ 4294967295 .cse2 aux_mod_aux_mod_~A~0_21_77) |c_thread2Thread1of1ForFork0_~i~1#1|) (<= |c_thread2Thread1of1ForFork0_~i~1#1| (+ 4294967294 .cse2)) (< .cse1 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| (* 4294967295 aux_mod_aux_mod_~A~0_21_77) 1) 4294967296))))) (<= |c_thread1Thread1of1ForFork2_~i~0#1| 2) (forall ((aux_mod_aux_mod_~A~0_21_77 Int)) (or (>= aux_mod_aux_mod_~A~0_21_77 4294967296) (< (+ aux_mod_aux_mod_~A~0_21_77 .cse0 4294967293) |c_thread2Thread1of1ForFork0_~i~1#1|) (< (mod (+ |c_thread1Thread1of1ForFork2_~i~0#1| 1) 4294967296) (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| (* 4294967295 aux_mod_aux_mod_~A~0_21_77) 2) 4294967296)))) (<= 0 (div (+ (- 2) |c_thread1Thread1of1ForFork2_~i~0#1|) 4294967296)))) is different from false [2023-05-04 15:49:39,864 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (mod |c_thread1Thread1of1ForFork2_~i~0#1| 4294967296)) (.cse0 (* (div (+ |c_thread2Thread1of1ForFork0_~i~1#1| (- 4294967294)) 4294967296) 4294967296))) (and (= |c_thread2Thread1of1ForFork0_#t~post4#1| 0) (forall ((aux_mod_aux_mod_~A~0_21_77 Int)) (or (>= aux_mod_aux_mod_~A~0_21_77 4294967296) (< (+ aux_mod_aux_mod_~A~0_21_77 .cse0 4294967293) |c_thread2Thread1of1ForFork0_~i~1#1|) (< .cse1 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| (* 4294967295 aux_mod_aux_mod_~A~0_21_77) 2) 4294967296)))) (forall ((aux_div_aux_mod_~A~0_21_77 Int) (aux_mod_aux_mod_~A~0_21_77 Int)) (let ((.cse2 (* 4294967296 aux_div_aux_mod_~A~0_21_77))) (or (>= aux_mod_aux_mod_~A~0_21_77 4294967296) (<= (+ 4294967295 .cse2 aux_mod_aux_mod_~A~0_21_77) |c_thread2Thread1of1ForFork0_~i~1#1|) (<= |c_thread2Thread1of1ForFork0_~i~1#1| (+ 4294967294 .cse2)) (< .cse1 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| (* 4294967295 aux_mod_aux_mod_~A~0_21_77) 1) 4294967296))))) (<= (mod c_~A~0 4294967296) 2) (<= |c_thread1Thread1of1ForFork2_~i~0#1| 2) (forall ((aux_mod_aux_mod_~A~0_21_77 Int)) (or (>= aux_mod_aux_mod_~A~0_21_77 4294967296) (< (+ aux_mod_aux_mod_~A~0_21_77 .cse0 4294967293) |c_thread2Thread1of1ForFork0_~i~1#1|) (< (mod (+ |c_thread1Thread1of1ForFork2_~i~0#1| 1) 4294967296) (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| (* 4294967295 aux_mod_aux_mod_~A~0_21_77) 2) 4294967296)))) (<= 0 (div (+ (- 2) |c_thread1Thread1of1ForFork2_~i~0#1|) 4294967296)) (= |c_thread2Thread1of1ForFork0_~i~1#1| 1))) is different from false [2023-05-04 15:49:41,996 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (mod |c_thread1Thread1of1ForFork2_~i~0#1| 4294967296)) (.cse0 (* (div (+ |c_thread2Thread1of1ForFork0_~i~1#1| (- 4294967294)) 4294967296) 4294967296))) (and (forall ((aux_mod_aux_mod_~A~0_21_77 Int)) (or (>= aux_mod_aux_mod_~A~0_21_77 4294967296) (< (+ aux_mod_aux_mod_~A~0_21_77 .cse0 4294967293) |c_thread2Thread1of1ForFork0_~i~1#1|) (< .cse1 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| (* 4294967295 aux_mod_aux_mod_~A~0_21_77) 2) 4294967296)))) (forall ((aux_div_aux_mod_~A~0_21_77 Int) (aux_mod_aux_mod_~A~0_21_77 Int)) (let ((.cse2 (* 4294967296 aux_div_aux_mod_~A~0_21_77))) (or (>= aux_mod_aux_mod_~A~0_21_77 4294967296) (<= (+ 4294967295 .cse2 aux_mod_aux_mod_~A~0_21_77) |c_thread2Thread1of1ForFork0_~i~1#1|) (<= |c_thread2Thread1of1ForFork0_~i~1#1| (+ 4294967294 .cse2)) (< .cse1 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| (* 4294967295 aux_mod_aux_mod_~A~0_21_77) 1) 4294967296))))) (<= (mod c_~A~0 4294967296) 2) (forall ((aux_mod_aux_mod_~A~0_21_77 Int)) (or (>= aux_mod_aux_mod_~A~0_21_77 4294967296) (< (+ aux_mod_aux_mod_~A~0_21_77 .cse0 4294967293) |c_thread2Thread1of1ForFork0_~i~1#1|) (< (mod (+ |c_thread1Thread1of1ForFork2_~i~0#1| 1) 4294967296) (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| (* 4294967295 aux_mod_aux_mod_~A~0_21_77) 2) 4294967296)))) (= |c_thread2Thread1of1ForFork0_~i~1#1| 1))) is different from false [2023-05-04 15:49:51,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:49:51,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 15:49:51,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 15:49:51,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 15:49:51,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-04 15:49:51,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 15:49:51,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 15:49:51,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 15:49:51,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 15:49:51,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-04 15:49:51,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-04 15:49:51,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-04 15:49:51,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-04 15:49:51,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-05-04 15:49:51,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-04 15:49:51,065 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 15:49:51,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-05-04 15:49:51,249 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 15:49:51,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 15:49:51,250 INFO L85 PathProgramCache]: Analyzing trace with hash 288042874, now seen corresponding path program 8 times [2023-05-04 15:49:51,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 15:49:51,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068013260] [2023-05-04 15:49:51,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 15:49:51,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 15:49:51,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 15:50:18,192 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 15:50:18,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 15:50:18,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068013260] [2023-05-04 15:50:18,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068013260] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 15:50:18,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269209076] [2023-05-04 15:50:18,193 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 15:50:18,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 15:50:18,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 15:50:18,194 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 15:50:18,195 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 15:50:18,414 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 15:50:18,414 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 15:50:18,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 43 conjunts are in the unsatisfiable core [2023-05-04 15:50:18,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 15:50:21,198 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 15:50:21,198 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 68 treesize of output 26 [2023-05-04 15:50:21,778 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-05-04 15:50:21,778 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 15:50:23,278 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 15:50:23,279 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 58 treesize of output 76 [2023-05-04 15:50:34,102 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-05-04 15:50:34,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [269209076] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 15:50:34,103 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 15:50:34,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 17, 15] total 75 [2023-05-04 15:50:34,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941622074] [2023-05-04 15:50:34,103 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 15:50:34,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2023-05-04 15:50:34,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 15:50:34,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2023-05-04 15:50:34,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=5276, Unknown=1, NotChecked=0, Total=5550 [2023-05-04 15:50:34,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:50:34,105 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 15:50:34,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 4.706666666666667) internal successors, (353), 75 states have internal predecessors, (353), 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 15:50:34,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:50:34,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 15:50:34,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 15:50:34,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 15:50:34,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-04 15:50:34,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 15:50:34,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 15:50:34,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 15:50:34,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 15:50:34,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-04 15:50:34,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-04 15:50:34,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-04 15:50:34,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-04 15:50:34,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-05-04 15:50:34,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-04 15:50:34,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:51:08,011 WARN L233 SmtUtils]: Spent 6.27s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 15:55:36,523 WARN L233 SmtUtils]: Spent 9.14s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 15:56:40,585 WARN L233 SmtUtils]: Spent 6.47s on a formula simplification that was a NOOP. DAG size: 43 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 15:58:49,663 WARN L233 SmtUtils]: Spent 6.08s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2023-05-04 15:59:11,686 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 15:59:11,698 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 15:59:11,722 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 15:59:11,722 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 15:59:11,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 15:59:11,882 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 61 known predicates. [2023-05-04 15:59:11,885 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-05-04 15:59:11,885 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-04 15:59:11,885 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-04 15:59:11,885 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-04 15:59:11,890 INFO L444 BasicCegarLoop]: Path program histogram: [8, 3, 2, 1, 1, 1] [2023-05-04 15:59:11,892 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 15:59:11,892 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 15:59:11,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 03:59:11 BasicIcfg [2023-05-04 15:59:11,895 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 15:59:11,895 INFO L158 Benchmark]: Toolchain (without parser) took 833777.00ms. Allocated memory was 199.2MB in the beginning and 792.7MB in the end (delta: 593.5MB). Free memory was 140.4MB in the beginning and 684.5MB in the end (delta: -544.1MB). Peak memory consumption was 50.0MB. Max. memory is 8.0GB. [2023-05-04 15:59:11,895 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 199.2MB. Free memory is still 157.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 15:59:11,895 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.82ms. Allocated memory is still 199.2MB. Free memory was 140.2MB in the beginning and 167.8MB in the end (delta: -27.7MB). Peak memory consumption was 12.2MB. Max. memory is 8.0GB. [2023-05-04 15:59:11,896 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.84ms. Allocated memory is still 199.2MB. Free memory was 167.8MB in the beginning and 165.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 15:59:11,896 INFO L158 Benchmark]: Boogie Preprocessor took 21.93ms. Allocated memory is still 199.2MB. Free memory was 165.7MB in the beginning and 164.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-04 15:59:11,896 INFO L158 Benchmark]: RCFGBuilder took 530.27ms. Allocated memory is still 199.2MB. Free memory was 163.9MB in the beginning and 137.4MB in the end (delta: 26.5MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2023-05-04 15:59:11,896 INFO L158 Benchmark]: TraceAbstraction took 832947.25ms. Allocated memory was 199.2MB in the beginning and 792.7MB in the end (delta: 593.5MB). Free memory was 136.1MB in the beginning and 684.5MB in the end (delta: -548.4MB). Peak memory consumption was 46.2MB. Max. memory is 8.0GB. [2023-05-04 15:59:11,901 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 199.2MB. Free memory is still 157.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 232.82ms. Allocated memory is still 199.2MB. Free memory was 140.2MB in the beginning and 167.8MB in the end (delta: -27.7MB). Peak memory consumption was 12.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.84ms. Allocated memory is still 199.2MB. Free memory was 167.8MB in the beginning and 165.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.93ms. Allocated memory is still 199.2MB. Free memory was 165.7MB in the beginning and 164.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 530.27ms. Allocated memory is still 199.2MB. Free memory was 163.9MB in the beginning and 137.4MB in the end (delta: 26.5MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * TraceAbstraction took 832947.25ms. Allocated memory was 199.2MB in the beginning and 792.7MB in the end (delta: 593.5MB). Free memory was 136.1MB in the beginning and 684.5MB in the end (delta: -548.4MB). Peak memory consumption was 46.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 18118, independent: 16705, independent conditional: 14361, independent unconditional: 2344, dependent: 1413, dependent conditional: 1388, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16784, independent: 16705, independent conditional: 14361, independent unconditional: 2344, dependent: 79, dependent conditional: 54, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 16784, independent: 16705, independent conditional: 14361, independent unconditional: 2344, dependent: 79, dependent conditional: 54, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18525, independent: 16705, independent conditional: 435, independent unconditional: 16270, dependent: 1820, dependent conditional: 1306, dependent unconditional: 514, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 18525, independent: 16705, independent conditional: 435, independent unconditional: 16270, dependent: 1820, dependent conditional: 633, dependent unconditional: 1187, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 18525, independent: 16705, independent conditional: 435, independent unconditional: 16270, dependent: 1820, dependent conditional: 633, dependent unconditional: 1187, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2229, independent: 2134, independent conditional: 55, independent unconditional: 2079, dependent: 95, dependent conditional: 70, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2229, independent: 2077, independent conditional: 0, independent unconditional: 2077, dependent: 152, dependent conditional: 0, dependent unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 152, independent: 57, independent conditional: 55, independent unconditional: 2, dependent: 95, dependent conditional: 70, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 152, independent: 57, independent conditional: 55, independent unconditional: 2, dependent: 95, dependent conditional: 70, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 569, independent: 216, independent conditional: 181, independent unconditional: 35, dependent: 353, dependent conditional: 241, dependent unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 18525, independent: 14571, independent conditional: 380, independent unconditional: 14191, dependent: 1725, dependent conditional: 563, dependent unconditional: 1162, unknown: 2229, unknown conditional: 125, unknown unconditional: 2104] , Statistics on independence cache: Total cache size (in pairs): 2229, Positive cache size: 2134, Positive conditional cache size: 55, Positive unconditional cache size: 2079, Negative cache size: 95, Negative conditional cache size: 70, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 673, Maximal queried relation: 14, Independence queries for same thread: 1334 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 937, Number of trivial persistent sets: 793, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2369, independent: 2344, independent conditional: 0, independent unconditional: 2344, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 18118, independent: 16705, independent conditional: 14361, independent unconditional: 2344, dependent: 1413, dependent conditional: 1388, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16784, independent: 16705, independent conditional: 14361, independent unconditional: 2344, dependent: 79, dependent conditional: 54, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 16784, independent: 16705, independent conditional: 14361, independent unconditional: 2344, dependent: 79, dependent conditional: 54, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18525, independent: 16705, independent conditional: 435, independent unconditional: 16270, dependent: 1820, dependent conditional: 1306, dependent unconditional: 514, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 18525, independent: 16705, independent conditional: 435, independent unconditional: 16270, dependent: 1820, dependent conditional: 633, dependent unconditional: 1187, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 18525, independent: 16705, independent conditional: 435, independent unconditional: 16270, dependent: 1820, dependent conditional: 633, dependent unconditional: 1187, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2229, independent: 2134, independent conditional: 55, independent unconditional: 2079, dependent: 95, dependent conditional: 70, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2229, independent: 2077, independent conditional: 0, independent unconditional: 2077, dependent: 152, dependent conditional: 0, dependent unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 152, independent: 57, independent conditional: 55, independent unconditional: 2, dependent: 95, dependent conditional: 70, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 152, independent: 57, independent conditional: 55, independent unconditional: 2, dependent: 95, dependent conditional: 70, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 569, independent: 216, independent conditional: 181, independent unconditional: 35, dependent: 353, dependent conditional: 241, dependent unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 18525, independent: 14571, independent conditional: 380, independent unconditional: 14191, dependent: 1725, dependent conditional: 563, dependent unconditional: 1162, unknown: 2229, unknown conditional: 125, unknown unconditional: 2104] , Statistics on independence cache: Total cache size (in pairs): 2229, Positive cache size: 2134, Positive conditional cache size: 55, Positive unconditional cache size: 2079, Negative cache size: 95, Negative conditional cache size: 70, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 673, Maximal queried relation: 14, Independence queries for same thread: 1334 - TimeoutResultAtElement [Line: 110]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 61 known predicates. - TimeoutResultAtElement [Line: 102]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 61 known predicates. - TimeoutResultAtElement [Line: 103]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 61 known predicates. - TimeoutResultAtElement [Line: 104]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 61 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 180 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 832.8s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 8, EmptinessCheckTime: 698.8s, 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: 398, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 127.6s InterpolantComputationTime, 4305 NumberOfCodeBlocks, 4242 NumberOfCodeBlocksAsserted, 42 NumberOfCheckSat, 5793 ConstructedInterpolants, 110 QuantifiedInterpolants, 94654 SizeOfPredicates, 224 NumberOfNonLiveVariables, 4512 ConjunctsInSsa, 428 ConjunctsInUnsatCore, 39 InterpolantComputations, 7 PerfectInterpolantSequences, 1262/1805 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